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taetrolens</title> <meta name="description" content="Search results for: Pseudomonas taetrolens"> <meta name="keywords" content="Pseudomonas taetrolens"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Pseudomonas taetrolens"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 321</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Pseudomonas taetrolens</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">321</span> Effect of Different Salts on Pseudomonas taetrolens’ Ability to Lactobionic Acid Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Sarenkova">I. Sarenkova</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Ciprovica"> I. Ciprovica</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Cinkmanis"> I. Cinkmanis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lactobionic acid is a disaccharide formed from gluconic acid and galactose, and produced by oxidation of lactose. Productivity of lactobionic acid by microbial synthesis can be affected by various factors, and one of them is a presence of potassium, magnesium and manganese ions. In order to extend lactobionic acid production efficiency, it is necessary to increase the yield of lactobionic acid by optimising the fermentation conditions and available substrates for <em>Pseudomonas taetrolens</em> growth. The object of the research was to determinate the application of K<sub>2</sub>HPO<sub>4</sub>, MnSO<sub>4</sub>, MgSO<sub>4</sub> × 7H<sub>2</sub>O salts in different concentration for effective lactose oxidation to lactobionic acid by <em>Pseudomonas taetrolens</em>. <em>Pseudomonas taetrolens</em> NCIB 9396 (NCTC, England) and <em>Pseudomonas taetrolens</em> DSM 21104 (DSMZ, Germany) were used for the study. The acid whey was used as the study object. The content of lactose in whey samples was determined using MilcoScan<sup>TM</sup> Mars (Foss, Denmark) and high performance liquid chromatography (Shimadzu LC 20 Prominence, Japan). The content of lactobionic acid in whey samples was determined using the high performance liquid chromatography. The impact of studied salts differs, Mn<sup>2+</sup> and Mg<sup>2+</sup> ions enhanced fermentation instead of K<sup>+</sup> ions. Results approved that Mn<sup>2+</sup> and Mg<sup>2+ </sup>ions are necessary for <em>Pseudomonas taetrolens</em> growth. The study results will help to improve the effectiveness of lactobionic acid production with <em>Pseudomonas taetrolens</em> NCIB 9396 and DSM 21104. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lactobionic%20acid" title="lactobionic acid">lactobionic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=lactose%20oxidation" title=" lactose oxidation"> lactose oxidation</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens" title=" Pseudomonas taetrolens"> Pseudomonas taetrolens</a>, <a href="https://publications.waset.org/abstracts/search?q=whey" title=" whey"> whey</a> </p> <a href="https://publications.waset.org/abstracts/103914/effect-of-different-salts-on-pseudomonas-taetrolens-ability-to-lactobionic-acid-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/103914.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">157</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">320</span> Genome Analyses of Pseudomonas Fluorescens b29b from Coastal Kerala</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wael%20Ali%20Mohammed%20Hadi">Wael Ali Mohammed Hadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pseudomonas fluorescens B29B, which has asparaginase enzymatic activity, was isolated from the surface coastal seawater of Trivandrum, India. We report the complete Pseudomonas fluorescens B29B genome sequenced, identified, and annotated from a marine source. We find the genome at most minuscule a 7,331,508 bp single circular chromosome with a GC content of 62.19% and 6883 protein-coding genes. Three hundred forty subsystems were identified, including two predicted asparaginases from the genome analysis of P. fluorescens B29B for further investigation. This genome data will help further industrial biotechnology applications of proteins in general and asparaginase as a target. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title="pseudomonas">pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=marine" title=" marine"> marine</a>, <a href="https://publications.waset.org/abstracts/search?q=asparaginases" title=" asparaginases"> asparaginases</a>, <a href="https://publications.waset.org/abstracts/search?q=Kerala" title=" Kerala"> Kerala</a>, <a href="https://publications.waset.org/abstracts/search?q=whole-genome" title=" whole-genome"> whole-genome</a> </p> <a href="https://publications.waset.org/abstracts/139283/genome-analyses-of-pseudomonas-fluorescens-b29b-from-coastal-kerala" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139283.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">215</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">319</span> Optimization Studies on Biosorption of Ni(II) and Cd(II) from Wastewater Using Pseudomonas putida in a Packed Bed Bioreactor </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.Narasimhulu">K.Narasimhulu</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Pydi%20Setty">Y. Pydi Setty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this present study is the optimization of process parameters in biosorption of Ni(II) and Cd(II) ions by Pseudomonas putida using Response Surface Methodology in a Packed bed bioreactor. The experimental data were also tested with theoretical models to find the best fit model. The present paper elucidates RSM as an efficient approach for predictive model building and optimization of Ni(II) and Cd(II) ions using Pseudomonas putida. In packed bed biosorption studies, comparison of the breakthrough curves of Ni(II) and Cd(II) for Agar immobilized and PAA immobilized Pseudomonas putida at optimum conditions of flow rate of 300 mL/h, initial metal ion concentration of 100 mg/L and bed height of 20 cm with weight of biosorbent of 12 g, it was found that the Agar immobilized Pseudomonas putida showed maximum percent biosorption and bed saturation occurred at 20 minutes. Optimization results of Ni(II) and Cd(II) by Pseudomonas putida from the Design Expert software were obtained as bed height of 19.93 cm, initial metal ion concentration of 103.85 mg/L, and flow rate of 310.57 mL/h. The percent biosorption of Ni(II) and Cd(II) is 87.2% and 88.2% respectively. The predicted optimized parameters are in agreement with the experimental results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=packed%20bed%20bioreactor" title="packed bed bioreactor">packed bed bioreactor</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20surface%20mthodology" title=" response surface mthodology"> response surface mthodology</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudomonas%20putida" title=" pseudomonas putida"> pseudomonas putida</a>, <a href="https://publications.waset.org/abstracts/search?q=biosorption" title=" biosorption"> biosorption</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20water" title=" waste water"> waste water</a> </p> <a href="https://publications.waset.org/abstracts/16551/optimization-studies-on-biosorption-of-niii-and-cdii-from-wastewater-using-pseudomonas-putida-in-a-packed-bed-bioreactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16551.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">452</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">318</span> Decoloriation of Rhodamine-B Dye by Pseudomonas putida on Activated Carbon</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=U.%20K.%20Ghosh">U. K. Ghosh</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Ullhyan"> A. Ullhyan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Activated carbon prepared from mustard stalk was applied to decolorize Rhodamine-B dye bearing synthetic wastewater by simple adsorption and simultaneous adsorption and biodegradation (SAB) using Pseudomonas putida MTCC 1194. Results showed that percentage of Rhodamine-B dye removal was 82% for adsorption and 99.3% for SAB at pH 6.5, adsorbent dose 10 g/L and temperature 32ºC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=activated%20carbon" title="activated carbon">activated carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=mustard%20stalk" title=" mustard stalk"> mustard stalk</a>, <a href="https://publications.waset.org/abstracts/search?q=Rhodamine-B" title=" Rhodamine-B"> Rhodamine-B</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=SAB" title=" SAB"> SAB</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20putida" title=" Pseudomonas putida"> Pseudomonas putida</a> </p> <a href="https://publications.waset.org/abstracts/25637/decoloriation-of-rhodamine-b-dye-by-pseudomonas-putida-on-activated-carbon" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25637.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">360</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">317</span> Antibiotic Susceptibility Profile and Horizontal Gene Transfer in Pseudomonas sp. Isolated from Clinical Specimens</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sadaf%20Ilyas">Sadaf Ilyas</a>, <a href="https://publications.waset.org/abstracts/search?q=Saba%20Riaz"> Saba Riaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The extensive use of antibiotics has led to increases emergence of antibiotic-resistant organisms. Pseudomonas is a notorious opportunistic pathogen involoved in nosocomial infections and exhibit innate resistance to many antibiotics. The present study was conducted to assess the prevalence, levels of antimicrobial susceptibility and resistance mechanisms of Pseudomonas. A total of thirty clinical strains of Pseudomonas were isolated from different clinical sites of infection. All clinical specimens were collected from Chughtais Lahore Lab. Jail road, during 8-07-2010 to 11-01-2011. Biochemical characterization was done using routine biochemical tests. Antimicrobial susceptibility was determined by Kirby-Baeur method. The plasmids were isolated from all the strains and digested with restriction enzyme PstI and EcoRI. Transfer of Multi-resistance plasmid was checked via transformation and conjugation to confirm the plasmid mediated resistance to antibiotics. The prevalence of Pseudomonas in clinical specimens was found out to be 14% of all bacterial infections. IPM has shown to be the most effective drug against Pseudomonas followed by CES, PTB and meropenem, wheareas most of the Pseudomonas strains have developed significant resistance against Penicillins and some Cephalasporins. Antibiotic resistance determinants were carried by plasmids, as they conferred resistance to transformed K1 strains. The isolates readily undergo conjugation, transferring the resistant genes to other strains, illustrating the high rates of cross infection and nosocomial infection in the immunocompromised patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title="pseudomonas">pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=antibiotics" title=" antibiotics"> antibiotics</a>, <a href="https://publications.waset.org/abstracts/search?q=drug%20resistance" title=" drug resistance"> drug resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=horizontal%20gene%20transfer" title=" horizontal gene transfer"> horizontal gene transfer</a> </p> <a href="https://publications.waset.org/abstracts/43006/antibiotic-susceptibility-profile-and-horizontal-gene-transfer-in-pseudomonas-sp-isolated-from-clinical-specimens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43006.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">345</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">316</span> Enzyme Producing Psyhrophilic Pseudomonas app. Isolated from Poultry Meats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20Aydin">Ali Aydin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mert%20Sudagidan"> Mert Sudagidan</a>, <a href="https://publications.waset.org/abstracts/search?q=Aysen%20Coban"> Aysen Coban</a>, <a href="https://publications.waset.org/abstracts/search?q=Alparslan%20Kadir%20Devrim"> Alparslan Kadir Devrim </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pseudomonas spp. (specifically, P. fluorescens and P. fragi) are considered the principal spoilage microorganisms of refrigerated poultry meats. The higher the level psychrophilic spoilage Pseudomonas spp. on carcasses at the end of processing lead to decrease the shelf life of the refrigerated product. The aim of the study was the identification of psychrophilic Pseudomonas spp. having proteolytic and lipolytic activities from poultry meats by 16S rRNA and rpoB gene sequencing, investigation of protease and lipase related genes and determination of proteolytic activity of Pseudomonas spp. In the of isolation procedure, collected chicken meat samples from local markets and slaughterhouses were homogenized and the lysates were incubated on Standard method agar and Skim Milk agar for selection of proteolytic bacteria and tributyrin agar for selection of lipolytic bacteria at +4 °C for 7 days. After detection of proteolytic and lipolytic colonies, the isolates were firstly analyzed by biochemical tests such as Gram staining, catalase and oxidase tests. DNA gene sequencing analysis and comparison with GenBank revealed that 126 strong enzyme Pseudomonas spp. were identified as predominantly P. fluorescens (n=55), P. fragi (n=42), Pseudomonas spp. (n=24), P. cedrina (n=2), P. poae (n=1), P. koreensis (n=1), and P. gessardi (n=1). Additionally, protease related aprX gene was screened in the strains and it was detected in 69/126 strains, whereas, lipase related lipA gene was found in 9 Pseudomonas strains. Protease activity was determined using commercially available protease assay kit and 5 strains showed high protease activity. The results showed that psychrophilic Pseudomonas strains were present in chicken meat samples and they can produce important levels of proteases and lipases for food spoilage to decrease food quality and safety. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas" title="Pseudomonas">Pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=chicken%20meat" title=" chicken meat"> chicken meat</a>, <a href="https://publications.waset.org/abstracts/search?q=protease" title=" protease"> protease</a>, <a href="https://publications.waset.org/abstracts/search?q=lipase" title=" lipase"> lipase</a> </p> <a href="https://publications.waset.org/abstracts/31581/enzyme-producing-psyhrophilic-pseudomonas-app-isolated-from-poultry-meats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31581.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">387</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">315</span> Production of Biosurfactant by Pseudomonas luteola on a Reject from the Production of Anti-scorpion Serum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Radia%20Chemlal">Radia Chemlal</a>, <a href="https://publications.waset.org/abstracts/search?q=Youcef%20Hamidi"> Youcef Hamidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nabil%20Mameri"> Nabil Mameri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study deals with the production of biosurfactant by the Pseudomonas luteola strain on three different culture media (semi-synthetic medium M1, whey, and pharmaceutical reject) in the presence of gasoil. The monitoring of bacterial growth by measuring the optical density at 600 nm by spectrophotometer and the surface tension clearly showed the ability of Pseudomonas luteola to produce biosurfactants at various conditions of the culture medium. The biosurfactant produced in the pharmaceutical reject medium generated a decrease in the surface tension with a percentage of 19.4% greater than the percentage obtained when using whey which is 7.0%. The pharmaceutical rejection is diluted at various percentages ranging from 5% to 100% in order to study the effect of the concentration on the biosurfactant production. The best result inducing the great reduction of the surface tension value is obtained at the dilution of 30% with the pharmaceutical reject. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biosurfactant" title="biosurfactant">biosurfactant</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudomonas%20luteola" title=" pseudomonas luteola"> pseudomonas luteola</a>, <a href="https://publications.waset.org/abstracts/search?q=whey" title=" whey"> whey</a>, <a href="https://publications.waset.org/abstracts/search?q=antiscorpionic%20serum" title=" antiscorpionic serum"> antiscorpionic serum</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20oil" title=" gas oil"> gas oil</a> </p> <a href="https://publications.waset.org/abstracts/159333/production-of-biosurfactant-by-pseudomonas-luteola-on-a-reject-from-the-production-of-anti-scorpion-serum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159333.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">314</span> Chitin Degradation in Pseudomonas fluorescens</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Azhar%20Alhasawi">Azhar Alhasawi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vasu%20D.%20Appanna"> Vasu D. Appanna</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chitin, the second most abundant bio-polymer in nature after cellulose, composed of β (1→4) linked N-acetylglucosamine (GlcNAc), is a major structural component in the cell walls of fungi and the shells of crustaceans. Chitin and its derivatives are gaining importance of economic value due to its biological activity and its industrial and biomedical applications. There are several methods to hydrolyze chitin to NAG, but they are typically expensive and environmentally unfriendly. Chitinase which catalyzes the breakdown of chitin to NAG has received much attention owing to its various applications in biotechnology. The presented research examines the ability of the versatile soil microbe, Pseudomonas fluorescens grown in chitin medium to produce chitinase and a variety of value-added products under abiotic stress. We have found that with high pH, Pseudomonas fluorescens enable to metabolize chitin more than with neutral pH and the overexpression of chitinase was also increased. P-dimethylaminobenzaldehyde (DMAB) assay for NAG production will be monitored and a combination of sodium dodecyl polyacrylamide gels will be used to monitor the proteomic and metabolomic changes as a result of the abiotic stress. The bioreactor of chitinase will also be utilized. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20fluorescens" title="Pseudomonas fluorescens">Pseudomonas fluorescens</a>, <a href="https://publications.waset.org/abstracts/search?q=chitin" title=" chitin"> chitin</a>, <a href="https://publications.waset.org/abstracts/search?q=DMAB" title=" DMAB"> DMAB</a>, <a href="https://publications.waset.org/abstracts/search?q=chitinase" title=" chitinase"> chitinase</a> </p> <a href="https://publications.waset.org/abstracts/6211/chitin-degradation-in-pseudomonas-fluorescens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6211.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">354</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">313</span> Biological Treatment of Tannery Wastewater Using Pseudomonas Strains</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Benhadji">A. Benhadji</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Maachi"> R. Maachi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Environmental protection has become a major economic development issues. Indeed, the environment has become both market growth factor and element of competition. It is now an integral part of all industrial strategies. Ecosystem protection is based on the reduction of the pollution load in the treatment of liquid waste. The physicochemical techniques are commonly used which a transfer of pollution is generally found. Alternative to physicochemical methods is the use of microorganisms for cleaning up the waste waters. The objective of this research is the evaluation of the effects of exogenous added Pseudomonas strains on pollutants biodegradation. The influence of the critical parameters such as inoculums concentration and duration treatment are studied. The results show that Pseudomonas putida is found to give a maximum reduction in chemical organic demand (COD) in 4 days of incubation. However, toward to protect biological pollution of environment, the treatment is achieved by electro coagulation process using aluminium electrodes. The results indicate that this process allows disinfecting the water and improving the electro coagulated sludge quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tannery" title="tannery">tannery</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title=" pseudomonas"> pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20treatment" title=" biological treatment"> biological treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=electrocoagulation%20process" title=" electrocoagulation process"> electrocoagulation process</a>, <a href="https://publications.waset.org/abstracts/search?q=sludge%20quality" title=" sludge quality"> sludge quality</a> </p> <a href="https://publications.waset.org/abstracts/26978/biological-treatment-of-tannery-wastewater-using-pseudomonas-strains" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26978.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">369</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">312</span> Functional Diversity of Pseudomonas: Role in Stimulation of Bean Germination and Common Blight Biocontrol</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Slimane%20Mokrani">Slimane Mokrani</a>, <a href="https://publications.waset.org/abstracts/search?q=Nabti%20El%20hafid"> Nabti El hafid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Description of the subject: Currently, several efforts focus on the study of biodiversity, microbial biotechnology, and the use of ecological strategies. Objectives: The aim of this present work is to determine the functional diversity of bacteria in rhizospheric and non-rhizospheric soils of different plants. Methods: Bacteria were isolated from soil and identified based on physiological and biochemical characters and genotypic taxonomy performed by 16S rDNA and BOX-PCR. As well as the characterization of various PGPR traits. Then, they are tested for their effects on the stimulation of seed germination and the growth of Phaseolus vulgaris L. As well as their biological control activities with regard to the phytopathogenic bacterial isolate Xapf. Results and Discussion: The biochemical and physiological identification of 75 bacterial isolates made it possible to associate them with the two groups of fluorescent Pseudomonas (74.67%) and non-fluorescent Pseudomonas (25.33%). The identification by 16S rDNA of 27 strains made it possible to attribute the majority of the strains to the genus Pseudomonas (81.48%), Serratia (7.41%) and Bacillus (11.11%). The bacterial strains showed a high capacity to produce IAA, siderophores, HCN and to solubilize phosphate. A significant stimulation of germination and growth was observed by applying the Pseudomonas strains. Furthermore, significant reductions in the severity and intensity of the disease caused caused by Xapf were observed. Conclusion: The bacteria described in this present study endowed with different PGPR activities seem to be very promising for their uses as biological control agents and bio-fertilization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biofertilization" title="biofertilization">biofertilization</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20control" title=" biological control"> biological control</a>, <a href="https://publications.waset.org/abstracts/search?q=phaseolus%20vulgaris%20L" title=" phaseolus vulgaris L"> phaseolus vulgaris L</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title=" pseudomonas"> pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=Xanthomonas%20axonopodis%20pv.%20phaseoli%20var.%20fuscans%20and%20common%20blight" title=" Xanthomonas axonopodis pv. phaseoli var. fuscans and common blight"> Xanthomonas axonopodis pv. phaseoli var. fuscans and common blight</a> </p> <a href="https://publications.waset.org/abstracts/159039/functional-diversity-of-pseudomonas-role-in-stimulation-of-bean-germination-and-common-blight-biocontrol" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159039.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">81</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">311</span> The Biofertilizer Effect of Pseudomonas of Salt Soils of the North-West Algerian, Study of Comportment of Bean (Vicia Faba)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Djoudi%20Abdelhak">Djoudi Abdelhak</a>, <a href="https://publications.waset.org/abstracts/search?q=Djibaoui%20Rachid"> Djibaoui Rachid</a>, <a href="https://publications.waset.org/abstracts/search?q=Reguieg%20Yassaad%20Houcine"> Reguieg Yassaad Houcine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our study focuses on the identification of some species of Pseudomonas (P4, P5, P7 and P8) isolated from saline soils in northwestern Algeria and the effect of their metabolites on the growth of Alternaria alternata the causative agent of the blight of the bean disease (Vicia faba). We are also interested in stimulating the growth of this plant species in saline conditions (60 mM/l NaCl) and the absence of salts. The analysis focuses on rates of inhibition of mycelial growth of Alternaria alternata strain and the rate of growth of plants inoculated with strains of Pseudomonas expressed by biometrics. According to the results of the in-vitro test, P5 and P8 species and their metabolites showed a significant effect on mycelia growth and production of spores of Alternaria alternata. The in-vivo test shows that the species P8 and P5 were significantly and positively influencing the growth in biometric parameters of the bean in saline and salt-free condition. Inoculation with strain P5 has promoted the growth of the bean in stem height, stem fresh weight and dry weight of stems of 108.59%, 115.28%, 104.33%, respectively, in the presence of salt Inoculation with strain P5 has fostered the growth of the bean stem fresh weight of 112.47% in the presence of salt The effect of Pseudomonas species on the development of Vicia faba and the growth of Alternaria alternata is considering new techniques and methods of biological production and crop protection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title="pseudomonas">pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=vicia%20faba" title=" vicia faba"> vicia faba</a>, <a href="https://publications.waset.org/abstracts/search?q=alternaria%20alternata" title=" alternaria alternata"> alternaria alternata</a>, <a href="https://publications.waset.org/abstracts/search?q=promoting%20of%20plant%20growth" title=" promoting of plant growth"> promoting of plant growth</a> </p> <a href="https://publications.waset.org/abstracts/30608/the-biofertilizer-effect-of-pseudomonas-of-salt-soils-of-the-north-west-algerian-study-of-comportment-of-bean-vicia-faba" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30608.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">392</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">310</span> Role of Interleukin-36 in Response to Pseudomonas aeruginosa Infection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muslim%20Idan%20Mohsin">Muslim Idan Mohsin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Jasim%20Al-Shamarti"> Mohammed Jasim Al-Shamarti</a>, <a href="https://publications.waset.org/abstracts/search?q=Rusul%20Idan%20Mohsin"> Rusul Idan Mohsin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20A.%20Majeed"> Ali A. Majeed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the causative agents of the lower respiratory tract (LRT) is Pseudomonas aeruginosa, which can lead to severe infection associated with a lung infection. There are many cytokines that are secreted in response to bacterial infection, in particular interleukin IL-36 cytokine in response to P. aeruginosa infection. The involvement of IL-36 in the P. aeruginosa infection could be a clue to find a specific way for treatments of different inflammatory and degenerative lung diseases. IL36 promotes primary immune response via binding to the IL-36 receptor (IL-36R). Indeed, an overactivity of IL-36 might be an initiating factor for many immunopathologic sceneries in pneumonia. Here we demonstrate if the IL-36 cytokine increases in response P. aeruginosa infection that is isolated from lower respiratory tract infection (LRT). We demonstrated that IL-36 expression significantly unregulated in human lung epithelial (A549) cells after infected by P. aeruginosa at mRNA level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=IL36" title="IL36">IL36</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20aeruginosa" title=" Pseudomonas aeruginosa"> Pseudomonas aeruginosa</a>, <a href="https://publications.waset.org/abstracts/search?q=LRT%20infection" title=" LRT infection"> LRT infection</a>, <a href="https://publications.waset.org/abstracts/search?q=A549%20cells" title=" A549 cells"> A549 cells</a> </p> <a href="https://publications.waset.org/abstracts/119670/role-of-interleukin-36-in-response-to-pseudomonas-aeruginosa-infection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/119670.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">233</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">309</span> Bioremediation of Phenanthrene by Monocultures and Mixed Culture Bacteria Isolated from Contaminated Soil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Fazilah">A. Fazilah</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Darah"> I. Darah</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Noraznawati"> I. Noraznawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Three different bacteria capable of degrading phenanthrene were isolated from hydrocarbon contaminated site. In this study, the phenanthrene-degrading activity by defined monoculture was determined and mixed culture was identified as <em>Acinetobacter</em> sp. P3d, <em>Bacillus </em>sp. P4a and <em>Pseudomonas</em> sp. P6. All bacteria were able to grow in a minimal salt medium saturated with phenanthrene as the sole source of carbon and energy. Phenanthrene degradation efficiencies by different combinations (consortia) of these bacteria were investigated and their phenanthrene degradation was evaluated by gas chromatography. Among the monocultures,<em> Pseudomonas</em> sp. P6 exhibited 58.71% activity compared to <em>Acinetobacter</em> sp. P3d and <em>Bacillus</em> sp. P4a which were 56.97% and 53.05%, respectively after 28 days of cultivation. All consortia showed high phenanthrene elimination which were 95.64, 79.37, 87.19, 79.21% for Consortia A, B, C and D, respectively. The results indicate that all of the bacteria isolated may effectively degrade target chemical and have a promising application in bioremediation of hydrocarbon contaminated soil purposes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phenanthrene" title="phenanthrene">phenanthrene</a>, <a href="https://publications.waset.org/abstracts/search?q=consortia" title=" consortia"> consortia</a>, <a href="https://publications.waset.org/abstracts/search?q=acinetobacter%20sp.%20P3d" title=" acinetobacter sp. P3d"> acinetobacter sp. P3d</a>, <a href="https://publications.waset.org/abstracts/search?q=bacillus%20sp.%20P4a" title=" bacillus sp. P4a"> bacillus sp. P4a</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudomonas%20sp.%20P6" title=" pseudomonas sp. P6"> pseudomonas sp. P6</a> </p> <a href="https://publications.waset.org/abstracts/47580/bioremediation-of-phenanthrene-by-monocultures-and-mixed-culture-bacteria-isolated-from-contaminated-soil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47580.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">296</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">308</span> Contribution to the Production of Phenazine Antibiotics Effect Type Compounds by Some Strains of Pseudomonas spp.fluorescent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nac%C3%A9ra%20Benoussaid">Nacéra Benoussaid</a>, <a href="https://publications.waset.org/abstracts/search?q=Lehalali%20Meriem"> Lehalali Meriem</a>, <a href="https://publications.waset.org/abstracts/search?q=Benchabane%20Messaoud"> Benchabane Messaoud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our work focuses on the production of compound antibiotic effect of volatile nature namely hydrogen cyanide and the production and identification of molecules phénazinique by some strains of fluorescent Pseudomonas spp isolated from the rhizosphere of some trees for a possible use as bio pesticides antifungal effect and/or antibiotic. We tested the production of hydrogen cyanide of 21 strains of Pseudomonas spp. fluorescent among them 19 strains (90, 47%) showed a positive cyanogenesis.The antagonism test executed in vitro showed that Pseudomonas strains have a higher anti fungal effect relative to their antibacterial effect with diameters of inhibition zones up to 3, 9 cm recorded by the strain F48 against Coleosporiumsp compared with recorded results against bacteria with a maximum inhibition of 1, 26 cm among this antagonistic strain.Three strains were selected by testing for producing phénazines namely PI9, BB9 and F20. The effect of the antimicrobial activity was performed on different culture media (GN, King B, ISP2 and PDA). The results of our study allowed us to retain the King B medium as ideal medium for the production of secondary metabolite. The produced phenazinique compounds was extracted from various organic solvents, and after the results of antibiographie against germs - targets, the extracts of ethyl acetate gave the best results compared to dichloromethane and hexane.The Analysis of these compounds of antibiotic phenazinique effect within layer chromatography (CCM) and high performance liquid chromatography( HPLC) indicate that both strains PI9 and F20 are productive of phenazine-1-carboxylic acid (PCA). The BB9 strain is suspected to be productive of another phenazinique compound. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20ssp.%20fluorescents" title="Pseudomonas ssp. fluorescents">Pseudomonas ssp. fluorescents</a>, <a href="https://publications.waset.org/abstracts/search?q=antagonism%20in%20vitro" title=" antagonism in vitro"> antagonism in vitro</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20metabolite" title=" secondary metabolite"> secondary metabolite</a>, <a href="https://publications.waset.org/abstracts/search?q=phenazines" title=" phenazines"> phenazines</a>, <a href="https://publications.waset.org/abstracts/search?q=biopesticide." title=" biopesticide."> biopesticide.</a> </p> <a href="https://publications.waset.org/abstracts/21842/contribution-to-the-production-of-phenazine-antibiotics-effect-type-compounds-by-some-strains-of-pseudomonas-sppfluorescent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21842.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">511</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">307</span> Optimization of Bioremediation Process to Remove Hexavalent Chromium from Tannery Effluent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Satish%20Babu%20Rajulapati">Satish Babu Rajulapati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The removal of toxic and heavy metal contaminants from wastewater streams and industrial effluents is one of the most important environmental issues being faced world over. In the present study three bacterial cultures tolerating high concentrations of chromium were isolated from the soil and wastewater sample collected from the tanneries located in Warangal, Telangana state. The bacterial species were identified as Bacillus sp., Staphylococcus sp. and pseudomonas sp. Preliminary studies were carried out with the three bacterial species at various operating parameters such as pH and temperature. The results indicate that pseudomonas sp. is the efficient one in the uptake of Cr(VI). Further, detailed investigation of Pseudomonas sp. have been carried out to determine the efficiency of removal of Cr(VI). The various parameters influencing the biosorption of Cr(VI) such as pH, temperature, initial chromium concentration, innoculum size and incubation time have been studied. Response Surface Methodology (RSM) was applied to optimize the removal of Cr(VI). Maximum Cr(VI) removal was found to be 85.72% Cr(VI) atpH 7, temperature 35 °C, initial concentration 67mg/l, inoculums size 9 %(v/v) and time 60 hrs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Staphylococcus%20sp" title="Staphylococcus sp">Staphylococcus sp</a>, <a href="https://publications.waset.org/abstracts/search?q=chromium" title=" chromium"> chromium</a>, <a href="https://publications.waset.org/abstracts/search?q=RSM" title=" RSM"> RSM</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=Cr%28IV%29" title=" Cr(IV)"> Cr(IV)</a> </p> <a href="https://publications.waset.org/abstracts/39489/optimization-of-bioremediation-process-to-remove-hexavalent-chromium-from-tannery-effluent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39489.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">325</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">306</span> Mercury Removal Using Pseudomonas putida (ATTC 49128): Effect of Acclimatization Time, Speed, and Temperature of Incubator Shaker</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20A.%20M.%20Azoddein">A. A. M. Azoddein</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20M.%20Yunus"> R. M. Yunus</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20M.%20Sulaiman"> N. M. Sulaiman</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20B.%20Bustary"> A. B. Bustary</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Sabar"> K. Sabar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microbes have been used to solve environmental problems for many years. The use microorganism to sequester, precipitate or alter the oxidation state of various heavy metals has been extensively studied. Processes by which microorganism interacts with toxic metal are very diverse. The purpose of this research is to remove the mercury using Pseudomonas putida, pure culture ATTC 49128 at optimum growth parameters such as techniques of culture, acclimatization time and speed of incubator shaker. Thus, in this study, the optimum growth parameters of P.putida were obtained to achieve the maximum of mercury removal. Based on the optimum parameters of Pseudomonas putida for specific growth rate, the removal of two different mercury concentration, 1 ppm and 4 ppm were studied. A mercury-resistant bacterial strain which is able to reduce ionic mercury to metallic mercury was used to reduce ionic mercury from mercury nitrate solution. The overall levels of mercury removal in this study were between 80% and 90%. The information obtained in this study is of fundamental for understanding of the survival of P.putida ATTC 49128 in mercury solution. Thus, microbial mercury environmental pollutants removal is a potential biological treatment for waste water treatment especially in petrochemical industries in Malaysia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20putida" title="Pseudomonas putida">Pseudomonas putida</a>, <a href="https://publications.waset.org/abstracts/search?q=growth%20kinetic" title=" growth kinetic"> growth kinetic</a>, <a href="https://publications.waset.org/abstracts/search?q=biosorption" title=" biosorption"> biosorption</a>, <a href="https://publications.waset.org/abstracts/search?q=mercury" title=" mercury"> mercury</a>, <a href="https://publications.waset.org/abstracts/search?q=petrochemical%20waste%20water" title=" petrochemical waste water"> petrochemical waste water</a> </p> <a href="https://publications.waset.org/abstracts/19360/mercury-removal-using-pseudomonas-putida-attc-49128-effect-of-acclimatization-time-speed-and-temperature-of-incubator-shaker" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19360.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">668</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">305</span> Changes of pH and Pseudomonas Aeruginosa Growth in Liquid Media</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sayaka%20Ono">Sayaka Ono</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryutaro%20Imai"> Ryutaro Imai</a>, <a href="https://publications.waset.org/abstracts/search?q=Tomoko%20Ehara"> Tomoko Ehara</a>, <a href="https://publications.waset.org/abstracts/search?q=Tetsuya%20Matsumoto"> Tetsuya Matsumoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Hajime%20Matsumura"> Hajime Matsumura</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Wound pH affects a number of important factors in wound healing. We previously measured the pH value of the exudates collected from second-degree burns and found that the increase in pH was observed in the burn wounds in which colonized by Staphylococcus spp., and the increase in pH was evident prior to the clinical findings of local infection. To investigate the relationship between the changes of pH value and bacterial growth, we performed in vitro study using Pseudomonas aeruginosa and liquid medium as a locally infected wound equivalent model. Methods: Pseudomonas aeruginosa standard strain (ATCCR 10145TM) was cultured at 37 °C environment in Luria Broth Miller medium. The absorbance rate which means the amount of bacteria was measured by a microplate reader 2300EnSpireTM). The pH was measured using pH-indicator strips (MColorpHastTM). The statistical analysis was performed using the product-moment correlation coefficient of Pearson's. Results: The absorbance rate and pH value were increased along with culture period. There was a positive correlation between pH value and absorbance rate (n = 27, Pearson's r = 0.985). Moreover, there was a positive correlation between pH value and the culture period (n = 18, Pearson's r = 0.901). The bacteria was well growth in the media from pH 6.6 to pH 8.0 and the pH of culture media converged at 8 -9 along with the bacterial growth. Conclusion: From these results, we conclude that pH value of the wound is correlated with the number of viable bacteria and bacterial growth periods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=colonization" title="colonization">colonization</a>, <a href="https://publications.waset.org/abstracts/search?q=potential%20of%20hydrogen" title=" potential of hydrogen"> potential of hydrogen</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20aeruginosa" title=" Pseudomonas aeruginosa"> Pseudomonas aeruginosa</a>, <a href="https://publications.waset.org/abstracts/search?q=wound" title=" wound"> wound</a> </p> <a href="https://publications.waset.org/abstracts/59243/changes-of-ph-and-pseudomonas-aeruginosa-growth-in-liquid-media" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59243.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">279</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">304</span> Combined Aplication of Indigenous Pseudomonas fluorescens and the AM Fungi as the Potential Biocontrol Agents of Banana Fusarium wilt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eri%20Sulyanti">Eri Sulyanti</a>, <a href="https://publications.waset.org/abstracts/search?q=Trimurti%20Habazar"> Trimurti Habazar</a>, <a href="https://publications.waset.org/abstracts/search?q=Eti%20Farda%20Husen"> Eti Farda Husen</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdi%20Dharma"> Abdi Dharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Nasril%20Nasir"> Nasril Nasir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, combination of some biocontrol agents with different mechanisms was an alternative to improve the effectiveness of the biological control agents. Single and combined applications of indigenous Pseudomonas fluorescens and Arbuscular Mychorrhizae Fungi (AM Fungi) isolates were tested to induce the resistance on susceptible Cavendish banana against F.oxysporum f. sp. cubense race 4 under greenhouse conditions. These isolates originally isolated from healthy banana rhizosphere at endemic Fusarium wilt areas in the centre of production banana in West Sumatra. These researches were conducted with Randomized Block Design with 16 treatments and 10 replications. The treatments were three indigenous isolates of Pseudomonas fluorescens (Par1-Cv, Par4-Rj1, Par2-Jt1) and 3 isolates of AM Fungi (Gl1BuA4, Gl2BuA6, and Gl1KeP3. The biocontrol agents were applied as single agents and combination two of them. This study demonstrated that the application of combination biocontrol organisms Pseudomonas fluorescens and AM Fungi provided were more effective than single application. The combination of Par1-Cv and Gl1BuA4 isolates was the most effective to control Fusarium wilt and followed by the combination of Par1-Cv and Gl2BuA6 and Par2-Jt1 and Gl1P3. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pseudomonad%20fluorescens%20%28Pf%29" title="pseudomonad fluorescens (Pf)">pseudomonad fluorescens (Pf)</a>, <a href="https://publications.waset.org/abstracts/search?q=arbuscular%20mychorrhizae%20fungi%20%28AM%20Fungi%29%20indigenous%20isolates" title=" arbuscular mychorrhizae fungi (AM Fungi) indigenous isolates"> arbuscular mychorrhizae fungi (AM Fungi) indigenous isolates</a>, <a href="https://publications.waset.org/abstracts/search?q=fusarium%20oxysporum%20f.%20sp.%20cubense" title=" fusarium oxysporum f. sp. cubense"> fusarium oxysporum f. sp. cubense</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20rhizosphere" title=" soil rhizosphere"> soil rhizosphere</a> </p> <a href="https://publications.waset.org/abstracts/37182/combined-aplication-of-indigenous-pseudomonas-fluorescens-and-the-am-fungi-as-the-potential-biocontrol-agents-of-banana-fusarium-wilt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37182.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">307</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">303</span> Evaluation of Paper Effluent with Two Bacterial Strain and Their Consortia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Priya%20Tomar">Priya Tomar</a>, <a href="https://publications.waset.org/abstracts/search?q=Pallavi%20Mittal"> Pallavi Mittal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As industrialization is inevitable and progress with rapid acceleration, the need for innovative ways to get rid of waste has increased. Recent advancement in bioresource technology paves novel ideas for recycling of factory waste that has been polluting the agro-industry, soil and water bodies. Paper industries in India are in a considerable number, where molasses and impure alcohol are still being used as raw materials for manufacturing of paper. Paper mills based on nonconventional agro residues are being encouraged due to increased demand of paper and acute shortage of forest-based raw materials. The colouring body present in the wastewater from pulp and paper mill is organic in nature and is comprised of wood extractives, tannin, resins, synthetic dyes, lignin and its degradation products formed by the action of chlorine on lignin which imparts an offensive colour to the water. These mills use different chemical process for paper manufacturing due to which lignified chemicals are released into the environment. Therefore, the chemical oxygen demand (COD) of the emanating stream is quite high. This paper presents some new techniques that were developed for the efficiency of bioremediation on paper industry. A short introduction to paper industry and a variety of presently available methods of bioremediation on paper industry and different strategies are also discussed here. For solving the above problem, two bacterial strains (Pseudomonas aeruginosa and Bacillus subtilis) and their consortia (Pseudomonas aeruginosa and Bacillus subtilis) were utilized for the pulp and paper mill effluent. Pseudomonas aeruginosa and Bacillus subtilis named as T–1, T–2, T–3, T–4, T–5, T–6, for the decolourisation of paper industry effluent. The results indicated that a maximum colour reduction is (60.5%) achieved by Pseudomonas aeruginosa and COD reduction is (88.8%) achieved by Bacillus subtilis, maximum pH changes is (4.23) achieved by Pseudomonas aeruginosa, TSS reduction is (2.09 %) achieved by Bacillus subtilis, and TDS reduction is (0.95 %) achieved by Bacillus subtilis. When the wastewater was supplemented with carbon (glucose) and nitrogen (yeast extract) source and data revealed the efficiency of Bacillus subtilis, having more with glucose than Pseudomonas aeruginosa. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioremediation" title="bioremediation">bioremediation</a>, <a href="https://publications.waset.org/abstracts/search?q=paper%20and%20pulp%20mill%20effluent" title=" paper and pulp mill effluent"> paper and pulp mill effluent</a>, <a href="https://publications.waset.org/abstracts/search?q=treated%20effluent" title=" treated effluent"> treated effluent</a>, <a href="https://publications.waset.org/abstracts/search?q=lignin" title=" lignin"> lignin</a> </p> <a href="https://publications.waset.org/abstracts/8372/evaluation-of-paper-effluent-with-two-bacterial-strain-and-their-consortia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8372.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">251</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">302</span> Correlation between Copper Uptake and Decrease of Copper (Hypocupremia) in Burn Patients-Infected Pseudomonas aeruginosa </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khaled%20M.%20Khleifat">Khaled M. Khleifat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pseudomonas aeruginosa was isolated from infected burn patients and characterized by standard biochemical tests. The in vitro copper uptake was compared between this isolated pathogenic strain and two non-pathogenic control strains of Gram-positive bacteria Bacillusthuringiensis strain Israelisas well as Gram-negative bacteria Enterobacter aerogenes. Maximum copper uptake of 470 ppm/g biomass was obtained by P. aeruginosa strain, while the control strains B. thuringiensis and Enterobacter aerogenes had copper uptake of 350 and 383 ppm/g biomass, respectively. However, the lowest copper uptake (60 ppm/g biomass) was observed with another control the saprophytic strain Pseudomonas (Shewanella) putrefaciens. A further investigation regarding the effect of copper toxicity on bacterial growth, gave an MIC score of 600 ppm for P. aeruginosa strain compared to 460 and 300 ppm for the two Gram positive and Gram negative control strains, respectively. In tandem with these in vitro findings, blood analysis on burn patients infected with P. aeruginosa has indicated a selective decrease of copper (hypocupremia) and ceruloplasmin plasma levels. The iron metabolism was also affected by this copper deprivation leading to a similar decrease in plasma levels of PCV, iron, total iron-binding capacity, and transferrin. All these hematological changes were significantly different (P < 0.05) from the matched group of non-infected burn patients. The observed hypocupremia in infected burn patients was attributed to demanding scavenger ability by P. aeruginosa strain for the copper of plasma. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20aeruginosa" title="Pseudomonas aeruginosa">Pseudomonas aeruginosa</a>, <a href="https://publications.waset.org/abstracts/search?q=hypocupremia" title=" hypocupremia"> hypocupremia</a>, <a href="https://publications.waset.org/abstracts/search?q=correlation" title=" correlation"> correlation</a>, <a href="https://publications.waset.org/abstracts/search?q=PCV" title=" PCV"> PCV</a> </p> <a href="https://publications.waset.org/abstracts/51802/correlation-between-copper-uptake-and-decrease-of-copper-hypocupremia-in-burn-patients-infected-pseudomonas-aeruginosa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51802.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">312</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">301</span> Antibacterial Activity of Northern Algerian Honey</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Messaouda%20Belaid">Messaouda Belaid</a>, <a href="https://publications.waset.org/abstracts/search?q=Salima%20Kebbouche-Gana"> Salima Kebbouche-Gana</a>, <a href="https://publications.waset.org/abstracts/search?q=Djamila%20Benaziza"> Djamila Benaziza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our study focuses on determining the antibacterial activity of some honeys from northern Algeria. To test this activity, the agar well diffusion methods was employed. The bacterial strains tested were Staphylococcus aureus, Bacillus subtilis, Streptococcus faecalis, Klebsiella pneumoniae, Escherichia coli, and Pseudomonas aeroginosae. The results showed that all the microbes tested were inhibited by all honey used in this study but Those bacteria that appear to be more sensitive to all honey tested are Staphylococcus aureus and Pseudomonas aeroginosae. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=honey" title="honey">honey</a>, <a href="https://publications.waset.org/abstracts/search?q=antibacterial%20activity" title=" antibacterial activity"> antibacterial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=Northern%20Algeria" title=" Northern Algeria"> Northern Algeria</a>, <a href="https://publications.waset.org/abstracts/search?q=Staphylococcus%20aureus" title=" Staphylococcus aureus"> Staphylococcus aureus</a> </p> <a href="https://publications.waset.org/abstracts/13175/antibacterial-activity-of-northern-algerian-honey" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13175.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">394</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">300</span> Utilizing the RhlR/RhlI Quorum Sensing System to Express the ß-Galactosidase Reporter Gene by Using the N-Butanoyl Homoserine Lactone and N-Hexanoyl Homoserine Lactone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ngoc%20Tu%20Truong">Ngoc Tu Truong</a>, <a href="https://publications.waset.org/abstracts/search?q=Nuong%20T.%20Bui"> Nuong T. Bui</a>, <a href="https://publications.waset.org/abstracts/search?q=Ben%20Rao"> Ben Rao</a>, <a href="https://publications.waset.org/abstracts/search?q=Ya%20L.%20Shen"> Ya L. Shen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Quorum sensing is a phenomenon present in many gram-negative bacteria that allows bacterial communication and controlled expression of a large suite of genes through quorum sensing signals - N-acyl homoserine lactones (AHLs). In order to investigate the ability of the rhlR/rhlI quorum sensing system in Pseudomonas aeruginosa to express the ß-Galactosidase reporter gene, an engineered E. coli strain EpHL02, was genetically engineered. This engineered E. coli strain EpHL02 responded to the presence of the N-butanoyl homoserine lactone and N-hexanoyl homoserine lactone to express the ß-Galactosidase reporter gene at a concentration limit of 5x10⁻⁸ M. This was also found to be comparable to AHLs extraction from Serratia marcescens H31. Moreover, we examined this ability of this engineered E. coli strain for respond of AHLs from extractions of Pseudomonas aeruginosa ATCC9027. The results demonstrated that the rhlR/rhlI quorum sensing system can express the ß-Galactosidase reporter gene by using the N-butanoyl homoserine lactone, N-hexanoyl homoserine lactone and AHLs from extractions of Serratia marcescens H31 and Pseudomonas aeruginosa ATCC9027 in the engineered E. coli strain EpHL02. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=N-butanoyl%20homoserine%20lactone" title="N-butanoyl homoserine lactone">N-butanoyl homoserine lactone</a>, <a href="https://publications.waset.org/abstracts/search?q=C4-HSL" title=" C4-HSL"> C4-HSL</a>, <a href="https://publications.waset.org/abstracts/search?q=N-hexanoyl%20homoserine%20lactone" title=" N-hexanoyl homoserine lactone"> N-hexanoyl homoserine lactone</a>, <a href="https://publications.waset.org/abstracts/search?q=C6-HSL" title=" C6-HSL"> C6-HSL</a>, <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20aeruginosa" title=" Pseudomonas aeruginosa"> Pseudomonas aeruginosa</a>, <a href="https://publications.waset.org/abstracts/search?q=quorum%20sensing" title=" quorum sensing"> quorum sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=Serratia%20marcescens" title=" Serratia marcescens"> Serratia marcescens</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%9F-galactosidase%20reporter%20gene" title=" ß-galactosidase reporter gene"> ß-galactosidase reporter gene</a> </p> <a href="https://publications.waset.org/abstracts/90029/utilizing-the-rhlrrhli-quorum-sensing-system-to-express-the-ss-galactosidase-reporter-gene-by-using-the-n-butanoyl-homoserine-lactone-and-n-hexanoyl-homoserine-lactone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90029.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">307</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">299</span> Study of Pseudomonas as Biofertiliser in Salt-Affected Soils of the Northwestern Algeria: Solubilisation of Calcium Phosphate and Growth Promoting of Broad Bean (Vcia faba)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Djoudi">A. Djoudi</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Djibaou"> R. Djibaou</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20A.%20Reguieg%20Yssaad"> H. A. Reguieg Yssaad </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our study focuses on the study of a bacteria belonging to Pseudomonas solubilizing tricalcium phosphate. They were isolated from rhizosphere of a variety of broad bean grown in salt-affected soils (electrical conductivity between 4 and 8 mmhos/cm) of the irrigated perimeter of Mina in northwestern Algeria. Isolates which have advantageous results in the calcium phosphate solubilization index test were subjected to identification using API20 then used to re-inoculate the same soil in pots experimentation to assess the effects of inoculation on the growth of the broad bean (Vicia faba). Based on the results obtained from the in-vitro tests, two isolates P5 and P8 showed a significant effect on the solubilization of tricalcium phosphate with an index I estimated at 314% and 283% sequentially. According to the results of in-vivo tests, the inoculation of the soil with P5 and P8 were significantly and positively influencing the growth in biometric parameters of the broad bean. Inoculation with strain P5 has promoted the growth of the broad bean in stem height, stem fresh weight and stem dry weight of 108.59%, 115.28%, 104.33%, respectively. Inoculation with strain P8 has fostered the growth of the broad bean stem fresh weight of 112.47%. The effect of Pseudomonas on the development of Vicia faba is considered as an interesting process by which PGPR can increase biological production and crop protection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pseudomonas" title="Pseudomonas">Pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=Vicia%20faba" title=" Vicia faba"> Vicia faba</a>, <a href="https://publications.waset.org/abstracts/search?q=promoting%20of%20plant%20growth" title=" promoting of plant growth"> promoting of plant growth</a>, <a href="https://publications.waset.org/abstracts/search?q=solubilization%20tricalcium%20phosphate" title=" solubilization tricalcium phosphate"> solubilization tricalcium phosphate</a> </p> <a href="https://publications.waset.org/abstracts/32622/study-of-pseudomonas-as-biofertiliser-in-salt-affected-soils-of-the-northwestern-algeria-solubilisation-of-calcium-phosphate-and-growth-promoting-of-broad-bean-vcia-faba" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32622.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">329</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">298</span> Characterization of Bacteriophage for Biocontrol of Pseudomonas syringae, Causative Agent of Canker in Prunus spp.</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mojgan%20Rabiey">Mojgan Rabiey</a>, <a href="https://publications.waset.org/abstracts/search?q=Shyamali%20Roy"> Shyamali Roy</a>, <a href="https://publications.waset.org/abstracts/search?q=Billy%20Quilty"> Billy Quilty</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryan%20Creeth"> Ryan Creeth</a>, <a href="https://publications.waset.org/abstracts/search?q=George%20Sundin"> George Sundin</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20W.%20Jackson"> Robert W. Jackson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bacterial canker is a major disease of Prunus species such as cherry (Prunus avium). It is caused by Pseudomonas syringae species including P. syringae pv. syringae (Pss) and P. syringae pv. morsprunorum race 1 (Psm1) and race 2 (Psm2). Concerns over the environmental impact of, and developing resistance to, copper controls call for alternative approaches to disease management. One method of control could be achieved using naturally occurring bacteriophage (phage) infective to the bacterial pathogens. Phages were isolated from soil, leaf, and bark of cherry trees in five locations in the South East of England. The phages were assessed for their host range against strains of Pss, Psm1, and Psm2. The phages exhibited a differential ability to infect and lyse different Pss and Psm isolates as well as some other P. syringae pathovars. However, the phages were unable to infect beneficial bacteria such as Pseudomonas fluorescens. A subset of 18 of these phages were further characterised genetically (Random Amplification of Polymorphic DNA-PCR fingerprinting and sequencing) and using electron microscopy. The phages are tentatively identified as belonging to the order Caudovirales and the families Myoviridae, Podoviridae, and Siphoviridae, with genetic material being dsDNA. Future research will fully sequence the phage genomes. The efficacy of the phage, both individually and in cocktails, to reduce disease progression in vivo will be investigated to understand the potential for practical use of these phages as biocontrol agents. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacteriophage" title="bacteriophage">bacteriophage</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title=" pseudomonas"> pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20cancker" title=" bacterial cancker"> bacterial cancker</a>, <a href="https://publications.waset.org/abstracts/search?q=biological%20control" title=" biological control"> biological control</a> </p> <a href="https://publications.waset.org/abstracts/108768/characterization-of-bacteriophage-for-biocontrol-of-pseudomonas-syringae-causative-agent-of-canker-in-prunus-spp" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108768.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">151</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">297</span> Association between Copper Uptake and Decrease of Copper (hypocupremia) in Burn Patients-Infected Pseudomonas aeruginosa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Khleifat">Khaled Khleifat</a>, <a href="https://publications.waset.org/abstracts/search?q=Muayyad%20Abboud"> Muayyad Abboud</a>, <a href="https://publications.waset.org/abstracts/search?q=Amjad%20Khleifat"> Amjad Khleifat</a>, <a href="https://publications.waset.org/abstracts/search?q=Humodi%20Saeed"> Humodi Saeed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, Pseudomonas aeruginosa was isolated from infected burn patients and characterized by standard biochemical tests. The in vitro copper uptake was compared between this isolated pathogenic strain and two non-pathogenic control strains of Gram positive bacteria Bacillusthuringiensis strain Israelisas well as Gram negative bacteria Enterobacter aerogenes. Maximum copper uptake of 470 ppm/g biomass was obtained by P. aeruginosa strain, while the control strains B. thuringiensis andEnterobacter aerogenes had copper uptake of 350 and 383 ppm/g biomass, respectively. However, the lowest copper uptake (60 ppm/g biomass) was observed with another control the saprophytic strain Pseudomonas (Shewanella) putrefaciens. A further investigation regarding the effect of copper toxicity on bacterial growth, gave an MIC score of 600 ppm for P. aeruginosa strain compared to 460 and 300 ppm for the two Gram positive and Gram negative control strains, respectively. In tandem with these in vitro findings, blood analysis on burn patients infected with P. aeruginosa has indicated a selective decrease of copper (hypocupremia) and ceruloplasmin plasma levels. The iron metabolism was also affected by this copper deprivation leading to a similar decrease in plasma levels of PCV, iron, total iron binding capacity, and transferrin. All these hematological changes were significantly different (P < 0.05) from the matched group of non-infected burn patients. The observed hypocupremia in infected burn patients was attributed to demanding scavenger ability by P. aeruginosa strain for the copper of plasma. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title="pseudomonas">pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=Cu%20uptake" title=" Cu uptake"> Cu uptake</a>, <a href="https://publications.waset.org/abstracts/search?q=burn%20patients" title=" burn patients"> burn patients</a>, <a href="https://publications.waset.org/abstracts/search?q=biosorption" title=" biosorption"> biosorption</a> </p> <a href="https://publications.waset.org/abstracts/51304/association-between-copper-uptake-and-decrease-of-copper-hypocupremia-in-burn-patients-infected-pseudomonas-aeruginosa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51304.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">392</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">296</span> Production of Poly-β-Hydroxybutyrate (PHB) by a Thermophilic Strain of Bacillus and Pseudomonas Species</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Patience%20Orobosa%20Olajide">Patience Orobosa Olajide</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Five hydrocarbon degrading bacterial strains isolated from contaminated environment were investigated with respect to polyhydroxybutyrate (PHB) biosynthesis. Screening for bioplastic production was done on assay mineral salts agar medium containing 0.2% poly (3-hydroxybutyrate) as the sole carbon source. Two of the test bacteria were positive for PHB biosynthesis and were identified based on gram staining, biochemical tests, 16S rRNA gene sequence analysis as Pseudomonas aeruginosa and Bacillus licheniformis which grew at 37 and up to 65 °C respectively, thus suggesting the later to be thermotolerant. In this study, the effects of different carbon and nitrogen sources on PHB production in these strains were investigated. Maximum PHB production was obtained in 48 hr for the two strains and amounted to yields of 72.86 and 62.22 percentages for Bacillus licheniformis and Pseudomonas aeruginosa respectively. In these strains, glycine was the most efficient carbon sources for the production of PHB compared with other carbon (glucose, lactose, sucrose, Arabinose) and nitrogen (L- glycine, L-cysteine, DL-Tryptophan, and Potassium Nitrate) sources. The screening of microbial strains for industrial PHB production should be based on several factors including the cell’s capability to mineralize an inexpensive substrate, rate of growth and the extent of polymer accumulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacteria" title="bacteria">bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=poly-3-hydroxybutyrate%20%28PHB%29" title=" poly-3-hydroxybutyrate (PHB)"> poly-3-hydroxybutyrate (PHB)</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrocarbon" title=" hydrocarbon"> hydrocarbon</a>, <a href="https://publications.waset.org/abstracts/search?q=thermotolerant" title=" thermotolerant"> thermotolerant</a> </p> <a href="https://publications.waset.org/abstracts/57001/production-of-poly-v-hydroxybutyrate-phb-by-a-thermophilic-strain-of-bacillus-and-pseudomonas-species" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57001.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">198</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">295</span> Antifungal Potential of the Plant Growth-Promoting Rhizobacteria Infecting Kidney Beans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhazira%20Shemsheyeva">Zhazira Shemsheyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhanara%20Suleimenova"> Zhanara Suleimenova</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Shemshura"> Olga Shemshura</a>, <a href="https://publications.waset.org/abstracts/search?q=Gulnaz%20Mombekova"> Gulnaz Mombekova</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhanar%20Rakhmetova"> Zhanar Rakhmetova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bacteria that colonize plant roots and promote plant growth are referred to as plant growth-promoting rhizobacteria (PGPR). They not only provide nutrients to the plants (direct plant growth promotion) and protect plants against the phytopathogens (indirect plant growth promotion) but also increase the soil fertility. Indirectly PGPRs improve the plant growth by becoming a biocontrol agent for a fungal pathogen. The antifungal activities of the PGPrhizobacteria were assayed against different species of phytopathogenic fungi such as Fusarium tricinctum, Fusarium oxysporum, Sclerotiniasclerotiorum, and Botrytis cinerea. Pseudomonas putidaSM-1, Azotobacter sp., and Bacillus thuringiensis AKS/16 strains have been used in experimental tests on growth inhibition of phytopathogenic fungi infecting Kidney beans. Agar well diffusion method was used in this study. Diameters of the zones of inhibition were measured in millimeters. It was found that Bacillus thuringiensis AKS/16 strain showed the lowest antifungal activity against all fungal pathogens tested. Zones of inhibition were 15-18 mm. In contrast, Pseudomonas putida SM-1 exhibited good antifungal activity against Fusarium oxysporum and Fusarium tricinctum by producing 29-30 mm clear zones of inhibition. The moderate inhibitory effect was shown by Azotobacter sp. against all fungal pathogens tested with zones of inhibition from24 to 26 mm. In summary, Pseudomonas putida SM-1 strain demonstrated the potential of controlling root rot diseases in kidney beans. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PGPR" title="PGPR">PGPR</a>, <a href="https://publications.waset.org/abstracts/search?q=pseudomonas%20putida" title=" pseudomonas putida"> pseudomonas putida</a>, <a href="https://publications.waset.org/abstracts/search?q=kindey%20beans" title=" kindey beans"> kindey beans</a>, <a href="https://publications.waset.org/abstracts/search?q=antifungal%20activity" title=" antifungal activity "> antifungal activity </a> </p> <a href="https://publications.waset.org/abstracts/120943/antifungal-potential-of-the-plant-growth-promoting-rhizobacteria-infecting-kidney-beans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/120943.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">154</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">294</span> In Vitro Assessment of Anti-microbial Properties of Murraya Koenigii Extract</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kinza%20Khan">Kinza Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Dad%20Muhmmad"> Dad Muhmmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Asif%20Saleem"> Asif Saleem</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadia%20Mukhtar"> Nadia Mukhtar</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahir%20Yaqub"> Tahir Yaqub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ethomedicines are more commonly used in underdeveloped and developing countries. These medicines are sometimes more potent in controlling microbial infections than conventional medicines. Medicinal plants have been common practice to cure many diseases for centuries. Murraya koenigii is one of these plants and is commonly used in South Asian countries as a flavoring agent in food. To evaluate its anti-microbial activity, six different bacterial strains (Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Salmonella typhi, Bacillus cereus and Klebsiella pneumonia were used. N-hexane extract of Murraya koenigii leaves shows maximum activity against Bacillus cereus. Acetone extract of Murraya koenigii shoots showed more efficient activity against Pseudomonas aeruginosa Dichloromethane extracts showed maximum activity against Bacillus cereus. Ethanol extract exhibited maximum activity against Pseudomonas aeruginosa and Klebsiella pneumoniae. The methanol extract of Murraya koenigii shoots displayed maximum antibacterial activity against Bacillus cereus. Antifungal activity Ethanol extract was more effective against Candida albicans. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ethnomedicines" title="ethnomedicines">ethnomedicines</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria" title=" bacteria"> bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=fungi" title=" fungi"> fungi</a>, <a href="https://publications.waset.org/abstracts/search?q=murraya%20koenigii" title=" murraya koenigii"> murraya koenigii</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20activity" title=" antimicrobial activity"> antimicrobial activity</a> </p> <a href="https://publications.waset.org/abstracts/164834/in-vitro-assessment-of-anti-microbial-properties-of-murraya-koenigii-extract" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164834.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">93</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">293</span> Bacterial Contamination of Kitchen Sponges and Cutting Surfaces and Disinfection Procedures </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hayyan%20I%20Al%20Taweil">Hayyan I Al Taweil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The most common of bacterium in kitchen sponges and cutting surfaces which can play a task within the cross-contamination of foods, fomites and hands by foodborne pathogens. Aims and Objectives: This study investigated the incidence of bacterium in kitchen Sponge, and cutting surfaces. Material and methods: a complete of twenty four kitchen Sponges were collected from home kitchens and therefore the numbers of mesotrophic microorganism, coliform microorganism, E. coli, Salmonella, genus {pseudomonas|bacteria genus} and staphylococci in every kitchen Sponges were determined. Microbiological tests of all sponges for total mesophilic aerobic microorganism, S. aureus, Pseudomonas, Salmonella spp., and E. coli were performed on days 3, 7, and 14 by sampling. The sponges involved in daily use in kitchens countenosely with the dishwasher detergent a minimum of doubly daily Results: Results from the overall mesophilic aerobic microorganism, indicate a major increase within the variety of log CFU/ml. the amount of E. coli was reduced, Salmonella spp. was stabled, S. aureus was enhanced from the sponges throughout fourteen days. Genus Pseudomonas was enhanced and was the dominant micro flora within the sponges throughout fourteen days. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kitchen%20Sponges" title="Kitchen Sponges">Kitchen Sponges</a>, <a href="https://publications.waset.org/abstracts/search?q=Microbiological%20Contamination" title=" Microbiological Contamination"> Microbiological Contamination</a>, <a href="https://publications.waset.org/abstracts/search?q=Disinfection%3B%20cutting%20surface%3B" title=" Disinfection; cutting surface; "> Disinfection; cutting surface; </a>, <a href="https://publications.waset.org/abstracts/search?q=Cross-Contamination" title=" Cross-Contamination"> Cross-Contamination</a> </p> <a href="https://publications.waset.org/abstracts/121771/bacterial-contamination-of-kitchen-sponges-and-cutting-surfaces-and-disinfection-procedures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121771.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">145</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">292</span> Efficacy of DAPG Producing Fluorescent Pseudomonas for Enhancing Nutrient Use Efficacy, Bio-Control of Soil-Borne Diseases and Yield of Groundnut</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Basavaraj%20Yenagi">Basavaraj Yenagi</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Nagaraju"> P. Nagaraju</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20R.%20Patil"> C. R. Patil</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Groundnut (Arachis hypohaea L.) is called as “King of oilseeds” and one of the most important food and cash crops in Indian subcontinent. Yield and quality of oil are negatively correlated with poor or imbalanced nutrition and constant exposure to both biotic and abiotic stress factors. Variety of diseases affect groundnut plant, most of them are caused by fungi and lead to severe yield loss. Imbalanced nutrition increases the concerns of environmental deterioration which includes soil fertility. Among different microbial antagonists, Pseudomonas is common member of the plant growth promoting rhizobacteria microflora present in the rhizosphere of groundnut. These are known to produce a beneficial effect on groundnut due to their high metabolic activity leading to the production of enzymes, exopolysaccharides, secondary metabolites, and antibiotics. The ability of pseudomonas lies on their ability to produce antibiotic metabolites such as 2, 4-diacetylphloroglucinol (DAPG). DAPG can inhibit the growth of fungal pathogens namely collar rot and stem rot and also increase the availability of plant nutrients through increased solubilization and uptake of nutrients. Hence, the present study was conducted for three consecutive years (2014 to 2016) in vertisol during the rainy season to assess the efficacy of DAPG producing fluorescent pseudomonas for enhancing nutrient use efficacy, bio-control of soil-borne diseases and yield of groundnut at University of Agricultural Sciences, Dharwad farm. The experiment was laid out in an RCBD with three replications and seven treatments. The mean of three years data revealed that the effect of DAPG-producing producing fluorescent pseudomonas enhanced groundnut yield, uptake of nitrogen and phosphorus and nutrient use efficiency and also found to be effective in bio-control of collar rot and stem rot incidence leading to increase pod yield of groundnut. Higher dry pod yield of groundnut was obtained with DAPG 2(3535 kg ha-1) closely followed by DAPG 4(3492 kg ha-1), FP 98(3443 kg ha-1), DAPG 1(3414 kg ha-1), FP 86(3361 kg ha-1) and Trichoderma spp. (3380 kg ha-1) over control(3173 kg ha-1). A similar trend was obtained with other growth and yield attributing parameters. N uptake ranged from 8.21 percent to FP 86 to 17.91 percent with DAPG 2 and P uptake ranged between 5.56 percent with FP 86 to 16.67 percent with DAPG 2 over control. The first year, there was no incidence of collar rot. During the second year, the control plot recorded 2.51 percent incidence and it ranged from 0.82 percent to 1.43 percent in different DAPG-producing fluorescent pseudomonas treatments. The similar trend was noticed in the third year with lower incidence. The stem rot incidence was recorded during all the three years. Mean data indicated that the control plot recorded 2.65 percent incidence and it ranged from 0.71 percent to 1.23 percent in different DAPG-producing fluorescent pseudomonas treatments. The increase in net monetary benefits ranged from Rs.5975 ha-1 to Rs.11407 ha 1 in different treatments. Hence, as a low-cost technology, seed treatment with available DAPG-producing fluorescent pseudomonas has a beneficial effect on groundnut for enhancing groundnut yield, nutrient use efficiency and bio-control of soil-borne diseases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=groundnut" title="groundnut">groundnut</a>, <a href="https://publications.waset.org/abstracts/search?q=DAPG" title=" DAPG"> DAPG</a>, <a href="https://publications.waset.org/abstracts/search?q=fluorescent%20pseudomonas" title=" fluorescent pseudomonas"> fluorescent pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=nutrient%20use%20efficiency" title=" nutrient use efficiency"> nutrient use efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=collar%20rot" title=" collar rot"> collar rot</a>, <a href="https://publications.waset.org/abstracts/search?q=stem%20rot" title=" stem rot"> stem rot</a> </p> <a href="https://publications.waset.org/abstracts/85035/efficacy-of-dapg-producing-fluorescent-pseudomonas-for-enhancing-nutrient-use-efficacy-bio-control-of-soil-borne-diseases-and-yield-of-groundnut" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85035.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">181</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=10">10</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=11">11</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Pseudomonas%20taetrolens&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul 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