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lysis</title> <meta name="description" content="Search results for: bacterial lysis"> <meta name="keywords" content="bacterial lysis"> <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 d-lg-none navbar-toggler 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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="bacterial lysis"> <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> 1151</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: bacterial lysis</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1151</span> Advanced Biosensor Characterization of Phage-Mediated Lysis in Real-Time and under Native Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Radka%20Obo%C5%99ilov%C3%A1">Radka Obořilová</a>, <a href="https://publications.waset.org/abstracts/search?q=Hana%20%C5%A0ime%C4%8Dkov%C3%A1"> Hana Šimečková</a>, <a href="https://publications.waset.org/abstracts/search?q=Mat%C4%9Bj%20Pastucha"> Matěj Pastucha</a>, <a href="https://publications.waset.org/abstracts/search?q=Jan%20P%C5%99ibyl"> Jan Přibyl</a>, <a href="https://publications.waset.org/abstracts/search?q=Petr%20Skl%C3%A1dal"> Petr Skládal</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivana%20Ma%C5%A1la%C5%88ov%C3%A1"> Ivana Mašlaňová</a>, <a href="https://publications.waset.org/abstracts/search?q=Zden%C4%9Bk%20Farka"> Zdeněk Farka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the spreading of antimicrobial resistance, alternative approaches to combat superinfections are being sought, both in the field of lysing agents and methods for studying bacterial lysis. A suitable alternative to antibiotics is phage therapy and enzybiotics, for which it is also necessary to study the mechanism of their action. Biosensor-based techniques allow rapid detection of pathogens in real time, verification of sensitivity to commonly used antimicrobial agents, and selection of suitable lysis agents. The detection of lysis takes place on the surface of the biosensor with immobilized bacteria, which has the potential to be used to study biofilms. An example of such a biosensor is surface plasmon resonance (SPR), which records the kinetics of bacterial lysis based on a change in the resonance angle. The bacteria are immobilized on the surface of the SPR chip, and the action of phage as the mass loss is monitored after a typical lytic cycle delay. Atomic force microscopy (AFM) is a technique for imaging of samples on the surface. In contrast to electron microscopy, it has the advantage of real-time imaging in the native conditions of the nutrient medium. In our case, Staphylococcus aureus was lysed using the enzyme lysostaphin and phage P68 from the familyPodoviridae at 37 ° C. In addition to visualization, AFM was used to study changes in mechanical properties during lysis, which resulted in a reduction of Young’s modulus (E) after disruption of the bacterial wall. Changes in E reflect the stiffness of the bacterium. These advanced methods provide deeper insight into bacterial lysis and can help to fight against bacterial diseases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biosensors" title="biosensors">biosensors</a>, <a href="https://publications.waset.org/abstracts/search?q=atomic%20force%20microscopy" title=" atomic force microscopy"> atomic force microscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20plasmon%20resonance" title=" surface plasmon resonance"> surface plasmon resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20lysis" title=" bacterial lysis"> bacterial lysis</a>, <a href="https://publications.waset.org/abstracts/search?q=staphylococcus%20aureus" title=" staphylococcus aureus"> staphylococcus aureus</a>, <a href="https://publications.waset.org/abstracts/search?q=phage%20P68" title=" phage P68"> phage P68</a> </p> <a href="https://publications.waset.org/abstracts/144632/advanced-biosensor-characterization-of-phage-mediated-lysis-in-real-time-and-under-native-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144632.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">134</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">1150</span> Spontaneous Tumour Lysis in Acute Myeloid Leukemia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rojith%20K.%20Balakrishnan">Rojith K. Balakrishnan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spontaneous tumour lysis syndrome is a constellation of electrolyte abnormalities and an acute renal failure which occurs in the setting of rapid cell turnover prior to the administration of cytotoxic chemotherapy. While spontaneous tumour lysis well-described in patients with Burkitt lymphoma, it is thought to occur less commonly in patients with other hematological malignancies. We present a case of forty-year-old female who presented with features of acute renal failure, on further evaluation turned out to be a newly diagnosed acute myeloid leukemia with spontaneous tumour lysis best of our knowledge only three cases of AML with spontaneous tumour lysis has reported world wide. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AML" title="AML">AML</a>, <a href="https://publications.waset.org/abstracts/search?q=tumour%20lysis" title=" tumour lysis"> tumour lysis</a>, <a href="https://publications.waset.org/abstracts/search?q=renal%20failure" title=" renal failure"> renal failure</a>, <a href="https://publications.waset.org/abstracts/search?q=myeloid%20leukemia" title=" myeloid leukemia"> myeloid leukemia</a> </p> <a href="https://publications.waset.org/abstracts/28705/spontaneous-tumour-lysis-in-acute-myeloid-leukemia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28705.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">294</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">1149</span> Development of a Microfluidic Device for Low-Volume Sample Lysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abbas%20Ali%20Husseini">Abbas Ali Husseini</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Mohammad%20Yazdani"> Ali Mohammad Yazdani</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Ghadiri"> Fatemeh Ghadiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Alper%20%C5%9Ei%C5%9Fman"> Alper Şişman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We developed a microchip device that uses surface acoustic waves for rapid lysis of low level of cell samples. The device incorporates sharp-edge glass microparticles for improved performance. We optimized the lysis conditions for high efficiency and evaluated the device's feasibility for point-of-care applications. The microchip contains a 13-finger pair interdigital transducer with a 30-degree focused angle. It generates high-intensity acoustic beams that converge 6 mm away. The microchip operates at a frequency of 16 MHz, exciting Rayleigh waves with a 250 µm wavelength on the LiNbO3 substrate. Cell lysis occurs when Candida albicans cells and glass particles are placed within the focal area. The high-intensity surface acoustic waves induce centrifugal forces on the cells and glass particles, resulting in cell lysis through lateral forces from the sharp-edge glass particles. We conducted 42 pilot cell lysis experiments to optimize the surface acoustic wave-induced streaming. We varied electrical power, droplet volume, glass particle size, concentration, and lysis time. A regression machine-learning model determined the impact of each parameter on lysis efficiency. Based on these findings, we predicted optimal conditions: electrical signal of 2.5 W, sample volume of 20 µl, glass particle size below 10 µm, concentration of 0.2 µg, and a 5-minute lysis period. Downstream analysis successfully amplified a DNA target fragment directly from the lysate. The study presents an efficient microchip-based cell lysis method employing acoustic streaming and microparticle collisions within microdroplets. Integration of a surface acoustic wave-based lysis chip with an isothermal amplification method enables swift point-of-care applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cell%20lysis" title="cell lysis">cell lysis</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20acoustic%20wave" title=" surface acoustic wave"> surface acoustic wave</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-glass%20particle" title=" micro-glass particle"> micro-glass particle</a>, <a href="https://publications.waset.org/abstracts/search?q=droplet" title=" droplet"> droplet</a> </p> <a href="https://publications.waset.org/abstracts/169097/development-of-a-microfluidic-device-for-low-volume-sample-lysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169097.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">79</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">1148</span> Evaluation of Thrombolytic Activity of Zingiber cassumunar Roxb. and Thai Herbal Prasaplai Formula</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Warachate%20Khobjai">Warachate Khobjai</a>, <a href="https://publications.waset.org/abstracts/search?q=Suriyan%20Sukati"> Suriyan Sukati</a>, <a href="https://publications.waset.org/abstracts/search?q=Khemjira%20Jarmkom"> Khemjira Jarmkom</a>, <a href="https://publications.waset.org/abstracts/search?q=Pattaranut%20Eakwaropas"> Pattaranut Eakwaropas</a>, <a href="https://publications.waset.org/abstracts/search?q=Surachai%20Techaoei"> Surachai Techaoei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The propose of this study was to investigate <em>in vitro</em> thrombolytic activity of <em>Zingiber cassumunar</em> Roxb. and Prasaplai, a Thai herbal formulation of <em>Z. cassumunar</em> Roxb. Herbs were extracted with boiling water and concentrated by lyophilization. To observe their thrombolytic potential, an <em>in vitro</em> clot lysis method was applied where streptokinase and sterile distilled water were used as positive and negative controls, respectively. Crude aqueous extracts from <em>Z. cassumunar</em> Roxb. and Prasaplai formula showed significant thrombolytic activity by clot lysis of 17.90% and 25.21%, respectively, compared to the negative control water (5.16%) while the standard streptokinase revealed 64.78% clot lysis. These findings suggest that <em>Z. cassumunar</em> Roxb. exhibits moderate thrombolytic activity and cloud play an important role in the thrombolytic properties of Prasaplai formula. However, further study should be done to observe <em>in vivo</em> clot dissolving potential and to isolate active component(s) of these extracts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thrombolytic%20activity" title="thrombolytic activity">thrombolytic activity</a>, <a href="https://publications.waset.org/abstracts/search?q=clot%20lysis" title=" clot lysis"> clot lysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Zingiber%20cassumunar%20Roxb." title=" Zingiber cassumunar Roxb."> Zingiber cassumunar Roxb.</a>, <a href="https://publications.waset.org/abstracts/search?q=Prasaplai%20formula" title=" Prasaplai formula"> Prasaplai formula</a>, <a href="https://publications.waset.org/abstracts/search?q=aqueous%20extract" title=" aqueous extract"> aqueous extract</a> </p> <a href="https://publications.waset.org/abstracts/61567/evaluation-of-thrombolytic-activity-of-zingiber-cassumunar-roxb-and-thai-herbal-prasaplai-formula" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61567.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">338</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">1147</span> Comparison of Inexpensive Cell Disruption Techniques for an Oleaginous Yeast</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Scott%20Nielsen">Scott Nielsen</a>, <a href="https://publications.waset.org/abstracts/search?q=Luca%20Longanesi"> Luca Longanesi</a>, <a href="https://publications.waset.org/abstracts/search?q=Chris%20Chuck"> Chris Chuck</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Palm oil is obtained from the flesh and kernel of the fruit of oil palms and is the most productive and inexpensive oil crop. The global demand for palm oil is approximately 75 million metric tonnes, a 29% increase in global production of palm oil since 2016. This expansion of oil palm cultivation has resulted in mass deforestation, vast biodiversity destruction and increasing net greenhouse gas emissions. One possible alternative is to produce a saturated oil, similar to palm, from microbes such as oleaginous yeast. The yeasts can be cultured on sugars derived from second-generation sources and do not compete with tropical forests for land. One highly promising oleaginous yeast for this application is Metschnikowia pulcherrima. However, recent techno-economic modeling has shown that cell lysis and standard lipid extraction are major contributors to the cost of the oil. Typical cell disruption techniques to extract either single cell oils or proteins have been based around bead-beating, homogenization and acid lysis. However, these can have a detrimental effect on lipid quality and are energy-intensive. In this study, a vortex separator, which produces high sheer with minimal energy input, was investigated as a potential low energy method of lysing cells. This was compared to four more traditional methods (thermal lysis, acid lysis, alkaline lysis, and osmotic lysis). For each method, the yeast loading was also examined at 1 g/L, 10 g/L and 100 g/L. The quality of the cell disruption was measured by optical cell density, cell counting and the particle size distribution profile comparison over a 2-hour period. This study demonstrates that the vortex separator is highly effective at lysing the cells and could potentially be used as a simple apparatus for lipid recovery in an oleaginous yeast process. The further development of this technology could potentially reduce the overall cost of microbial lipids in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=palm%20oil%20substitute" title="palm oil substitute">palm oil substitute</a>, <a href="https://publications.waset.org/abstracts/search?q=metschnikowia%20pulcherrima" title=" metschnikowia pulcherrima"> metschnikowia pulcherrima</a>, <a href="https://publications.waset.org/abstracts/search?q=cell%20disruption" title=" cell disruption"> cell disruption</a>, <a href="https://publications.waset.org/abstracts/search?q=cell%20lysis" title=" cell lysis"> cell lysis</a> </p> <a href="https://publications.waset.org/abstracts/136695/comparison-of-inexpensive-cell-disruption-techniques-for-an-oleaginous-yeast" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136695.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">205</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">1146</span> Evaluation of Negative Air Ions in Bioaerosol Removal: Indoor Concentration of Airborne Bacterial and Fungal in Residential Building in Qom City, Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Z.%20Asadgol">Z. Asadgol</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Nadali"> A. Nadali</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Arfaeinia"> H. Arfaeinia</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Khalifeh%20Gholi"> M. Khalifeh Gholi</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Fateh"> R. Fateh</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Fahiminia"> M. Fahiminia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present investigation was conducted to detect the type and concentrations of bacterial and fungal bioaerosols in one room (bedroom) of each selected residential building located in different regions of Qom during February 2015 (n=9) to July 2016 (n=11). Moreover, we evaluated the efficiency of negative air ions (NAIs) in bioaerosol reduction in indoor air in residential buildings. In the first step, the mean concentrations of bacterial and fungal in nine sampling sites evaluated in winter were 744 and 579 colony forming units (CFU)/m<sup>3</sup>, while these values were 1628.6 and 231 CFU/m<sup>3</sup> in the 11 sampling sites evaluated in summer, respectively. The most predominant genera between bacterial and fungal in all sampling sites were detected as <em>Micrococcus</em> spp. and <em>Staphylococcus</em> spp. and also, <em>Aspergillus</em> spp. and <em>Penicillium</em> spp., respectively. The 95% and 45% of sampling sites have bacterial and fungal concentrations over the recommended levels, respectively. In the removal step, we achieved a reduction with a range of 38% to 93% for bacterial genera and 25% to 100% for fungal genera by using NAIs. The results suggested that NAI is a highly effective, simple and efficient technique in reducing the bacterial and fungal concentration in the indoor air of residential buildings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacterial" title="bacterial">bacterial</a>, <a href="https://publications.waset.org/abstracts/search?q=fungal" title=" fungal"> fungal</a>, <a href="https://publications.waset.org/abstracts/search?q=negative%20air%20ions%20%28NAIs%29" title=" negative air ions (NAIs)"> negative air ions (NAIs)</a>, <a href="https://publications.waset.org/abstracts/search?q=indoor%20air" title=" indoor air"> indoor air</a>, <a href="https://publications.waset.org/abstracts/search?q=Iran" title=" Iran"> Iran</a> </p> <a href="https://publications.waset.org/abstracts/76068/evaluation-of-negative-air-ions-in-bioaerosol-removal-indoor-concentration-of-airborne-bacterial-and-fungal-in-residential-building-in-qom-city-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76068.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">403</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">1145</span> Preparation of Bacterial Cellulose Membranes from Nata de Coco for CO2/CH4 Separation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yanin%20Hosakun">Yanin Hosakun</a>, <a href="https://publications.waset.org/abstracts/search?q=Sujitra%20Wongkasemjit"> Sujitra Wongkasemjit</a>, <a href="https://publications.waset.org/abstracts/search?q=Thanyalak%20Chaisuwan"> Thanyalak Chaisuwan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carbon dioxide removal from natural gas is an important process because the existence of carbon dioxide in natural gas contributes to pipeline corrosion, reduces the heating value, and takes up volume in the pipeline. In this study, bacterial cellulose was chosen for the CO2/CH4 gas separation membrane due to its unique structure and prominent properties. Additionally, it can simply be obtained by culturing the bacteria so called “Acetobacter xylinum” through fermentation of coconut juice. Bacterial cellulose membranes with and without silver ions were prepared and studied for the separation performance of CO2 and CH4. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacterial%20cellulose" title="bacterial cellulose">bacterial cellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=CO2" title=" CO2"> CO2</a>, <a href="https://publications.waset.org/abstracts/search?q=CH4%20separation" title=" CH4 separation"> CH4 separation</a>, <a href="https://publications.waset.org/abstracts/search?q=membrane" title=" membrane"> membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=nata%20de%20coco" title=" nata de coco"> nata de coco</a> </p> <a href="https://publications.waset.org/abstracts/4084/preparation-of-bacterial-cellulose-membranes-from-nata-de-coco-for-co2ch4-separation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4084.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">252</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">1144</span> Applying Massively Parallel Sequencing to Forensic Soil Bacterial Profiling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hui%20Li">Hui Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Xueying%20Zhao"> Xueying Zhao</a>, <a href="https://publications.waset.org/abstracts/search?q=Ke%20Ma"> Ke Ma</a>, <a href="https://publications.waset.org/abstracts/search?q=Yu%20Cao"> Yu Cao</a>, <a href="https://publications.waset.org/abstracts/search?q=Fan%20Yang"> Fan Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Qingwen%20Xu"> Qingwen Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenbin%20Liu"> Wenbin Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Soil can often link a person or item to a crime scene, which makes it a valuable evidence in forensic casework. Several techniques have been utilized in forensic soil discrimination in previous studies. Because soil contains a vast number of microbiomes, the analyse of soil microbiomes is expected to be a potential way to characterise soil evidence. In this study, we applied massively parallel sequencing (MPS) to soil bacterial profiling on the Ion Torrent Personal Genome Machine (PGM). Soils from different regions were collected repeatedly. V-region 3 and 4 of Bacterial 16S rRNA gene were detected by MPS. Operational taxonomic units (OTU, 97%) were used to analyse soil bacteria. Several bioinformatics methods (PCoA, NMDS, Metastats, LEfse, and Heatmap) were applied in bacterial profiles. Our results demonstrate that MPS can provide a more detailed picture of the soil microbiomes and the composition of soil bacterial components from different region was individualistic. In conclusion, the utility of soil bacterial profiling via MPS of the 16S rRNA gene has potential value in characterising soil evidences and associating them with their place of origin, which can play an important role in forensic science in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacterial%20profiling" title="bacterial profiling">bacterial profiling</a>, <a href="https://publications.waset.org/abstracts/search?q=forensic" title=" forensic"> forensic</a>, <a href="https://publications.waset.org/abstracts/search?q=massively%20parallel%20sequencing" title=" massively parallel sequencing"> massively parallel sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20evidence" title=" soil evidence"> soil evidence</a> </p> <a href="https://publications.waset.org/abstracts/80561/applying-massively-parallel-sequencing-to-forensic-soil-bacterial-profiling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80561.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">563</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">1143</span> Anti-Oxidant and Anti-Bacterial Properties of Camellia sinensis, Tea Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rini%20Jarial">Rini Jarial</a>, <a href="https://publications.waset.org/abstracts/search?q=Puranjan%20Mishra"> Puranjan Mishra</a>, <a href="https://publications.waset.org/abstracts/search?q=Lakhveer%20Singh"> Lakhveer Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Sveta%20Thakur"> Sveta Thakur</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20W.%20Zularisam"> A. W. Zularisam</a>, <a href="https://publications.waset.org/abstracts/search?q=Mimi%20Sakinah"> Mimi Sakinah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the present study was to assess the biological properties of Camellia sinensis and to identify its functional compounds. The methanolic leaves-extract (MLE) of commercial green tea (Camellia sinensis) was assessed for anti-bacterial activities by measuring inhibition zones against a panel of pathogenic bacterial strains using agar diffusion method. The flavonoid (5.0 to 8.0 mg/ml) and protein content (10 to 15 mg/ml) of the MLE were recorded. MLE at a concentration of 25 μg/ml showed marked anti-bacterial activity against all bacterial strains (11-30 mm zone of inhibition) and was maximum against Staphylococcus aureus (30 mm). The MLE of Camellia sinensis had the best MIC values of 2.25 and 0.56 mg/ml against S. aureus and Enterobacter sp., respectively. The MLE also possessed good anti-lipolytic activity (65%) against a Porcine pancreatic lipase (PPL) and cholesterol oxidase inhibition (79%). The present study provided strong experimental evidences that the MLE of Camellia sinensis is not only a potent source of natural anti-oxidants and anti-bacterial activity but also possesses efficient cholesterol degradation and anti-lipolytic activities that might be beneficial in the body weight management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-oxidant" title="anti-oxidant">anti-oxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=anti-bacterial%20activity" title=" anti-bacterial activity"> anti-bacterial activity</a>, <a href="https://publications.waset.org/abstracts/search?q=anti-lipolytic%20activity" title=" anti-lipolytic activity"> anti-lipolytic activity</a>, <a href="https://publications.waset.org/abstracts/search?q=Camellia%20sinensis" title=" Camellia sinensis"> Camellia sinensis</a>, <a href="https://publications.waset.org/abstracts/search?q=phyto-chemicals" title=" phyto-chemicals"> phyto-chemicals</a> </p> <a href="https://publications.waset.org/abstracts/46770/anti-oxidant-and-anti-bacterial-properties-of-camellia-sinensis-tea-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46770.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">291</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">1142</span> On a Negative Relation between Bacterial Taxis and Turing Pattern Formation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Elragig">A. Elragig</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Townley"> S. Townley</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Dreiwi"> H. Dreiwi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper we introduce a bacteria-leukocyte model with bacteria chemotaxsis. We assume that bacteria develop a tactic defense mechanism as a response to Leukocyte phagocytosis. We explore the effect of this tactic motion on Turing space in two parameter spaces. A fine tuning of bacterial chemotaxis shows a significant effect on developing a non-uniform steady state. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemotaxis-diffusion%20driven%20instability" title="chemotaxis-diffusion driven instability">chemotaxis-diffusion driven instability</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20chemotaxis" title=" bacterial chemotaxis"> bacterial chemotaxis</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20biology" title=" mathematical biology"> mathematical biology</a>, <a href="https://publications.waset.org/abstracts/search?q=ecology" title=" ecology"> ecology</a> </p> <a href="https://publications.waset.org/abstracts/12873/on-a-negative-relation-between-bacterial-taxis-and-turing-pattern-formation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12873.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">368</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">1141</span> The Occurrence of Clavibacter michiganensis subsp. sepedonicus on Potato in South Sulawesi, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Baharuddin%20Patandjengi">Baharuddin Patandjengi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Pabborong"> A. Pabborong</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Kuswinanti"> T. Kuswinanti </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bacterial ring rot caused by a gram-positive Coryneform bacterium Corynebacterium michiganensis subsp. sepedonicus is an important disease on potato crops in the world. The disease still belongs to an A1 quarantine pathogen in Indonesia, although it was found in West Java since 2013. The objective of this study was to know the presence of bacterial ring rot in four potato district areas in South Sulawesi. Infected samples were collected from potato fields and storage warehouses in Enrekang, Gowa, Jeneponto and Bantaeng districts. Potato tuber samples were cut and observed their vasiculer vessels and the bacterial ooze was used for isolation on Nutrient Agar and Nutrient Broth–Yeast extract medium. Bacterial isolates were then morphologically and physiologically characterized. A patogenicity test on eggplant and molecular characterization using PCR with specific primer for Cms (50F and Cms 50 R) was revealed for further identification. The results showed that Cms has become widespread in four districts of South Sulawesi. The bacterial ringrot disease incidence in these districts was reached above 30 %. All of 14 bacterial isolates that identified before using standard methods of EPPO, showed DNA band in size of 224 bp in PCR test, which indicated positively belong to C. michiganensis subsp. sepedonicus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacterial%20ring%20rot" title="bacterial ring rot">bacterial ring rot</a>, <a href="https://publications.waset.org/abstracts/search?q=clavibacter%20michiganensis%20pv.%20sepedonicus" title=" clavibacter michiganensis pv. sepedonicus"> clavibacter michiganensis pv. sepedonicus</a>, <a href="https://publications.waset.org/abstracts/search?q=PCR" title=" PCR"> PCR</a>, <a href="https://publications.waset.org/abstracts/search?q=potato" title=" potato"> potato</a> </p> <a href="https://publications.waset.org/abstracts/36189/the-occurrence-of-clavibacter-michiganensis-subsp-sepedonicus-on-potato-in-south-sulawesi-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36189.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">334</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">1140</span> An Invertebrate-Type Lysozyme from Chinese Mitten Crab Eriocheir Sinensis: Cloning and Characterization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fengmei%20Li">Fengmei Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Li%20Xu"> Li Xu</a>, <a href="https://publications.waset.org/abstracts/search?q=Guoliang%20Xia"> Guoliang Xia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lysozyme is a catalytic enzyme that performs bacterial cell lysis by cleaving the β-1,4-glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine of peptidoglycan in cell walls. In the present study, an invertebrate-type (i-type) lysozyme gene was cloned from Chinese mitten crab Eriocheir sinensis (designated as EsLysozyme) based on PCR-based rapid amplification of cDNA ends (RACE) technology. The full-length cDNA of EsLysozyme was of 831 bp. SMART and SIGNALP 3.0 program analysis revealed that EsLysozyme contained a signal peptide and a destabilase domain. The five amino acid residues (Tyr63, Trp64, Tyr91, His110, Pro114) and the conserved motif GSLSCG(P/Y)FQI and CL(E/L/R/H)C(I/M)C in i-type lysozymes were also found in EsLysozyme. The high similarity of EsLysozyme with L. vannamei lysozymes and phylogenetic analysis suggested that EsLysozyme should be a new member of i-type lysozyme family. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=i-type%20lysozyme" title="i-type lysozyme">i-type lysozyme</a>, <a href="https://publications.waset.org/abstracts/search?q=Eriocheir%20sinensis" title=" Eriocheir sinensis"> Eriocheir sinensis</a>, <a href="https://publications.waset.org/abstracts/search?q=cloning" title=" cloning"> cloning</a>, <a href="https://publications.waset.org/abstracts/search?q=characterization" title=" characterization"> characterization</a> </p> <a href="https://publications.waset.org/abstracts/3986/an-invertebrate-type-lysozyme-from-chinese-mitten-crab-eriocheir-sinensis-cloning-and-characterization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3986.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">1139</span> Comparison between Conventional Bacterial and Algal-Bacterial Aerobic Granular Sludge Systems in the Treatment of Saline Wastewater</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Philip%20Semaha">Philip Semaha</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhongfang%20Lei"> Zhongfang Lei</a>, <a href="https://publications.waset.org/abstracts/search?q=Ziwen%20Zhao"> Ziwen Zhao</a>, <a href="https://publications.waset.org/abstracts/search?q=Sen%20Liu"> Sen Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhenya%20Zhang"> Zhenya Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuya%20Shimizu"> Kazuya Shimizu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The increasing generation of saline wastewater through various industrial activities is becoming a global concern for activated sludge (AS) based biological treatment which is widely applied in wastewater treatment plants (WWTPs). As for the AS process, an increase in wastewater salinity has negative impact on its overall performance. The advent of conventional aerobic granular sludge (AGS) or bacterial AGS biotechnology has gained much attention because of its superior performance. The development of algal-bacterial AGS could enhance better nutrients removal, potentially reduce aeration cost through symbiotic algae-bacterial activity, and thus, can also reduce overall treatment cost. Nonetheless, the potential of salt stress to decrease biomass growth, microbial activity and nutrient removal exist. Up to the present, little information is available on saline wastewater treatment by algal-bacterial AGS. To the authors’ best knowledge, a comparison of the two AGS systems has not been done to evaluate nutrients removal capacity in the context of salinity increase. This study sought to figure out the impact of salinity on the algal-bacterial AGS system in comparison to bacterial AGS one, contributing to the application of AGS technology in the real world of saline wastewater treatment. In this study, the salt concentrations tested were 0 g/L, 1 g/L, 5 g/L, 10 g/L and 15 g/L of NaCl with 24-hr artificial illuminance of approximately 97.2 µmol m¯²s¯¹, and mature bacterial and algal-bacterial AGS were used for the operation of two identical sequencing batch reactors (SBRs) with a working volume of 0.9 L each, respectively. The results showed that salinity increase caused no apparent change in the color of bacterial AGS; while for algal-bacterial AGS, its color was progressively changed from green to dark green. A consequent increase in granule diameter and fluffiness was observed in the bacterial AGS reactor with the increase of salinity in comparison to a decrease in algal-bacterial AGS diameter. However, nitrite accumulation peaked from 1.0 mg/L and 0.4 mg/L at 1 g/L NaCl in the bacterial and algal-bacterial AGS systems, respectively to 9.8 mg/L in both systems when NaCl concentration varied from 5 g/L to 15 g/L. Almost no ammonia nitrogen was detected in the effluent except at 10 g/L NaCl concentration, where it averaged 4.2 mg/L and 2.4 mg/L, respectively, in the bacterial and algal-bacterial AGS systems. Nutrients removal in the algal-bacterial system was relatively higher than the bacterial AGS in terms of nitrogen and phosphorus removals. Nonetheless, the nutrient removal rate was almost 50% or lower. Results show that algal-bacterial AGS is more adaptable to salinity increase and could be more suitable for saline wastewater treatment. Optimization of operation conditions for algal-bacterial AGS system would be important to ensure its stably high efficiency in practice. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=algal-bacterial%20aerobic%20granular%20sludge" title="algal-bacterial aerobic granular sludge">algal-bacterial aerobic granular sludge</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20aerobic%20granular%20sludge" title=" bacterial aerobic granular sludge"> bacterial aerobic granular sludge</a>, <a href="https://publications.waset.org/abstracts/search?q=Nutrients%20removal" title=" Nutrients removal"> Nutrients removal</a>, <a href="https://publications.waset.org/abstracts/search?q=saline%20wastewater" title=" saline wastewater"> saline wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=sequencing%20batch%20reactor" title=" sequencing batch reactor"> sequencing batch reactor</a> </p> <a href="https://publications.waset.org/abstracts/111942/comparison-between-conventional-bacterial-and-algal-bacterial-aerobic-granular-sludge-systems-in-the-treatment-of-saline-wastewater" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111942.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">148</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">1138</span> Visual Detection of Escherichia coli (E. coli) through Formation of Beads Aggregation in Capillary Tube by Rolling Circle Amplification</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bo%20Ram%20Choi">Bo Ram Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji%20Su%20Kim"> Ji Su Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Juyeon%20Cho"> Juyeon Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyukjin%20Lee"> Hyukjin Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Food contaminated by bacteria (E.coli), causes food poisoning, which occurs to many patients worldwide annually. We have introduced an application of rolling circle amplification (RCA) as a versatile biosensor and developed a diagnostic platform composed of capillary tube and microbeads for rapid and easy detection of Escherichia coli (E. coli). When specific mRNA of E.coli is extracted from cell lysis, rolling circle amplification (RCA) of DNA template can be achieved and can be visualized by beads aggregation in capillary tube. In contrast, if there is no bacterial pathogen in sample, no beads aggregation can be seen. This assay is possible to detect visually target gene without specific equipment. It is likely to the development of a genetic kit for point of care testing (POCT) that can detect target gene using microbeads. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rolling%20circle%20amplification%20%28RCA%29" title="rolling circle amplification (RCA)">rolling circle amplification (RCA)</a>, <a href="https://publications.waset.org/abstracts/search?q=Escherichia%20coli%20%28E.%20coli%29" title=" Escherichia coli (E. coli)"> Escherichia coli (E. coli)</a>, <a href="https://publications.waset.org/abstracts/search?q=point%20of%20care%20testing%20%28POCT%29" title=" point of care testing (POCT)"> point of care testing (POCT)</a>, <a href="https://publications.waset.org/abstracts/search?q=beads%20aggregation" title=" beads aggregation"> beads aggregation</a>, <a href="https://publications.waset.org/abstracts/search?q=capillary%20tube" title=" capillary tube"> capillary tube</a> </p> <a href="https://publications.waset.org/abstracts/72639/visual-detection-of-escherichia-coli-e-coli-through-formation-of-beads-aggregation-in-capillary-tube-by-rolling-circle-amplification" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72639.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">365</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">1137</span> Understanding the Common Antibiotic and Heavy Metal Resistant-Bacterial Load in the Textile Industrial Effluents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Afroza%20Parvin">Afroza Parvin</a>, <a href="https://publications.waset.org/abstracts/search?q=Md.%20Mahmudul%20Hasan"> Md. Mahmudul Hasan</a>, <a href="https://publications.waset.org/abstracts/search?q=Md.%20Rokunozzaman"> Md. Rokunozzaman</a>, <a href="https://publications.waset.org/abstracts/search?q=Papon%20Debnath"> Papon Debnath</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effluents of textile industries have considerable amounts of heavy metals, causing potential microbial metal loads if discharged into the environment without treatment. Aim: In this present study, both lactose and non-lactose fermenting bacterial isolates were isolated from textile industrial effluents of a specific region of Bangladesh, named Savar, to compare and understand the load of heavy metals in these microorganisms determining the effects of heavy metal resistance properties on antibiotic resistance. Methods: Five different textile industrial canals of Savar were selected, and effluent samples were collected in 2016 between June to August. Total bacterial colony (TBC) was counted for day 1 to day 5 for 10-6 dilution of samples to 10-10 dilution. All the isolates were isolated and selected using 4 differential media, and tested for the determination of minimum inhibitory concentration (MIC) of heavy metals and antibiotic susceptibility test with plate assay method and modified Kirby-Bauer disc diffusion method, respectively. To detect the combined effect of heavy metals and antibiotics, a binary exposure experiment was performed, and to understand the plasmid profiling plasmid DNA was extracted by alkaline lysis method of some selective isolates. Results: Most of the cases, the colony forming units (CFU) per plate for 50 ul diluted sample were uncountable at 10-6 dilution, however, countable for 10-10 dilution and it didn’t vary much from canal to canal. A total of 50 Shigella, 50 Salmonella, and 100 E.coli (Escherichia coli) like bacterial isolates were selected for this study where the MIC was less than or equal to 0.6 mM for 100% Shigella and Salmonella like isolates, however, only 3% E. coli like isolates had the same MIC for nickel (Ni). The MIC for chromium (Cr) was less than or equal to 2.0 mM for 16% Shigella, 20% Salmonella, and 17% E. coli like isolates. Around 60% of both Shigella and Salmonella, but only 20% of E.coli like isolates had a MIC of less than or equal to 1.2 mM for lead (Pb). The most prevalent resistant pattern for azithromycin (AZM) for Shigella and Salmonella like isolates was found 38% and 48%, respectively; however, for E.coli like isolates, the highest pattern (36%) was found for sulfamethoxazole-trimethoprim (SXT). In the binary exposure experiment, antibiotic zone of inhibition was mostly increased in the presence of heavy metals for all types of isolates. The highest sized plasmid was found 21 Kb and 14 Kb for lactose and non-lactose fermenting isolates, respectively. Conclusion: Microbial resistance to antibiotics and metal ions, has potential health hazards because these traits are generally associated with transmissible plasmids. Microorganisms resistant to antibiotics and tolerant to metals appear as a result of exposure to metal-contaminated environments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antibiotics" title="antibiotics">antibiotics</a>, <a href="https://publications.waset.org/abstracts/search?q=effluents" title=" effluents"> effluents</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title=" heavy metals"> heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20inhibitory%20concentration" title=" minimum inhibitory concentration"> minimum inhibitory concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance" title=" resistance"> resistance</a> </p> <a href="https://publications.waset.org/abstracts/115154/understanding-the-common-antibiotic-and-heavy-metal-resistant-bacterial-load-in-the-textile-industrial-effluents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/115154.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">315</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">1136</span> Intracellular Strategies for Gene Delivery into Mammalian Cells Using Bacteria as a Vector</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kumaran%20Narayanan">Kumaran Narayanan</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20N.%20Osahor"> Andrew N. Osahor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> E. coli has been engineered by our group and by others as a vector to deliver DNA into cultured human and animal cells. However, so far conditions to improve gene delivery using this vector have not been investigated, resulting in a major gap in our understanding of the requirements for this vector to function optimally. Our group recently published novel data showing that simple addition of the DNA transfection reagent Lipofectamine increased the efficiency of the E. coli vector by almost 3-fold, providing the first strong evidence that further optimization of bactofection is possible. This presentation will discuss advances that demonstrate the effects of several intracellular strategies that improve the efficiency of this vector. Conditions that promote endosomal escape of internalized bacteria to evade lysosomal destruction after entry in the cell, a known obstacle limiting this vector, are elucidated. Further, treatments that increase bacterial lysis so that the vector can release its transgene into the mammalian environment for expression will be discussed. These experiments will provide valuable new insight to advance this E. coli system as an important class of vector technology for genetic correction of human disease models in cells and whole animals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DNA" title="DNA">DNA</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20coli" title=" E. coli"> E. coli</a>, <a href="https://publications.waset.org/abstracts/search?q=gene%20expression" title=" gene expression"> gene expression</a>, <a href="https://publications.waset.org/abstracts/search?q=vector" title=" vector"> vector</a> </p> <a href="https://publications.waset.org/abstracts/45408/intracellular-strategies-for-gene-delivery-into-mammalian-cells-using-bacteria-as-a-vector" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45408.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">358</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">1135</span> In situ Biodegradation of Endosulfan, Imidacloprid, and Carbendazim Using Indigenous Bacterial Cultures of Agriculture Fields of Uttarakhand, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Geeta%20Negi">Geeta Negi</a>, <a href="https://publications.waset.org/abstracts/search?q=Pankaj"> Pankaj</a>, <a href="https://publications.waset.org/abstracts/search?q=Anjana%20Srivastava"> Anjana Srivastava</a>, <a href="https://publications.waset.org/abstracts/search?q=Anita%20Sharma"> Anita Sharma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, the presence of endosulfan, imidacloprid, carbendazim, in the soil /vegetables/cereals and water samples was observed in agriculture fields of Uttarakhand. In view of biodegradation of these pesticides, nine bacterial isolates were recovered from the soil samples of the fields which tolerated endosulfan, imidacloprid, carbendazim from 100 to 200 µg/ml. Three bacterial consortia used for in vitro bioremediation experiments were three bacterial isolates for carbendazim, imidacloprid and endosulfan, respectively. Maximum degradation (87 and 83%) of α and β endosulfan respectively was observed in soil slurry by consortium. Degradation of Imidacloprid and carbendazim under similar conditions was 88.4 and 77.5% respectively. FT-IR analysis of biodegraded samples of pesticides in liquid media showed stretching of various bonds. GC-MS of biodegraded endosulfan sample in soil slurry showed the presence of non-toxic intermediates. A pot trial with Bacterial treatments lowered down the uptake of pesticides in onion plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodegradation" title="biodegradation">biodegradation</a>, <a href="https://publications.waset.org/abstracts/search?q=carbendazim" title=" carbendazim"> carbendazim</a>, <a href="https://publications.waset.org/abstracts/search?q=consortium" title=" consortium"> consortium</a>, <a href="https://publications.waset.org/abstracts/search?q=endosulfan" title=" endosulfan"> endosulfan</a> </p> <a href="https://publications.waset.org/abstracts/6122/in-situ-biodegradation-of-endosulfan-imidacloprid-and-carbendazim-using-indigenous-bacterial-cultures-of-agriculture-fields-of-uttarakhand-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6122.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">374</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">1134</span> Bacterial Profiling and Development of Molecular Diagnostic Assays for Detection of Bacterial Pathogens Associated with Bovine mastitis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aqeela%20Ashraf">Aqeela Ashraf</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Imran"> Muhammad Imran</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahir%20Yaqub"> Tahir Yaqub</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Tayyab"> Muhammad Tayyab</a>, <a href="https://publications.waset.org/abstracts/search?q=Yung%20Fu%20Chang"> Yung Fu Chang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For the identification of bovine mastitic pathogen, an economical, rapid and sensitive molecular diagnostic assay is developed by PCR multiplexing of gene and pathogenic species specific DNA sequences. The multiplex PCR assay is developed for detecting nine important bacterial pathogens causing mastitis Worldwide. The bacterial species selected for this study are Streptococcus agalactiae, Streptococcus dysagalactiae, Streptococcus uberis, Staphylococcus aureus, Escherichia coli, Staphylococcus haemolyticus, Staphylococcus chromogenes Mycoplasma bovis and Staphylococcus epidermidis. A single reaction assay was developed and validated by 27 reference strains and further tested on 276 bacterial strains obtained from culturing mastitic milk. The multiplex PCR assay developed here is further evaluated by applying directly on genomic DNA isolated from 200 mastitic milk samples. It is compared with bacterial culturing method and proved to be more sensitive, rapid, economical and can specifically identify 9 bacterial pathogens in a single reaction. It has detected the pathogens in few culture negative mastitic samples. Recognition of disease is the foundation of disease control and prevention. This assay can be very helpful for maintaining the udder health and milk monitoring. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multiplex%20PCR" title="multiplex PCR">multiplex PCR</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria" title=" bacteria"> bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=mastitis" title=" mastitis"> mastitis</a>, <a href="https://publications.waset.org/abstracts/search?q=milk" title=" milk"> milk</a> </p> <a href="https://publications.waset.org/abstracts/58424/bacterial-profiling-and-development-of-molecular-diagnostic-assays-for-detection-of-bacterial-pathogens-associated-with-bovine-mastitis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58424.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">330</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">1133</span> Enhanced Decolourization and Biodegradation of Textile Azo and Xanthene Dyes by Using Bacterial Isolates </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gimhani%20Madhushika%20Hewayalage">Gimhani Madhushika Hewayalage</a>, <a href="https://publications.waset.org/abstracts/search?q=Thilini%20Ariyadasa"> Thilini Ariyadasa</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanja%20Gunawardena"> Sanja Gunawardena</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Sri Lanka, the largest contribution for the industrial export earnings is governed by textile and apparel industry. However, this industry generates huge quantities of effluent consists of unfixed dyes which enhance the effluent colour and toxicity thereby leading towards environmental pollution. Therefore, the effluent should properly be treated prior to the release into the environment. The biological technique has now captured much attention as an environmental-friendly and cost-competitive effluent decolourization method due to the drawbacks of physical and chemical treatment techniques. The present study has focused on identifying dye decolourizing potential of several bacterial isolates obtained from the effluent of the local textile industry. Yellow EXF, Red EXF, Blue EXF, Nova Black WNN and Nylosan-Rhodamine-EB dyes have been selected for the study to represent different chromophore groups such as Azo and Xanthene. The rates of decolorization of each dye have been investigated by employing distinct bacterial isolates. Bacterial isolate which exhibited effective dye decolorizing potential was identified as Proteus mirabilis using 16S rRNA gene sequencing analysis. The high decolorizing rates of identified bacterial strain indicate its potential applicability in the treatment of dye-containing wastewaters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=azo" title="azo">azo</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial" title=" bacterial"> bacterial</a>, <a href="https://publications.waset.org/abstracts/search?q=biological" title=" biological"> biological</a>, <a href="https://publications.waset.org/abstracts/search?q=decolourization" title=" decolourization"> decolourization</a>, <a href="https://publications.waset.org/abstracts/search?q=xanthene" title=" xanthene"> xanthene</a> </p> <a href="https://publications.waset.org/abstracts/60653/enhanced-decolourization-and-biodegradation-of-textile-azo-and-xanthene-dyes-by-using-bacterial-isolates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60653.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">252</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">1132</span> Enhanced Degradation of Endosulfan in Soil Using Lycopersicon esculentum L. (Tomato) and Endosulfan Tolerant Bacterium Strains</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rupa%20Rani">Rupa Rani</a>, <a href="https://publications.waset.org/abstracts/search?q=Vipin%20Kumar"> Vipin Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Endosulfan, an organochlorine pesticide is of environmental concern due to its apparent persistence and toxicity. It has been reported as contaminants in soil, air, and water and is bioaccumulated and magnified in ecosystems. The combined use of microorganisms and plants has great potential for remediating soil contaminated with organic compounds such as pesticides. The objective of this study was to evaluate whether the bacterial inoculation influences plant growth promotion, endosulfan degradation in soil and endosulfan accumulation in different plant parts. Lycopersicon esculentum L. (Tomato) was grown in endosulfan spiked soil and inoculated with endosulfan tolerant bacterial strains. Endosulfan residues from different parts of plants and soil were extracted and estimated by using gas chromatograph equipped with 63Ni electron capture detector (GC-ECD). The inoculation of bacterial strains into the soil with plants showed a beneficial effect on endosulfan degradation and plant biomass production. Maximum endosulfan (90%) degradation was observed after 120 days of bacterial inoculation in the soil. Furthermore, there was significantly less endosulfan accumulation in roots and shoots of bacterial strains inoculated plants as compared to uninoculated plants. The results show the effectiveness of inoculated endosulfan tolerant bacterial strains to increase the remediation of endosulfan contaminated soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=organochlorine%20pesticides" title="organochlorine pesticides">organochlorine pesticides</a>, <a href="https://publications.waset.org/abstracts/search?q=endosulfan" title=" endosulfan"> endosulfan</a>, <a href="https://publications.waset.org/abstracts/search?q=degradation" title=" degradation"> degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=plant-bacteria%20partnerships" title=" plant-bacteria partnerships"> plant-bacteria partnerships</a> </p> <a href="https://publications.waset.org/abstracts/104417/enhanced-degradation-of-endosulfan-in-soil-using-lycopersicon-esculentum-l-tomato-and-endosulfan-tolerant-bacterium-strains" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104417.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">1131</span> Electrochemical Impedance Spectroscopy Based Label-Free Detection of TSG101 by Electric Field Lysis of Immobilized Exosomes from Human Serum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nusrat%20Praween">Nusrat Praween</a>, <a href="https://publications.waset.org/abstracts/search?q=Krishna%20Thej%20Pammi%20Guru"> Krishna Thej Pammi Guru</a>, <a href="https://publications.waset.org/abstracts/search?q=Palash%20Kumar%20Basu"> Palash Kumar Basu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Designing non-invasive biosensors for cancer diagnosis is essential for developing an affordable and specific tool to measure cancer-related exosome biomarkers. Exosomes, released by healthy as well as cancer cells, contain valuable information about the biomarkers of various diseases, including cancer. Despite the availability of various isolation techniques, ultracentrifugation is the standard technique that is being employed. Post isolation, exosomes are traditionally exposed to detergents for extracting their proteins, which can often lead to protein degradation. Further to this, it is very essential to develop a sensing platform for the quantification of clinically relevant proteins in a wider range to ensure practicality. In this study, exosomes were immobilized on the Au Screen Printed Electrode (SPE) using EDC/NHS chemistry to facilitate binding. After immobilizing the exosomes on the screen-printed electrode (SPE), we investigated the impact of the electric field by applying various voltages to induce exosome lysis and release their contents. The lysed solution was used for sensing TSG101, a crucial biomarker associated with various cancers, using both faradaic and non-faradaic electrochemical impedance spectroscopy (EIS) methods. The results of non-faradaic and faradaic EIS were comparable and showed good consistency, indicating that non-faradaic sensing can be a reliable alternative. Hence, the non-faradaic sensing technique was used for label-free quantification of the TSG101 biomarker. The results were validated using ELISA. Our electrochemical immunosensor demonstrated a consistent response of TSG101 from 125 pg/mL to 8000 pg/mL, with a detection limit of 0.125 pg/mL at room temperature. Additionally, since non-faradic sensing is label-free, the ease of usage and cost of the final sensor developed can be reduced. The proposed immunosensor is capable of detecting the TSG101 protein at low levels in healthy serum with good sensitivity and specificity, making it a promising platform for biomarker detection. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biosensor" title="biosensor">biosensor</a>, <a href="https://publications.waset.org/abstracts/search?q=exosomes%20isolation%20on%20SPE" title=" exosomes isolation on SPE"> exosomes isolation on SPE</a>, <a href="https://publications.waset.org/abstracts/search?q=electric%20field%20lysis%20of%20exosome" title=" electric field lysis of exosome"> electric field lysis of exosome</a>, <a href="https://publications.waset.org/abstracts/search?q=EIS%20sensing%20of%20TSG101" title=" EIS sensing of TSG101"> EIS sensing of TSG101</a> </p> <a href="https://publications.waset.org/abstracts/186112/electrochemical-impedance-spectroscopy-based-label-free-detection-of-tsg101-by-electric-field-lysis-of-immobilized-exosomes-from-human-serum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186112.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">46</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">1130</span> Effects of Marinating with Cashew Apple Extract on the Bacterial Growth of Beef and Chicken Meat</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Susanti">S. Susanti</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20P.%20Bintoro"> V. P. Bintoro</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Setiadi"> A. Setiadi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20I.%20Santoso"> S. I. Santoso</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20R.%20Febriandi"> D. R. Febriandi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Meat is a foodstuff of animal origin. It is perishable because a suitable medium for bacterial growth. That is why meat can be a potential hazard to humans. Several ways have been done to inhibit bacterial population in an effort to prolong the meat shelf-life. However, aberration sometimes happens in the practices of meat preservation, for example by using chemical material that possessed strong antibacterial activity like formaldehyde. For health reason, utilization of formaldehyde as a food preservative was forbidden because of DNA damage resulting cancer and birth defects. Therefore, it is important to seek a natural food preservative that is not harmful to the body. This study aims to reveal the potency of cashew apple as natural food preservative by measuring its antibacterial activity and marinating effect on the bacterial growth of beef and chicken meat. Antibacterial activity was measured by The Kirby-Bauer method while bacterial growth was determined by total plate count method. The results showed that inhibition zone of 10-30% cashew apple extract significantly wider compared to 0% extract on the medium of E. coli, S. aureus, S. typii, and Bacillus sp. Furthermore, beef marinated with 20-30% cashew apple extract and chicken meat marinated with 5-15% extract significantly less in the total number of bacteria compared to 0% extract. It can be concluded that marinating with 5-30% cashew apple extract can effectively inhibit the bacterial growth of beef and chicken meat. Moreover, the concentration of extracts to inhibit bacterial populations in chicken meat was reached at the lower level compared to beef. Thus, cashew apple is potential as a natural food preservative. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacterial%20growth" title="bacterial growth">bacterial growth</a>, <a href="https://publications.waset.org/abstracts/search?q=cashew%20apple" title=" cashew apple"> cashew apple</a>, <a href="https://publications.waset.org/abstracts/search?q=marinating" title=" marinating"> marinating</a>, <a href="https://publications.waset.org/abstracts/search?q=meat" title=" meat"> meat</a> </p> <a href="https://publications.waset.org/abstracts/51485/effects-of-marinating-with-cashew-apple-extract-on-the-bacterial-growth-of-beef-and-chicken-meat" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51485.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">276</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">1129</span> Effect of Aeration on Bacterial Cellulose (BC) Production by Gluconacetobacter xylinus DSM46604 in Batch Fermentation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Azila%20Adnan">Azila Adnan</a>, <a href="https://publications.waset.org/abstracts/search?q=Giridhar%20R.%20Nair"> Giridhar R. Nair</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20C.%20Lay"> Mark C. Lay</a>, <a href="https://publications.waset.org/abstracts/search?q=Janis%20E.%20Swan"> Janis E. Swan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of aeration on bacterial cellulose (BC) production by Gluconacetobacter xylinus DSM46604 was studied in 5-L bioreactor. Four aeration rates were applied (0.3, 0.6, 1.0 and 1.5 vvm) in the fermentation media at constant agitation rate, 150 rpm. One vvm enhanced BC concentration (4.4 g/L) and productivity (0.44 g/L/day) while greater agitation rate (1.5 vvm) decreased BC concentration (4.0 g/L) and productivity (0.40 g/L/day). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aeration" title="aeration">aeration</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20cellulose" title=" bacterial cellulose"> bacterial cellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=fermentation" title=" fermentation"> fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=gluconacetobacter%20xylinus" title=" gluconacetobacter xylinus"> gluconacetobacter xylinus</a> </p> <a href="https://publications.waset.org/abstracts/37713/effect-of-aeration-on-bacterial-cellulose-bc-production-by-gluconacetobacter-xylinus-dsm46604-in-batch-fermentation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37713.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">427</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">1128</span> Parallel among Urinary Tract Infection in Diabetic and Non-Diabetic Patients: A Case Study </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> </p> <p class="card-text"><strong>Abstract:</strong></p> This study detects the bacterial species that responsible for UTI in both diabetic patients and non-diabetic patients, Jordan. 116 urine samples were investigated in order to determine UTI-causing bacteria. These samples distributed unequally between diabetic male (12) and diabetic female (25) and also non-diabetic male (13) and non-diabetic female (66). The results represent that E.coli is responsible for UTI in both diabetic and non-diabetic patients (15.5% and 29.3% respectively) with large proportion (44.8%). This study showed that not all bacterial species that isolated from the non-diabetic sample could be isolated from diabetic samples. E. coli (15.5%), P. aeruginosa (4.3%), K. pneumonia (1.7%), P. mirabilis (2.6%), S. marcescens (0.9%), S. aureus (1.7%), S. pyogenes (1.7%), E. faecalis (0.9%), S. epidermidis (1.7%) and S. saprophyticus (0.9%). But E. aerogenes, E. cloacae, C. freundii, A. baumannii and B. subtilis are five bacterial species that can’t isolate from all diabetic samples. This study shows that for the treatment of UTI in both diabetic and non-diabetic patients, Chloramphenicol (30 μg), Ciprofloxacin (5 μg) and Vancomycin (30 μg) are more favorable than other antibiotics. In the same time, Cephalothin (30μg) is not recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=urinary%20tract%20infections" title="urinary tract infections">urinary tract infections</a>, <a href="https://publications.waset.org/abstracts/search?q=diabetes%20mellitus" title=" diabetes mellitus"> diabetes mellitus</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20species" title=" bacterial species"> bacterial species</a>, <a href="https://publications.waset.org/abstracts/search?q=infections" title=" infections"> infections</a> </p> <a href="https://publications.waset.org/abstracts/66558/parallel-among-urinary-tract-infection-in-diabetic-and-non-diabetic-patients-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66558.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">327</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">1127</span> Effects of the Type of Soil on the Efficiency of a Bioremediation Dispositive by Using Bacterium Hydrocarbonoclastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amel%20Bouderhem">Amel Bouderhem</a>, <a href="https://publications.waset.org/abstracts/search?q=Aminata%20Ould%20El%20Hadj%20Khelil"> Aminata Ould El Hadj Khelil</a>, <a href="https://publications.waset.org/abstracts/search?q=Amina%20N.%20Djrarbaoui"> Amina N. Djrarbaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Aroussi%20Aroussi"> Aroussi Aroussi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present work aims to find the influence of the nature of the soil on the effectiveness of the biodegradation of hydrocarbons by a mixture of bacterial strains hydrocarbonoclastes. Processes of bioaugmentation and biostimulation trial are applied to samples of soils polluted voluntarily by the crude oil. For the evaluation of the biodegradation of hydrocarbons, the bacterial load, the pH and organic carbon total are followed in the different experimental batches. He bacterial load of the sandy soil varies among the witnesses of 45,2 .108 CFU/ml at the beginning of the experimentation to 214,07.108 CFU/ml at the end of the experiment. Of the soil silty-clay varies between 103,31 .108 CFU/ml and 614,86.108 CFU/ml . It was found a strong increase in the bacterial biomass during the processing of all samples. This increase is more important in the samples of sand bioaugmente or biomass increased from 63.16 .108 CFU/ml to 309.68 .108 CFU/ml than in soil samples silty clay- bioaugmente whose content in bacteria evolved of 73,01 .108 CFU/ml to 631.80 . 108CFU/ml <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pollution" title="pollution">pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrocarbons" title=" hydrocarbons"> hydrocarbons</a>, <a href="https://publications.waset.org/abstracts/search?q=bioremediation" title=" bioremediation"> bioremediation</a>, <a href="https://publications.waset.org/abstracts/search?q=bacteria%20hydrocarbonoclastes" title=" bacteria hydrocarbonoclastes"> bacteria hydrocarbonoclastes</a>, <a href="https://publications.waset.org/abstracts/search?q=ground" title=" ground"> ground</a>, <a href="https://publications.waset.org/abstracts/search?q=texture" title=" texture"> texture</a> </p> <a href="https://publications.waset.org/abstracts/24509/effects-of-the-type-of-soil-on-the-efficiency-of-a-bioremediation-dispositive-by-using-bacterium-hydrocarbonoclastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24509.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">474</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">1126</span> Influence of Bacterial Motility on Biofilm Formation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Li%20Cheng">Li Cheng</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhang%20Yilei"> Zhang Yilei</a>, <a href="https://publications.waset.org/abstracts/search?q=Cohen%20Yehuda"> Cohen Yehuda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Two motility mechanisms were introduced into iDynoMiCs software, which adopts an individual-based modeling method. Based on the new capabilities, along with the pressure motility developed before, influence of bacterial motility on biofilm formation was studied. Simulation results were evaluated both qualitatively through 3D structure inspections and quantitatively by parameter characterizations. It was showed that twitching motility increased the biofilm surface irregularity probably due to movement of cells towards higher nutrient concentration location whereas free motility, on the other hand, could make biofilms flatter and smoother relatively. Pressure motility showed no significant influence in this study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=iDynoMics" title="iDynoMics">iDynoMics</a>, <a href="https://publications.waset.org/abstracts/search?q=biofilm%20structure" title=" biofilm structure"> biofilm structure</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20motility" title=" bacterial motility"> bacterial motility</a>, <a href="https://publications.waset.org/abstracts/search?q=motility%20mechanisms" title=" motility mechanisms"> motility mechanisms</a> </p> <a href="https://publications.waset.org/abstracts/12773/influence-of-bacterial-motility-on-biofilm-formation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12773.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">390</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">1125</span> Effect of Fiddler Crab Burrows on Bacterial Communities of Mangrove Sediments</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mokhtari">Mohammad Mokhtari</a>, <a href="https://publications.waset.org/abstracts/search?q=Gires%20Usup"> Gires Usup</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaidi%20Che%20Cob"> Zaidi Che Cob</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bacteria communities as mediators of the biogeochemical process are the main component of the mangrove ecosystems. Crab burrows by increasing oxic-anoxic interfaces and facilitating the flux rate between sediment and tidal water affect biogeochemical properties of sediments. The effect of fiddler crab burrows on the density and diversity of bacteria were investigated to elucidate the effect of burrow on bacterial distribution. Samples collected from the burrow walls of three species of fiddler crabs including Uca paradussumieri, Uca rosea, and Uca forcipata. Sediment properties including grain size, temperature, Redox potential, pH, chlorophyll, water and organic content were measured from the burrow walls to assess the correlation between environmental variables and bacterial communities. Bacteria were enumerated with epifluorescence microscopy after staining with SYBR green. Bacterial DNA extracted from sediment samples and the community profiles of bacteria were determined with Terminal Restriction Fragment Length Polymorphism (T-RFLP). High endemism was observed among bacterial communities. Among the 152 observed OTU’s, 22 were found only in crab burrows. The highest bacterial density and diversity were recorded in burrow wall. The results of ANOSIM indicated a significant difference between the bacterial communities from the three species of fiddler crab burrows. Only 3% of explained bacteria variability in the constrained ordination model of CCA was contributed to depth, while much of the bacteria’s variability was attributed to coarse sand, pH, and chlorophyll content. Our findings suggest that crab burrows by affecting sediment properties such as redox potential, pH, water, and chlorophyll content induce significant effects on the bacterial communities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioturbation" title="bioturbation">bioturbation</a>, <a href="https://publications.waset.org/abstracts/search?q=canonical%20corresponding%20analysis" title=" canonical corresponding analysis"> canonical corresponding analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=fiddler%20crab" title=" fiddler crab"> fiddler crab</a>, <a href="https://publications.waset.org/abstracts/search?q=microbial%20ecology" title=" microbial ecology"> microbial ecology</a> </p> <a href="https://publications.waset.org/abstracts/84600/effect-of-fiddler-crab-burrows-on-bacterial-communities-of-mangrove-sediments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84600.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">1124</span> Development of Antibacterial Surface Based on Bio-Inspired Hierarchical Surface</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.Ayazi">M.Ayazi</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Golshan%20Ebrahimi"> N. Golshan Ebrahimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of antibacterial surface has devoted extensive researches and important field due to the growing antimicrobial resistance strains. The superhydrophobic surface has raised attention because of reducing bacteria adhesion in the absence of antibiotic agents. Evaluating the current development antibacterial surface has to be investigating to consider the potential of applying superhydrophobic surface to reduce bacterial adhesion or role of patterned surfaces on it. In this study, we present different samples with bio-inspired hierarchical and microstructures to consider their ability in reducing bacterial adhesion. The structures have inspired from rice-like pattern and lotus-leaf that developed on the polydimethylsiloxane (PDMS) and polypropylene (PP). The results of the attachment behaviors have considered on two bacteria strains of gram-negative Escherichia coli (E. coli) bacteria and gram-positive Staphylococcus aureus (S. aureus). The reduction of bacteria adhesion on these roughness surfaces demonstrated the effectiveness of rinsing ability on removing bacterial cells on structured plastic surfaces. Results have also offered the important role of bacterial species, material chemistry and hierarchical structure to prevent bacterial adhesion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hierarchical%20structure" title="hierarchical structure">hierarchical structure</a>, <a href="https://publications.waset.org/abstracts/search?q=self-cleaning" title=" self-cleaning"> self-cleaning</a>, <a href="https://publications.waset.org/abstracts/search?q=lotus-effect" title=" lotus-effect"> lotus-effect</a>, <a href="https://publications.waset.org/abstracts/search?q=bactericidal" title=" bactericidal"> bactericidal</a> </p> <a href="https://publications.waset.org/abstracts/98682/development-of-antibacterial-surface-based-on-bio-inspired-hierarchical-surface" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98682.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">136</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">1123</span> Biodegradation of Direct Red 23 by Bacterial Consortium Isolated from Dye Contaminated Soil Using Sequential Air-lift Bioreactor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lata%20Kumari%20Dhanesh%20Tiwary">Lata Kumari Dhanesh Tiwary</a>, <a href="https://publications.waset.org/abstracts/search?q=Pradeep%20Kumar%20Mishra"> Pradeep Kumar Mishra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effluent coming from various industries such as textile, carpet, food, pharmaceutical and many other industries is big challenge due to its recalcitrant and xenobiotiocs in nature. Recently, biodegradation of dye wastewater through biological means was widely used due to eco-friendly and cost effective with the higher percentage of removal of dye from wastewater. The present study deals with the biodegradation and decolourization of Direct Red 23 dye using indigenously isolated bacterial consortium. The bacterial consortium was isolated from soil sample from dye contaminated site near a cluster of Carpet industries of Bhadohi, Uttar Pradesh, India. The bacterial strain formed consortia were identified and characterized by morphological, biochemical and 16S rRNA gene sequence analysis. The bacterial strain mainly Staphylococcus saprophyticus strain BHUSS X3 (KJ439576), Microbacterium sp. BHUMSp X4 (KJ740222) and Staphylococcus saprophyticus strain BHUSS X5 (KJ439576) were used as consortia for further studies of dye decolorization. Experimental investigations were made in a Sequencing Air- lift bioreactor using the synthetic solution of Direct Red 23 dye by optimizing various parameters for efficient degradation of dye. The effect of several operating parameters such as flow rate, pH, temperature, initial dye concentration and inoculums size on removal of dye was investigated. The efficiency of isolated bacterial consortia from dye contaminated area in Sequencing Air- lift Bioreactor with different concentration of dye between 100-1200 mg/l at different hydraulic rate (HRTs) 26h and 10h. The maximum percentage of dye decolourization 98% was achieved when operated at HRT of 26h. The percentage of decolourization of dye was confirmed by using UV-Vis spectrophotometer and HPLC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carpet%20industry" title="carpet industry">carpet industry</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20consortia" title=" bacterial consortia"> bacterial consortia</a>, <a href="https://publications.waset.org/abstracts/search?q=sequencing%20air-lift%20bioreactor" title=" sequencing air-lift bioreactor"> sequencing air-lift bioreactor</a> </p> <a href="https://publications.waset.org/abstracts/38570/biodegradation-of-direct-red-23-by-bacterial-consortium-isolated-from-dye-contaminated-soil-using-sequential-air-lift-bioreactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38570.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">337</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">1122</span> Use of Fruit Beetles, Waxworms Larvae and Tiger Worms in Waste Conditioning for Composting</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Waleed%20S.%20Alwaneen">Waleed S. Alwaneen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In many countries, cow dung is used as farm manure and for biogas production. Several bacterial strains associated with cow dung such as <em>Campylobacter</em>, <em>Salmonella</em> sp. and <em>Escherichia</em> <em>coli</em> cause serious human diseases. The objective of the present study was to investigate the use of insect larvae including fruit beetle, waxworms and tiger worms to improve the breakdown of agricultural wastes and reduce their pathogen loads. Fresh cow faeces were collected from a cattle farm and distributed into plastic boxes (100 g/box). Each box was provided with 10 larvae of fruit beetle, Waxworms and Tiger worms, respectively. There were 3 replicates in each treatment including the control. Bacteria were isolated weekly from both control and cow faeces to which larvae were added to determine the bacterial populations. Results revealed that the bacterial load was higher in the cow faeces treated with fruit beetles than in the control, while the bacterial load was lower in the cow faeces treated with waxworms and tiger worms than in the control. The activities of the fruit beetle larvae led to the cow faeces being liquefied which provided a more conducive growing media for bacteria. Therefore, higher bacterial load in the cow faeces treated with fruit beetle might be attributed to the liquefaction of cow faeces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fruit%20beetle" title="fruit beetle">fruit beetle</a>, <a href="https://publications.waset.org/abstracts/search?q=waxworms" title=" waxworms"> waxworms</a>, <a href="https://publications.waset.org/abstracts/search?q=tiger%20worms" title=" tiger worms"> tiger worms</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20conditioning" title=" waste conditioning"> waste conditioning</a>, <a href="https://publications.waset.org/abstracts/search?q=composting" title=" composting"> composting</a> </p> <a href="https://publications.waset.org/abstracts/73415/use-of-fruit-beetles-waxworms-larvae-and-tiger-worms-in-waste-conditioning-for-composting" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73415.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">250</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=bacterial%20lysis&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=bacterial%20lysis&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=bacterial%20lysis&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=bacterial%20lysis&page=5">5</a></li> <li class="page-item"><a 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