Suspended Clay Inhibits the Growth of Harmful Algal Bloom-fo

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Suspended Clay Inhibits the Growth of Harmful Algal Bloom-fo | 123327</title> <meta name="keywords" content="Katherine Tomaska1,2, Guanju Wei1, Sam Nguyen , Judy Q. Yang1*, Harmful algal blooms; Microcystis; Clay; Suspended sediment; Encapsulation; Cell density"/> <meta name="description" content="Many theories exist to predict the growth of Microcystis, one major type of toxic freshwater cyanobacteria that form harmful algal blooms. ..123327"/> <meta name="citation_publisher" content="Walsh Medical Media" /> <meta name="citation_journal_title" content="Journal of Microbial & Biochemical Technology"> <meta name="citation_title" content="Suspended Clay Inhibits the Growth of Harmful Algal Bloom-forming Freshwater Cyanobacteria through Physical Interactions"> <meta name="citation_author" content="Katherine Tomaska1" /> <meta name="citation_author" content="2" /> <meta name="citation_author" content="Guanju Wei1" /> <meta name="citation_author" content="Sam Nguyen" /> <meta name="citation_author" content="Judy Q. Yang1" /> <meta name="citation_year" content="2023"> <meta name="citation_volume" content="15"> <meta name="citation_issue" content="5"> <meta name="citation_doi" content="10.35248/1948-5948.23.15.578"> <meta name="citation_issn" content="1948-5948"> <meta name="citation_publication_date" content="2023/09/21" /> <meta name="citation_firstpage" content="1"> <meta name="citation_lastpage" content="5"> <meta name="citation_abstract" content="Many theories exist to predict the growth of Microcystis, one major type of toxic freshwater cyanobacteria that form harmful algal blooms. However, the impacts of suspended particles, which are ubiquitous in freshwater, on Microcystis growth have not been fully understood. Here, we show that smectite clay can inhibit the growth of Microcystis aeruginosa through physical clay-cell interactions. We grow M. aeruginosa under identical growth conditions in three nutrient solutions: one pure solution, one with synthetic and transparent clay, and another one chemically modified by clay but with clay particles removed. Cells in pure solution and chemically-modified solution grow equally well, while cells in solutions with the physical presence of clay do not grow nor produce pigments. Microscopic imaging of clay-cell interactions suggests that the inhibition of the growth of M. aeruginosa by clay is due to the physical encapsulation of cells in clay. This previous unappreciated mechanism, the inhibition of cell growth due to encapsulation by clay, is likely widely present in natural aquatic environment where suspended clay and microbial cells are common."> <meta name="citation_fulltext_html_url" content="https://www.walshmedicalmedia.com/open-access/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions-123327.html"> <meta name="citation_pdf_url" content="https://www.walshmedicalmedia.com/open-access/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions.pdf"> <meta name="citation_abstract_html_url" content="https://www.walshmedicalmedia.com/abstract/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions-123327.html"> <meta itemprop="name" content="Walsh Medical Media" /> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta 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Care </a></li> <li><i class="fa fa-angle-right"></i><a href="https://www.walshmedicalmedia.com/pharmaceutical-sciences-journals.html" title="Click here"> Pharmaceutical Sciences </a></li> </ul> </div> <div class="card-footer custom-card-footer text-end"> <a href="https://www.walshmedicalmedia.com/open-access-journals-list.html">View More <i class="fa fa-long-arrow-right" aria-hidden="true"></i></a> </div> </div>  </div> <div class="col-lg-9"> <h2 class="mt-3">Abstract</h2> <h3>Suspended Clay Inhibits the Growth of Harmful Algal Bloom-forming Freshwater Cyanobacteria through Physical Interactions</h3> <p> <i class="fas fa-user"></i> <a href='/author/katherine-tomaska-52694' class='latest_link_author' title='Katherine Tomaska'>Katherine Tomaska</a>, <a href='/author/guanju-wei-53075' class='latest_link_author' title='Guanju Wei'>Guanju Wei</a>, <a href='/author/sam-nguyen-53076' class='latest_link_author' title='Sam Nguyen'>Sam Nguyen</a> and <a href='/author/judy-q-yang-53077' class='latest_link_author' title='Judy Q. Yang'>Judy Q. Yang</a>* </p> <p><p>Many theories exist to predict the growth of Microcystis, one major type of toxic freshwater cyanobacteria that form harmful algal blooms. However, the impacts of suspended particles, which are ubiquitous in freshwater, on Microcystis growth have not been fully understood. Here, we show that smectite clay can inhibit the growth of Microcystis aeruginosa through physical clay-cell interactions. We grow M. aeruginosa under identical growth conditions in three nutrient solutions: one pure solution, one with synthetic and transparent clay, and another one chemically modified by clay but with clay particles removed. Cells in pure solution and chemically-modified solution grow equally well, while cells in solutions with the physical presence of clay do not grow nor produce pigments. Microscopic imaging of clay-cell interactions suggests that the inhibition of the growth of M. aeruginosa by clay is due to the physical encapsulation of cells in clay. This previous unappreciated mechanism, the inhibition of cell growth due to encapsulation by clay, is likely widely present in natural aquatic environment where suspended clay and microbial cells are common.</p></p> <p class="mb-1 font-size-3 text-muted"> <b>Published Date: </b> 2023-09-21; <b>Received Date: </b>2023-08-21</p> <nav class="nav a-pl-0"> <a href="https://www.walshmedicalmedia.com/open-access/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions-123327.html" title="Click here" class="nav-link text-danger"><i class="fas fa-file-code"></i> HTML</a> <a href="https://www.walshmedicalmedia.com/open-access/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions.pdf" title="Click here" class="nav-link text-success"><i class="fas fa-file-pdf"></i> PDF</a> </nav> <div class="nav social-icons align-items-center"> <p class="m-0">Share this article:</p> <a class="nav-link" title="Click here" target="_blank" rel="noopener" href="https://www.facebook.com/sharer.php?u=https://www.walshmedicalmedia.com/abstract/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions-123327.html"><i class="fab fa-facebook-f"></i></a> <a class="nav-link" title="Click here" target="_blank" rel="noopener" href="https://twitter.com/share?url=https://www.walshmedicalmedia.com/abstract/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions-123327.html"><i class="fab fa-twitter"></i></a> <a class="nav-link" title="Click here" target="_blank" rel="noopener" href="https://www.linkedin.com/shareArticle?mini=true&url=https://www.walshmedicalmedia.com/abstract/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions-123327.html"><i class="fab fa-linkedin-in"></i></a> <a class="nav-link" title="Click here" target="_blank" rel="noopener" href="https://plus.google.com/share?url=https://www.walshmedicalmedia.com/abstract/suspended-clay-inhibits-the-growth-of-harmful-algal-bloomforming-freshwater-cyanobacteria-through-physical-interactions-123327.html"><i class="fab fa-google-plus-g"></i></a> </div> </div> </div> </div> </section>   <div class="whatup"> <ul> <li><a href="tel:+44 1687550021">+44 1687550021 <i class="fab fa-whatsapp" aria-hidden="true"></i></a></li> </ul> </div> <section> <footer> <div class="custom-footer"> <div class="container"> <div class="row"> <div class="col-md-3 md-margin-bottom-40"> <a download="" href="/"><img id="logo-footer" src="/assets/images/footer-logo.png" alt="Walsh Medical Media" width="220px;"></a> <p class="py-3">Walsh Medical Media is a global leader in open access publishing, dedicated to advancing the frontiers of science and technology. 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