by Mark O. Martin
Matters Microbial is a podcast about the wonders of microbiology, microbiologists, and microbial centrism with Dr. Mark Martin
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8/7/2023
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April 24, 2025
<header class="entry-header clearfix"> <h1 class="entry-title">Matters Microbial #88: Microbial Interactions in Cystic Fibrosis</h1> <span class="mini-title">April 24, 2025</span></header> <div class="entry-content"> <p><strong>Today, Dr. Reed Stubbendieck, Assistant Professor of Microbiology & Molecular Genetics at Oklahoma State University joins the #QualityQuorum to discuss how microbes and the host communicate with one another in the cystic fibrosis lung.</strong></p> <p>Host: <a href= "https://www.pugetsound.edu/directory/mark-martin"><strong>Mark O. Martin</strong></a></p> <p>Guest: <strong><a title="" href= "https://kleinerlab.cals.ncsu.edu/">Reed Stubbendieck</a></strong></p> <p>Subscribe: <strong><a href= "https://podcasts.apple.com/us/podcast/matters-microbial/id1701545625"> Apple Podcasts</a>, <a href= "https://open.spotify.com/show/22BQtkxh56Dy7xRW7yAYvC?si=4c093f07fdaa4e27">Spotify</a></strong></p> <p>Become a <a href= "https://www.microbe.tv/contribute">patron</a> of Matters Microbial!</p> <h3 id="links-for-this-episode" class="wp-block-heading">Links for this episode</h3> <ul class="wp-block-list"> <li>An <a href= "https://www.mayoclinic.org/diseases-conditions/cystic-fibrosis/diagnosis-treatment/drc-20353706">overview</a> of cystic fibrosis as a disease with a <a href= "https://learn.genetics.utah.edu/content/genetics/cysticfibrosis/">genetic</a> link.</li> <li>A <a href= "https://pmc.ncbi.nlm.nih.gov/articles/PMC9451016/">review</a> of the microbiome of the cystic fibrosis lung.</li> <li>An <a href= "https://www.nature.com/articles/nrmicro.2016.94">overview</a> of biofilms.</li> <li>An interesting <a href= "https://pubmed.ncbi.nlm.nih.gov/11859186/">role</a> for extracellular DNA itself as a “building block” of biofilms.</li> <li>An <a href= "https://www.frontiersin.org/journals/cellular-and-infection-microbiology/articles/10.3389/fcimb.2023.1295063/full">overview</a> of polymicrobial communities.</li> <li>Life in mucus—an interesting <a href= "https://asm.org/articles/2024/february/why-mucus-phlegm-matter-health-disease">essay</a>.</li> <li>An <a href= "https://www.ncbi.nlm.nih.gov/books/NBK557831/">overview</a> of Pseudomonas aeruginosa.</li> <li>Pseudomonas and the <a href= "https://www.nature.com/articles/s41579-019-0284-4">siderophore</a> pigment <a href="https://journals.asm.org/doi/10.1128/iai.48.1.130-138.1985">pyoverdin</a> which is not only about iron, but also bacterial conflict and cooperation. </li> <li>An interesting <a href= "https://imgge.bg.ac.rs/en/research-groups/microbiology-plant-biology/sociomicrobiology">overview</a> of microbe-microbe interactions, often called “sociomicrobiology,” and an i<a href= "https://www.the-scientist.com/how-bacterial-communities-divvy-up-duties-71138">ntroductory article</a> on this topic.</li> <li>A <a href= "https://pmc.ncbi.nlm.nih.gov/articles/PMC8459095/">review</a> of the nasal microbiome.</li> <li>The organism <a href= "https://journals.asm.org/doi/10.1128/msystems.00161-20">Rothia</a>, understudied and of interest to Dr. Stubbendieck’s research group. </li> <li>Some <a href= "https://www.stubbendiecklab.com/files/Stubbendieck%20et%20al.%20-%202023%20-%20mBio.pdf">work</a> from Dr. Stubbendieck’s group describing how Rothia is helpful in inhibiting some disease causing bacteria.</li> <li>The organism <a href= "https://journals.asm.org/doi/10.1128/msphere.00852-20">Dolosigranulum pigrum</a>, also understudied and of interest to Dr. Stubbendieck’s research group.</li> <li>More <a href= "https://www.stubbendiecklab.com/files/Stubbendieck%20et%20al.%20-%202024%20-%20PLOS%20Pathogens.pdf">work</a> from Dr. Stubbendieck’s group with another possibly probiotic bacterium, Dolosigranulum pigrum, that may protect against disease causing microbes.</li> <li> Dr. Stubbendieck’s <a href= "https://experts.okstate.edu/stubbendieck">faculty website</a>.</li> <li>Dr. Stubbendieck’s very interesting <a href= "https://www.stubbendiecklab.com/">research group website</a>. </li> </ul> <p>Intro music is by Reber Clark</p> <p>Send your questions and comments to [email protected]</p> </div>
April 17, 2025
<header class="entry-header clearfix"> <h1 class="entry-title">Matters Microbial #87: Dietary Protein and the Microbiome</h1> <span class="mini-title">April 17, 2025</span></header> <div class="entry-content"> <p>Today, Dr. Manuel Kleiner, Associate Professor of Microbiomes and Complex Microbial Communities at North Carolina State University, joins the #QualityQuorum to discuss how diet can influence the microbiome in fascinating ways.</p> <p>Host: <a href= "https://www.pugetsound.edu/directory/mark-martin"><strong>Mark O. Martin</strong></a></p> <p>Guest: <strong><a title="" href= "https://kleinerlab.cals.ncsu.edu/">Manuel Kleiner</a></strong></p> <p>Subscribe: <strong><a href= "https://podcasts.apple.com/us/podcast/matters-microbial/id1701545625"> Apple Podcasts</a>, <a href= "https://open.spotify.com/show/22BQtkxh56Dy7xRW7yAYvC?si=4c093f07fdaa4e27">Spotify</a></strong></p> <p>Become a <a href= "https://www.microbe.tv/contribute">patron</a> of Matters Microbial!</p> <h3 id="links-for-this-episode" class="wp-block-heading">Links for this episode</h3> <ul class="wp-block-list"> <li>An <a href= "https://microbiologyjournal.org/pink-pigmented-facultative-methylotrophs-ppfms-potential-bioinoculants-for-sustainable-crop-production/">overview</a> of “pink pigmented facultative methylotrophs,” which can lead to wonderful “<a href= "https://link.springer.com/article/10.1007/s00203-025-04280-9">leaf prints</a>.”</li> <li><a href= "https://pubmed.ncbi.nlm.nih.gov/31096878/">Gnotobiotic</a> versus “<a href= "https://pmc.ncbi.nlm.nih.gov/articles/PMC5006193/#:~:text=Figure%201.&text=Germ%2Dfree%20(GF)%20mice,brain%20barrier%20(BBB)%20integrity.">germ-free</a>” animals.</li> <li>A solid review of the <a href= "https://www.nature.com/articles/s41579-020-0433-9">gut microbiome</a> and the relationship to health.</li> <li>An <a href= "https://microbiomejournal.biomedcentral.com/articles/10.1186/s40168-019-0704-8">article</a> describing how proteins are digested by the microbiota.</li> <li>A <a href= "https://www.sciencedirect.com/science/article/pii/S1369527422000200">description</a> of glycan degrading enzymes and the gut microbiome.</li> <li>An overview of <a href= "https://pmc.ncbi.nlm.nih.gov/articles/PMC8442341/#:~:text=Mucins%20are%20characterized%20by%20their,family%20nomenclature%20often%20appear%20confusing.">mucin</a>.</li> <li>Description of <a href= "https://journals.asm.org/doi/10.1128/msystems.00115-19">metaproteomics</a> by Dr. Kleiner.</li> <li>Description of <a href= "https://www.ncbi.nlm.nih.gov/books/NBK54011/">metagenomics</a>.</li> <li>Gut microbiota and <a href= "https://pmc.ncbi.nlm.nih.gov/articles/PMC8954387/">dysbiosis</a>.</li> <li>An overview of <a href= "https://www.mayoclinic.org/diseases-conditions/inflammatory-bowel-disease/symptoms-causes/syc-20353315">inflammatory bowel disease</a>.</li> <li>An <a href= "https://www.pharmacytimes.com/view/bacteroidetes-the-jekyll-and-hyde-of-the-human-gut-microbiome">overview</a> of Bacteroides thetaiotaomicron.</li> <li>An <a href= "https://observatoireprevention.org/en/2023/03/27/akkermansia-muciniphila-an-essential-bacterium-for-maintaining-good-health/">overview</a> of Akkermansia muciniphila.</li> <li>The <a href= "https://isappscience.org/episode-32-microbes-and-mucus/#:~:text=Bifidobacteria%20increase%20mucus%20production.,so%20mucus%20production%20is%20suppressed.">possibility</a> of microbes “farming” us for mucus!</li> <li>The wide ranging and deeply fascinating website for Dr. Kleiner’s <a href="https://kleinerlab.cals.ncsu.edu/">research group</a>.</li> <li>Dr. Kleiner’s <a href= "https://cals.ncsu.edu/plant-and-microbial-biology/people/mkleine/">faculty website</a>.</li> </ul> <p>Intro music is by Reber Clark</p> <p>Send your questions and comments to [email protected]</p> </div>
April 10, 2025
<header class="entry-header clearfix"> <h1 class="entry-title">Matters Microbial #86: Intraterrestrials — the Strangest Life on, and in, the Earth</h1> <span class="mini-title">April 10, 2025</span></header> <div class="entry-content"> <p>Today, Dr. Karen Lloyd, Professor of Earth Science at the University of Southern California, joins the #QualityQuorum to discuss her upcoming book Intraterrestrials (Princeton University Press). Dr. Lloyd will describe the 25 year journey she and her coworkers have had exploring microbial life deep underground, and even less likely places.</p> <p>Host: <a href= "https://www.pugetsound.edu/directory/mark-martin"><strong>Mark O. Martin</strong></a></p> <p>Guest: <strong><a title="" href= "https://lloydlab.utk.edu/">Karen Lloyd</a></strong></p> <p>Subscribe: <strong><a href= "https://podcasts.apple.com/us/podcast/matters-microbial/id1701545625"> Apple Podcasts</a>, <a href= "https://open.spotify.com/show/22BQtkxh56Dy7xRW7yAYvC?si=4c093f07fdaa4e27">Spotify</a></strong></p> <p>Become a <a href= "https://www.microbe.tv/contribute">patron</a> of Matters Microbial!</p> <h3 id="links-for-this-episode" class="wp-block-heading">Links for this episode</h3> <ul class="wp-block-list"> <li>The upcoming <a href= "https://press.princeton.edu/books/hardcover/9780691236117/intraterrestrials?srsltid=AfmBOoone62ecMiX37ZrT4wFzdE_ORt42yWIr04nwfHtyOl2hIeq_8UR">book</a>, Intraterrestrials, by Dr. Lloyd.</li> <li>Definition of the term “<a href= "https://www.newscientist.com/article/mg15721245-000/">intraterrestrial</a>.”</li> <li>An interesting <a href= "https://pubmed.ncbi.nlm.nih.gov/10731600/">review article</a> on intraterrestrial microbes.</li> <li>An video <a href= "https://youtu.be/ygutnM6xzRE?si=SYRKd_Slvml7_hPC">overview</a> of extremophiles.</li> <li>An overview of the new field of <a href= "https://www.sciencedirect.com/topics/earth-and-planetary-sciences/geomicrobiology">geomicrobiology</a>.</li> <li>A <a href= "https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=0608517311fcade3fae40a722863d198477c47fc">definition</a> of “SLiME”s (subsurface lithoautotrophic microbial ecosystem).</li> <li>An <a href= "https://academic.oup.com/ismej/article/18/1/wrae091/7680289">article</a> on microbial communities found deep underground.</li> <li>An article on “<a href= "https://phys.org/news/2025-04-scientists-microbes-earth-deep-soil.html">just underground</a>” microbial communities that was just published.</li> <li>Remembering <a href= "https://asm.org/articles/2023/august/katrina-edwards-uncovering-microbes-in-the-deep-bi">Dr. Katrina Edwards</a>.</li> <li>Microbial communities in <a href= "https://www.nature.com/articles/s41467-018-05020-y">New Zealand hot springs</a>.</li> <li><a href= "https://www.nature.com/articles/s41467-021-21218-z">Radiolytic</a> microbial communities.</li> <li>Photosynthesis by cyanobacteria via <a href= "https://www.pnas.org/doi/10.1073/pnas.0503674102">deep infrared light</a> at hydrothermal vents (without sunlight).</li> <li>Microbes living under extreme acidic conditions: the famed “<a href= "https://www.nature.com/articles/ismej201674">snottites</a>.”</li> <li>Microbes living under extreme alkaline conditions: <a href= "https://pmc.ncbi.nlm.nih.gov/articles/PMC6305446/">NPL-UPL2</a>.</li> <li>How <a href= "https://www.nature.com/articles/s41467-019-08719-8#:~:text=Abstract,to%20survive%20deep%20starvation%20conditions.">slowly</a> can microbes <a href= "https://www.cell.com/trends/microbiology/fulltext/S0966-842X(23)00331-1">divide</a>?</li> <li>A fascinating <a href= "https://www.ted.com/talks/karen_lloyd_the_mysterious_microbes_living_deep_inside_the_earth_and_how_they_could_help_humanity?language=en">video</a> by Dr. Lloyd.</li> <li><a href= "https://dornsife.usc.edu/wrigley/2025/02/27/biogeochemist-karen-lloyd-studies-deep-ocean-microbes-joins-wrigley-institute-usc-faculty/"> Introducing</a> Dr. Lloyd in her new position at the University of Southern California (an excellent overview of her work).</li> <li>Dr. Lloyd’s <a href= "https://dornsife.usc.edu/profile/karen-lloyd/">faculty website</a>.</li> <li>Dr. Lloyd’s <a href="http://lloydlab.utk.edu/">research group website</a>.</li> </ul> <p>Intro music is by Reber Clark</p> <p>Send your questions and comments to [email protected]</p> </div>
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