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Matters Microbial

Podcast Matters Microbial
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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  • Matters Microbial #76:  Marvelous Multicellular Magnetotactic Microbes!
    Matters Microbial #76:  Marvelous Multicellular Magnetotactic Microbes! January 29, 2025 Today, Dr. George Schaible, Postdoctoral Scholar at the University of California, Santa Barbara, joins the #QualityQuorum to discuss the exciting work he did during his PhD to unravel a fascinating topic:  multicellular magnetotactic microbes!   Host: Mark O. Martin Guest: George Schaible Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode What is a postdoctoral scholar in microbiology?  A previous #MattersMicrobial podcast about giant bacteria from Dr. Esther Angert.   A previous #MattersMicrobial podcast about magnetotactic bacteria from Dr. Arash Komeili. A previous #MattersMicrobial podcast about multicellularity in microbes from Dr Will Ratcliff.   The transformative Microbial Diversity Course at the Marine Biological Labs at Woods Hole, Massachusetts. An article describing the value of the Microbial Diversity Course.  I wrote this blog post on Chlorochromatium aggregatum consortium for Small Things Considered many years ago.   The “pink berry” consortium at Woods Hole. A research paper on genetic interactions within the pink berry consortium, coauthored by a former undergraduate researcher of mine, Dr. Danielle Campbell.  Yes, I am very proud. A strategy to easily enrich for magnetotactic bacteria from nature. Here is a video that informs and amuses.   An early report of multicellular magnetotactic microbes. The research article under discussion in today’s podcast. A link to Dr. Roland Hatzenpichler’s laboratory website (Dr. Hatzenpichler was the originator of this research, all the way back to his own attending the Microbial Diversity Course.). The deeply strange genome(s) of Achromatium. An introduction to nanoSIMS technology. An introduction to stable isotope probing. The laboratory website of Dr. Jean-Marie Volland, where Dr. Schaible works at UC Santa Barbara Intro music is by Reber Clark Send your questions and comments to [email protected]
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  • Matters Microbial #75: Do Gut Microbes Watch their Carbs?
    Matters Microbial #75: Do Gut Microbes Watch their Carbs?   January 22, 2025 Today, Dr. Darrell Cockburn, Associate Professor of Food Science at Penn State, joins the #QualityQuorum to discuss the work his research group has done exploring how starches and other polysaccharides are used by the gut microbiome.  Host: Mark O. Martin Guest: Darrell Cockburn Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode An overview of dietary fiber in the diet. A primer on the structure of starch and cellulose. An overview on starch granules. The concept of food gelatinazation. An overview of “resistant” starch. How Febreze works! The concept of the glycemic index of foods. An article about resistant starch and colon microbiota.  Another article on this topic. A primer on carbohydrate binding modules. An article describing the role of short chain fatty acids in digestion. An article suggesting that there is no perfect microbiome. An interesting article from Dr. Cockburns research group showing that microbes can work together to digest resistant starch. Dr. Cockburn’s academic website. Intro music is by Reber Clark Send your questions and comments to [email protected]
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  • Matters Microbial #74: Podcasting to Combat Microbial Misinformation
    Matters Microbial #74: Podcasting to Combat Microbial Misinformation January 16, 2025 Today, Dr. Jessica Coates of the Biology Department at Spelman College joins the #QualityQuorum to discuss her work combating microbial misinformation in the classroom and to share her journey to the microbial sciences.   Host: Mark O. Martin Guest: Jessica Coates Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode A short talk I gave at ASM some time ago about Louis Pasteur and the term “germ.” An organization devoted to promoting microbial literacy. An example of using podcasting to increase learning outcomes in the STEM classroom. An example of using podcasts by scientists to promote learning by students. The interesting story of Spelman College. An interview with Dr. Coates. The academic website of Dr. Coates. Intro music is by Reber Clark Send your questions and comments to [email protected]
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  • Matters Microbial #73: Seeing the Microbiome
    Matters Microbial #73: Seeing the Microbiome January 8, 2025 Today, Dr. Travis Wiles, Assistant Professor of Molecular Biology and Biochemistry at the University of California, Irvine, joins the #QualityQuorum to discuss the work he and his research group have done to visualize the changing dynamics of the gut microbiome—including bacteriophages residing there.  Host: Mark O. Martin Guest: Travis Wiles Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode Dr Anne Estes’ academic website is found here, along with her blog, and her social media link on Bluesky.  So many interesting ideas! Transgenic zebrafish as pets are called GLOfish. Use of zebrafish as a model system for developmental biology. An article exploring the effects of the microbiome on gnotobiotic (“germ free”) zebrafish. An essay on both lytic and lysogenic bacteriophages. An essay describing how bacteriophage interact with the gut microbiota.  One of my former undergraduate research students, Dr. Danielle Campbell, works in this area! An article suggesting that bacteriophage do in fact interact with eukaryotic cells. The concept of phage conversion:  how some bacteriophages carry bacterial genes, including toxin genes. An article about bacteriophages and bacterial evolution. An article about the study of the zebrafish gut microbiome. An article about research with zebrafish and Mycobacterium.  The article discussed in this episode by Dr. Wiles’ group: “Phollow: Visualizing Gut Bacteriophage Transmission within Microbial Communities and Living Animals .”    Dr. Wiles’ academic website. Dr. Wiles’ very colorful and interesting laboratory group website. Intro music is by Reber Clark Send your questions and comments to [email protected]
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  • Matters Microbial #72: Who is in Your Water?
    Matters Microbial #72: Who is in Your Water? January 2, 2025 Today, Dr. Ameet Pinto, Carlton S. Wilder Associate Professor in Civil and Environmental Engineering at the Georgia Institute of Technology, joins the #QualityQuorum to discuss the microbiome of drinking water and how it can be used to optimize safety and health.  Host: Mark O. Martin Guest: Ameet Pinto Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode A short review of a famous article by Dr. Norman Pace about the microbiome of showers and how microbial populations differed due to chlorination. An old discussion of microbial oligotrophy:  the ability to survive on very low levels of nutrients. The story of John Snow, a water fountain, and cholera in England. The concept of “Live/Dead” staining of microbes. An overview of the concept of metagenomics. An article on the microbiome of shower hoses. A public science outreach program to study the microbiome of showerheads. The Instagram link for Dr. Pinto’s wonderful cat, Nessie. A great book describing exceptions to Mendelian genetics using cats:  “Cats Are Not Peas.”  Highly recommended. An article about water supplies and the pathogenic microbe Legionella. An overview of water disinfection techniques. An introduction to a model system of a microbial soil community, called THOR by Jo Handelsman and colleagues. Thinking of water treatment and related technologies as a series of ecological niches, via Tom Curtis and Bill Sloane. Dr. Pinto’s faculty website. Dr. Pinto’s deeply fascinating research group website. Intro music is by Reber Clark Send your questions and comments to [email protected]
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