Matters Microbial

Mark O. Martin
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Matters Microbial is a podcast about the wonders of microbiology, microbiologists, and microbial centrism with Dr. Mark Martin

  1. 1월 26일

    Jumbo Marine Viruses and Nanoscopic Warfare

    Matters Microbial #122: Jumbo Marine Viruses and Nanoscopic Warfare January 26, 2026   Today Dr. Alaina Weinheimer, Simons Foundation Postdoctoral Fellow in Marine Microbial Ecology at the Bigelow Laboratory for Ocean Sciences, joins the #QualityQuorum to discuss new and intriguing marine viruses, including Jumbo Phages!    Host: Mark O. Martin Guest: Alaina Weinheimer   Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode A video overview of the wonderful world of bacterial viruses, or bacteriophages. A review article describing the roles that bacterial viruses can play in ecology. A description of changes in viral taxonomy, leading to the "realms" concept. An overview of "jumbo phages." Dr. Weinheimer's concept of "wumbology" from the cartoon "Spongebob Squarepants." An article describing host defenses found within bacteriophage genomes. An article by Dr. Weinheimer and colleagues describing lysogeny as a "plastic trait," and the possibility that all bacterial viruses can integrate into host genomes. The Bigelow Laboratory for Ocean Sciences website. The Bigelow Laboratory multimedia site. The webpage for the "Single Cell Genomics Center" at the Bigelow Laboratory. An article by Dr. Weinheimer and colleagues on exploring marine "jumbo phages." Marine "jumbo phages" blogpost for novice micronauts. An article about finding uridine within viral DNA genomes. Dr. Weinheimer's five minute talk about her research—highly recommended. The "Oceans on Tap" Facebook page describing marine biological research at the Bigelow Laboratory.. The Simons Foundation website (which has sadly eliminated the postdoctoral fellowship awarded to Dr. Weinheimer for her work). Dr. Weinheimer's personal website, including background and research interests. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    1시간 6분

  2. 1월 8일

    Phollowing Phage in the Gut Microbiome

    Matters Microbial #121: Phollowing Phage in the Gut Microbiome January 7, 2026 Today Dr. Liz de Ora Ortiz, postdoctoral scholar in the Secor Laboratory at Montana State University, joins the #QualityQuorum to discuss a fascinating new technology that allows investigators to follow bacteriophage infections in live animals.   Host: Mark O. Martin Guest: Liz de Ora Ortiz Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode The fascinating and frustrating (for researchers like me) story of Vampirococcus. A Vampirococcus summary for new #Micronauts. An overview of Agrobacterium, a bacterium about which all micronauts should know (think about genetic engineering in agriculture!). The story of Pelagibacter, very probably the most abundant organism on Earth.    The story of Akkermansia, and its impact on metabolic health and the gut microbiome. An important essay by the late Dr. Elio Schaechter regarding paradigm shifts in microbiology.  Much recommended! A truly wonderful video about bacteriophages and their importance. A simple video explaining the life cycle of lytic and lysogenic bacteriophages. A video from the American Society of Microbiology linking CRISPR and bacteriophages. A review of genes "hitchhiking" in bacteriophages. An introduction to Phollow technology. An overview and discussion of the Phollow technology discussed in this podcast (paywalled).   A Phollow related publication also discussed during the podcast. The Wiles laboratory, where Dr. de Ora Ortiz and colleagues developed the Phollow technology. Dr. Travis Wiles' episode of #MattersMicrobial.  The Secor laboratory, where Dr. de Ora Ortiz currently works. Dr. de Ora Ortiz's LinkedIn profile. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    58분

  3. 2025. 12. 29.

    Bacterial Interactions among Oral Microbes

    Matters Microbial #120: Bacterial Interactions among Oral Microbes December 29, 2025 For Episode 120, we welcome Dr. Batbileg Bor, Associate Professor at the ADA Forsyth Institute, to the #QualityQuorum. He joins us to discuss some of the oral community's most enigmatic members: microbes that dwell on other microbes and potentially influence our own health. Host: Mark O. Martin Guest: Batbileg Bor Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode Here is a fun video about #LuxArt that Dr. Jennifer Quinn and I made for Harvard University's Microbial Sciences Initiative in 2024. Here is a wonderful essay about Dr. Rita Colwell.  Here is a link to her fascinating book about her life. A blog overview of the amazing Deinococcus radiodurans. A fine article about the "artwork" that Paenibacillus creates when it forms colonies. Here is the video that two of my #Bio350 #Micronauts made…a parody of Vanilla Ice's "Ice, Ice, Baby" but about microbiology. Here is a link to the #MattersMicrobial podcast involving the fascinating work of Dr. Jessica Mark Welch on the oral microbiome. A review article on predatory bacteria. An overview of the CPR (Candidate Phyla Radiation), both prominent and mysterious. A recent article by Dr. Bor and colleagues describing the "microbial dark matter" seemingly everwhere…even in the human mouth. An introductory profile on TM7, Saccharibacteria. A solid early review of TM7, by Dr. Bor and colleagues. Dr. Bor and colleagues' early article about TM7, discussed in today's podcast.   Dr. Bor and colleagues' article describing interesting interactions between the epibiont and the basibiont, described in today's podcast.  Here is a related article. An article by Dr. Bor and colleagues describing the two Type IV pili systems of Saccharibacteria. A fascinating article by Dr. Bor and colleagues describing how TM7 can modulate the responses of animals in different ways, discussed on the podcast. Dr. Bor's LinkedIn profile. Dr. Bor's faculty page at the ADA Forsyth Institute. Dr. Bor's laboratory website with fabulous images to enjoy. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    1시간 5분

  4. 2025. 12. 22.

    Investigating Microbial "Dark Matter"

    Matters Microbial #119: Investigating Microbial "Dark Matter" December 22, 2025 Today Dr. Julia Willett, Assistant Professor in the Department of Microbiology and Immunology at the University of Minnesota, joins the #QualityQuorum to discuss how to investigate unknown genes found in nearly every bacterial genome. Call it Microbial Dark Matter! Host: Mark O. Martin Guest: Julia Willett Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode Microbial "Dark Matter"—unknown genes in microbial genomes. The process of annotation. An article about the "Y-ome" or understanding "uncharacterized" genes. The smallest independently growing (and engineered) bacterium, JCVI-syn3.0. It still has many "uncharacterized" but necessary genes. An essay on Enterococcus faecalis.  Diseases caused by Enterococcus. The concept of the pathobiont. Dr. Arturo Casadevall's thoughts on the term "pathogen." The use of transposon mutagenesis to create "knock outs" of bacterial genes. Array transposon mutagenesis. Here is an article coauthored by Dr. Willett on that topic. The Alpha Fold program for predicting gene function. A webinar describing "Microbial Dark Matter" by Dr. Willett. Dr. Willett's faculty website. Dr. Willett's laboratory website. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    1시간 2분

  5. 2025. 12. 16.

    Biofilms Everywhere!

    Matters Microbial #118: Biofilms Everywhere! December 15, 2025 Today Dr. Matthew Fields, Director of the Center for Biofilm Engineering at Montana State University, joins the #QualityQuorum to discuss ubiquitous microbial biofilms. These biofilms touch so many aspects of life on Earth, ranging from human health to engineering issues!   Host: Mark O. Martin Guest: Matthew Fields Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode The website for the American Society for Microbiology's Conference for Undergraduate Educators.  Highly recommended! The must-read story of Angelina Hesse, and the first use of agar to solidify microbiological media.  Here is a Kickstarter project involving promoting this important piece of microbiological history.  And here is a video made by former podcast guest Dave Westenberg on the Hesse agar story. An engaging video for budding #Micronauts explaining the general concept of quorum sensing in bacteria. A video overview of biofilms on Earth.  Perhaps we should call Earth "Planet Biofilm"! Here is an older review of biofilms that is very easy to read and fun to think about. Here is a newer review of the impact that biofilms can have in health, agriculture, industry, and ecology.   A video interview with the late "father" of biofilm research, William J. Costerton. The concept that stromatolites are fossilized biofilms.  A video describing the biofilm "life cycle." Recent developments in the details of how biofilms form. An article on biofilms and evolution of multicellularity. Previous podcast guest Dr. Vaughn Cooper's "Evolving STEM" outreach project that places biofilms front and center. The challenge of antibiotic resistance and biofilms. The website of the Center for Biofilm Engineering at Montana State University.  There is so much to see here, at every level.  It is a grand resource for anyone interested in biofilms. The Center for Biofilm Engineers "fact page" on biofilms. Dr. Fields' research page, where you can find information about the kinds of projects discussed today. An engaging video from Dr. Fields institution on biofilms. Dr. Fields' faculty page. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    1시간 4분

  6. 2025. 12. 08.

    Matters Microbial #117: Cancer Virus Hunters and Molecular Biology

    Matters Microbial #117: Cancer Virus Hunters and Molecular Biology December 8, 2025 Today Dr. Gregory Morgan, Professor in the School of Humanities, Arts, and Social Sciences at Stevens Institute of Technology, joins the #QualityQuorum to discuss how cancer causing viruses advanced molecular biology as described in his recent book Cancer Virus Hunters.   Host: Mark O. Martin Guest: Gregory Morgan Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode Here is a link to Dr. Morgan's book on the topic discussed today. A lovely interview with Dr. Morgan about his book. A great history of molecular biology, "Eighth Day of Creation" by Horace Freeland Judson. The History and Philosophy of Science program at the University of Pittsburgh.   An overview of the Rous Sarcoma Virus. A biography of Dr. Peyton Rous. A video describing how RSV causes cancer by "stealing" normal genes. How some viruses may contribute to the development of cancer. Here is another video on that topic. The field of tumor virology.  A really wonderful video on the genetic origin for cancer. An overview of oncogenes and protooncogenes. A video exploring how proto-oncogenes become oncogenes, and can contribute to the development of cancer. The concept of "contagious cancer" that is rare but exists. The story of papilloma viruses and "jackalopes." The history of Cold Spring Harbor Laboratory. An overview of retroviruses. Retroviruses and FeLV.  Blue chicken eggs and ancient retroviruses. A summary for novice #Micronauts. Mammalian (including human) placenta and ancient retroviruses. Nixon's "War on Cancer." An overview of the src gene. An overview of the ras gene. An overview of the p53 gene. A video explainer of the enzyme reverse transcriptase. A biography of Howard Temin. A biography of David Baltimore. The story of Human Papillovirus (HPV) and cancer. Dr. Morgan's faculty website. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    1시간 4분

  7. 2025. 11. 14.

    Microbes in the Concrete Instead of the Abstract

    Matters Microbial #116: Microbes in the Concrete Instead of the Abstract November 14, 2025 Today Dr. Julie Maresca, Associate Professor in the Department of Chemistry at the SUNY College of Environmental Science and Forestry joins the #QualityQuorum to discuss how bacteria can interact with a ubiquitous part of modern life:  concrete! Host: Mark O. Martin Guest: Julie Maresca Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode Hartiful, the vendor that makes the enamel pins I often show on the podcast. An overview of microbes and the "built environment." An article about how concrete is made. A video on how concrete is made. The concept of "self repairing" concrete. An overview of the microbial limits to life with regard to pH. A description of alkalinophilic bacteria. Biofilms that form on concrete. Difficulties in obtaining DNA from rock. An overview of oligotrophic microbes. The alkali-silica reaction in concrete. Challenges of road salt and concrete. An overview of halophilic microbes. An overview of xerophilic microbes. The concept of SLiME communities. The term aeonophiles. Is "Roman" concrete self-repairing? A company that produces "microbial concrete." An article relevant to today's discussion by Dr. Maresca and colleagues. Dr. Maresca's faculty website.   Dr. Maresca's wonderful and artistic research website. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    1시간 6분

  8. 2025. 11. 07.

    Suiting Up Against Bacterial Predators!

    Matters Microbial #115: Suiting Up Against Bacterial Predators! November 6, 2025 Today Dr. Hannah Ledvina, Assistant Professor in the Molecular, Cellular, and Developmental Biology Department at the University of Michigan joins the #QualityQuorum to discuss how bacteria can protect themselves against predators in unusual ways . . . including a type of armor! Host: Mark O. Martin Guest: Hannah Ledvina Subscribe: Apple Podcasts, Spotify Become a patron of Matters Microbial! Links for this episode The "Giant Microbes" website. A prompt for my course:  an article on "Animals in a Microbial World," with so many interesting examples.  Here is a summary for novice #Micronauts. A prompt for my course:  an article by the late, great Lynn Margulis on the nature of kefir grains and the definition of multicellularity and the organism. A prompt for my course:  an article on hyperpolyploidy in bacteria. An explanation of "genomic islands." A link to a previous guest of #MattersMicrobial, Dr. Laura Williams, discussing Bdellovibrio and undergraduate based research. An overview of predatory bacteria. Here is a more recent overview.   An overview of the predator Myxococcus. A wonderful video showing the predatory process of Myxococcus.  A fine review of the predator Bdellovibrio.  A video of the life cycle of Bdellovibrio.  Some work by Dr. Koval and colleagues suggesting that aspects of the outer cell wall is not involved with resistance to Bdellovibrio. Recent VERY exciting work suggesting that there is indeed a receptor on bacteria that Bdellovibrio can recognize. Here is a short summary of that work.   Could Bdellovibrio become a "living antibiotic"? A reminder from Drs. Kolter and Losick that bacteria in the laboratory can be quite different from their relatives in nature.   The article under discussion on this podcast by Dr. Ledvina and colleagues. Here is an editorial summary on the article.   An article on curli proteins in bacteria. An article on amyloid like proteins in bacteria. A video by Dr. Ledvina on the research interests of her group. Thoughts on an "immune system" for bacteria. Dr. Ledvina's faculty website. Dr. Ledvina's research group website. Intro music is by Reber Clark Send your questions and comments to mattersmicrobial@gmail.com

    1시간 1분
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Matters Microbial is a podcast about the wonders of microbiology, microbiologists, and microbial centrism with Dr. Mark Martin

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  • 제작진
    Mark O. Martin
  • 방송 연도
    2023년 - 2026년
  • 에피소드
    122
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    © 2023
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    Matters Microbial

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