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This Week in Microbiology: Daily Summaries Delivered
by Vincent Racaniello
This Week in Microbiology is a podcast about unseen life on Earth hosted by Vincent Racaniello and friends. Following in the path of his successful shows 'This Week in Virology' (TWiV) and 'This Week in Parasitism' (TWiP), Racaniello and guests produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background.
Latest Episodes
The most recent episodes — sign up to get AI-powered summaries of each one.
- 3 weeks ago56 min
355: Bacteria Complete Your tRNA
TWiM explains how an enhanced domestication method allows for growth of uncultured bacteria, and identification of the oncogene SLC35F2 as is a high-specificity transporter for the micronutrients queuine and queuosine. Hosts: Vincent Racaniello, Michael Schmidt, and Michele Swanson. Guest: Mark O. Martin Become a patron of TWiM. Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Links for this episode Domestication method for uncultured bacteria (ISME Comm) Transporter for the micronutrients queuine and queuosine (PNAS) How diet and microbiome can impact your health (UF blog) Take the TWiM Listener survey! Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv
- Apr 24, 202659 min
354: How a Gut Microbe Worsens Heart Disease
TWiM explains a candidate signature of health in the gut microbial community, and how an intestinal bacterium exacerbates cardiac ischemia/reperfusion injury. Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson and Petra Levin. Become a patron of TWiM. Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Links for this episode A candidate signature of health in the gut microbiome (Cell Host Microbe) 204,938 reference genomes from the human gut microbiome (Nat Biotech) A human gut metagenome-assembled genome catalogue spanning 41 countries (Nat Micro) A comprehensive ruminant microbial catalog (Gigascience) Bacteroides acidifaciens exacerbates cardiac ischemia/reperfusion injury (Cell Host Microbe) The Great Ozempic Experiment (NY Times, paywall) Take the TWiM Listener survey! Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv
- Apr 11, 202646 min
353: Microbial Metabolism of Food Allergens
TWiM explains how to use microbes to enhance maize yield and reduce corn rootworm damage, and how the human microbiota modulates IgE-mediated reactions to foods through allergen metabolism. Hosts: Michael Schmidt, Petra Levin, and Michele Swanson. Guest: Mark O. Martin Become a patron of TWiM. Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Links for this episode Harnessing Microbes for Crop Production (Phytobiome J) Microbes take on corn rootworm (Science) Microbial metabolism of food allergens (Cell Host Microbe) Take the TWiM Listener survey! Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv
- Mar 28, 202659 min
352: Microbial Gut Biosensors
TWiM reveals the archaeal roots of eukaryotic life, and a building a gut malabsorption biosensor with bacteria. Become a patron of TWiM. Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Links for this episode The archaeal roots of eukaryotic life (PNAS) Building a malabsorption biosensor (Cell) Engineering gut biosensors with microbes (Nature) Take the TWiM Listener survey! Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv
- Mar 6, 202659 min
351: Resistance Reboot
TWiM discusses the use of bacteriophage-loaded microneedle patches for targeted and minimally disruptive foodborne pathogen decontamination, and a conjugal gene drive-like system that efficiently suppresses antibiotic resistance in bacteria. Become a patron of TWiM. Links for this episode: Bacteriophage-loaded microneedle patches for food (Sci Adv) Gene drive to suppress antibiotic resistance (npj antimicrob and resistance) CRISPR gene drives (Syntego) Bier laboratory Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions and comments to twim@microbe.tv
- Feb 14, 202653 min
350: TWiM Goes to College
Nancy and Maggie join TWiM to share how and why they created a freely available ebook of TWiM-based science literacy resources and classroom exercises that support teaching across key microbiology and molecular biology topics. Become a patron of TWiM. Links for this episode: Podcast annotation and resources in microbiology (Iowa State U) Curriculum guidelines for undergraduate microbiology (ASM) Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions and comments to twim@microbe.tv
- Feb 1, 202658 min
349: Punctured to Death by Spikes
TWiM explains how mechano-bactericidal surfaces made from diverse materials and patterned with spikes kill bacteria on contact, and virus-host evolution is reshaped by microgravity aboard the International Space Station. Become a patron of TWiM. Links for this episode: Mechano-Bactericidal Surfaces (Adv Sci) Piercing pathogens (ASM) Natural bactericidal surfaces (Small) Virus-host evolution in microgravity (PLoS Biol) Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions and comments to twim@microbe.tv
- Jan 21, 202653 min
348: The Bark Side of the Microbiome
TWiM explains the finding that owning a dog during adolescence alters the microbiota and improves mental health, and the molecular basis for multidrug efflux by an anaerobic-associated resistance-nodulation-cell division transporter. Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson and Petra Levin. Become a patron of TWiM. Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Links for this episode Dog ownership and the microbiome during adolescence (iScience) Molecular basis for multidrug efflux (Nat Comm) Take the TWiM Listener survey! Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv
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About This Week in Microbiology
This Week in Microbiology is a podcast about unseen life on Earth hosted by Vincent Racaniello and friends. Following in the path of his successful shows 'This Week in Virology' (TWiV) and 'This Week in Parasitism' (TWiP), Racaniello and guests produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background.
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