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This Week in Microbiology This Week in Microbiology Vincent Racaniello Talking Texas History Talking Texas History Gene Preuss & Scott Sosebee The Badass Counseling Show The Badass Counseling Show Sven Erlandson Motivational Speech Motivational Speech Motivational Speech The Real Time Show The Real Time Show Rob Nudds & Alon Ben Joseph Chapter-A-Day Audio Bible Chapter-A-Day Audio Bible John Stange, Pastor and Audio Bible Reading Plan Fox Sports Update Fox Sports Update Fox News Podcasts Follow the Money Follow the Money Follow the Money Journey Through Scripture Journey Through Scripture Doug Becker Warna 942 Firman Dan Sabda Warna 942 Firman Dan Sabda Mediacorp Daily Astrocat: Your Playful and Profound Daily Astrology Podcast! Daily Astrocat: Your Playful and Profound Daily Astrology Podcast! Shane Jinson, Original backing tracks by Cabbitha. Behind the Ticker Behind the Ticker Brad Roth Las Vegas Raiders Insider: A Raiders podcast network Las Vegas Raiders Insider: A Raiders podcast network Pro Football Insiders, Bleav Network Spoiler Sleepover Spoiler Sleepover Jason Michael and Rob Zij Lacht - Elke Dag Zij Lacht - Elke Dag Nederlands - Vlaams Bijbelgenootschap Historical Jesus Historical Jesus Historical Jesus Michigan Minute Michigan Minute WKAR Public Media Café Com Deus Pai | Podcast oficial Café Com Deus Pai | Podcast oficial Junior Rostirola Adam's Corner Adam's Corner Adam Long The Relentless Project The Relentless Project Ish Lopez Sporza Daily Sporza Daily Sporza Let's Find Out with Diego Let's Find Out with Diego Diego the Podcaster Am I The Asshole Podcast Am I The Asshole Podcast Am I The Asshole Podcast The Free Agents Podcast: The Challenge, The Traitors, & more The Free Agents Podcast: The Challenge, The Traitors, & more Matt and Scally kicker WM-Daily - Dein täglicher WM-Wecker kicker WM-Daily - Dein täglicher WM-Wecker kicker History Shorts History Shorts History Shorts Network Silent Time Silent Time silenttime Tefillah Outlined Tefillah Outlined Rabbi Moshe Rothman Best of the US Best of the US Mechanical Music Radio Dope Daily Audio Bible | Read the Bible in 10 Minutes a Day Dope Daily Audio Bible | Read the Bible in 10 Minutes a Day Charlie Mitchell Star Trails: From Backyard Astronomy to Cosmic Wonder Star Trails: From Backyard Astronomy to Cosmic Wonder Single Malt Sky L'Évangile au jour le jour • commentaires quotidiens L'Évangile au jour le jour • commentaires quotidiens Frère Paul Adrien Fowler and Friends Fowler and Friends Jake Fowler Eyewitness News New York Eyewitness News New York WABC-TV Daily Mass Readings Daily Mass Readings Augustine Institute Gunsmoke: Old West Stories Gunsmoke: Old West Stories OTR.FM Network Thrasherway Podcast Thrasherway Podcast HLT
This Week in Microbiology

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This Week in Microbiology

Vincent Racaniello

Gut Microbes and ALS

July 04, 2026 6:37pm 58 min

TWiM explains the connection between inflammation caused by microbial glycogen in the gut and amyotrophic lateral sclerosis, and how disruption of cysteine metabolism leads to synthetic lethality and in vivo fitness impa...

Remembering Elio at Tufts

June 15, 2026 1:49pm 55 min

TWiM visits Tufts University School of Medcine and are joined by John Coffin, Michael Malamy, and Verna Manni for a tribute to Elio Schaechter who was chair of Molecular Biology and Microbiology for 23 years. Hosts: Vinc...

Nanopore to the bone

May 28, 2026 6:06pm 49 min

TWiM explains how Streptococcus mitis bacteriocins drive contact-dependent lysis of S. pneumoniae facilitating transformation, and microbial dominance in diabetic foot osteomyelitis determined with nanopore sequencing. H...

Bacteria Complete Your tRNA

May 08, 2026 8:25pm 56 min

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. H...

How a Gut Microbe Worsens Heart Disease

April 24, 2026 5:00am 59 min

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 a...

Microbial Metabolism of Food Allergens

April 10, 2026 10:49pm 46 min

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 ...

Microbial Gut Biosensors

March 27, 2026 8:35pm 59 min

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 permis...

Resistance Reboot

March 06, 2026 5:45pm 59 min

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 re...

TWiM Goes to College

February 14, 2026 12:07pm 53 min

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 t...

Punctured to Death by Spikes

February 01, 2026 2:55pm 58 min

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....

The Bark Side of the Microbiome

January 21, 2026 3:17pm 53 min

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...

At Wound's Edge

January 04, 2026 7:56pm 55 min

TWiM explains how S. aureus pathogenicity is a dynamic, niche-specific choreography that constantly recalibrates in response to the host microenvironment, and short chain fatty acids produced by commensal microbiota redu...

Metabolism and Porin Permeability

December 12, 2025 10:41pm 53 min

TWiM explains how competition for nutrients anticipates and potentially mitigate drug side effects on the gut microbiota, and metabolic control of porin permeability influences antibiotic resistance. Hosts:  Vincent Raca...

Faster Than Rocks!

November 22, 2025 2:02am 53 min

TWiM explains a biological mechanism that links sulfur and iron cycling in anoxic environments, and "swashing," a form of surface movement in which bacteria migrate without active propulsion. Hosts:  Michael Schmidt, Mic...

Ant Yogurt and Fine Chocolate

November 08, 2025 3:48am 1:06

TWiM reveals the bacteria, acids, and enzymes behind yogurt made with ants, and a defined set of microbes that reproduces attributes of fine flavor chocolate fermentation Hosts: Vincent Racaniello, Michael Schmidt, ...

Nucleotides to the Defense

October 25, 2025 12:52am 43 min

TWiM explores two different ways that bacteria defend against phages through the synthesis of cyclic nucleotides. Hosts: Michael Schmidt and Mark O. Martin Become a patron of TWiM. Links for this episode: Dec...

The Microbiome, Pancreatic Cancer, and Sleep Quality

October 11, 2025 1:50am 53 min

TWiM explains studies that show that the oral bacterial and fungal microbiome are risk factors for pancreatic cancer, and the gut microbiome and pyruvate metabolism of older adults are a link between sleep quality and fr...

Sea Star Wasting Disease

September 27, 2025 12:27am 48 min

TWiM reveals a Vibrio as the causative agent of sea star wasting disease, and using microcolony-seq to uncover phenotypic inheritance from single cells. Hosts:  Michael Schmidt and Michele Swanson Guest: Mark O. Marti...

Microbes in Trees and Plants

September 12, 2025 6:46pm 48 min

TWiM explores the varied and distinct microbiome of trees, and an array of biopesticidal metabolites against mosquito larvae isolated from a Mediterranean island. Become a patron of TWiM. Links for this episode:

Missing the Company of Elio

August 29, 2025 4:01pm 59 min

TWiM pays tribute to Elio Schaechter, former TWiM host, blogger, and microbiologist extraordinaire, then reviews the finding that Archaea produce peptidoglycan hydrolases that kill bacteria - a form of competition. Hosts...

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