This Week in Microbiology – Details, episodes & analysis

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This Week in Microbiology

Vincent Racaniello

Science

Frequency: 1 episode/16d. Total Eps: 362

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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http://www.microbe.tv/contribute
180 shares
http://academicdepartments.musc.edu/immunology/Faculty/schmidt.html
147 shares
http://ronaldjenkees.com/
140 shares

http://itunes.apple.com/us/podcast/this-week-in-microbiology/id422332846&ls=1https://itunes.apple.com/us/podcast/this-week-in-microbiology/id422332846?mt=2&ls=1
106 shares
http://itunes.apple.com/us/app/id337731458?mt=8
89 shares

https://www.ncbi.nlm.nih.gov/pubmed/29367723
2 shares
http://www.ncbi.nlm.nih.gov/pubmed/22404582
2 shares
https://www.ncbi.nlm.nih.gov/pubmed/30554875
2 shares

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Score global : 32%

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346: Metabolism and Porin Permeability

Episode 346

Saturday, December 13, 2025 • Duration 53:55

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 Racaniello, Michael Schmidt and Petra Levin

Guest: Mark O. Martin

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Links for this episode:

Nutrient competition predicts drug effects on microbiota (Cell)
Metabolic control of porin permeability influences antibiotic resistance in E coli (Nat Micro)
Santiago Cano-Muniz

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

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345: Faster Than Rocks!

Episode 345

Saturday, November 22, 2025 • Duration 53:31

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, Michele Swanson, and Petra Levin

Guest: Mark O. Martin

Subscribe to TWiM (free) on Apple Podcasts, RSS, or by email.

Links for this episode

Sulfur and iron cycling in anoxic environments (Nature)
Bacterial surface migration by swashing (J Bacteriol)

Become a Patron of TWiM!

Music used on TWiM is by Ronald Jenkees.

Send your microbiology questions and comments to twim@microbe.tv

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336: The Volatilome of Biofluids

Episode 336

Saturday, July 19, 2025 • Duration 55:38

TWiM explores the use of gas sensors and machine learning to identify microbes and antimicrobial resistance in clinical specimens, and how a harmful algal bloom species releases thiamin antivitamins to suppress competitors.

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Links for this episode:

Microbial and antimicrobial resistance diagnostics (Cell Biomaterials)
Thiamin antivitamins suppress algal competitors (mBio)

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

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246: Intracellular niche and passage

Episode 246

Monday, July 19, 2021 • Duration 56:43

The TWiM folk explore disruption of a Burkholderia intracellular niche by a cell death program, and an increase in Brucella infectiousness after intracellular passage.

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Links for this episode:

Disrupting intracellular niche (mBio)
Intracellular passage increases infectiousness (Infect Immun)
Type IV secretion systems (Front Micro)

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

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245: Bacteria that protect bees from fungi

Episode 245

Saturday, July 3, 2021 • Duration 50:14

In this episode, how polysaccharides keep cyanobacteria afloat in the oceans so that they can carry out photosynthesis, and a symbiotic bacterium that protects honey bees from fungal infections.

Become a Patron of TWiM!

Links for this episode:

Bacterial blooms and polysaccharides (eLife)
Social life of cyanobacteria (eLife)
Bacteria that protect bees from fungi (mBio)
First 21 days of a bee's life (YouTube)
antiSMASH (Nucl Acids Res)
Delaney Miller's website

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

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244: Chewing for chicha

Episode 244

Tuesday, June 22, 2021 • Duration 56:49

Foodie TWiM reveals that bacteria in human saliva are major components of Ecuadorian indigenous beers, and an unusual E. coli that produces atypical light cream-colored colonies in chromogenic agar.

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Links for this episode:

Saliva bacteria in indigenous beers (Peer J)
Unusual behavior of E. coli ST59 (Appl Envir Micro)
One Health (CDC)

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

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243: Beef and bacillus

Episode 243

Friday, June 4, 2021 • Duration 51:42

TWiM continues its food arc with an examination of the effect of peroxyacetic acid spray on the microbiome and sensory properties of beef, and explores asymmetry of the cell division machinery during sporulation.

Links for this episode:

Effect of peroxyacetic acid on beef (Appl Envir Micro)
Peracetic acid sterilization (CDC)
Different cuts of beef (S. Clyde Weaver)
Profiling the Poglianos (TWiM 115)
Cell division machinery asymmetry in sporulation (eLife)
Kamala Sohonie by Kanika Khanna
India COVID SOS

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

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242: Sourdough Starter Microbiomes

Episode 242

Thursday, May 20, 2021 • Duration 54:26

TWiM reveals the microbiome of sourdough starter cultures, and discovery of a novel family of prokaryotic nanocompartments involved in the metabolism of sulfur.

Become a patron of TWiM.

Links for this episode

Sourdough starter microbiomes (eLife)
Prokaryotic nanocompartments (eLife)
TWiM Listener survey

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

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241: What Does Flu Do to Your Poo?

Episode 241

Friday, May 7, 2021 • Duration 01:04:01

TWiM explains how Vibrio biofilms are dispersed by polyamine signals, and the induction of inappetence by respiratory virus infection which causes alteration of the gut microbiome.

Subscribe to TWiM (free) on Apple Podcasts, Spotify, Google Podcasts, Android, RSS, or by email.

Become a patron of TWiM.

Links for this episode

Regulation of Vibrio biofilms by polyamines (eLife)
Cyclic di-GMP (pdf)
Respiratory virus infection induces inappetance (mBio)
Letters read on TWiM 241
TWiM Listener survey

Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv

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240: Aspirin, colorectal cancer, and Fusobacterium

Episode 240

Monday, April 26, 2021 • Duration 01:01:19

TWiM reviews aspirin modulation of Fusobacterium nucleatum, a microbe that has been associated with colorectal cancer, and Elio tells us 'What are vaccines', a talk he recently gave to members of his community.

Become a patron of TWiM.

Links for this episode:

Elio's What are Vaccines? (pdf)
Jenner Museum
Aspirin modulation of Fusobacterium (mBio)
Fecal transplant for C. difficile (NEJM)
Fecal microbiota transplantation (NEJM)
Fecal microbiota transplant for dysbiosis (NEJM)

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

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This Week in Microbiology – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

RSS feed quality and score

Publication history

Latest published episodes

Related Shows Based on Content Similarities

Apple Podcasts

Spotify

Related Shows Based on Content Similarities

This Week in Microbiology – Details, episodes & analysis

Podcast details

Recent rankings

Apple Podcasts

Spotify

Shared links between episodes and podcasts

Other99+

Apple Podcast6

ncbi.nlm.nih99+

RSS feed quality and score

Publication history

Latest published episodes

Similar podcasts and content

Related Shows Based on Content Similarities

Apple Podcasts

Spotify

Related Shows Based on Content Similarities

Other99+

Apple Podcast6

ncbi.nlm.nih99+