This Week in Microbiology

Latest Episodes:

246: Intracellular niche and passage Jul 19, 2021

Show notes

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

245: Bacteria that protect bees from fungi Jul 03, 2021

Show notes

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.

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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

244: Chewing for chicha Jun 22, 2021

Show notes

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

243: Beef and bacillus Jun 04, 2021

Show notes

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

242: Sourdough Starter Microbiomes May 20, 2021

Show notes

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

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Links for this episode

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

241: What Does Flu Do to Your Poo? May 07, 2021

Show notes

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.

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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

240: Aspirin, colorectal cancer, and Fusobacterium Apr 26, 2021

Show notes

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.

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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

239: The Phoenix of Bacteria Apr 09, 2021

Show notes

The TWiM team reviews how variants of P. aeruginosa survive antimicrobial treatment, and a decrease in the antimicrobial resistance of the gut microbiome in the presence of the fungus C. albicans.

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Links for this episode:

Phoenix colony variants of P. aeruginosa (AAC)
Candida and the gut microbiota (mSphere)

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

238: Parkinson's disease gut microbiome Mar 28, 2021

Show notes

Elio reveals his thoughts on the big themes of modern microbiology, followed by an analysis of the gut microbiome in patients with Parkinson's disease.

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Links for this episode:

Parkinson's disease gut microbiome (NPJ Parkinsons)
Sequencing data as compositions (Bioinformatics)
Gut microbiota in mouse Parkinson's model (Cell)

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

237: Ten years of TWiM, a quality quorum Mar 11, 2021

Show notes

To celebrate ten years, TWiM asks former hosts and guests to provide their thoughts on how microbiology has contributed to our understanding of the microbial world.

Links for this episode:

Neisseria LINES up: TWiM #1

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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