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 [email protected]

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 [email protected]

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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• 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 [email protected]

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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• 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 [email protected]

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 [email protected]

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 [email protected]

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 [email protected]

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 [email protected]

In this episode, hiring and training expectations for future biomedical life sciences faculty, and the roles of bacterial symbionts in deep-sea hydrothermal vent tubeworms.

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Links for this episode:

• Expectations for life sciences faculty (Life Sci Edu)
• Academic career readiness assessment (UCSF)
• Tubeworm bacterial symbionts (eLife)
• Traveling on the Alvin (Dark Life II)
• Image credit

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to [email protected]

In this episode, how DNA of giant viruses has contributed extensively to the genome of green algae, and inhibition of E. coli virulence by a metabolic product of arachidonic acid in the intestinal epithelium.

Links for this episode:

• Giant viral DNA shapes genomes of green algae (Nature)
• James Van Etten
• Darwin's Radio
• Arachidonic acid and E. coli virulence (mBio)
• How a pathogenic E. coli infection begins

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Send your microbiology questions and comments to [email protected]