TWiM 251: Biofilms, coronaviruses, and a Shigella vaccine

TWiM explores the role of biofilms in infection by coronaviruses, and development of a Shigella vaccine using outer membrane vesicles derived from Salmonella.

Hosts: Vincent Racaniello, Michele Swanson, and Michael Schmidt

Right click to download TWiM #251 (36 MB .mp3, 49 minutes)

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  • Biofilms and coronaviruses (Appl Envir Micro)
  • Outer membrane vesicle vaccine (Appl Envir 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

TWiM 250: E-Scaffolds and paper stickers

On this episode, an electrochemical scaffold that delivers safe doses of hypochlorous acid to treat wound infections in humans, and a method for sampling and monitoring bacteria and viruses on surfaces using plain paper stickers.

Hosts: Vincent Racaniello, Michele Swanson, and Michael Schmidt

Right click to download TWiM #250 (36 MB .mp3, 49 minutes)

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

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TWiM 249: Phage-pathogen and toxin-antitoxin conflicts

TWiM reveals how temporal shifts in antibiotic resistance elements govern phage-pathogen conflicts, and the intracellular localization of toxin-antitoxin proteins in E. coli.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Right click to download TWiM #249 (36 MB .mp3, 49 minutes)

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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

TWiM 248: Borgs are real

Mark Martin returns to TWiM to discuss ways to increase diversity in our field, and the discovery of Borgs, giant extrachromosomal elements with the potential to augment methane oxidation.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Guest: Mark O. Martin

Right click to download TWiM #248 (40 MB .mp3, 54 minutes)

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

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TWiM 247: Therapy with paleofeces and phages

TWiM explores whether ‘rewilding’ is a way to get back our missing gut microbes, and failure of bacteriophage therapy due to the production of neutralizing antibodies.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Right click to download TWiM #247 (40 MB .mp3, 54 minutes)

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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

TWiM 246: Intracellular niche and passage

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

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Right click to download TWiM #246 (40 MB .mp3, 54 minutes)

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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

TWiM 245: Bacteria that protect bees from fungi

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.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Right click to download TWiM #245 (40 MB .mp3, 54 minutes)

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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

TWiM 244: Chewing for chicha

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.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Right click to download TWiM #244 (40 MB .mp3, 54 minutes)

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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

TWiM 243: Beef and bacillus

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.

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Right click to download TWiM #243 (40 MB .mp3, 54 minutes)

Subscribe to TWiM (free) on iTunes, Google Podcasts, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

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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

TWiM 242: Sourdough starter microbiome

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

Hosts: Vincent Racaniello, Elio Schaechter, Michele Swanson, and Michael Schmidt

Right click to download TWiM #242 (40 MB .mp3, 54 minutes)

Subscribe to TWiM (free) on iTunes, Google Podcasts, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app.

Become a Patron of TWiM!

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

The Hosts of TWiM

Petra Levin, Ph.D.


Michele Swanson, Ph.D.


Michael G. Schmidt, Ph.D.


Vincent Racaniello, Ph.D.


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Please note that content in MicrobeTV podcasts should not be construed as medical advice.