On this episode of TWiM, using colicins to ferry DNA into cells through an iron transporter, and construction of highly efficient microbial fuel cells that produce more electrical current than previously observed. Links for this episode: Colicins used to ferry DNA into cells (mBio) Highly efficient microbial fuel cells (Science) Silver assists fuel cells (Science) Biological transport goes the extra mile (PNAS) Long distance transport in cable bacteria (PNAS) Columbia U pledges fossil free buildings (Columbia U) Become a patron of TWiM. Send your microbiology questions and comments to twim@microbe.tv

This Week in Microbiology

252: Electrifying microbial fuel cells

TWiM explores the role of biofilms in infection by coronaviruses, and development of a Shigella vaccine using outer membrane vesicles derived from Salmonella Become a patron of TWiM. Links for this episode Biofilms and coronaviruses (Appl Envir Micro) Outer membrane vesicle vaccine (Appl Envir Micro) TWiM Listener survey 

251: Biofilms, Coronaviruses, and a Shigella Vaccine

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 Links: E-scaffolds on TWiM 143 The EPS matrix (J Bact) Integrated HOCL-producing E-scaffold (AAM) Surface sampling bacteria with paper stickers (AEM) Surface sample viruses with paper stickers (Sci Rep) Become a Patron of TWiM! 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

250: E-scaffolds and paper stickers

TWiM reveals how temporal shifts in antibiotic resistance elements govern phage-pathogen conflicts, and the intracellular localization of toxin-antitoxin proteins in E. coli. Become a Patron of TWiM! Links for this episode: Phage-pathogen conflicts (Science) A ‘Trap-Door’ Strategy for Mobile Element Escape (Front Micro) Location of toxin-antitoxin proteins (mBio) Babel-Jerusalem Bookstore Letters read on TWiM 249 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

249: Phage-pathogen and toxin-antitoxin conflicts

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 Subscribe to TWiM (free) on iTunes, Google Podcasts, Stitcher, Android, RSS, or by email.  Become a Patron of TWiM! Links for this episode: Unacknowledged privilege (Mol Biol Cell) Black Microbiologists Association Beginner’s Guide to Minority Professor Hires (ASM)Academic Career Readiness Assessment (UCSF) Annual Biomed Res Conference for Minority Students Lessons from Plants by Beronda Montgomery Giant extrachromosomal BORGS (bioRxiv) 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

248: Borgs Are Real

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. Become a patron of TWiM. Links for this episode Gut microbiota through an evolutionary lens (Science) You’re missing microbes (NY Times) There is no ‘healthy’ microbiome (NY Times) Antibody limits bacteriophage therapy (Nat) Phage therapy on TWiEVO #44 Graham Hatfull on TWiV #87 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

247: Therapy With Paleofeces and Phages

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

246: Intracellular niche and passage

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

245: Bacteria that protect bees from fungi

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. Become a patron of TWiM. 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

244: Chewing for chicha

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

243: Beef and bacillus

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

242: Sourdough Starter Microbiomes

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  

241: What Does Flu Do to Your Poo?

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

240: Aspirin, colorectal cancer, and Fusobacterium

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. Become a patron of TWiM. 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

239: The Phoenix of Bacteria

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. Become a patron of TWiM. 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

238: Parkinson’s disease gut microbiome

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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This Week in Microbiology

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