Podcast Episodes

More mouth Microbiology

Episode 330

TWiM explains how to recode E. coli so it uses only one stop codon, and an exploration of the mechanisms of bacterial adhesion within dental plaque.

Hosts: Vincent Racaniello, Michael Schmidt, Petra…

Published on 5 months ago

Bacteria Hunt With Grappling Hooks

Episode 329

TWiM explains Pasteur’s relentless hunt for microbes in the air, and how bacteria hunt for prey by ixotrophy - using grappling hooks!

Hosts: Vincent Racaniello, Michael Schmidt, Petra Levin and Miche…

Published on 5 months, 3 weeks ago

Capturing Shigella With Filopodia

Episode 328

TWiM describes Shigella infection is facilitated by interaction of human enteric α-defensin 5 with a colonic epithelial receptor, and an amino acid change in RNA polymerase that leads to resistance t…

Published on 6 months, 2 weeks ago

Freezing and Anti-Freezing With Bacteria

Episode 327

TWiM explains the remarkable abilities of bacterial ice nucleating proteins to promote freezing of water, and cryoprotective proteins produced by worm microbiomes that prevent freezing.

Hosts: Vincen…

Published on 7 months ago

I Have One Word For You: PETase!

Episode 326

TWiM explores the discovery of microbial enzymes, PETases, that can degrade ubiquitous plastics, and how exogenous peptidoglycan is a danger signal to trigger biofilm formation.

Hosts: Vincent Racani…

Published on 7 months, 2 weeks ago

Microbes Making Methane

Episode 325

TWiM reveals that record high atmospheric methane growth has been driven by microbes, and the cecum as an adaptive niche for Salmonella typhi.

Hosts: Michael Schmidt, Petra Levin and Michele Swanson.…

Published on 8 months ago

Back To School for TWiM

Episode 324

From ASMCUE 2024, the conference on undergraduate education, TWiM speaks with Becky, Melanie, and Katriana about their careers and how they use TWiM in undergraduate microbiology education.

Hosts: Mi…

Published on 8 months, 2 weeks ago

Better Concrete With Microbes

Episode 323

TWiM describes how to make concrete more ‘green’ by using microbes, and bacterial bioluminescence as an important regulator of multitrophic interactions in the soil.

Hosts: Vincent Racaniello, Michae…

Published on 9 months ago

Photohydrolysis Decontamination Reduces Healthcare-associated Infections

Episode 322

TWiM explains how ticagrelor alters the membrane of S. aureus and enhances the activity of vancomycin and daptomycin without eliciting cross-resistance, and the development of a novel continuous disi…

Published on 9 months, 3 weeks ago

The Microbes in Your Food

Episode 321

TWiM focuses on recent foodborne outbreaks of bacterial infections, and how nanopore sequencing technology can be used to identify pathogenic microbes and antimicrobial resistance genes in food produ…

Published on 10 months ago