This Week in Microbiology

By: Vincent Racaniello
  • Summary

  • This Week in Microbiology is a podcast about unseen life on Earth.
    Creative Commons Attribution - Noncommercial
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Episodes
  • 326: I Have One Word For You: PETase!
    Jan 24 2025

    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 Racaniello, Michael Schmidt, Michele Swanson.

    Guest Mark O. Martin.

    Subscribe to TWiM (free) on Apple Podcasts, Spotify, Android, RSS, or by email.

    Become a patron of TWiM.

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

    Links for this episode
    • Discovery of PET depolymerases (Science)
    • Exogenous peptidoglycan triggers biofilm formation (Nat Micro)
    • What is a biofilm? (Vimeo)
    • Peptidoglycan as a PAMP/MAMP (Immunol Rev)
    • Light organ formation triggered by peptidoglycan (Science)
    • Take the TWiM Listener survey!

    Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv

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    53 mins
  • 325: Microbes Making Methane
    Jan 10 2025

    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.

    Subscribe to TWiM (free) on Apple Podcasts, Spotify, Android, RSS, or by email.

    Become a patron of TWiM.

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

    Links for this episode
    • Why a potent greenhouse gas is rising (WaPo)
    • Microbial emissions drove record high atmospheric methane growth (PNAS)
    • Salmonella biofilm formation in the cecum (mBio)
    • Typhoid Mary (The Collector)
    • Take the TWiM Listener survey!

    Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv

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    42 mins
  • 324: Back To School for TWiM
    Dec 27 2024

    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: Michael Schmidt and Mark O. Martin

    Guests: Becky Seipel-Thiemann, Melanie Melendrez-Vallard, and Katriana Popichak

    Subscribe to TWiM (free) on Apple Podcasts, Spotify, Android, RSS, or by email.

    Become a patron of TWiM.

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

    Links for this episode
    • Take the TWiM Listener survey!

    Send your microbiology questions and comments (email or recorded audio) to twim@microbe.tv

    Show More Show Less
    1 hr and 2 mins

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