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This Week in Microbiology

This Week in Microbiology

By: Vincent Racaniello
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This Week in Microbiology is a podcast about unseen life on Earth.Creative Commons Attribution - Noncommercial Biological Sciences Nature & Ecology Science
Episodes
  • 350: TWiM Goes to College
    Feb 14 2026

    Nancy and Maggie join TWiM to share how and why they created a freely available ebook of TWiM-based science literacy resources and classroom exercises that support teaching across key microbiology and molecular biology topics.

    Become a patron of TWiM.

    Links for this episode:

    • Podcast annotation and resources in microbiology (Iowa State U)

    • Curriculum guidelines for undergraduate microbiology (ASM)

    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

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    53 mins
  • 349: Punctured to Death by Spikes
    Feb 1 2026

    TWiM explains how mechano-bactericidal surfaces made from diverse materials and patterned with spikes kill bacteria on contact, and virus-host evolution is reshaped by microgravity aboard the International Space Station.

    Become a patron of TWiM.

    Links for this episode:

    • Mechano-Bactericidal Surfaces (Adv Sci)

    • Piercing pathogens (ASM)

    • Natural bactericidal surfaces (Small)

    • Virus-host evolution in microgravity (PLoS Biol)

    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

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    59 mins
  • 348: The Bark Side of the Microbiome
    Jan 21 2026

    TWiM explains the finding that owning a dog during adolescence alters the microbiota and improves mental health, and the molecular basis for multidrug efflux by an anaerobic-associated resistance-nodulation-cell division transporter.

    Hosts: Vincent Racaniello, Michael Schmidt, Michele Swanson and Petra Levin.

    Become a patron of TWiM.

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

    Links for this episode
    • Dog ownership and the microbiome during adolescence (iScience)
    • Molecular basis for multidrug efflux (Nat Comm)
    • Take the TWiM Listener survey!

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

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    54 mins
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