333: When Mutualists Murder

This Week in Microbiology

TWiM explains how a mutualistic model bacterium can become lethal in a non-symbiotic host, and engineering a kill switch into a tuberculosis vaccine for improved safety.

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

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

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

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TWiM explains how a mutualistic model bacterium can become lethal in a non-symbiotic host, and engineering a kill switch into a tuberculosis vaccine for improved safety.

Hosts: Vincent Racaniello, 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

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

2025-06-06 58 min
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