The TWiM team presents an extracellular bacterium associated with Paramecium, and induction of antiviral immunity by a bacteriophage that prevents bacterial clearance.

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• Bacteria on the outside of paramecia (ISME)
• Phage trigger antiviral immunity (Science)
• Image credit
• Letters read on TWiM 198

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

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