TWiM explains how spindle-shaped Archaeal viruses evolved from rod-shaped ancestors to package a larger genome, and transcriptional recording by CRISPR acquisition from RNA.

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Links for this episode

• From rods to spindles (Cell)
• Spindle-shaped virus movie (Cell)
• Bacteria that record (Science)
• Transcriptional recording with CRISPR (Nature)
• Letters read on TWiM 266
• TWiM Listener survey

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

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