347: At Wound's Edge
347: At Wound's Edge  
Podcast: This Week in Microbiology
Published On: Mon Jan 05 2026
Description: TWiM explains how S. aureus pathogenicity is a dynamic, niche-specific choreography that constantly recalibrates in response to the host microenvironment, and short chain fatty acids produced by commensal microbiota reduces its competitive fitness.   Hosts: Michael Schmidt, Michele Swanson and Petra Levin. Guest: Mark O. Martin   Become a patron of TWiM. Links for this episode: Niche-specific fitness of S. aureus at the wound edge (Nat Comm) Commensal derived short chain fatty acids attenuate S. aureus (mBio) Ditch the term pathogen (Nature)   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