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.

• 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

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

TWiM explains how competition for nutrients anticipates and potentially mitigate drug side effects on the gut microbiota, and metabolic control of porin permeability influences antibiotic resistance.

Hosts: Vincent Racaniello, Michael Schmidt and Petra Levin

Guest: Mark O. Martin

Become a patron of TWiM.

Links for this episode:

• Nutrient competition predicts drug effects on microbiota (Cell)

• Metabolic control of porin permeability influences antibiotic resistance in E coli (Nat Micro)

• Santiago Cano-Muniz

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