524px-Serotonin biosynthesisHosts: Vincent RacanielloMichael Schmidt, Elio Schaechter and Michele Swanson.

The TWiM team discusses evidence that serotonin synthesis is regulated by spore-forming members of the gut microbiota.

Right click to download TWiM#102 (42 MB .mp3, 58 minutes).

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fx1Hosts: Vincent RacanielloMichael Schmidt, Elio Schaechter and Michele Swanson.

The TWiMers discuss how aroma helps disperse yeast cells on insect vectors, and evidence that MRSA is transmitted within households.

 

Right click to download TWiM#101 (54 MB .mp3, 74 minutes).

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6a00d8341cHosts: Vincent RacanielloMichael Schmidt, Elio Schaechter and Jo Handelsman.

The TWiM team celebrates 100 episodes with a Talmudic question, and discussion of how a single mutation alters bacterial host tropism.

 

Right click to download TWiM#100 (37 MB .mp3, 51 minutes).

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Hosts: Vincent Racaniello

Guests: Maria Julia Marinissen, Edward H. You, and David R. Howell

Vincent meets up with Maria, Edward, and David at the ASM Biodefense and Emerging Infections Research meeting to talk about alternative careers for scientists.



Right click to download TWiM#99 (45 MB .mp3, 62 minutes).

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Adult deer tick, Ixodes scapularis Hosts: Vincent RacanielloMichael Schmidt, Elio Schaechter and Michele Swanson.

The TWiM crew ponders the question of how a bacterium finds its middle when dividing, then divulge the transfer of interbacterial antagonism genes to eukaryotes, where they may function in innate defense.

 

Right click to download TWiM#98 (41 MB .mp3, 59 minutes).

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Structure of TeixobactinHosts: Vincent RacanielloMichael Schmidt, Elio Schaechter and Michele Swanson.

The TWiM team reveal how bacteria in a shipworm’s gills help digest wood in the gut, and an approach that identifies a new antibiotic from the soil.

 

Right click to download TWiM#97 (54 MB .mp3, 74 minutes).

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Biotech Lab.CC190Host: Vincent Racaniello

Special guest: Rob Knight

Vincent meets up with Rob Knight to talk about the technology that has fueled his drive to sequence the Earth and its inhabitants.

 

Right click to download TWiM#96 (40 MB .mp3, 55 minutes).

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Hosts: Vincent Racaniello.

Special guest: Stanley Maloy

Vincent meets up with Stan Maloy on the campus of San Diego State University to talk about his career in microbiology and his work as Dean of Sciences.



Right click to download TWiM#95 (48 MB .mp3, 66.5 minutes).

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Hosts: Vincent RacanielloMichael Schmidt, and Elio Schaechter.

Vincent, Elio, and Michael discuss a symbiosis between a nitrogen-fixing cyanobacterium and a single-celled eukaryotic alga.

 

Right click to download TWiM#94 (48 MB .mp3, 66 minutes).

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800px-Caenorhabditis elegansHosts: Vincent RacanielloMichael Schmidt, and Elio Schaechter

Vincent, Elio, and Michael reveal that a soil-dwelling nematode can recognize and respond to a bacterial quorum sensing molecule through a sensory neuron.

 

Right click to download TWiM#93 (40 MB .mp3, 57 minutes).

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Send your microbiology questions and comments to twim@microbe.tv