TWiM 102: Happiness is the spore-formers in your gut

524px-Serotonin biosynthesisHosts: Vincent Racaniello, Michael 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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TWiM 101: The MRSA in your home

fx1Hosts: Vincent Racaniello, Michael 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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TWiM 100: Omnis cellula e cellula

6a00d8341cHosts: Vincent Racaniello, Michael 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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TWiM 99: Careers in Biodefense

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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TWiM 98: Bacteria and eukaryotes get horizontal

Adult deer tick, Ixodes scapularis Hosts: Vincent Racaniello, Michael 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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TWiM 97: There’s gold in them hills

Structure of TeixobactinHosts: Vincent Racaniello, Michael 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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TWiM 96: A lean, mean sequencing machine

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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TWiM 95: A microbe lover in San Diego

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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TWiM 94: Nitrochondria

Hosts: Vincent Racaniello, Michael 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).

Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.

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TWiM 93: Worming in on bacteria

800px-Caenorhabditis elegansHosts: Vincent Racaniello, Michael 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).

Subscribe to TWiM (free) on iTunes, via RSS feed, by email or listen on your mobile device with the Microbeworld app.

Links for this episode

Send your microbiology questions and comments to [email protected]

The Hosts of TWiM

Petra Levin, Ph.D.


Michele Swanson, Ph.D.


Michael G. Schmidt, Ph.D.


Vincent Racaniello, Ph.D.


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