Washington orchardHosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Jo Handelsman

Vincent, Jo, Michael, and Elio review an outbreak of pertussis in Washington, and how culturing can reveal rare members of the soil biosphere.

Download TWiM #38 (49 MB .mp3, 71 minutes).

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Dr. Jekyll and Mr. Hyde posterHosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Jo Handelsman

Vincent, Jo, Michael, and Elio discuss two examples of dynamic microbial symbioses that switch between mutualistic and pathogenic states.

 

Download TWiM #37 (55 MB .mp3, 77 minutes).

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Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter

Vincent, Michael, and Elio explore the origin of Mycoplasma pathogens of ruminants, and share their thoughts on the recent ASM General Meeting.

Download TWiM #36 (55 MB .mp3, 80 minutes).

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lps

Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter

Vincent, Michael, and Elio review necrotizing fasciitis, and a link between surface remodeling in gram-positive and gram-negative bacteria.

 

Download TWiM #35 (50 MB .mp3, 70 minutes).

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coccolithophoreHosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter

Vincent, Michael, and Elio discuss changing populations of Emiliania huxleyi and their viruses in the North and Black Seas.

Download TWiM #34 (50 MB .mp3, 69 minutes).

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segmented filamentous bacteriaHosts: Vincent Racaniello, Michael Schmidt, and Ivalyo Ivanov

Vincent, Michael, and Ivo review the requirement for segmented, filamentous bacteria for the induction of a specific type of helper T cell in the gut.

Download TWiM #33 (49 MB .mp3, 68 minutes).

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Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter, and Rosie Redfield.

Vincent, Elio and Michael speak with Rosie Redfield about her evidence that a bacterium cannot grow on arsenic instead of phosphorus. Mono Lake

Right click to download TWiM #32 (49 MB, .mp3, 67 minutes).

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Send your microbiology questions and comments (email or mp3 file) to This email address is being protected from spambots. You need JavaScript enabled to view it. , or call them in to 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.

tamHosts: Vincent Racaniello, Jo Handelsman, and Michael Schmidt

Vincent, Jo, and Michael discuss an archetypal protein transport system in bacterial outer membranes, and evidence that gut microbial enterotypes might not fall into defined groups.

 

Download TWiM #31 (55 MB, .mp3, 75 minutes).

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Burkholderia pseudomalleiHosts: Vincent RacanielloElio Schaechter, and Michael Schmidt

On episode #30 of the podcast, Vincent, Elio, and Michael review how a toxin from Burkholderia pseudomallei inhibits protein synthesis, and the role of the gut microbiome in modulating insulin resistance in mice lacking an innate immune sensor.

Download TWiM #30 (50 MB, .mp3, 70 minutes).

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phage spikeHosts: Vincent Racaniello and Stanley Maloy

On episode #29 of the podcast, Vincent and Stanley review how a phage pierces the cell membrane with an iron-loaded spike, and two programmed cell death systems in E. coli.

Download TWiM #29 (46 MB, .mp3, 63 minutes).

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