TWiM 39: What Darwin never knew

Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter

Vincent, Michael, and Elio review chapters from Microbes and Evolution, a collection of short, personal essays by microbiologists.

Download TWiM #39 (55 MB .mp3, 75.5 minutes).

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TWiM 38: The sound of whooping cough

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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TWiM 37: Microbial Jekyll and Hyde

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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TWiM 36: Domesticating a pathogen

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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TWiM 35: Ohne hauch

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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TWiM 34: Doing the DISCO with Emiliania

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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TWiM 33: Tuning the immune organ

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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Links for this episode:

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TWiM #32: Not the shadow biosphere

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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Links for this episode:

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.

TWiM 31: Screen door on a submarine

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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Links for this episode:

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

TWiM 30: Unraveling melioidosis and insulin resistance

Burkholderia pseudomalleiHosts: Vincent Racaniello, Elio 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).

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 twim@microbe.tv

About the Hosts of TWiM

Vincent Racaniello, Ph.D. (@profvrr) is Higgins Professor of Microbiology & Immunology at Columbia University Medical Center. He has been studying viruses for over 40 years. He teaches virology to undergraduate and graduate students, as well as medical, dental, and nursing students. His lectures are available online at iTunes University, YouTube, and Coursera.


Michael Schmidt, Ph.D. (TWiM) is the Professor and Vice Chairman of Microbiology and Immunology and Director of the Office of Special Programs at the Medical College of South Carolina. Dr. Schmidt is leading a team of infectious disease specialists from three health sciences centers and engineers from industry.

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