This Week in Microbiology

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TWiM #87: Avogadro, archaeal fossils, and ICAAC Sep 17, 2014

Show notes

Vincent, Elio, and Michael explore the fossilization of archaeal lipids, and highlight the recent ICAAC in Washington, D.C.

TWiM #86: Blurring the line between organelle and endosymbiont Sep 03, 2014

Show notes

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson.

Vincent, Elio, Michael, and Michele consider whether our eating behavior is manipulated by gastrointestinal microbiota, and an aphid gene of bacterial origin whose gene product encodes a protein that is transported to an obligate endosymbiont.

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Links for this episode

National Biosafety Stewardship month
Aphid gene of bacterial origin (Curr Biol)
Eroding symbiont/organelle distinction (Curr Biol)
Is our eating manipulated by our microbiota? (Bioessays)
Road to microbial endocrinology (STC)
Microbial endocrinology (STC)
Letters read on TWiM 86

Send your microbiology questions and comments (email or mp3 file) to twim@twiv.tv, 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 #85: Oscillation in the ocean and a Verona integron Aug 21, 2014

Show notes

Vincent, Elio, Michael, and Michele discuss the diel transcriptional rythmns of bacterioplankton communities in the ocean, and extensively drug resistant Pseudomonas in Ohio.

TWiM #84: Microbiology Down Under Aug 11, 2014

Show notes

In Melbourne, Australia Vincent speaks with David, Melanie, and Adam about their work on group A Streptococcus, Helicobacter pylori, and infections of Koalas with Chlamydia.

TWiM #83: Illuminating tuberculosis and cryptococcosis Jul 24, 2014

Show notes

Vincent, Michael, Elio and Michele review a new fluorogenic diagnostic test for tuberculosis bacteria, and the role of a metalloprotease in helping a fungus invade the central nervous system.

TWiM #82: Betrayal and compromise Jul 10, 2014

Show notes

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Michele Swanson.

Vincent, Michael, Elio and Michele discuss how an endosymbiont betrays its aphid host to alert plant defenses, and a new immunosuppressive cell that allows infection of neonates.

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

Endosymbiont protein betrays aphid (PNAS)
Plant immune system (Nature)
Plant defenses against pathogens (Am Phyt Soc)
New neonatal defense against infection (Nature)
Marty Blaser and Bill Maher (YouTube)
Two days from any village (YouTube)
Letters read on TWiM 82

TWiM #81: Cold iron is the master of them all Jun 28, 2014

Show notes

Vincent, Michael, and Michele discuss how iron might disperse bacterial biofilms in carotid arterial plaques, and controlling Salmonella by modulating host iron homeostasis.

TWiM #80: Hurling fleas and designer chromosomes Jun 11, 2014

Show notes

Hosts: Vincent Racaniello, Elio Schaechter, and Michele Swanson.

Vincent, Elio, and Michele discuss how to synthesize a designer yeast chromosome, and deciphering the genetic changes path that allowed Yersinia pestis to be transmitted by fleas.

Links for this episode:

Total synthesis of a yeast chromosome (Science)
Evolution of Y. pestis to flea-borne transmission (Cell Host Micr)
Proventricular valve (Wikipedia)
Image: flea with Y. pestis proventricular mass
Letters read on TWiM 80

TWiM #79: A community of microbiologists May 29, 2014

Show notes

Vincent, Michael, and Michele review highlights of the 2014 General Meeting of the American Society for Microbiology in Boston, MA.

TWiM #78: A bacterium grows in Brooklyn May 15, 2014

Show notes

Vincent, Elio, and Michael consider a fungal pathogen of insects that acquired a gene from its host that facilitates infection, and presence of gram-negative nosocomial pathogens on community surfaces near hospitals in Brooklyn.

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