TWiM 20: Facebook for bacteria

proteus territories

Hosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter

On episode #20 of the podcast This Week in Microbiology, Vincent, Michael, and Elio follow up on the outbreaks of E. coli in Germany and cholera in Haiti, then discuss genes that confer self-identity to Proteus mirabilis.

Download TWiM #20 (49 MB, .mp3, 68 minutes).

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TWiM 19: Your microbiome is what you eat

Map of London in 1593

Hosts: Vincent Racaniello, Michael Schmidt, Elio Schaechter and Jo Handelsman

On episode #19 of the podcast This Week in Microbiology, Vincent, Michael, Elio, and Jo discuss the genome sequence of Y. pestis from victims of the Black Death, and the effect of diet on gut microbial enterotypes.

Download TWiM #19 (43 MB, .mp3, 60 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

TWiM 18: Escherichia coli K-12, an emerging pathogen?

invasion

Hosts: Vincent Racaniello, Michael Schmidt, Stanley Maloy and Elio Schaechter

On episode #18 of the podcast This Week in Microbiology, Vincent, Michael, Elio, and Stanley explain how to make the human intestinal commensal and benign laboratory bacterium Escherichia coli K-12 into an invasive organism, and the unearthing of century-old spores in New York City.

Download TWiM #18 (54 MB, .mp3, 74 minutes).

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Links for this episode:

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TWiM 17: Debugging endosymbiosis

planococcus_citriHosts: Vincent Racaniello, Michael Schmidt, and Elio Schaechter

On episode #17 of the podcast This Week in Microbiology, Vincent, Michael and Elio focus on endosymbiosis: the rapid spread of Rickettsia in whitefiles, and a metabolic patchwork in nested symbionts of mealybugs.

 

Download TWiM #17 (51 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

TWiM 16: ICAAC Live

Hosts: Vincent Racaniello, Michael Schmidt, Arturo Casadevall, Stuart Levy, and David Livermore

On episode #16 of the podcast This Week in Microbiology, Vincent, Michael, Arturo, Stuart, and David converse about antimicrobial resistance and why most fungi do not cause disease at the 51st Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC).



Download TWiM #16 (65 MB, .mp3, 90 minutes).

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Links for this episode:

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

TWiM 15: Microbial long distance relationships

Map showing Nepal highlighting the affected outbreak areas.Hosts: Vincent Racaniello, Michael Schmidt and Jo Handelsman

On episode #15 of the podcast This Week in Microbiology, Vincent, Michael and Jo review the number of species on Earth, evidence that the 2010 Haitian cholera outbreak originated in Nepal, and how the gut microbiota influences the immune response to influenza virus infection of the lung.

Download TWiM #15 (43 MB, .mp3, 59 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

TWiM 14: Vomocytosis and microbial transistors

geobacterHosts: Stanley Maloy, Margaret McFall-Ngai, Michael Schmidt, and Elio Schaechter

On episode #14 of the podcast This Week in Microbiology, Stanley, Margaret, Michael and Elio review how the fungus Cryptococcus escapes from macrophages, and electrical conductivity in nanowires formed by the bacterium Geobacter.

Download TWiM #14 (49 MB, .mp3, 68 minutes).

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Links for this episode:

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

TWiM 13: Probiotics and inflammasomes: Telling good bacteria from the bad

colonic epitheliumHosts: Stanley Maloy, Jo Handelsman, Michael Schmidt, and Elio Schaechter

On episode #13 of the podcast This Week in Microbiology, Stanley, Jo, Michael and Elio discuss how colonic microbial ecology and risk for colitis are regulated by an inflammasome, and amelioration of intestinal inflammation in mice by delivery of a probiotic-derived soluble protein to the colon.

Download TWiM #13 (42 MB, .mp3, 58 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

TWiM 12: Photothermal nanoblades and genome engineering

chicken_farm1Hosts: Vincent Racaniello, Michael Schmidt, Margaret McFall-Ngai, and Elio Schaechter

On episode #12 of the podcast This Week in Microbiology, Vincent, Margaret, Michael and Elio review the use of photothermal nanoblades to dissect the Burkholderia intracellular life cycle, and manipulation of chromosomes in vivo for genome-wide codon replacement in E. coli.

Download TWiM #12 (52 MB, .mp3, 75 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

TWiM 11: Chickens, antibiotics, and asthma

chicken_farm1

Hosts: Vincent Racaniello, Michael Schmidt, Margaret McFall-Ngai, and Elio Schaechter.

On episode #11 of the podcast This Week in Microbiology, Vincent, Margaret, Michael and Elio review the presence of extended spectrum beta-lactamase genes in chicken meat and in humans, and a beneficial effect of Helicobacter pylori colonization on the development of allergen-induced asthma.

Download TWiM #11 (50 MB, .mp3, 73 minutes).

Subscribe to TWiM (free) on iTunes, Zune Marketplace, 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 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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