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

This Week in MicrobiologyHosts: Vincent Racaniello, Michael SchmidtStanley Maloy and Elio Schaechter.

On episode #18 of the podcast This Week in MicrobiologyVincent, 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.

Click the arrow above to play, or right-click to download TWiM #18 (54 MB, .mp3, 74 minutes).

Subscribe to TWiM (free) on iTunesZune 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 (email or mp3 file) to twim@microbe.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 7 – Cycles of life and death, light and dark

cyanobacteriaHosts: Vincent Racaniello, Margaret McFall-Ngai, Cliff Mintz, Elio Schaecter, and Michael Schmidt.

On episode #7 of the podcast This Week in Microbiology, Vincent, Cliff, Elio, Margaret, and Michael discuss programmed cell death in E. coli, and the daily synthesis and degradation of enzymes needed for photosynthesis and nitrogen fixation by cyanobacteria.

Click the arrow above to play, or right click to download TWiM #7 (44.5 MB, .mp3, 64 minutes).

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

Image of Cyanobacteria in Lake Littoistenjärvi by Stefe via flickr

Links for this episode:

Send your microbiology questions and comments (email or mp3 file) to twim@microbe.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.