MicrobeWorld

TWiM #7: Cycles of life and death, light and dark

Hosts: Vincent Racaniello, Margaret McFall-Ngai, Cliff Mintz, Elio Schaechter, 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.

Right click to download TWiM #7 (44.5 MB, .mp3, 64 minutes).

Subscribe to TWiM (free) on iTunes, Zune 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:

• E. coli extracelluar death factor EDF
• mRNA cleavage by MazF toxin
  
• Myxococcus programmed cell death
  
• Using toxins in antimicrobial bacteriophage
  
• Death as an option (Small Things Considered)
  
• Cycling of metalloenzyme inventories in Crocosphaera watsonii (PNAS)
  
• Growing a green future (Small Things Considered)
• Letters read on TWiM #7

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.