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This Week in Microbiology

TWiM 4: Cantaloupes and Salmonella gastroenteritis

8 April 2011 by Vincent Racaniello

cantaloupe recallHosts: Vincent Racaniello, Margaret McFall-Ngai, Cliff Mintz, and Michael Schmidt.

On episode #4 of the podcast This Week in Microbiology, Vincent, Cliff, Margaret, and Michael review foodborne bacterial illness in the context of outbreaks associated with cantaloupes and Lebanon bologna.

[powerpress url=”http://traffic.libsyn.com/twimshow/TWiM004.mp3″]

Click the arrow above to play, or right click to download TWiM #4 (51 MB .mp3, 75 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:

  • CDC statement on Salmonella outbreak
  • CDC statement on E. coli outbreak
  • CIDRAP summaries of cantaloupe and bologna associated outbreaks
  • ProMedMail summary of Salmonella outbreak
  • Summary of food related illness in US (pdf)
  • Food safety and irradiation (CDC)
  • Geosmin (thanks, Atila!)
  • Letters read on TWiM #4

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.

Filed Under: This Week in Microbiology Tagged With: bologna, cantaloupe, foodborne, gastroenteritis, illness, podcast, salmonella, twim

TWiM 3: Anthrax, genomics, and the FBI inquiry

25 March 2011 by Vincent Racaniello

Hosts: Vincent Racaniello, Cliff Mintz, Jo Handelsman, and Ronald Atlas.

On episode #3 of the podcast This Week in Microbiology, Vincent, Jo, Cliff, and Ron explore the genome analysis done in support of the Amerithrax investigation, and an insecticidal enterotoxin-deficient mutant of Bacillus thurigiensis.

[powerpress url=”http://traffic.libsyn.com/twimshow/TWiM003.mp3″]

Click the arrow above to play, or right-click to download TWiM #3 (55 MB .mp3, 60 minutes).

Subscribe to TWiM (free) at iTunes, the Zune Marketplace, by the RSS feed, or by email, or listen on your mobile device with the Microbeworld App.

Links for this episode:

  • Bacillus anthracis genome analysis for Amerithrax investigation (PNAS)
  • US Department of Justice summary of Amerithrax investigation (pdf)
  • Anthrax expert comments on FBI Amerithrax report
  • Genome data not sufficient for conviction in Amerithrax case
  • Insecticidal enterotoxin-deficient mutant of Bacillus thuringiensis (Microbiology)
  • Letters read on TWiM #3

Send your microbiology questions and comments (email or mp3 file) to twim@microbe.tv or leave voicemail at 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.

Filed Under: This Week in Microbiology Tagged With: Amerithrax, anthrax, bacillus, deficient, enterotoxin, fbi, genome, insecticidal, investigation, microbiology, mutant, podcast, thurigiensis

TWiM #2 – The plague, microbial virulence, and the gut microbiome

9 March 2011 by Vincent Racaniello

gut microbiomeOn episode #2 of This Week in Microbiology, Vincent, Cliff, and Michael review a fatal laboratory acquired Yersinia pestis infection, and how gut bacteria control body weight and metabolic activity..

[powerpress url=”http://traffic.libsyn.com/twimshow/TWiM002.mp3″]

Click the arrow above to play, or right-click to download TWiM #2 (52 MB .mp3, 75 minutes).

Subscribe to TWiM (free) at iTunes, the Zune Marketplace, by the RSS feed, or by email, or listen on your mobile device with the Microbeworld App.

Links for this episode:

  • Fatal laboratory acquired Yersinia infection (thanks, Alan!)
  • Hemochromatosis
  • Gut bacteria can control metabolic functions (mBio)
  • Systems biology approach to infectious disease research (mBio)
  • Dr. B. Brett Finlay’s 3D animations
  • Letters read on TWiM #2

Send your microbiology questions and comments (email or mp3 file) to twim@microbe.tv or leave voicemail at 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.

Filed Under: This Week in Microbiology Tagged With: bacteria, bacteriology, gut microbiome, microbiology, plague, prokaryote, yersinia

This Week in Microbiology

23 February 2011 by Vincent Racaniello

This Week in MicrobiologyHosts: Vincent Racaniello, Cliff Mintz, Michael Schmidt, and Stanley Maloy

I’m pleased to announce the launch today of This Week in Microbiology, a podcast that explores unseen life on Earth. As with our other podcasts This Week in Virology (TWiV) and This Week in Parasitism (TWiP), we will strive to produce an informal yet informative conversation about microbes which is accessible to everyone, no matter what their science background.

As a science Professor at Columbia University, I have spent my academic career directing a research laboratory focused on viruses. My enthusiasm for teaching inspired me to reach beyond the classroom using new media. TWiM is for everyone who wants to learn about the science of microbiology in a casual way.

While there are no exams or pop quizzes, TWiM does encourage interaction with the audience via comments on specific episodes (see below) and email. Listeners can also use MicrobeWorld to suggest topics for the show by submitting articles or papers to the site and tagging them with twim.

On episode #1 of This Week in Microbiology, Vincent, Cliff, Michael, and Stan discuss transfer of DNA from a human host to a bacterial pathogen, and the ability of dry copper to kill bacteria on contact.

[audio:http://traffic.libsyn.com/twimshow/TWiM_1_-_Neisseria_LINEs_up.mp3 | titles=TWiM 1]

Download TWiM #1 (58 MB .mp3, 63 minutes). To download, right-click or control-click on the link, then select save as.

Subscribe to TWiM (free) at iTunes, the Zune Marketplace, by the RSS feed, or by email, or listen on your mobile device with the Microbeworld App.

Links for this episode:

  • Horizontal gene transfer from a human host to a bacterial pathogen
  • LINE = Long INterspersed Element
  • Human DNA in Bacterial Genomes?
  • Dry copper kills bacteria on contact
  • Microbe by Elio Schaecter
  • Small Things Considered – Microbiology blog

Send your microbiology questions and comments (email or mp3 file) to twim@microbe.tv or leave voicemail at 908-312-0760. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twim.

Filed Under: This Week in Microbiology Tagged With: antimicrobial, copper, microbiology, neisseria gonorrhoeae, twim

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by Vincent Racaniello

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