TWiM v3 275

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TWiM

This Week in Microbiology

As a science Professor at Columbia University, Racaniello has spent his academic career directing a research laboratory focused on viruses. His enthusiasm for teaching inspired him 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 (below), vial email and voicemail at 908-312-0760. Listeners can also use MicrobeWorld to suggest topics for the show by submitting articles or papers to the site and tagging them with "TWiM". Each week Racaniello will view the tagged content and select items for discussion.

TWiM co-hosts include Elio SchaechterMichael Schmidt, and Michele Swanson.

Music used on TWiM is composed and performed by Ronald Jenkees and used with permission.

Hosts: Vincent RacanielloMichael Schmidt, and Michele Swanson.

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

Atheromatous Plaque

 
 

Right click to download TWiM#81(49 MB .mp3, 71 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 (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.

 

Hosts: Vincent RacanielloElio 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.Xenopsylla cheopis

  

Right click to download TWiM#80 (52 MB .mp3, 54 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 (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.

Thursday, 29 May 2014 13:52

TWiM #79: A community of microbiologists

Written by

Hosts: Vincent RacanielloMichael Schmidt, and Michele Swanson.

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

 

Right click to download TWiM#79 (49 MB .mp3, 71 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:bcc

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.

Thursday, 15 May 2014 02:28

TWiM #78: A bacterium grows in Brooklyn

Written by

Hosts: Vincent RacanielloElio Schaechter, and Michael Schmidt.

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. 

 

Right click to download TWiM#78 (46 MB .mp3, 63 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:

MacConkey's agar

  

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.

Hosts: Vincent RacanielloElio SchaechterMichael Schmidt and Michele Swanson

Vincent, Elio, Michael, and Michelle review how a pathogen promotes plant attractiveness to insect vectors, and activation of sensory neurons that modulate pain and inflammation by bacterial infection.

healthyvsInfectedFlower

 

Right click to download TWiM#77 (49 MB .mp3, 68 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 (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.

Hosts: Vincent RacanielloElio SchaechterMichael Schmidt and Michele Swanson

Vincent, Elio, Michael, and Michelle discuss the use of bacteria to build a genetic sensor for heavy metals, and how host sugars help enteric pathogens to expand after antibiotic treatment.

GeneticCircuits

 

Right click to download TWiM#76 (48 MB .mp3, 67 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 (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.

Wednesday, 26 March 2014 20:45

TWiM #75: Pellicles on pickle jars

Written by

Hosts: Vincent RacanielloElio SchaechterMichael Schmidt and Michele Swanson

Vincent, Elio, Michael, and Michelle discuss a symbiosis between a bacterium and fungus that increases the virulence of oral biofilms, and the assembly of amyloid fibers, which are needed for biofilm formation.

rotting-teeth

Right click to download TWiM#75 (59 MB .mp3, 81 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 (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.

Hosts: Vincent RacanielloElio Schaechter, and Michael Schmidt

Vincent, Elio, and Michael discuss a huge 30,000 year old virus recovered from Siberia, and nested symbiosis facilitated by horizontal gene transfer from bacteria to insect. giant virus

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Right click to download TWiM#74 (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 (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.

Thursday, 27 February 2014 17:30

TWiM #73: Eyeing root nodule development

Written by

Hosts: Vincent RacanielloMichael Schmidt and Michele Swanson

Vincent, Michael, and Michele discuss how soil-dwelling bacteria induce the formation of root nodules on legumes via a protein called CYCLOPS. Redon cyclops

Right click to download TWiM#73 (57.5 MB .mp3, 80 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 (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.

Wednesday, 12 February 2014 20:12

TWiM #72: The benefits of virulence

Written by

Hosts: Vincent RacanielloElio SchaechterMichael Schmidt and Michele Swanson

Vincent, Elio, Michael, and Michele review how microbial virulence can be increased as a consequence of community surveillance and adaptation to macrophages.Mammalian Drosophila intestine

Right click to download TWiM#72 (53 MB .mp3, 74 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 (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.

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