tamHosts: Vincent Racaniello, Jo Handelsman, and Michael Schmidt

Vincent, Jo, and Michael discuss an archetypal protein transport system in bacterial outer membranes, and evidence that gut microbial enterotypes might not fall into defined groups.

 

Download TWiM #31 (55 MB, .mp3, 75 minutes).

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Burkholderia pseudomalleiHosts: Vincent RacanielloElio Schaechter, and Michael Schmidt

On episode #30 of the podcast, Vincent, Elio, and Michael review how a toxin from Burkholderia pseudomallei inhibits protein synthesis, and the role of the gut microbiome in modulating insulin resistance in mice lacking an innate immune sensor.

Download TWiM #30 (50 MB, .mp3, 70 minutes).

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phage spikeHosts: Vincent Racaniello and Stanley Maloy

On episode #29 of the podcast, Vincent and Stanley review how a phage pierces the cell membrane with an iron-loaded spike, and two programmed cell death systems in E. coli.

Download TWiM #29 (46 MB, .mp3, 63 minutes).

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caulobacterHosts: Vincent RacanielloElio Schaechter, and Michael Schmidt

On episode #28 of the podcast, Vincent, Michael, and Elio review how competition within a host drives virulence of Streptococcus pneumoniae, and the expanding universe of the bacterial cytoskeleton.

 

Download TWiM #28 (53.5 MB, .mp3, 77 minutes).

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Hosts: Vincent RacanielloElio Schaechter, and Michael Schmidt

On episode #27 of the podcast, Vincent, Elio, and Michael review how inflammation allows Salmonella to compete with fermenting gut microbes, and a riboswitch in bacterial and Archeal species that is triggered by fluoride.

Download TWiM #27 (52 MB, .mp3, 75 minutes).

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Listener pick of the week:

TrudyThe Ghost Map by Steven Johnson

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minitrapHosts: Vincent RacanielloElio Schaechter, and Michael Schmidt

On episode #26 of the podcast, Vincent, Elio, and Michael discuss the finding of Sutterella species in the gut of autistic children, and methods for cultivating oral bacteria.

Download TWiM #26 (54 MB, .mp3, 75 minutes).

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break_magnetHosts: Vincent RacanielloMichael Schmidt, and Elio Schaechter

On episode #25 of the podcast, Vincent, Elio, and Michael review bacteria that use the earth’s magnetic field for navigation, and identification of totally drug resistant Mycobacterium tuberculosis.

Download TWiM #25 (53 MB, .mp3, 77 minutes).

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microbiomeHosts: Vincent RacanielloMichael Schmidt, and Cliff Mintz

On episode #24 of the podcast, Vincent, Michael, and Cliff review ten compelling microbiology stories from 2011.

Ten Microbiology stories from 2011:

  1. Bean sprouts and E. coli O104H4 (TWiM 9, 20)
  2. H. pylori and asthma (TWiM 11)
  3. Airborne H5N1 influenza (TWiV 159)
  4. The microbiome (TWiM 2, 15, 19)
  5. Synthetic biology (TWiM 12)
  6. Probiotics (TWiM 24)
  7. Symbiosis (TWiM 8, 10, 17, 21)
  8. Turning E. coli into a pathogen (TWiM 18)
  9. Mammalian endothermy restricts fungi (TWiM 16)
  10. Microbiology 911 (TWiM 22)

Download TWiM #24 (57.5 MB, .mp3, 79 minutes).

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transportHosts: Vincent RacanielloMichael Schmidt, Jo Handlesman, and Elio Schaechter

On episode #23 of the podcast, Vincent, Jo, Elio, and Michael explain how a swarming bacterium helps disperse a non-motile fungus, and bacterial antibiotic tolerance mediated by hydrogen sulfide and starvation responses.

Download TWiM #23 (52.5 MB, .mp3, 76 minutes).

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Dr. SacchettiHosts: Vincent RacanielloMichael Schmidt, and Al Sacchetti

On episode #22 of the podcast This Week in Microbiology, Vincent and Michael speak with Alfred Sacchetti, MD, Chief of Emergency Services at Our Lady of Lourdes Medical Center, about microbial infections encountered in the emergency room.

Download TWiM #22 (48 MB, .mp3, 98 minutes).

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