This episode: Bacteria are able to incorporate DNA from the environment into their genomes, even if it's thousands of years old!
(9.6 MB, 10.5 minutes)
This episode: Feeding mice high-fiber diets reduces their risk of allergic airway disease, even across generations!
(12.1 MB, 13.2 minutes)
Psi Wavefunction, an undergraduate in the Department of Botany, University of British Columbia, and the host of the blog Skeptic Wonder: Protists, Memes and Random Musings, has authored a guest post on Small Things Considered that looks at some confusing terminology associated with phylogenies:
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Host: Vincent Racaniello
Guest: Read More
Contagion is the name of a new action-thriller movie about a global outbreak of a deadly viral disease. Slated to be released in 2011, it is directed by Steven Soderbergh and stars Matt Damon, Kate Winslet, Jude Law, Marion Cotillard, Gwyneth Paltrow, and Lawrence Fishburne. That’s certainly an ... Read More
For or Against the "Too Clean Theory?": An Infection Control Debate
I’m not sure that any one person is completely for or against the Too Clean Theory. The intention of this article is to bridge the gap between the wide spectrum of opinions by showing how responsibility and moderation ultima... Read More
Stanley Falkow, Professor Microbiology and Immunology, Geographic Medicine, Infectious Diseases, Stanford University School of Medicine, presents the second part of a lecture on host-pathogen interaction. This one focuses on H. pylori (the ulcer bacterium) and the story behind its discovery by A... Read More
The federal government is reintroducing a powerful weapon in the fight against the H1N1 flu virus: Elmo.
The popular Sesame Street character will be featured in a series of public service advertisements meant to encourage better hygiene among young children, the Department of Health a... Read More
Host: Jeff Fox with special guest, Alexander Mankin and Michael Jewett.
Alexander Mankin –called Shura --of the University of Illinois, Chicago, and Michael Jewett at Northwestern University talk with Jeff Fox about their recent success in joining the 30S and 50S bacterial riboso... Read More
Michael and Vincent present Spotlights, brief reviews of classic papers in the Journal of Bacteriology, and explain how a single bacterial species can reverse autism-like social deficits in the offspring of obese mice.
This episode: Non-pathogenic Clostridium difficile strains can protect hamsters against their disease-causing bacterial siblings!
(7 MB, 7.5 minutes)
When hamsters were colonized with toxin-free strains of C. difficile, they were better able to resist infection b... Read More
Dear Dick Despommier
My name is Ruth
While I was watching a video of you explaining vertical farming you mentioned soil-less g... Read More
This episode: Helpful gut bacteria communicate with the immune system!
Hello Team TWiM,
I’ve followed with interest your coverage of Michael’s research into use of copper to fight hospital infection. Of all the interesting papers covered in 2013, I think the one most actionable is episode 55, The Copper Room. His res... Read More
This episode: Deep-sea thermophile bacteriophage is pirated by another scurvy genetic element!
(10.2 MB, 11.2 minutes)
The authors analyze the influenza outbreak in Mexico, and make an early assessment of transmissibility and severity. Read More
Developing tricks and tools to keep their enzymes in order is one way thermophiles survive. They also use techniques to keep their DNA from falling apart under intense heat. Like proteins, the parts of the long, spiral ladder-shaped DNA molecule start to unravel and break apart under high hea... Read More