May 2011

TWiV 135: Live in the Big Easy

Hosts: Vincent Racaniello, Roger Hendrix, Rachel Katzenellenbogen, and Harmit Malik Vincent and guests Rachel Katzenellenbogen, Roger Hendrix, and Harmit Malik recorded TWiV #135 live at the 2011 ASM General Meeting in New Orleans, where they discussed transformation and oncogenesis by human papillomaviruses, the amazing collection of bacteriophages on the planet, and the evolution of genetic conflict between virus and host. …

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Canine hepacivirus, a relative of hepatitis C virus

Contemporary human viruses most likely originated by cross-species transmission from non-human animals. Examples include HIV-1, which crossed from chimpanzees to humans, and SARS coronavirus, which originated in bats. Since the 1989 discovery of hepatitis C virus (classified as a hepacivirus in the family Flaviviridae) the origin of the virus been obscure. During the characterization of …

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TWiV 134: Meet Ralph, your cruise director

Hosts: Vincent Racaniello, Rich Condit, Dickson Despommier, Alan Dove, and Stephanie Karst Vincent, Rich, Alan, and Dickson review noroviruses with Stephanie Karst, PhD. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV134.mp3″] Click the arrow above to play, or right-click to download TWiV #134 (68 MB .mp3, 94 minutes). Subscribe to TWiV (free) in iTunes , at the Zune Marketplace, by the RSS feed, by email, or listen …

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TWiM 7 – Cycles of life and death, light and dark

Hosts: Vincent Racaniello, Margaret McFall-Ngai, Cliff Mintz, Elio Schaecter, 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. [powerpress url=”http://traffic.libsyn.com/twimshow/TWiM007.mp3″] Click the arrow …

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Not-so-similar fate of identical twins infected with HIV-1

For extra credit in my recently concluded virology course, I asked students to summarize a virology finding in the style of this blog. I received many excellent submissions which I plan to post here in the coming months. by Amanda Carpenter In 1983, identical twin boys simultaneously received a contaminated blood transfusion immediately after birth, …

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