retrovirus

From cell proteins to viral capsids

We have previously discussed the idea that viruses originated from selfish genetic elements such as plasmids and transposons when these nucleic acids acquired structural proteins (see A plasmid on the road to becoming a virus). I want to explore in more detail the idea that the structural proteins of  viruses likely originated from cell proteins (link to …

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TWiV 439: The purloined envelope

Paul Bieniasz joins the TWiV team to talk about the co-option, millions of years ago, of an endogenous retrovirus envelope protein by hominid ancestors for host defense against viral infection.   You can find TWiV #439 at microbe.tv/twiv, or listen. below. Click arrow to play Download TWiV 439 (74 MB .mp3, 122 min) Subscribe (free): iTunes, RSS, email Become a patron of TWiV!

TWiV 424: FLERVergnügen

Trudy joins the the TWiVlords to discuss new tests for detecting prions in the blood, and evidence showing that foamy retroviruses originated in the seas with their jawed vertebrate hosts at least 450 million years ago. You can find TWiV #424 at microbe.tv/twiv, or listen below. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV424.mp3″] Click arrow to play Download TWiV 424 (67 MB .mp3, …

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Interview with J. Michael Bishop

A major new feature of the fourth edition of Principles of Virology is the inclusion of 26 video interviews with leading scientists who have made significant contributions to the field of virology. For the chapter on Transformation and Oncogenesis, Vincent spoke with Nobel Laureate J. Michael Biship, of the University of California, San Francisco, about his career and his work on oncogenes.

TWiV 382: Everyone’s a little bit viral

On episode #382 of the science show This Week in Virology, Nels Elde and Ed Chuong join the TWiV team to talk about their observation that regulation of the human interferon response depends on regulatory sequences that were co-opted millions of years ago from endogenous retroviruses. You can find TWiV #382 at microbe.tv/twiv, or listen below. [powerpress …

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