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siRNA

TWiV 140: An aptitude for microbicides

3 July 2011 by Vincent Racaniello

cd4 aptamer

Hosts: Vincent Racaniello, Alan Dove, Rich Condit, and Judy Lieberman

Vincent, Alan, Rich, and Judy Lieberman review the use of CD4 aptamer-siRNA chimeras to inhibit HIV transmission.

[powerpress url=”http://traffic.libsyn.com/twiv/TWiV140.mp3″]

Click the arrow above to play, or right-click to download TWiV #140 (110 MB .mp3, 92 minutes).

Subscribe to TWiV (free) in iTunes , at the Zune Marketplace, by the RSS feed, by email, or listen on your mobile device with the Microbeworld app.

Links for this episode:

  • Inhibition of HIV transmission using CD4 aptamer-siRNA chimeras (J Clin Inves)
  • Stopping HIV transmission with a molecular barrier? (ScienceDaily)
  • An apt approach (Nat Med)
  • Smallpox immunization photos (Virus talk)
  • TWiV on Facebook
  • Letters read on TWiV 139

Weekly Science Picks

Alan – Inside insides
Rich – Rock stars of science
Vincent – A new open-access journal, and Francis Collins on NIH budget

Listener Pick of the Week

Kathy – Scientists and musicians compare notes (NPR)

Send your virology questions and comments (email or mp3 file) to twiv@microbe.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 twiv.

Filed Under: This Week in Virology Tagged With: AIDS, aptamer, HIV, judy lieberman, microbicide, RNA interference, siRNA, vaginal gel, viral, virology, virus

TWiV 138: RISCy business with Raul Andino

19 June 2011 by Vincent Racaniello

Drosophila melanogasterHosts: Vincent Racaniello and Raul Andino

Vincent meets up with Raul Andino in San Francisco to discuss the RNAi-based antiviral defense system of Drosophila, the fruit fly, and how it is antagonized by viruses.

[powerpress url=”http://traffic.libsyn.com/twiv/TWiV138.mp3″]

Click the arrow above to play, or right-click to download TWiV #138 (53 MB .mp3, 73 minutes).

Subscribe to TWiV (free) in iTunes , at the Zune Marketplace, by the RSS feed, by email, or listen on your mobile device with the Microbeworld app.

Links for this episode:

  • Antiviral immunity in Drosophila requires RNAi spread (Nature)
  • Cricket paralysis virus antagonizes Argonaute 2 in Drosophila (Nature Struct Biol)
  • Dicistroviridae at ViralZone
  • TWiV on Facebook

Send your virology questions and comments (email or mp3 file) to twiv@microbe.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 twiv.

Filed Under: This Week in Virology Tagged With: argonaute, dicer, drosophila, fly, immunity, innate immunity, raul andino, risc, RNA interference, siRNA, viral, virology, virus

TWiV 114: Ten out of ’10

2 January 2011 by Vincent Racaniello

vaccinia plaqueHosts: Vincent Racaniello, Alan Dove, and Rich Condit

On episode #114 of the podcast This Week in Virology, Vincent, Alan, and Rich revisit ten compelling virology stories of 2010.

[powerpress url=”http://traffic.libsyn.com/twiv/TWiV114.mp3″]

Click the arrow above to play, or right-click to download TWiV #114 (64 MB .mp3, 88 minutes).

Subscribe to TWiV (free) in iTunes , at the Zune Marketplace, by the RSS feed, or by email, or listen on your mobile device with Stitcher Radio.

Ten virology stories of 2010:

  1. XMRV, CFS, and prostate cancer (TWiV 113, 99, 98, 94, 89, 76, 70, 65)
  2. The ongoing saga of polio eradication (TWiV 110, 79)
  3. Viruses interact with the miRNA/siRNA system (TWiV 108, 72)
  4. Endogenous viruses – retro and beyond (TWiV 105, 91, 88, 65)
  5. Dengue virus progress and new outbreak (TWiV 111, 95, 82)
  6. Colony collapse disorder (TWiV 104)
  7. David Baltimore (TWiV 100)
  8. Ode to a plaque (TWiV 68)
  9. Vaccine contamination with circovirus (TWiV 86, 77, 75)
  10. Universal influenza vaccines (TWiV 107)

Weekly Science Picks

Rich – Elementary schoolchildren publish a science paper (original article and editorial with video) – thanks Kathy!
Alan – White-nose syndrome blog
Vincent – Headway, headlines and healthy skepticism

Send your virology questions and comments (email or mp3 file) to twiv@microbe.tv or leave voicemail at Skype: twivpodcast. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twiv.

Filed Under: This Week in Virology Tagged With: baltimore, cancer, CFS, circovirus, david, Dengue, endogenous, influenza, miRNA, plaque, polio, prostate, retrovirus, siRNA, vaccine, viral, virology, virus, xmrv

TWiV 89: Where do viruses vacation?

4 July 2010 by Vincent Racaniello

Hosts: Vincent Racaniello and Alan Dove

On episode #89 of the podcast This Week in Virology, Vincent and Alan review recent findings on the association of the retrovirus XMRV with ME/CFS, reassortment of 2009 pandemic H1N1 influenza virus in swine, and where influenza viruses travel in the off-season.

[powerpress url=”http://traffic.libsyn.com/twiv/TWiV089.mp3″]

Click the arrow above to play, or right-click to download TWiV #89 (56 MB .mp3, 78 minutes)

Subscribe to TWiV (free) in iTunes , at the Zune Marketplace, by the RSS feed, or by email, or listen on your mobile device with Stitcher Radio.

Links for this episode:

  • Conflicting XMRV papers on hold
  • Leak of PNAS paper
  • CDC study on XMRV in CFS patients (Retrovirology) and Science update
  • Where influenza viruses travel in the off season (EurekaAlert! and PLoS Pathogens)
  • NPR article on Ebola siRNA treatment (thanks, Andreas!)
  • Priming mechanism for reovirus entry (thanks, Agyeman-Badu!)
  • Wired article on science PR (thanks, Dan!)
  • Letters read on TWiV 89

Weekly Science Picks

Alan – Tree of Life graphic
Vincent
– TEDx Oil Spill

Send your virology questions and comments (email or mp3 file) to twiv@microbe.tv or leave voicemail at Skype: twivpodcast. You can also post articles that you would like us to discuss at microbeworld.org and tag them with twiv.

Filed Under: This Week in Virology Tagged With: CFS, chronic fatigue syndrome, Ebola, ebolavirus, entry, H1N1, influenza, mecfs, pandemic, reassortment, reovirus, retrovirus, seasonal influenza, siRNA, swine, swine flu, viral, virology, virus, xmrv

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by Vincent Racaniello

Earth’s virology Professor
Questions? virology@virology.ws

With David Tuller and
Gertrud U. Rey

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ME/CFS
Inside a BSL-4
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Interviews With Virologists

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