Hosts: Vincent Racaniello, Rich Condit, Julie Overbaugh, and Stacey Schultz-Cherry

Vincent, Rich, Julie and Stacey recorded TWiV at the 30th Annual Meeting of the American Society for Virology in Minneapolis, where they discussed the role of neutralizing antibodies in protection against HIV-1 infection, and astroviruses, agents of gastroenteritis.

Click the arrow above to play, or right-click to download TWiV 143 (48 MB .mp3, 66 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:

• HIV-1 neutralizing antibodies and risk of infant infection (J Virol)
• Astrovirus increases epithelial barrier (J Virol)
• Virology special reviews issue (open access)
• Don Ganem interrupted by fire alarm at ASV (YouTube)
• History of structural virology
• ASV 2011 at Minneapolis
• Photographs of TWiV at ASV
• Photographs of ASV 2011
• TWiV on Facebook
• Letters read on TWiV 143

Weekly Science Picks

Rich – Iter – building a fusion reactor
Vincent – American girls sweep at Google science fair (NY Times)

Listener Pick of the Week

Jing – Bees by Rudolph Steiner

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

Hosts: Vincent Racaniello, Rich Condit, Dickson Despommier, Alan Dove, and Kathleen Collins

Vincent, Rich, Alan, and Dickson discuss the cellular reservoir of HIV-1 with Kathleen Collins, MD, PhD.

Click the arrow above to play, or right-click to download TWiV #133 (42 MB .mp3, 87 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:

• HIV-1 infects multipotent progenitor cells (Nature Medicine)
• CXCR4 is HIV-1 co-receptor in multipotent hematopoietic stem and progenitor cells (Cell Host Microbe)
• TWiV and TWiM live at ASM General Meeting, New Orleans
• TWiV on Facebook
• Letters read on TWiV 132

Weekly Science Picks

Kathleen – TRIM5 is an innate immune sensor (Nature)
Rich – A Biologist’s Mothers Day Song (YouTube)
Alan – World of Viruses
Vincent – Magnet Balls (Amazon)

Listener Pick of the Week

Chris  - Periodic Tales by Hugh Aldersey-Williams

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

Hosts: Vincent Racaniello and Rich Condit

Vincent and Rich talk about how thymic selection of T cells might lead to better control of HIV-1 infection, and a mouse model for severe antibody-induced dengue virus disease.

This episode is sponsored by Data Robotics Inc. Use the promotion code TWIVPOD to receive $75-$500 off a Drobo.

Win a free Drobo S! Contest rules here.

Click the arrow above to play, or right-click to download TWiV #82 (59 MB .mp3, 82 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:

• Effect of thymic selection of T-cells on control of AIDS
• Mouse model of antibody-induced severe dengue virus disease
• Natural antibody protects against viral infection
• Kary Mullis idea for fighting infections (thanks, Erik!)
• 40 nm resolution of fluorescence photoactivation localization microscopy (thanks, José)
• Letters read on TWiV 82

Weekly Science Picks

Rich The Mold in Dr. Florey’s Coat: The Story of the Penicillin Miracle by Eric Lax
Vincent Proteopedia (thanks, Erik!)

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

Hosts: Vincent Racaniello, Dickson Despommier, and Rich Condit

Vincent, Dickson, and Rich discuss multipotent progenitor bone marrow cells as a reservoir of HIV-1, integration of HHV-6 into telomeres, and dispersal of West Nile virus across the US by mosquitoes.

This episode is sponsored by Data Robotics Inc. Use the promotion code VINCENT to receive $50 off a Drobo or $100 off a Drobo S.

Win a free Drobo S! Contest rules here.

Click the arrow above to play, or right-click to download TWiV #73 (63 MB .mp3, 87 minutes)

Subscribe to TWiV (free) in iTunes , at the Zune Marketplace, by the RSS feed, or by email.

Links for this episode:

• HIV-1 infects multipotent progenitor cells
• HHV-6 genome integrates into telomeres
• A role for mosquito-mediated dispersal of West Nile virus across the US
• Using tobacco  mosaic virus to produce synthetic photovoltaic cells (thanks Nissin!)
• Animation of HIV replication cycle (thanks Ilya!)
• Can computer viruses evolve? (thanks Norman!)
• Mumps outbreak in Israel (one and two) (thanks Ariel!)
• Bocavirus infections in children (thanks Tyler!)

Weekly Science Picks

Dickson Whole-Genome Sequencing in a Patient with Charcot–Marie–Tooth Neuropathy (NEJM and NY Times)
Rich Invisible Frontiers: The Race to Synthesize a Human Gene by Stephen Hall
Vincent Conference on Retroviruses and Opportunistic Infections –  videocasts

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

Hosts: Vincent Racaniello, Dick Despommier, and Alan Dove

Vincent, Dick, and Alan review a new macaque model for HIV-1 infection, a possible role for Epstein-Barr virus in multiple sclerosis, accidental release of H5N1 by a vaccine company, resistance of frogs to virus infection, and extreme virology – the biggest and smallest viruses and viral genomes.

Click the arrow above to play, or right-click to download TWiV #23 (34 MB .mp3,  49 minutes)

Links for this episode:

• Harold Varmus on The Daily Show
• Macaque model for HIV-1 infection (photo of pig-tailed macaque)
• Possible role of Epstein-Barr virus in multiple sclerosis
• Accidental distribution of H5N1 influenza virus by pharmaceutical company
• Major histocompatibility class I marker and frog resistance to viral infection
• Smallest virion and DNA genome: Circovirus
• Largest virion and DNA genome: Mimivirus
• Biggest RNA genome: (we forgot to mention on the show!) Coronavirus SW1
• List of viral genome lengths at NCBI
• Sputnik virophage
• Papers for Macintosh and iPhone

Science blog of the week: H5N1 by Croft
Science podcast pick of the week: MicrobeWorld video
Science book of the week: Autism’s False Prophets by Paul A. Offit, MD (podcast with Dr. Ginger Campbell)

Send your virology questions and comments to twiv@twiv.tv.

Subscribe to TWiV in iTunes, by the RSS feed, or by email.