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TWiV 154: Symbiotic safecrackers

23 October 2011 by Vincent Racaniello

mmtvHosts: Vincent Racaniello, Alan Dove, and Rich Condit

Vincent, Alan, and Rich are very enthusiastic about two studies that show how gut bacteria help viral invaders.

[powerpress url=”http://traffic.libsyn.com/twiv/TWiV154.mp3″]

Click the arrow above to play, or right-click to download TWiV 154 (46 MB .mp3, 77 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:

  • TWiV154 transcript (pdf)
  • Retrovirus transmission dependent on commensal microbiota (Science)
  • Intestinal microbiota promote enteric virus replication (Science)
  • TWiV 3D timeline (9 MB .mv4 – thanks, Ricardo)
  • Faleye’s photos at VirusTalk
  • TWiV on Facebook
  • Letters read on TWiV 154

Weekly Science Picks

Alan – SciWriteLabs
Vincent – Take as directed

Listener Pick of the Week

Tony – Introduction to AI online course

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: bacteria, commensal, IL-10, lipopolysaccharide, lps, microbiota, MMTV, poliovirus, retrovirus, symbiotic, TLR4, TLR7, viral, virology, virus

This Week in Microbiology (TWiM) #12: Photothermal nanoblades and genome engineering

29 July 2011 by Vincent Racaniello

intracellular modelHosts: Vincent Racaniello, Michael Schmidt, Margaret McFall-Ngai, and Elio Schaechter

On episode #12 of the podcast This Week in Microbiology, Vincent, Margaret, Michael and Elio review the use of photothermal nanoblades to dissect the Burkholderia intracellular life cycle, and manipulation of chromosomes in vivo for genome-wide codon replacement in E. coli.

[powerpress url=”http://traffic.libsyn.com/twimshow/TWiM012.mp3″]

Click the arrow above to play, or right click to download TWiM #12 (52 MB, .mp3, 75 minutes).

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

Links for this episode:

  • Using a photothermal nanoblade to study intracellular life cycle (PNAS)
  • Reynolds number
  • Theriot lab movie collection
  • Manipulation of chromosomes in vivo (Science)
  • Stop codons
  • Church’s personal genomes project
  • Letters read on TWiM #12

Send your microbiology questions and comments (email or mp3 file) to twim@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 twim.

Filed Under: This Week in Microbiology Tagged With: bacteria, burkholderia, e.coli, engineering, genome, intracellular, microbe, microbiology, nanoblades, Photothermal

TWiV 142: Viral oinkotherapy

17 July 2011 by Vincent Racaniello

seneca valley virusHosts: Vincent Racaniello, Rich Condit, and Alan Dove

Vincent, Rich, and Alan discuss a method for identifying viruses of individual environmental bacteria, and the using a picornavirus for oncotherapy.

[powerpress url=”http://traffic.libsyn.com/twiv/TWiV142.mp3″]

Click the arrow above to play, or right-click to download TWiV 142 (69 MB .mp3, 95 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:

  • Probing individual bacteria for their viruses (Science)
  • Looking in vivo at virus-bacterium interactions (ScienceDaily)
  • Integrated fluidic circuit (Fluidigm)
  • Oncotherapy with Seneca Valley Virus (Clin Cancer Res)
  • Epidemiology of Seneca Valley virus (pdf)
  • Senecavirus at ViralZone
  • Small cell lung cancer (NCBI)
  • ECOG performance status
  • RECIST
  • TWiV on Facebook
  • Letters read on TWiV 142

Weekly Science Picks

Alan – Germlines podcast
Rich – science360
Vincent – Google+

 

Listener Pick of the Week

Angus – Science Weekly with Alok Jha

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: bacteria, bacteriophage, lung cancer, microfluidics, oncotherapy, picornavirus, seneca valley virus, small cell lung carcinoma, spirochete, termite, treponema, tumor, viral, virology, virus

Omega tau podcast – viruses, bacteria, and other parasites

17 July 2011 by Vincent Racaniello

omega tau podcastAfter a listener made the Omega tau podcast his pick of the week on TWiV129, I sent a note to the show’s author, Marcus Völter. He responded by inviting me on his program. I brought Dickson Despommier with me and we recorded a wide-ranging conversation on viruses, bacteria, and parasites. It is very basic, so if you have ever felt that TWiV, TWiP, or TWiM are too advanced, you might like this episode.

[powerpress url=”http://traffic.libsyn.com/omegataupodcast/omegatau-70-virusesBacteriaParasites.mp3″]

Click the arrow above to play, or right-click to download Omega tau 70 (85 MB .mp3, 55 minutes).

Omega tau is a podcast covering interesting topics in science and engineering, co-hosted by Marcus Völter and Nora Ludewig.

Filed Under: Information Tagged With: bacteria, microbe, parasite, podcast, viral, virology, virus

TWiM 10: A symbiotic cloaking device

29 June 2011 by Vincent Racaniello

euprymna scolopesHosts: Vincent Racaniello, Michael Schmidt, Dickson Despommier, Margaret McFall-Ngai, and Elio Schaecter

On episode #10 of the podcast This Week in Microbiology, Vincent, Margaret, Elio, Michael and Dickson discuss the symbiosis between the Hawaiian bobtail squid and the luminous, gram-negative bacterium Vibrio fischeri.

[powerpress url=”http://traffic.libsyn.com/twimshow/TWiM010.mp3″]

Click the arrow above to play, or right click to download TWiM #10 (47 MB, .mp3, 68 minutes).

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

Links for this episode:

  • V. fisheri factors that trigger squid tissue development (Science)
  • Transcriptional patterns of the Vibrio-squid diel rythmn (PNAS)
  • The Hawaiian bobtail squid (Microbeworld)
  • Microbes pull strings in the human body (ScienceNews)
  • Letters read on TWiM #10

Send your microbiology questions and comments (email or mp3 file) to twim@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 twim.

Filed Under: This Week in Microbiology Tagged With: bacteria, bobtail squid, gram negative, luminous, microbe, mutualism, symbiosis, vibrio fischeri

TWiM 8: Live in NOLA

3 June 2011 by Vincent Racaniello

This Week in Microbiology #8Hosts: Vincent Racaniello, Michael Schmidt, Stan Maloy, Andreas Baümler, Nicole Dubilier, and Paul Rainey.

Vincent, Michael, and Stanley recorded episode #8 of the podcast This Week in Microbiology live at the 2011 ASM General Meeting in New Orleans, with guests Andreas Baümler, Nicole Dubilier, and Paul Rainey. They spoke about how pathogens benefit from disease, symbioses between chemosynthetic bacteria and marine invertebrates, and repetitive sequences in bacteria.

[powerpress url=”http://traffic.libsyn.com/twimshow/TWiM008.mp3″]

Click the arrow above to play, or right click to download TWiM #8 (60 MB, .mp3, 87 minutes).

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

Links for this episode:

  • Salmonella invasion from the gut lumen into tissues (PLoS Pathogens)
  • Symbiotic diversity in marine animals (Nature Rev Micro)
  • REPINs, a new family of mobile DNA in bacteria (PLoS Genetics)
  • Letters read on TWiM #8
  • Video of TWiM #8 – view below

 

Send your microbiology questions and comments (email or mp3 file) to twim@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 twim.

Filed Under: This Week in Microbiology Tagged With: andreas, ASM, bacteria, baumler, benefit, chemosynthetic, disease, dubilier, evolution, gastroenteritis, general, invertebrates, live, marine, meeting, new orleans, nicole, pathogens, paul, rainey, repetitive, salmonella, sequences, symbioses, virulence

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by Vincent Racaniello

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Questions? virology@virology.ws

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