influenza virus

TWiV 321: aTRIP and a pause

On episode #321 of the science show This Week in Virology, Paul Duprex joins the TWiV team to discuss the current moratorium on viral research to alter transmission, range and resistance, infectivity and immunity, and pathogenesis. You can find TWiV #321 at www.microbe.tv/twiv.

Origin of segmented RNA virus genomes

Segmented genomes abound in the RNA virus world. They are found in virus particles from different families, and can be double stranded (Reoviridae) or single stranded of (+) (Closteroviridae) or (-) (Orthomyxoviridae) polarity. Our recent discussion of the advantages of a segmented viral genome, compared with monopartitie genomes, generated a good discussion. Another interesting question concerns the evolutionary relationship between the two …

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A WORD on the constraints of influenza virus evolution

Evolution proceeds by selection of mutants that arise by error-prone duplication of nucleic acid genomes. It is believed that mutations that are selected in a gene are dependent on those that have preceded them, an effect known as epistasis. Analysis of a sequence of changes in the influenza virus nucleoprotein provides clear evidence that stability …

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TWiV 132: Virology 911

Hosts: Vincent Racaniello, Rich Condit, Dickson Despommier, Alan Dove, and Alfred Sacchetti Vincent, Rich, Alan, and Dickson speak with Alfred Sacchetti, MD, Chief of Emergency Services at Our Lady of Lourdes Medical Center, about viral infections encountered in the emergency room. [powerpress url=”http://traffic.libsyn.com/twiv/TWiV132.mp3″] Click the arrow above to play, or right-click to download TWiV #132 (48 MB .mp3, …

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