Scientists Discover New Flu Gene That Affects Infection
Scientists from the University of Cambridge and colleagues discovered a new flu gene that affects how the influenza virus' host responds to the virus. The new gene labeled as PA-X, also paved the way towards further understanding of the influenza genome.
Cambridge scientist Bret Jagger and team found the gene in the virus' third RNA strand, which has been known to contain only the PA gene, that helps the virus to copy its genome. The researchers said that without the PA-X gene, the infected cells activate immune gene more intensely and much earlier in the course of action. This occurrence generates another reaction from nearby uninfected cells, leading to an extreme counter attack and more severe illness. Thus, PA-X acts like a viral ambassador by manipulating the host's genes to control its reaction to the virus.
Read the original article at http://blogs.discovermagazine.com/notrocketscience/2012/06/28/new-flu-gene-found-hiding-in-plain-sight-and-affects-severity-of-infections/ and the research article at http://www.sciencemag.org/content/early/2012/06/27/science.1222213.
This article is part of the Crop Biotech Update, a weekly summary of world developments in agri-biotech for developing countries, produced by the Global Knowledge Center on Crop Biotechnology, International Service for the Aquisition of Agri-Biotech Applications SEAsiaCenter (ISAAA)
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