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Unformatted text preview: blocks viral DNA polymerase but not cellular DNA polymerase. Some cancers are caused by viruses hpv: human papillomavirus Virus proteins deregulate cell cycle Biology 6B 10.6 Viruses Brian McCauley Spring 2011 3 RNA Virus Life Cycle Membrane envelope 8 RNA segments, 10 proteins Easily recombines Influenza Virus Structure Hemagglutinin membrane glycoprotein binds to host cells helps viral membranes fuse with host membranes Neuraminidase helps virions get released from host cells H1N1 Influenza Virus Hemagluttinin amino acid sequences J. Cohen Science 324, 870 -871 (2009) B. Olsen et al., 312, 384 -388 (2006) Influenza A Phylogeny 2009 Swine flu virus J. Cohen 324, 1127 (2009) Biology 6B 10.6 Viruses Brian McCauley Spring 2011...
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