Viral envelope - Wikipedia, the free encyclopedia
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Many viruses (e.g. influenza and many animal viruses) have viral envelopes covering their protein capsids. The envelopes typically are derived from portions of the host cell membranes (phospholipids...
en.wikipedia.org/wiki/Viral_envelope
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Groups of Viruses ... Animal Viruses - consequences of virus infection of a animal host cell include: ... nonenveloped viruses...
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www.cas.muohio.edu/~stevenjr/mbi202/viruses202outln.htm...
www.cas.muohio.edu/~stevenjr/mbi202/viruses202outln.html
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STUDY DESIGN AND METHODS: A procedure has been developed for inactivating lipid-enveloped and non-lipid-enveloped model viruses in normal human plasma by using iodine complexed to crosslinked potato starch. The established conditions are an iodine concentration of 1.05 mg per mL and 60 minutes' incubation.
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www.medscape.com/medline/abstract/8178330
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Results indicate that all products were effective in inactivating the enveloped viruses herpes simplex virus type 1 and human immunodeficiency virus type 1, whilst being ineffective in inactivating human coronavirus, also enveloped, and the non-enveloped viruses.
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www.medscape.com/medline/abstract/9602977
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Non-enveloped viruses lack this lipid bilayer surrounding their capsid and have the proteins associated with adsorption found directly on (or part of) the capsid. Among animal viruses, DNA viruses tend to be enveloped and RNA viruses non-enveloped (retroviruses are exceptions).
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mansfield.osu.edu/~sabedon/biol3025.htm
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This report summarizes the physical and epidemiological features of three non-enveloped viruses, hepatitis A virus, parvovirus B19, and the recently identified TT virus, and their transmission by blood and blood products.
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www.aegis.com/aidsline/2000/sep/A0090926.html
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Non-enveloped virus particles (those that lack a lipid-bilayer membrane) must breach the membrane of a target host cell to gain access to its cytoplasm. So far, the molecular mechanism of this ... This rearrangement resembles the conformational transitions of membrane fusion proteins of enveloped viruses3, 4, 5, 6...
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www.nature.com/nature/journal/v430/n7003/abs/nature0283...
www.nature.com/nature/journal/v430/n7003/abs/nature02836.html
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RNA Nonenveloped Viruses ... small (20-30 nm) nonenveloped, icosahedral, +ve ssRNA viruses Replicate in the cytoplasm resist lipid solvents (e.g. ether) The family includes 2 groups: 1- Enteroviruses 2- Rhinoviruses ... Non-paralytic poliomyelitis: a stiff neck; - This is similar to aseptic meningitis with fever, headache &
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www.scribd.com/doc/7314559/RNA-Non-Enveloped-Viruses
www.scribd.com/doc/7314559/RNA-Non-Enveloped-Viruses
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Enveloped animal viruses employ membrane fusion to cross the membrane barrier and enter the cytoplasm, and the viral surface proteins that mediate this process are termed fusion proteins.
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jvi.asm.org/cgi/content/full/76/19/9920
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