Temperature sensitivity in maturation of mammalian influenza A viruses
Identifieur interne : 002495 ( Main/Exploration ); précédent : 002494; suivant : 002496Temperature sensitivity in maturation of mammalian influenza A viruses
Auteurs : B. Giesendorf [Allemagne] ; F. X. Bosch [Allemagne] ; K. Wahn [Allemagne] ; R. Rot [Allemagne]Source :
- Virus Research [ 0168-1702 ] ; 1984.
English descriptors
- Teeft :
- Abortive infection, Academic press, Avian, Avian influenza viruses, Cell cultures, Cell surface, Chicken erythrocytes, Critical factor, Crna, Crna synthesis, Erythrocyte, Hemagglutinating activity, Host cell, Infectious particles, Infectious virus, Influenza, Influenza virus, Influenza viruses, Mammalian, Mammalian influenza, Mammalian influenza viruses, Mammalian virus strains, Maturation, Multiplication cycle, Nacl solution, Negative strand viruses, Nonpermissive temperature, Other hand, Protein synthesis, Room temperature, Rott, Similar results, Sodium phosphate buffer, Sufficient amounts, Temperature sensitivity, Temperature shift experiments, Temperature shifts, Uninfected cells, Viral, Viral components, Viral proteins, Virus, Virus growth, Virus maturation, Virus particles, Virus strains, Vrna.
Abstract
Abstract: In contrast to avian influenza viruses, mammalian influenza viruses are restricted in growth at 41°C compared to 37°C. We have shown that the block in the replication cycle at the nonpermissive temperature is late. Although all virus-specific components (vRNA, cRNA, proteins) are produced, there is no maturation to infectious particles.In the case of the virus strains A/FM/1/47 (H1N1) and A/Eq/Miami/63 (H3N8) no budding is observed. With A/PR/8/34 (H1N1) hemagglutinating, non-infectious, filamentous particles are produced at 41 °C which have a length of up to 6 μm and a markedly reduced content of NP- and M-proteins.
Url:
DOI: 10.1016/0168-1702(84)90056-X
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">Abstract: In contrast to avian influenza viruses, mammalian influenza viruses are restricted in growth at 41°C compared to 37°C. We have shown that the block in the replication cycle at the nonpermissive temperature is late. Although all virus-specific components (vRNA, cRNA, proteins) are produced, there is no maturation to infectious particles.In the case of the virus strains A/FM/1/47 (H1N1) and A/Eq/Miami/63 (H3N8) no budding is observed. With A/PR/8/34 (H1N1) hemagglutinating, non-infectious, filamentous particles are produced at 41 °C which have a length of up to 6 μm and a markedly reduced content of NP- and M-proteins.</div>
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