The host origin of influenza A viruses can be assessed by the intracellular cleavage of the viral nucleocapsid protein
Identifieur interne : 002239 ( Main/Exploration ); précédent : 002238; suivant : 002240The host origin of influenza A viruses can be assessed by the intracellular cleavage of the viral nucleocapsid protein
Auteurs : O. P. Zhirnov [Russie]Source :
- Archives of Virology [ 0304-8608 ] ; 1988-09-01.
English descriptors
- Teeft :
- Animal influenza viruses, Animal viruses, Avian, Chicken embryo cells, Cleavage, Further studies, Host origin, Host range, Human epidemic, Human influenza, Human origin, Human viruses, Influenza, Influenza strains, Influenza virus, Influenza virus strains, Influenza viruses, Intracellular cleavage, Large number, Major nucleocapsid protein, Natural populations, Nucleoprotein, Nucleoprotein gene, Other hand, Sick child, Swine, Virol, Virology, Virus, Virus strains, Voprosi virusol, Wide spectrum, Zhirnov.
Abstract
Summary: The major nucleocapsid protein (NP) of many human influenza A viruses was reported to be cleaved in infected cells to reduce its molecular weight (MW) from 56 to 53 K [28]. This was not found in non-human influenza strains. In this paper two groups of viruses are described which break this rule. Two strains, A/New Jersey/8/76 (H1N1) and A/Baku/799/82 (H1N3), isolated from man possess uncleavable NP like animal viruses and a limited number of viruses of H1N1 and H3N2 subtypes isolated from animals possess NP which is cleaved like human viruses. To account for these observations it is proposed that there are two categories of influenza viruses, which cross interspecies barriers and migrate from animal to man or vice versa.
Url:
DOI: 10.1007/BF01311077
Affiliations:
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