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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
Pt 2
pubmed:dateCreated
1982-2-12
pubmed:abstractText
The major virus-specific proteins (HA, NA, NP, NS1 and M) of five different isolates of influenza B virus (B/Lee/40, B/Osaka/2/70, B/Yamagata/1/73, B/Aomori/1/76 and B/Yamagata/26/77) were compared by limited proteolysis with Staphylococcus aureus V8 protease and subsequent polyacrylamide gel electrophoresis. The peptide patterns of matrix (M) proteins from all five strains were virtually identical. The nucleoproteins (NP) as well as the non-structural proteins (NS1) were also very similar among strains although the peptides of B/Lee/40 could be distinguished from those of the strains isolated from 1970 to 1977. In contrast, the peptides from haemagglutinin (HA) glycoproteins were largely different even among the strains isolated later than 1970. It therefore appears that the HA glycoproteins of influenza B virus are more changeable than any of the non-glycosylated proteins. Furthermore, it was found that the maps of HA1 were markedly different among strains while the maps of HA2 were very similar, which suggests that the structural changes in the HA polypeptide occur preferentially in the HA1 portion. The neuraminidase (NA) glycoproteins also showed strain-dependent differences in their mapping patterns.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0022-1317
pubmed:author
pubmed:issnType
Print
pubmed:volume
56
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
315-23
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1981
pubmed:articleTitle
A comparison of proteins among various influenza B virus strains by one-dimensional peptide mapping.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, Non-U.S. Gov't