EVOLUTION OF INFLUENZA-A(H1N1) VIRUSES DURING A PERIOD OF LOW ANTIGENIC DRIFT IN 1986-91 - SEQUENCE OF THE HA1 DOMAIN OF INFLUENZA-A FINLAND 158 91

被引：9

作者：

KINNUNEN, L ^{[1
]}

IKONEN, N ^{[1
]}

POYRY, T ^{[1
]}

PYHALA, R ^{[1
]}

机构：

[1] NATL PUBL HLTH INST,SF-00300 HELSINKI,FINLAND

来源：

RESEARCH IN VIROLOGY | 1992年 / 143卷 / 01期

关键词：

INFLUENZA; HEMAGGLUTININ; NUCLEOTIDE; SEQUENCE COMPARISON; ANTIGENIC DRIFT; EVOLUTION; VACCINES;

D O I：

10.1016/S0923-2516(06)80071-3

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

This study used the nucleotide sequence coding for the HA1 domain of virus haemagglutinin to show that influenza A/Finland/158/91, which represents the H1N1 sub-type viruses prevalent in Finland in 1990/91, was a direct descendant of a virus (A/NN/1605/88) isolated during the 1988/89 epidemic season in Japan. The elevated rate of 7.4 x 10(-3) nucleotide substitutions per site per year is discussed. The new branch of H1N1 subtype viruses is characterized by loss of a glycosylation site, which may affect subsequent antigenic drift.

引用

页码：11 / 16

页数：6

共 50 条

[1] AN INVESTIGATION OF ANTIGENIC DRIFT OF NEURAMINIDASES OF INFLUENZA-A (H1N1) VIRUSES
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