Phylogenetic analysis of GB viruses A and C: evidence for cospeciation between virus isolates and their primate hosts

被引：28

作者：

Charrel, RN ^{[1
]}

De Micco, P

de Lamballerie, X

机构：

[1] Fac Med Marseille, Lab Virol Mol Transfus & Trop, F-13385 Marseille, France

[2] Univ Texas, Med Branch, Ctr Tro Dis, Dept Pathol, Galveston, TX 77555 USA

来源：

JOURNAL OF GENERAL VIROLOGY | 1999年 / 80卷

关键词：

D O I：

10.1099/0022-1317-80-9-2329

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

GB viruses A and C (GBV-A and GBV-C) have been isolated from humans and non-human primates. Phylogenetic analysis based on full-length polyproteins suggests that these two viruses have a common ancestor. It has now been determined that analysis of subgenomic amino acid sequences in the E2 and NS5 regions of GBV-A and a 345 nucleotide segment in the 5' non-coding (5'NC) region was able to reproduce the phylogenetic relationships obtained by complete polyprotein sequences analysis. Using 5'NC sequences from databases, GBV-A isolates were discriminated into eight genetic groups, each one closely associated with specific primate hosts. Phylogenetic analyses performed on sequences from the epsilon-globin genes of primate hosts on one hand and complete polyprotein sequences from GBV-A and GBV-C isolates on the other suggest that a mechanism of cospeciation could be involved in virus evolution over a period of 35 million years.

引用

页码：2329 / 2335

页数：7

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