Molecular epidemiology and evolution of coxsackievirus A9-Reference-Cited by-同舟云学术

Molecular epidemiology and evolution of coxsackievirus A9

Published:2000-05-01 Issue:5 Volume:81 Page:1361-1372
ISSN:1350-0872
Container-title:Microbiology
language:en
Short-container-title:

Author:

Santti Juhana¹,Harvala Heli¹,Kinnunen Leena²,Hyypiä Timo³¹

Affiliation:

1. MediCity Research Laboratory and Department of Virology, University of Turku, Kiinamyllynkatu 13, FIN-20520 Turku, Finland1

2. Department of Epidemiology and Health Promotion, National Public Health Institute, Mannerheimintie 166, FIN-00300 Helsinki, Finland2

3. Haartman Institute, Department of Virology, PO Box 21, FIN-00014 University of Helsinki, Helsinki, Finland3

Abstract

Genetic relationships between 35 clinical isolates of coxsackievirus A9 (CAV9), collected during the last five decades from different geographical regions, were investigated by partial sequencing. Analysis of a 150 nucleotide sequence at the VP1/2A junction region identified 12 CAV9 genotypes. While most of the strains within each genotype showed geographical clustering, the analysis also provided evidence for long-range importation of virus strains. Phylogenetic analysis of a longer region around the VP1/2A junction (approximately 390 nucleotides) revealed that the designated genotypes actually represented phylogenetic lineages. The phylogenetic grouping pattern of the isolates in the analysis of the VP4/VP2 region was similar to that obtained in the VP1/2A region whereas analysis of the 3D region indicated a strikingly different grouping, which suggests that recombination events may occur in the region encoding the nonstructural proteins. Analysis of the deduced amino acid sequences of the VP1 polypeptide demonstrated that the RGD (arginine-glycine-aspartic acid) motif, implicated in the interaction of the virus with integrin, was fully conserved among the isolates.

Publisher

Microbiology Society

Subject

Microbiology

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