Evidence for evolution of canine parvovirus type 2 in Italy

被引:440
|
作者
Buonavoglia, C
Martella, V
Pratelli, A
Tempesta, M
Cavalli, A
Buonavoglia, D
Bozzo, G
Elia, G
Decaro, N
Carmichael, L
机构
[1] Fac Vet Med, Dept Anim Hlth & Wellbeing, I-70010 Bari, Italy
[2] Univ Messina, Dept Pathol & Infect Dis, Messina, Italy
[3] Cornell Univ, James Baker Inst, Ithaca, NY USA
来源
JOURNAL OF GENERAL VIROLOGY | 2001年 / 82卷
关键词
D O I
10.1099/0022-1317-82-12-3021
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
Two isolates of canine parvovirus (CPV) were obtained from dogs affected with severe haemorrhagic diarrhoea. Type 2b antigenic specificity was predicted by both antigenic analysis with monoclonal antibodies and PCR characterization with type-specific primers. Nevertheless, sequence analysis of the capsid protein-encoding gene revealed two amino acid changes. One of the changes affected position 426 (Asp to Glu), in a major antigenic site of the viral capsid, determining the replacement of a residue unique to CPV type 2b. The failure of established typing methods to distinguish this antigenic variant was overcome by the development of an RFLP assay.
引用
收藏
页码:3021 / 3025
页数:5
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