Identification of a bisegmented double-stranded RNA virus (picobirnavirus) in calf faeces

被引：28

作者：

Buzinaro, MG

Freitas, PPS

Kisiellius, JJ

Ueda, M

Jerez, JA

机构：

[1] Univ Estadual Paulista, Dept Med Vet Prevent & Reprod Anim, BR-14884900 Jaboticabal, Estado Sao Paul, Brazil

[2] Inst Adolfo Lutz Registro, Dept Virol, BR-0124612 Sao Paulo, Brazil

[3] Univ Sao Paulo, Fac Med Vet & Zootecn, BR-00550890 Sao Paulo, Brazil

来源：

VETERINARY JOURNAL | 2003年 / 166卷 / 02期

基金：

巴西圣保罗研究基金会;

关键词：

picobirnavirus; diarrhoea; cattle; PAGE;

D O I：

10.1016/S1090-0233(03)00031-5

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

To determine the incidence of rotavirus infection among dairy herds in the State of Sdo Paulo, Brazil, 576 faecal samples obtained from calves aged 1-45 days with and without diarrhoea, reared on 63 dairy cattle farms, were analyzed. Polyacrylamide gel electrophoresis (PAGE) identified 28 samples positive for group A rotavirus, while four samples, two diarrhoeic and two non-diarrhoeic, showed a bisegmented genome with a typical picobirnavirus pattern. Electron microscopy revealed spherical virus particles with a diameter of 37 nm and without a defined surface structure. The present study is the first report of a bisegmented virus identified in cattle in Brazil. (C) 2003 Elsevier Science Ltd. All rights reserved.

引用

页码：185 / 187

页数：3

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