First molecular identification of porcine circovirus-like agents in dogs and cats in China

文献类型： 外文期刊

第一作者： Wen, Libin

作者： Wen, Libin;Mao, Aihua;Xie, Jianping;He, Kongwang;Wen, Libin;Mao, Aihua;Xie, Jianping;He, Kongwang

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关键词： Porcine circovirus-like agents; Molecular identification; Dog; Cat

期刊名称：VIRUS GENES （ 影响因子：2.332； 五年影响因子：2.0 ）

ISSN： 0920-8569

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收录情况： SCI

摘要： Porcine circovirus-like agents comprise two types of viruses: porcine circovirus-like viruses (P1, P2, P3, and P4) and porcine circovirus-like mini agents (PCVL258, PCVL264, PCVL201, and PCVL347). Of these, P1 has been identified in pigs, cattle, goats, and rabbits in China; P2, P3, P4, PCVL258, and PCVL264 have been identified in pigs; and PCVL201 and PCVL347 have been identified in cattle. The purpose of this study was to determine whether dogs and cats have been exposed to porcine circovirus-like agents. We screened 158 serum samples from diseased dogs and 41 from cats in China by PCR and nucleotide sequencing. In dogs, approximately 18% (n = 28) were positive for P1, 17% (n = 26) for PCVL258, and 9% (n = 14) for PCVL264; in cats, 17.1% (n = 7) were positive for P1, 9.8% (n = 4) for P4, and 14.6% (n = 6) for PCVL258. The P1 genomes in this study consisted of 648 nucleotides (nt) and shared 96.8 to 100% nt identity with other P1 genomes in GenBank. The P4 genome shared 98.3 to 100% nt identity with other reported P4 genomes, and PCVL258 and PCVL264 showed 100% nt identity with previously reported genomes. To our knowledge, this is the first report on molecular characterization of porcine circovirus-like agents in dogs and cats. Further studies are needed to clarify the epidemiology, evolution, and pathogenesis of porcine circovirus-like agents in dogs and cats.

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