斯洛伐克野猪（Sus scrofa）中3型猪细小病毒和2型猪圆环病毒的特性分析
CHARACTERIZATION OF PORCINE PARVOVIRUS TYPE 3 AND PORCINE CIRCOVIRUS TYPE 2 IN WILD BOARS (SUS SCROFA) IN SLOVAKIA.
作者信息
Sliz Ivan, Vlasakova Michaela, Jackova Anna, Vilcek Stefan
机构信息
1 Department of Epizootiology and Parasitology, University of Veterinary Medicine and Pharmacy in Kosice, Komenskeho 73, 041 81 Kosice, Slovakia.
出版信息
J Wildl Dis. 2015 Jul;51(3):703-11. doi: 10.7589/2015-01-005. Epub 2015 May 14.
As the number of free-living wild boars (Sus scrofa L.) continues to rise in Slovakia, the probability of pathogen transmission between susceptible species increases. We investigated the distribution and genetic characterization of porcine parvovirus type 3 (PPV3), porcine circovirus type 2 (PCV2), and their coinfection in wild boars. Among 194 animals tested, 19.1% were positive for PPV3 and 43.8% for PCV2. Similar rates of coinfection with both viruses reaching 11.0% and 11.8% were observed in juvenile and mature wild boars, respectively. Phylogenetic analysis of PPV3 sequences from VP1 and NS1 genomic regions revealed a close genetic relationship among isolates from Slovakia and those sampled worldwide. Prevalence of PCV2 in wild boars was lower than that reported in domestic pigs in Slovakia. The PCV2 variants originating from sylvatic and domestic hosts in Slovakia were grouped in the same clusters, namely PCV2b-1A/1B and PCV2a-2D.
随着斯洛伐克自由生活野猪（Sus scrofa L.）数量持续增加，易感物种间病原体传播的可能性增大。我们调查了3型猪细小病毒（PPV3）、2型猪圆环病毒（PCV2）在野猪中的分布及基因特征，以及它们的共感染情况。在检测的194只动物中，PPV3阳性率为19.1%，PCV2阳性率为43.8%。在幼年和成年野猪中，两种病毒的共感染率分别为11.0%和11.8%。对来自VP1和NS1基因组区域的PPV3序列进行系统发育分析，结果显示斯洛伐克分离株与全球采样分离株之间存在密切的遗传关系。野猪中PCV2的流行率低于斯洛伐克家猪的报告流行率。源自斯洛伐克野生宿主和家养宿主的PCV2变异株归为同一簇，即PCV2b-1A/1B和PCV2a-2D。
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