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Genetic Diversity of Porcine Circovirus Subtypes from Aborted Sow Fetuses in Vietnam
Current Microbiology ( IF 2.6 ) Pub Date : 2021-09-01 , DOI: 10.1007/s00284-021-02641-3
Ngoc Hai Nguyen 1, 2 , Duy Tien Do 1 , Trung Quan Nguyen 2 , Thuy Trang Nguyen 2 , Minh Nam Nguyen 3
Affiliation  

Porcine circovirus type 3 (PCV3) is an emerging circovirus that is highly distributed among swine worldwide and associated with porcine dermatitis and nephropathy syndrome, reproductive failure, and multisystemic inflammation. Here, we investigated and characterized PCV3 from aborted fetuses in Vietnam. We found that the whole genomes of PCV3 collected in these Vietnamese pig farms share 98.4–99.45% sequence identity with reference PCV3 sequences. Several distinct mutation were identified in both the Rep protein and Cap protein of these strains. These strains were clustered into two distinct subtypes (3a1 and 3b). This study contributes to a better understanding of the molecular characteristics and genetic diversity of PCV3 in Vietnam.



中文翻译:

来自越南流产母猪胎儿的猪圆环病毒亚型的遗传多样性

猪圆环病毒 3 型 (PCV3) 是一种新兴的圆环病毒,在全世界的猪群中高度分布,与猪皮炎和肾病综合征、繁殖障碍和多系统炎症有关。在这里,我们调查并表征了来自越南流产胎儿的 PCV3。我们发现在这些越南养猪场收集的 PCV3 全基因组与参考 PCV3 序列具有 98.4-99.45% 的序列同一性。在这些菌株的 Rep 蛋白和 Cap 蛋白中都发现了几个不同的突变。这些菌株被分为两个不同的亚型(3a1 和 3b)。本研究有助于更好地了解越南 PCV3 的分子特征和遗传多样性。

更新日期:2021-09-02
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