印度东北地区的犬类帕尔沃病毒:一个遗传学和进化分析
Kiran Jayappa1, Tridib Kumar Rajkhowa1, Satish S Gaikwad2
1Department of Veterinary Pathology, College of Veterinary Sciences & Animal Husbandry, Central Agricultural University (I), Selesih, Aizawl, Mizoram, India.
The veterinary quarterly
|October 1, 2024
概括
狗类帕维病毒2型 (CPV-2) 在全球范围内引起年轻狗的重大疾病. 这项研究确定了
科学领域:
- 兽医病毒学 兽医病毒学
- 分子流行病学分子流行病学
- 基因组学就是基因组学.
背景情况:
- 狗类帕维病毒2型 (CPV-2) 是全球年轻狗的主要发病和死亡原因.
- CPV-2 呈现出高突变率,导致由VP2 基因标记物分类的新变体的出现.
- 了解CPV-2的遗传多样性和地理传播对于疾病控制至关重要.
研究的目的:
- 调查印度东北部地区 (NER) 的CPV-2分子流行病学.
- 为了确定在印度NER循环的占主导地位的CPV-2菌株.
- 分析印度CPV-2分离体的遗传多样性和植物地理.
主要方法:
- 从印度NER的七个州的20只CPV-2感染的狗身上测序了几乎完整的基因组.
- 对CPV-2分离物的植物动力学和植物地理分析.
- 对VP2基因进行氨基酸序列分析,用于变异分类.
主要成果:
- 所有20个印度分离物都具有"亚洲CPV-2c血统"的特征氨基酸残留物.
- 遗传学分析证实,印度分离物与其他亚洲CPV-2c序列形成了一个单类.
- 人类地理分析表明,亚洲CPV-2c菌株从中国进入印度.
结论:
- "亚洲CPV-2c血统"是印度东北部地区流行的主要菌株.
- 这项研究提供了印度CPV-2的第一个全面的分子流行病学报告.
- 这些发现表明,印度占主导地位的CPV-2c菌株的潜在来源来自中国.
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