天津医药 ›› 2017, Vol. 45 ›› Issue (6): 648-651.doi: 10.11958/20170418

• 流行病学调查 • 上一篇    下一篇

2014—2016 年河南省鼠类携带汉坦病毒的病原学分析

杜燕华,李懿,马宏,王海峰,许汴利,黄学勇△   

  1. 郑州,河南省疾病预防控制中心,河南省传染病病原生物重点实验室(邮编 450016)
  • 收稿日期:2017-04-06 修回日期:2017-04-28 出版日期:2017-06-15 发布日期:2017-07-05
  • 通讯作者: △通讯作者 E-mail: hxyzzu@163.com E-mail:hxyzzu@163.com
  • 作者简介:杜燕华(1981),女,硕士,副主任技师,主要从事传染病预防控制方面研究
  • 基金资助:
    国家自然科学基金资助项目(81573204);河南省科技创新人才计划(164100510008)

Pathogenic analysis of rat infected hantavirus in Henan province, 2014-2016

DU Yan-hua, LI Yi, MA Hong, WANG Hai-feng, XU Bian-li, HUANG Xue-yong△   

  1. Henan Provincial Center for Disease Control and Prevention, Henan Key Laboratory of Pathogenic Organism, Zhengzhou 450016, China
  • Received:2017-04-06 Revised:2017-04-28 Published:2017-06-15 Online:2017-07-05
  • Contact: △Corresponding Author E-mail: hxyzzu@163.com E-mail:hxyzzu@163.com

摘要: 目的 分析河南省鼠类携带汉坦病毒的基因型别和病原学特点。方法 选取 2014—2016 在驻马店市确 山县捕获的 600 只鼠类标本,分析该地区野外和居住区优势鼠种和鼠密度。采用 RT-PCR 法扩增鼠肺标本中汉坦 病毒的特异性片段(M 和 S 片段),以 M 片段(2 003~2 302 nt)构建系统发生树,分析基因亚型和进化特点。结果 确 山县野外优势鼠种为褐家鼠和黑线姬鼠,鼠密度在 1.33%~1.83%;居住区优势鼠种为褐家鼠、小家鼠和黄胸鼠,鼠密 度 1.36%~1.97%。RT-PCR 结果显示 2014 年 3 只鼠携带汉坦病毒,鼠种分别为小家鼠、大仓鼠和褐家鼠。3 株病毒 M 片段和 S 片段核苷酸同源性均为 100%,基于 M 片段的系统进化分析显示属于 S4 亚型汉城型汉坦病毒,与韩国和 我国湖北省分离的病毒亲缘关系较近。结论 河南省确山县鼠类携带的汉坦病毒为 S4 亚型,宿主范围广泛,有必 要采取相关防控措施,预防肾综合征出血热的流行。

关键词: 肾综合征出血热, 汉坦病毒, 基因型, 河南, 病原学, 系统进化分析

Abstract: Objective To analyze the genotyping of hantavirus and investigate the pathogenic features of local rats in Henan province. Methods A total of 600 rats captured in Queshan county, Zhumadian city from 2014-2016 were chosen to find out the major species and density. Rat lung specimens were detected by RT-PCR using partial M and S segment primers, then sequencing and phylogenetic analysis based on M segment (2 003-2 302 nt) were performed to analyze gene subtype and evolution. Results In the field of Queshan county, major species were sewer rats and apodemus agrarius, and the average density of rats was 1.33%-1.83%. Sewer rats, mus musculus and apodemus agrarius were major species in the residential area, and the average density of rats was 1.36%- 1.97% . Hantaviruses were detected by RT- PCR in three captured rats in 2014, and the species were mus musculus, cricetulus triton and sewer rats. Nucleotide homology similarity based M and S segment of three positive products was 100%. Phylogenetic analysis indicated the virus was belonged to S4 subgenotype of Seoul virus, which was similar with the strains in Korea and Hubei province, China. Conclusion The virus from rats in Queshan county, Henan province is seoul virus, S4 subgenotype. It is necessary to take the relevant prevention and control measures to prevent hemorrhagic fever of renal syndrome because of wide host range.

Key words: hemorrhagic fever with renal syndrome, Hantann virus, genotype, Henan, etiology, phylogenetic analysis