江苏省2012-2014年柯萨奇病毒A组16型分子流行病学特征分析

姚学君; 单军; 嵇红; 李靖欣; 张雪峰; 朱凤才

doi:10.16462/j.cnki.zhjbkz.2016.05.013

江苏省2012-2014年柯萨奇病毒A组16型分子流行病学特征分析

doi: 10.16462/j.cnki.zhjbkz.2016.05.013

姚学君¹,
单军²,
嵇红²,
李靖欣²,
张雪峰^2, ,,
朱凤才^2, ,

1. 盐城市疾病预防控制中心开发区分中心, 江苏盐城 224000;
2. 江苏省疾病预防控制中心疫苗临床评价所, 江苏南京 210009

基金项目:

“十二五”国家科技重大专项（2012ZX1002-001）；国家自然科学基金青年基金（81402732）

详细信息

作者简介:
姚学君(1987-),男,江苏盐城人,医师,硕士。主要研究方向:传染病流行病学;单军(1979-),女,山东兖州人,副主任技师,硕士。主要研究方向:病原微生物学。

中图分类号: R512.57;R394.21;R181
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出版历程
- 收稿日期: 2015-12-27
- 修回日期: 2016-02-21

Analysis on molecular epidemiology of Coxsackievirus A16 strains isolated from 2012 to 2014 in Jiangsu Province

1. Sub-center of Development Zones, Yancheng City Center for Disease Control and Prevention, Yancheng 224000, China;
2. Vaccine Clinical Evaluation Department, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China

摘要

摘要: 目的了解江苏省2012-2014年柯萨奇病毒A组16型（coxsackievirus A16，CA16）流行毒株基因型概况。方法收集江苏省2012-2014年儿童手足口病标本并送样，进行病毒分离培养获取相应毒株，用CA16特异性引物通过反转录聚合酶链反应技术进行VP1区基因片段扩增和测序，利用生物信息学软件对序列进行分析，并与CA16参比株序列进行同源性比较并构建基因进化树。结果分离得到82株CA16毒株，测序结果显示全部属于基因亚型B1，VP1基因分析显示其中9株毒株序列的基因亚型为B1a，另外73株毒株序列的基因亚型为B1b。CA16分离株VP1区核苷酸和氨基酸同源性分别为87.8%～100.0%和97.5%～100.0%；与CA16国际标准株G10核苷酸和氨基酸同源性分别为75.2%～78.2%和90.5%～91.9%。结论江苏省2012-2014年分离获得CA16毒株属于基因亚型B1，以B1a和B1b两个分支共同进化和流行，其中又以B1b为优势亚型。
- 手足口病 /
- 柯萨奇病毒感染 /
- 流行病学,分子
Abstract: Objective To analyze genetic characteristics of Coxsackievirus A16(CA16) strains isolated from Jiangsu Province from 2012 to 2014. Methods The clinical specimens were collected from children diagnosed as hand foot and mouth disease from 2012 to 2014, and CA16 virus strains were obtained by means of the specimens culture. The full-length VP1 gene fragments were amplified by reverse transcription polymerase chain reaction (RT-PCR) technique. Then, the amplified products were used for gene sequencing, sequence analysis were conducted by using bioinformatics software, phylogenetic tree was constructed and compared with CA16 reference strains for sequence homology. Results A total of 82 positive specimens were identified as CA16 from the confirmed HFMD patients and all CA16 strains' VP1 gene were sequenced successfully. For all the 82 strains, 9 strains were identified as B1a genotype and the others were B1b genotype, respectively. Sequence analysis results of these 82 strains showed that the nucleotide identity of 82 strains' VP1 genes ranged from 87.8% to 100.0% and the amino acid identity of 82 strains' VP1 proteins ranged from 97.5% to 100.0%. Compared with the ptototype strain CA16-G10,the homology of nucleotide sequences and amino acid sequences of VP1 gene were 75.2% to 78.2% and 90.5% to 91.9% respectively. Conclusions The CA16 strains isolated from 2012 to 2014 in jiangsu province belonged to subgenotype B1. The transmission mode showed that the dominant subgenotype of B1b and secondary subgenotype of B1a, were co-circulating together in Jiangsu Province. Both subgenotypes had close phylogenetic relationship.
- Hand foot and mouth disease /
- Coxsackievirus infections /
- Epidemiology, molecular

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参考文献(24)

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江苏省2012-2014年柯萨奇病毒A组16型分子流行病学特征分析

doi: 10.16462/j.cnki.zhjbkz.2016.05.013

作者简介:
姚学君(1987-),男,江苏盐城人,医师,硕士。主要研究方向:传染病流行病学;单军(1979-),女,山东兖州人,副主任技师,硕士。主要研究方向:病原微生物学。

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Analysis on molecular epidemiology of Coxsackievirus A16 strains isolated from 2012 to 2014 in Jiangsu Province

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留言板

江苏省2012-2014年柯萨奇病毒A组16型分子流行病学特征分析

doi: 10.16462/j.cnki.zhjbkz.2016.05.013

作者简介: 姚学君(1987-),男,江苏盐城人,医师,硕士。主要研究方向:传染病流行病学;单军(1979-),女,山东兖州人,副主任技师,硕士。主要研究方向:病原微生物学。

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出版历程

Analysis on molecular epidemiology of Coxsackievirus A16 strains isolated from 2012 to 2014 in Jiangsu Province

计量

出版历程

目录

作者简介:
姚学君(1987-),男,江苏盐城人,医师,硕士。主要研究方向:传染病流行病学;单军(1979-),女,山东兖州人,副主任技师,硕士。主要研究方向:病原微生物学。