Transmission of human enterovirus 85 recombinants containing new unknown serotype HEV-B donor sequences in Xinjiang Uighur autonomous region, China.

Transmission of human enterovirus 85 recombinants containing new unknown serotype HEV-B donor sequences in Xinjiang Uighur autonomous region, China.
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含有新的未知血清型 HEV-B 供体序列的人类肠道病毒 85 重组体在中国新疆维吾尔自治区的传播

DOI:
10.1371/journal.pone.0055480
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Xu W
Xu W
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Sun Q;Zhang Y;Zhu S;Tian H;Huang G;Cui H;Li X;Yan D;Zhu Z;Li J;Zheng P;Jiang H;Zhang B;Tan X;Zhu H;An H;Xu W

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背景人类肠道病毒85型(Human Enterovirus 85,HEV 85)是2000年在孟加拉国分离到的一种新型肠道病毒B型(Human Enterovirus B,HEV-85)。目前,在GenBank数据库中只有HEV 85的一个核苷酸序列(原型株的全基因组序列)。在这项研究中,我们报告了2011年在中国新疆维吾尔自治区流行的33株HEV 85分离株的遗传特征。序列分析表明,所有中国分离株均属于2条传播链,并与新的未知血清型HEV-B供体序列发生了型间重组。从1例急性弛缓性麻痹患者及其接触者中分离到的2株HEV 85分离株均为温度不敏感株,非编码区和2C或3D编码区的部分核苷酸替换可能影响了HEV 85株的温度敏感性。结论本研究所获得的中国人HEV 85重组体捕获了一个新的未知血清型HEV-B供体序列,表明中国新疆存在或流行新的未知血清型HEV-B。研究还表明,HEV 85是新疆流行的常见肠道病毒血清型。
Background Human enterovirus 85 (HEV85), whose prototype strain (Strain BAN00-10353/BAN/2000) was isolated in Bangladesh in 2000, is a recently identified serotype within the human enterovirus B (HEV-B) species. At present, only one nucleotide sequence of HEV85 (the complete genome sequence of the prototype strain) is available in the GenBank database. Principal Findings In this study, we report the genetic characteristics of 33 HEV85 isolates that circulated in the Xinjiang Uighur autonomous region of China in 2011. Sequence analysis revealed that all these Chinese HEV85 isolates belong to 2 transmission chains, and intertypic recombination was found with the new unknown serotype HEV-B donor sequences. Two HEV85 isolates recovered from a patient presenting acute flaccid paralysis and one of his contacts were temperature-insensitive strains, and some nucleotide substitutions in the non-coding regions and in the 2C or 3D coding regions may have affected the temperature sensitivity of HEV85 strains. Conclusions The Chinese HEV85 recombinant described in this study trapped a new unknown serotype HEV-B donor sequence, indicating that new unknown HEV-B serotypes exist or circulate in Xinjiang of China. Our study also indicated that HEV85 is a prevalent and common enterovirus serotype in Xinjiang.
DOI: 10.1099/0022-1317-82-2-409
发表时间: 2001-02-01
影响因子: 3.8
作者:
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发表时间: 1995-09-01
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