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首页> 外文期刊>Antiviral Research >Amantadine-resistance among H5N1 avian influenza viruses isolated in Northern China.
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Amantadine-resistance among H5N1 avian influenza viruses isolated in Northern China.

机译:中国北方分离出的H5N1禽流感病毒中的金刚烷胺耐药性。

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摘要

We tested the amantadine-resistance among avian influenza A (H5N1) viruses isolated from chicken in Hebei Province of Northern China from 2001 to 2005, and investigated the amantadine use in this area. Plague reduction assay in MDCK cells showed that 83.3% isolates (5/6) were amantadine-resistant strains. The M2 sequence analysis revealed that four of five resistant isolates contained the point mutations (Ser to Asn) at position 31 that could confer resistance to amantadine. These results indicated that the incidence of amantadine-resistant viruses isolated in Northern China was particularly high. In the investigation of amantadine use, we found that amantadine was used extensively in poultry farms in this area, which maybe was one of reasons of the high amantadine-resistance incidence.
机译:我们测试了2001年至2005年从中国北方河北省鸡中分离出的禽流感A(H5N1)病毒对金刚烷胺的抗性,并调查了该地区金刚烷胺的使用情况。 MDCK细胞中的鼠疫减少检测结果表明,有83.3%的分离株(5/6)是耐金刚烷胺的菌株。 M2序列分析表明,五个抗性分离株中有四个在第31位含有点突变(Ser到Asn),可赋予对金刚烷胺的抗性。这些结果表明,在中国北方分离的耐金刚烷胺的病毒的发病率特别高。在对金刚烷胺使用的调查中,我们发现金刚烷胺在该地区的家禽养殖场中被广泛使用,这可能是金刚烷胺抗药性高的原因之一。

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