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新城疫病毒F_(48)E_8株HN基因的克隆和序列分析及与国外NDV HN基因的同源性比较
引用本文:李太元,金宁一,丁壮,王兴龙,金扩世,吕杰,米志强,殷震.新城疫病毒F_(48)E_8株HN基因的克隆和序列分析及与国外NDV HN基因的同源性比较[J].粉末涂料与涂装,2001(2).
作者姓名:李太元  金宁一  丁壮  王兴龙  金扩世  吕杰  米志强  殷震
作者单位:延边大学农学院动物医学系,中国人民解放军军需大学研究所,中国人民解放军军需大学研究所,中国人民解放军军需大学研究所,中国人民解放军军需大学研究所,沈阳农业大学,中国人民解放军军需大学研究所,延边大学农学院动物医学系 龙井133400,长春130062,长春130062,长春1300
基金项目:国家自然科学基金重大项目(398932904-3),“863”项目(101-05-03-1)资助。
摘    要:目的 克隆NDV F48E8株HN基因,与国外NDV HN基因进行比较分析。方法 提取 RNA,应用 RT-PCR一次性扩增出NDV F48E8株的全长HN基因,将该HN基因插入pKS(-)后进行克隆并测序。结果 NDV F48E8株的HN基因核苷酸长度为1713bp,编码571个氨基酸,有5个糖基化位点,12个极保守的半胱氨酸残基,与 国外发表的NDV序列相符。结论NDVF18E8株HN蛋白基因与国外发表的NDV HN蛋白基因核苷酸同源性在 83.3%~89.2%之间,推导的氨基酸同源性在87.6%-91.1%之间。

关 键 词:新城疫病毒  HN蛋白基因  RT-PCR  同源性

Cloning and Sequencing of HN Gene of Newcastle Disease Virus (NDV) Strain F_(48)E_8 and Homology of It to NDV HN Genes Abroad
LI Taiyuan,JIN Ningyi,DING Zhuang et al.Cloning and Sequencing of HN Gene of Newcastle Disease Virus (NDV) Strain F_(48)E_8 and Homology of It to NDV HN Genes Abroad[J].Chinese Journal of Biologicals,2001(2).
Authors:LI Taiyuan  JIN Ningyi  DING Zhuang
Abstract:Objective To clone FIN gene of Newcastle disease virus(NDV) strain F48E8 and compare it with NDV TIN genes abroad. Methods After the RNA of NDV strain F48E8was extracted, a whole length of HN gene was amplified by RT-PCR, then inserted into vector pKS(-)for cloning, and identified by sequencing. Results The whole length of the cloned gene was 1713bp. It contained 5 glycosylation sites and 12 highly conservative cysteine residues,and could encode 571 amino acids. All the results were consistent with those of NDV HN gene abroad. Conclusion Compared with the HN gene sequence abroad,the homologies of the clone HN gene and deduced amino acid sequence were 83.3% to 89.2% and 87.6% to 91.1% respectively.
Keywords:Newcastle disease virus HN gene Homology
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