›› 2011, Vol. 38 ›› Issue (12): 122-124.

• 生物技术 • 上一篇    下一篇

五华鸡J亚群白血病病毒env部分基因的克隆和序列分析

戴银, 张丹俊, 胡晓苗, 赵瑞宏   

  1. 安徽省农业科学院畜牧兽医研究所,安徽合肥 230031
  • 收稿日期:1900-01-01 修回日期:2011-07-13 出版日期:2011-12-20 发布日期:2011-12-20
  • 通讯作者: 张丹俊

DNA Cloning and Sequence Analysis of Partial env Gene of Avian Leukosis Virus Subgroup J in Wuhua Chicken Flocks

DAI Yin, ZHANG Dan-jun, HU Xiao-miao, ZHAO Rui-hong   

  1. Institute of Animal Husbandry and Veterinary Science, Anhui Academy of Agricultural Science, Hefei 230031, China
  • Received:1900-01-01 Revised:2011-07-13 Online:2011-12-20 Published:2011-12-20

摘要: 本试验通过PCR技术获得了安徽省地方品种五华鸡禽白血病病毒J亚群(avian leukosis virus subgroup J,ALV-J)env部分基因序列ALV-J-env1,并将该序列与GenBank数据库中登录的8条env基因相应序列进行了比对分析。结果表明,五华鸡已经感染了J亚群禽白血病,且部分鸡个体已经发病。通过分析可见,ALV-J-env1与所比较的基因序列同源性介于94.2%~96.6%之间,说明不同毒株之间的env基因有一定变异。但与ALV-J-env1同源性最高的是来自于中国ALV-J毒株的HQ425636和HM235665基因序列,且在进化树中聚集为一组,暗示它们之间亲缘关系较近,由共同的毒株进化而来。与ALV-J-env1同源性最低的是来源于马来西亚毒株的AY312965基因序列,遗传进化分析也进一步证实,两者之间亲缘关系较远。

关键词: 禽白血病病毒J亚群; env部分基因; 序列分析

Abstract: The partial sequence of avian leukosis virus subgroup J (ALV-J) env gene was cloned by PCR in Anhui province, which was named as ALV-J-env1. And we compared ALV-J-env1 with the partial sequence of eight ALV-J env genes in the GenBank database. The results showed that ALV-J infection in Wuhua chicken was found in Anhui province. Alignment of nine gene sequences of ALV-J env, the homology between ALV-J-env1 and the other sequences ranged from 94.2% to 96.6%. The result revealed that the env gene from different strains had the mutation at nucleotide sequence. However, the highest homology with ALV-J-env1 were HQ425636 and HM235665 gene sequences isolated from strains in China, and they gathered together in the evolutionary tree, indicating a close genetic relationship, and they evolved from common strains. The lowest homology with ALV-J-env1 was the gene sequence of AY312965 isolated from Malaysia, it could be further confirmed by phylogenetic analysis.

Key words: avian leukosis virus subgroup J; partial env gene; sequence analysis

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