摘要
目的:介绍核糖体DNA(rDNA)的内转录间隔区(ITS)序列的结构特征和在寄生虫学研究应用中的最新研究进展。方法:检索有关文献进行综合分析。结果:rDNA ITS1和ITS2序列为寄生虫的鉴定提供了非常有价值的遗传标记。结论:核糖体DNA上的ITS区域序列的进化速度较其它区域快,具有高变异性,可以从中获得大量的遗传信息,已成为在种和亚种水平上对寄生虫进行分类鉴定的有效手段。
Objective: To introduce the recent progress on the structural features of Ribosomal DNA internal transcribed spacer sequence and application in parasitology. Methods: Relative literatures were summarized and analyzed. Results: Ribosomal DNA internal transcribed spacer land internal transcribed spacer 2 sequence provided very valuable genetic markers in identification of parasites. Conclusion:Ribosomal DNA internal transcribed spacer evolutionary faster than other regions. It had high variability and a lot of genetic information could be acquired. So Ribosomal DNA internal transcribed spacer has become a effective means in the classification identification in parasites species and subspecies.
出处
《大理学院学报(综合版)》
CAS
2008年第4期79-81,共3页
Journal of Dali University
基金
云南省自然科学基金资助项目(2005C0075M)
关键词
RDNA
ITS1
RDNA
ITS2
寄生虫
Ribosomal DNA internal transcribed spacer 1
Ribosomal DNA internal transcribed spacer 2
parasites