海龙及其常见伪品的RAPD鉴别Identification on Syngnathus and its adulterants with random amplified polymorphic DNA
吴艳;刘佳;王梦月;鞠培俊;李晓波;
WU Yan,LIU Jia,WANG Mengyue,JU Peijun,LI Xiaobo(School of Pharmacy,Shanghai Jiao Tong University,Shanghai 200240,China)
摘要(Abstract):
目的:提供一种鉴别中药材海龙及其伪品的方法。方法:采用随机引物扩增DNA技术,对拟海龙、刁海龙、尖海龙、粗吻海龙、海蠋鱼、宝珈海龙进行基于Nei&Li's相似系数的UPGMA聚类分析,并构建其鉴别模式。结果:从18条随机引物中筛选到LJ04,LJ09,LJ16,LJ19 4条引物能扩增出稳定可靠的条带。基于以上4条随机引物构建的聚类图能较好的从属水平区分各海龙样品,且与样品外观分析结果一致。基于LJ09,LJ19 2条引物的扩增结果构建的6种海龙的鉴别模式可以将海龙正品逐一鉴别出来。结论:随机引物扩增DNA技术能较好地鉴别海龙及其伪品。
Objective: To study the identification method of Syngnathus and its adulterants.Method: Random amplified polymorphic DNA(RAPD) was used to construct a dendrogram by UPGMA method based on Nei & Li's coefficient and a genetic affinity pattern for Syngnathus acus,Solenognathus hardwickii,Syngnathoides biaculeatus,Trachyrhamphus serratus,Halicampus koilomatodon,Microphis boaja.Result: Four primers,LJ04,LJ09,LJ16 and LJ19,from 18 random primers were used in the dendrogram which can differentiate Syngnathus in genus level and showed a great consistence with the appearance identification.The genetic affinity pattern based on primers LJ09 and LJ19 could be used to identify Syngnathus from its adulterants.Conclusion: RAPD is suitable to identify Syngnathus and its adulterants.
关键词(KeyWords):
海龙;伪品;RAPD
Syngnathus;adulterant;RAPD
基金项目(Foundation): 国家自然科学基金项目(30672620)
作者(Author):
吴艳;刘佳;王梦月;鞠培俊;李晓波;
WU Yan,LIU Jia,WANG Mengyue,JU Peijun,LI Xiaobo(School of Pharmacy,Shanghai Jiao Tong University,Shanghai 200240,China)
Email:
DOI:
参考文献(References):
- [1]李士敏,吴筱丹,曾苏,等.海龙体外抗肿瘤活性研究[J].中国中药杂志,2001,26(3):193.
- [2]施锐,张友会,王忠革.拟海龙提取物的实验研究[J].中国海洋药物,1993,12(2):4.
- [3]张朝晖,倪庆桂,吴立云,等.粗吻海龙抗肿瘤作用的研究[J].中国海洋药物,1998,17(4):10.
- [4]中国药典.一部[S].2005:207.
- [5]张朝晖,徐国钧,徐珞珊,等.海龙科药用资源调查[J].中药材,1997,20(5):224.
- [6]湖南卫生厅.湖南省中药材标准[S].1993:257.
- [7]吴志高,胡嵘,陈琦.真伪海龙的显微鉴别[J].长春中医学院学报,1994(2):83.
- [8]张朝晖,濮祖茂,徐珞珊,等.海龙类药材扫描电镜观察[J].中药材,1997,20(12):604.
- [9]李永明,赵玉琪.实用分子生物学方法手册[M].北京:北京大学出版社,1998:176.