Li-ying Yang, Rong-kun Su, Yu-yi Cai, Yong-hao Ye, Shu-yuan Li
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[DNA Barcode Screening and Identifying for Anredera cordifolia and Its Related Species].
Objective: To identify Anredera cordifolia and its closely related species using the DNA barcode.
Methods: 28 individuals of Anredera cordifolia and its close related species were collected from different habitats. ITS and ITS2 of ribosomal DNA,matK,rbcL and psb A-trn H of chloroplast DNA were amplified and sequenced. The amplification and sequencing success rate,barcoding gap,and NJ trees were used to evaluate the efficiency of species identification.
Results: After amplified and sequenced, base deletion was occurred in psb A-trnH sequences of Basella alba. The sequencing success rates of mat K,rbc L,ITS and ITS2 were 100%,100%,78. 75% and64. 28%,respectively. Among the four DNA barcoding sequences,ITS and mat K had remarkable barcoding gap. The NJ tree showed that Anredera cordifolia could differed obviously from its closely related species by ITS and mat K.
Conclusion: The sequences of ITS and matK provide an effective and fast tool for the identification and authentication of medicinal plant of Anredera cordifolia and its related species.
期刊介绍：
"Chinese Materia Medica" magazine was founded in 1978. It is a national-level academic journal of Chinese medicine science and technology approved by the State Science and Technology Commission and the Press and Publication Administration for public distribution at home and abroad. It is sponsored by the Chinese Materia Medica Information Center of the State Food and Drug Administration and is publicly distributed at home and abroad. It mainly reports on new technologies, new methods and new achievements in the production, scientific research and business management of Chinese medicine, and serves to promote the production and scientific and technological development of Chinese medicine, improve the output and quality of Chinese medicine, improve business management, and prosper the Chinese medicine industry.
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