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Validation of the ITS2 Region as a Novel DNA Barcode for Identifying Medicinal Plant Species

PLoS ONE · 2010 · Vol. 5(1) · pp. e8613–e8613

Shilin Chen✉(Chinese Academy of Medical Sciences & Peking Union Medical College)Hui Yao(Chinese Academy of Medical Sciences & Peking Union Medical College)Jianping Han(Chinese Academy of Medical Sciences & Peking Union Medical College)Chang Liu(Chinese University of Hong Kong)Jingyuan Song✉(Chinese Academy of Medical Sciences & Peking Union Medical College)Linchun Shi(Chinese Academy of Medical Sciences & Peking Union Medical College)Yingjie Zhu(Chinese Academy of Medical Sciences & Peking Union Medical College)Xinye Ma(Chinese Academy of Medical Sciences & Peking Union Medical College)Ting Gao(Chinese Academy of Medical Sciences & Peking Union Medical College)Xiaohui Pang(Chinese Academy of Medical Sciences & Peking Union Medical College)Kun Luo(Hubei University of Chinese Medicine)Ying Li(Chinese Academy of Medical Sciences & Peking Union Medical College)Xiwen Li(Chinese Academy of Medical Sciences & Peking Union Medical College)Xiaocheng Jia(Chinese Academy of Medical Sciences & Peking Union Medical College)Yulin Lin(Chinese Academy of Medical Sciences & Peking Union Medical College)Christine Léon(Royal Botanic Gardens, Kew)

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Abstract

The ITS2 region can be potentially used as a standard DNA barcode to identify medicinal plants and their closely related species. We also propose that ITS2 can serve as a novel universal barcode for the identification of a broader range of plant taxa.

Identification and Quantification in Food Genomics and Phylogenetic Studies Genetic diversity and population structureBarcodeDNA barcodingBiologyInternal transcribed spacerLocus (genetics)GeneticsTaxonIdentification (biology)Evolutionary biologyRibosomal DNA