Authentication of Panax ginseng and Panax quinquefolius Using Amplified Fragment Length Polymorphism (AFLP) and Directed Amplification of Minisatellite Region DNA (DAMD)
2002
AFLP profiles characteristic to Panax ginseng and Panax quinquefolius were generated using primers E-AGG/M-CAA. P. ginseng samples from different farms in China and Korea are homogeneous genetically [similarity index (SI) = 0.88−0.99], whereas samples of P. quinquefolius from different sources are much more heterogeneous (SI = 0.64−0.96). Detailed analysis of one of the polymorphic bands in P. ginseng led to the identification of a minisatellite Pg2, which contains eight repeats of 5‘-AGGACTCATCACATTGTTACTC. The minisatellite DNA was consequently used in directed amplification minisatellite region DNA analysis to authenticate the two ginsengs. Keywords: Panax ginseng; Panax quinquefolius; AFLP; DAMD
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