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KMID : 1098420030110040268
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Korean Journal of Medicinal Crop Science
2003 Volume.11 No. 4 p.268 ~ p.273
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Discrimination of Species Specific DNA Markers Using RAPD and AFLP Analysis between Atractylodes japonica Koidz. and Atractylodes macrocephala Koidz
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Bang, Kyong Hwan
Park, Chun Geon/Jin, Dong Chun/Kim, Hong Sig/Park, Hee Woon/Park, Chung Heon/Seong, Nak Sul
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Abstract
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To identify the variation of the RAPD patterns between two Atracylodes species, 52 kinds of random primers were applied to each eight of A japonica and A macrocephala genomic DNA. Ten primers of 52 primers could be used to discriminate between the species and 18 polymorphisms among 67 scored DNA fragments (18 fragments are specific for A japonica and A macrocephala) were generated using these primers, 26.9% of which were polymorphic. RAPD data from the 10 primers was used for cluster analysis. The cluster analysis of RAPD markers showed that the two groups are genetically distinct. On the other hand, to identify the variation of the AFLP patterns and select the species specific AFLP markers, eight combinations of EcoRI/MseI primers were applied to the bulked A japonica and A mamcephala genomic DNA Consequently, three combinations of EcoRI/MseI primers (EcoR I/Mse I ; AAC/CTA, AAC/CAA, AAG/CTA) used in this study revealed 176 reliable AFLP markers, 42.0% of which were polymorphic. 74 polymorphisms out of 176 scored DNA fragments were enough to clearly discriminate between two Atractylodes species.
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