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Random Amplified Polymorphic DNA Analysis of Genetic Relationships Among Acanthopanax Species
Sang-Yong Park,Chang-Soo Yook,Toshihiro Nohara,Takayuki Mizutani,Takayuki Tanaka 대한약학회 2004 Archives of Pharmacal Research Vol.27 No.12
Random amplified polymorphic DNA (RAPD) analysis was used to determine the genetic relationships among seventeen species of the Acanthopanax species. The DNA isolated from the leaves of the samples was used as template in polymerase chain reaction (PCR) with twenty random decamer primers in order to distinguish plant subspecies at the level of their genomes. The RAPD patterns were compared by calculating pairwise distances using Dice similarity index, and produced to the genetic similarity dendrogram by unweighted pair-group method arithmetic averaged (UPGMA) analysis, showing three groups; a major cluster(twelve species), minor cluster (4 species) and single-clustering species. The results of RAPD were compatible with the morphological classification, as well as the chemotaxonomic classification of the Acanthopanax species. The Acanthopanax species containing 3,4-seco-lupane type triterpene compounds in their leaves corresponded to the major cluster, another species having oleanane or normal lupane type constituents to minor clusters, and one species not containing triterpenoidal compound to single-cluster.
Random Amplified Polymorphic DNA Analysis of Genetic Relationships Among Acanthopanax Species
Park, Sang-Yong,Yook, Chang-Soo,Nohara, Toshihiro,Mizutani, Takayuki,Tanaka , Takayuki The Pharmaceutical Society of Korea 2004 Archives of Pharmacal Research Vol.27 No.12
Random amplified polymorphic DNA (RAPD) analysis was used to determine the genetic relationships among seventeen species of the Acanthopanax species. The DNA isolated from the leaves of the samples was used as template in polymerase chain reaction (PCR) with twenty random decamer primers in order to distinguish plant subspecies at the level of their genomes. The RAPD patterns were compared by calculating pairwise distances using Dice similarity index, and produced to the genetic similarity dendrogram by unweighted pair-group method arithmetic averaged (UPGMA) analysis, showing three groups; a major cluster(twelve species), minor cluster (4 species) and single-clustering species. The results of RAPD were compatible with the morphological classification, as well as the chemotaxonomic classification of the Acanthopanax species. The Acanthopanax species containing 3,4-seco-lupane type triterpene compounds in their leaves corresponded to the major cluster, another species having oleanane or normal lupane type constituents to minor clusters, and one species not containing triterpenoidal compound to single-cluster.
A New Lupane-Triterpene Glycoside from the Leaves of Acanthopanax gracilistylus
Liu, Xiang-Qian,Chang, Seung-Yeup,Park, Sang-Yong,Nohara, Toshihiro,Yook, Chang-Soo The Pharmaceutical Society of Korea 2002 Archives of Pharmacal Research Vol.25 No.6
A new and two known lupane-triterpene glycosides were isolated from the hot MeOH fraction of the leaves of Acanthopanax gracilistylus W. W. Smith. Based on the physical properties and spectroscopic data, their chemical structures were determined as acankoreoside A (1), acankoreoside D (2), and $3{\alpha}-hydroxy-lup-23-al-20(29)-en-28-oic$ acid $28-O-{\alpha}-L-rhamnopyranosyl-(1{\rightarrow}4)-{$beta}-D-glucopyranosyl-(1{\rightarrow}6)-{\beta}-D-glucopyranosyl$ ester (3), respectively. To our best knowledge, compand 3 appears to be novel, which was named as wujiapioside A.
Biflavonoids from the Leaves of Cephalotaxus koreana Nakai
Yook, Chang-Soo,Jung, Jin-Hwan,Jeong, Jin-Hyun,Nohara, Toshihiro,Chang, Seung-Yeup The Korean Society of Pharmacognosy 2000 Natural Product Sciences Vol.6 No.1
Four biflavonoids were isolated from the leaves of Cephalotaxus koreana. Based on spectroscopic data, the compounds were identified as amentoflavone-7',7",4',4"'-tetramethyl ether, sciadopitysin, ginkgetin and bilobetin, respectively.