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1、Flora206(2011)691–696ContentslistsavailableatScienceDirectFlorajournalhomepage:www.elsevier.de/floraAnalysisofthegeneticstructureofRhodiolarosea(Crassulaceae)usinginter-simplesequencerepeat(ISSR)polymorphismsMarinaM.Kozyrenkoa,SvetlanaB.Gontcharovab,AndreyA.Gontcharova,∗aInstitut
2、eofBiologyandSoilScience,FarEasternBranchoftheRussianAcademyofSciences,Vladivostok690022,RussiabBotanicalGarden-Institute,FarEasternBranchoftheRussianAcademyofSciences,Vladivostok690024,RussiaarticleinfoabstractArticlehistory:ThegeneticdiversityanddifferentiationofelevenR.roseapo
3、pulationsfromdifferentpartsofitswideareaReceived5September2010ofoccurrencewerestudiedbyISSRmarkers.Usingeightprimers,252DNAfragmentsweregenerated,Accepted12December2010and243ofthoseDNAfragmentswerefoundtobepolymorphic,indicatingahighgeneticvariabilityatthespecieslevel(P=96.4%,h=0
4、.176,SI=0.291).RelativelylowlevelsofdiversityweredeterminedatKeywords:thepopulationlevel(P30.6–59.1%,h0.088–0.165,SI0.137–0.257).AMOVAanalysisrevealedthattheInfraspecificgeneticstructuremajorityofthegeneticvariationwaswithinpopulations(65.42%),andthevarianceamongpopulationsISSRwas
5、34.58%.ClusteranalysisrevealedtwogroupsofR.roseapopulations;thesegroupslikelyrepresentRhodiolaroseadistinctevolutionarylinesinthespecies,whicharedifferentingeneticstructure,evolutionaryhistoryandchorologicalmigrationroutes.©2011ElsevierGmbH.Allrightsreserved.IntroductionAppalachi
6、a,aswellasinmostpartsoftheArctic,theFarEasterncoastsofEurasiaandNorth-AtlanticcoastofN.America(Clausen,RhodiolaroseaL.(goldenrootorroseroot;Crassulaceae)isapop-1975;Ohba,1989).ThecurrentgeographicrangeofR.rosea(Fig.1)ularmedicinalplantthathasanadaptogeniceffect(Brownetal.,mostlys
7、panshistoricallyglaciatedareaswithmultiplePleistocene2002;GregoryandKelly,2001;Panossianetal.,2010;Spasovetal.,refugia.2000).ThespecieswasfirstdescribedbyCarlv.Linné(Linnaeus,InRussia,thisspeciesiscommonintheSouthernSiberianmoun-1753);however,hisdescriptionwasnotlinkedtoatypespeci
8、-tains(Saratikov,1974).Mostbotanistsagre
