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,2016,36(7):1343-1350
犃犮狋犪犅狅狋.犅狅狉犲犪犾.犗犮犮犻犱犲狀狋.犛犻狀.
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犕犻犮狉狅狊犪狋犲犾犻狋犲犘狉犻犿犲狉犛犮狉犲犲狀犻狀犵犪狀犱犘狅狆狌犾犪狋犻狅狀犌犲狀犲狋犻犮
犇犻狏犲狉狊犻狋狔狅犳犅犾犲狋犻犾犾犪狊狋狉犻犪狋犪(犜犺狌狀犫.)犚犮犺犫.犳.
LIJun1,YANGHeng1,ZHOUTianhua1,2
(1ColegeofBiologicalScienceandEngineering,ShaanxiSciTechUniversity,HanzhongShaanxi723001,China;2Qinling
BashanMountainsBioresourcesComprehensiveDevelopmentColaborativeInnovationCenter,Hanzhong,Shaanxi723001,China)
犃犫狊狋狉犪犮狋:犅犾犲狋犻犾犾犪狊狋狉犻犪狋犪(Thunb.)Rchb.f.isanendangeredplantinChinawithimportantmedicinalval
ue.Inthisstudy,thegenomicsequencelibraryandmicrosatelitelibraryof犅.狊狋狉犻犪狋犪wassetupbasedon
Iluminasequencing.SSRprimersweredesignedandcarriedouttotesttheirpolymorphismwith80indi
vidualsfrom4wildpopulations.Fourrelatedspeciesof犅.狊狋狉犻犪狋犪wereusedtoinvestigatedtheircross
taxatransferability.Inaddition,geneticdiversityandgeneticdifferentiationofthespecieswerealsoinves
tigated.Theresultsshowedthat:(1)Microsatelitesequenceswereabundanceinthegenomeof犅.狊狋狉犻犪
狋犪,17841lociweredetectedintotal.100pairofprimersweredesigned,20ofthemperformedhighpoly
morphismafterPCRandpolyacrylamidegelelectrophoresis,thealelesrangedfrom2to6withaverageof
3.85perlocus.Thecrosstaxatransferabilitywasalsoexaminedin4relatedspecies,mostof20lociwere
provedamplifiableinthesespecies.(2)Thestudyrevealedthatthegeneticdiversityof犅.狊狋狉犻犪狋犪was
high(犖a=3.85,犐=1.07,犎=0.6147),geneticdifferentiationwasprominentamongpopulations(犌st=
0.43).Thegeneflowamongpopulationswaslimited(犖m=0.8676),theadjacentpopulationsperformed
tightgeneticrelationshipasrevealedbyclusteranalysesofpopulations.Thereasonsforgeneticconstruc
tionandconservationalstrategiesofthespecieswerealsodiscussedinthisstudy.
犓犲狔狑狅狉犱狊:犅犾犲狋犻犾犾犪狊狋狉犻犪狋犪(Thunb.)Rchb.f.;microsatelite;geneticdiversity;population;primerscreening
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Table1 Detailedsampleinformationof犅.狊狋狉犻犪狋犪and犅.狊狋狉犻犪狋犪closelyrelatedspeciespopulations
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LG !!"Langao,Shaanxi 107°55′E,32°56′N 934~1171 20
ZB !#3Zhenba,Shaanxi 109°26′E,32°06′N 806~1197 20
HY éêg8 Hanyuan,Sichuan 102°26′E,29°39′N 768~1547 20
YX ëh$%Yuxi,Yunnan 102°39′E,24°23′N 1426~2105 20
(öij犅.狅犮犺狉犪犮犲犪 WD ëh`¶ Wuding,Yunnan 102°27′E,25°55′N 2019~2311 10
Üij犅.犳狅狉犿狅狊犪狀犪 DL ëhdFDali,Yunnan 100°49′E,25°48′N 1941~2367 10
aij犅.狊犻狀犲狀狊犻狊 MZ ëha) Mengzi,Yunnan 103°03′E,23°24′N 1704~1856 10
)Õ犛.狊犻狀犲狀狊犻狊 LB !&Liuba,Shaanxi 106°52′E,33°37′N 1561~1593 10
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