資源描述：
《genetic diversity of natural miscanthus sinensis populations》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在工程資料-天天文庫。
1、BiochemicalSystematicsandEcology48(2013)248–256ContentslistsavailableatSciVerseScienceDirectBiochemicalSystematicsandEcologyjournalhomepage:www.elsevier.com/locate/biochemsysecoGeneticdiversityofnaturalMiscanthussinensispopulationsinChinarevealedbyISSRmarkers111QiXiangZhang,Y
2、iKeShen,RuoXuanShao,JiaFang,YongQingHe,JunXiaRen,BingSongZheng*,GuoJuanChen*NurturingStationfortheStateKeyLaboratoryofSubtropicalSilviculture,ZhejiangA&FUniversity,Linan311300,ChinaarticleinfoabstractArticlehistory:MiscanthussinensisisatypicalperennialC4grassinAsia.Intheprese
3、ntstudy,ISSRReceived5September2012markerswereusedtoevaluatethegeneticvariationwithinandamonggrasspopulationsAccepted24December2012thatweresampledfromtheZhejiangandGuangdongProvincesofChina.BasedonnineAvailableonline12February2013ISSRprimers,206clearandreproducibleDNAfragments
4、weregenerated.Relativelylowlevelsofgeneticdiversityweredeterminedamongthepopulations.Thecoef?cientofKeywords:geneticdifferentiationamongthepopulationswas0.52,whichindicatesthat52.3%oftheMiscanthussinensistotalmolecularvarianceexistsamongthepopulations.Suchahighlevelofdivergen
5、ceGeneticdiversitypresentamongthepopulationsmightbecausedbythecomplextopographyandvariableDifferentiationISSRclimaticconditionspresentinthetwoprovinces.AMOVArevealedthatthemajorityofthegeneticvariationwaswithinthepopulations(50.6%).Theapplicationofanovelmethod,whichcombinesge
6、ographicalcoordinatesandgeneticdifferentiationtodetectbarriersforgene?ow,allowedustoidentifytwozonesofloweredgene?ow.ó2013ElsevierLtd.Allrightsreserved.1.IntroductionEnergycrisisandenvironmentaldegradationhaveledtothesearchforalarge-scalesubstitutionoffossilfuel(Ceotto,2008;B
7、enbiandBrar,2009).Manybotanistshavebeentryingto?ndplant-basedbiofuelsinordertoreducetheuseoffossilfuel.Amongthem,Miscanthusisoneofthemostimportantbiofuelplantsthathastheadvantagesoffastgrowth,lowinput,andhighphotosynthesis(VisserandPignatelli,2001;Clifton-Brownetal.,2004;Hast
8、ingsetal.,2008),andiswidelyusedinEuropeasabioenergycrop.Miscanthusis
