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1、BiochemicalSystematicsandEcology39(2011)286–296ContentslistsavailableatSciVerseScienceDirectBiochemicalSystematicsandEcologyjournalhomepage:www.elsevier.com/locate/biochemsysecoDifferentiationbetweenpopulationsofJapanesegrenadieranchovy(Coilianasus)inN
2、orthwesternPacificbasedonISSRmarkers:Implicationsforbiogeographyaa,*bQiaoliYang,TianxiangGao,ZhenqingMiaoaFisheriesCollege,OceanUniversityofChina,Qingdao266003,ChinabFisheriesCollege,ZhejiangOceanUniversity,Zhoushan316000,ChinaarticleinfoabstractArticle
3、history:NorthwesternPacificprovidesuniquescenariosforstudyingtherolesofgeographyandReceived25April2011ecologyindrivingpopulationdivergenceandspeciation.ToelucidatethephylogeographicAccepted27July2011patternofCoilianasusinNorthwesternPacific,weexaminednin
4、etyindividualsfromfiveAvailableonline21September2011localitiesalongthecoastalregionsofChinaandtheAriakeBayofJapanbyusingsevenISSRmarkers.Analysesofmolecularvariance(AMOVA)showedthatgeneticdifferentiationKeywords:amonggroupsisrelativelyhigh(FCT¼0.1904;P¼
5、0.000).BayesiananalysisofISSRdataCoilianasusalsorevealedsignificantpopulationstructuringbetweenChineseandJapaneselocations.BiogeographyPhylogeneticreconstructionsshowreciprocalmonophylyinpopulationsbetweenChinaInter-simplesequencerepeatNorthwesternPacifi
6、candtheAriakeBayofJapan.Weconcludethatthepresent-dayphylogeographicpatternisGeneticdifferentiationtheresultofgeneticisolationbetweenJapaneseandChinesepopulationsintheNorth-westernPacificfollowingtheglacialretreat,andthatlife-historytraitsandecologymaypl
7、ayapivotalroleinshapingtherealizedgeographicaldistributionpatternofthisspecies.Ó2011ElsevierLtd.Allrightsreserved.1.IntroductionAcontinuingchallengeinevolutionarybiologyistounderstandtheprocessesbywhichpopulationsbecomegeneticallydistinct.Ingeneral,gen
8、eticdriftandlocaladaptationarecounteractedbytheunifyingeffectsofgeneflow(RiginosandNachman,2001).However,marineorganismsshowlowlevelsofgeneticdifferentiationoverlargegeographicdistances(Palumbi,1994;GrantandBowen,1998;Avise,2000;J.X.Liue
