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Microsatellite marker development and population genetic analysis revealed high connectivity between populations of a periwinkle littoraria sinensis(Philippi,1847)

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Journal of Oceanology and Limnology 2022年第3期40卷 1097-1109页

作者： Mengyu LI Yuqiang LI Tengfei XING Yulong LI Jinxian LIU CAS Key Laboratory of Marine Ecology and Environmental Sciences Institute of OceanologyChinese Academy of SciencesQingdao 266071China Laboratory for Marine Ecology and Environmental Science Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266237China Center for Ocean Mega-Science Chinese Academy of SciencesQingdao 266071China University of Chinese Academy of Sciences Beijing 100049China

Periwinkle littoraria sinensis is a widely distributed gastropod in rocky intertidal zone of the northwestern Pacifi *** examine genetic diversity and genetic connectivity among coastal populations of *** in China,1636 pairs of primers were successfully designed using whole-genome shotgun sequencing,de novo assembly,and a bioinformatics pipeline *** highly variable polymorphic markers were selected to genotype 351 individuals from 15 *** of nine microsatellite loci were retained for population genetic analysis,and weak genetic differentiation among populations were detected,suggesting high gene flow among *** long planktonic larval duration of *** might have played an important role in the high gene flow among populations.A tendency of genetic differentiation between north and south populations of *** was detected,which might be resulted from isolation due to lowered sea level in the last glacial ***,the newly founded populations along the coast of Jiangsu Province were closely related to populations to the south of the Changjiang(Yangtze)River estuary,suggesting that the main source of the newly founded populations is from natural rocky populations south of the estuary.

关键词： population genetics littoraria sinensis gastropod simple-sequence repeats

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