%0 Journal Article
%T Microsatelliteanalysisofgeneticdiversityandpopulationstructureoffreshwatermussel(Lamprotulaleai)
%A Jin-Jin MIN
%A Rong-Hui YE
%A Gen-Fang ZHANG
%A Rong-Quan ZHENG
%J 动物学研究
%P 34-40
%D 2015
%R 10.13918/j.issn.2095-8137.2015.1.34
%X LamprotulaleaiisoneofthemostcommerciallyimportantfreshwaterpearlmusselsinChina,butthereislimiteddataonitsgeneticdiversityandpopulationstructure.Inthepresentstudy,119individualsfromfourmajorgeographicalpopulationswereinvestigatedusing15microsatellitelociidentifiedviacross-speciesamplification.Atotalof114allelesweredetected,withanaverageof7.6allelesperlocus(range:2to21).Amongthefourstocks,thosefromHung-tseLakeandPoyangLakehadthelowest(0.412)andhighest(0.455)observedheterozygosityrespectively.Thepolymorphisminformationcontent(PIC)rangedfrom0.374to0.927(mean:0.907).AMOVAshowedthat12.56%and44.68%geneticvarianceswereamongpopulationsandwithinindividuals,respectively.PairwiseFstrangedfrom0.073to0.146,indicatingmediumgeneticdifferentiationamongthepopulations.Inaggregate,ourresultssuggestthatinbreedingisacrucialfactoraccountingfordeviationsfromHardy–Weinbergequilibriumat12loci.Moreover,thegeneticdistanceamongfourstocksrangedfrom0.192to0.890.PoyangLakeandHung-tseLakewereclusteredtogether,joinedwithDongtingLakeandAnqingLake.GiventhatspecimensfromHung-tseLakeshowedthehighestaverageallelerichness,expectedheterozygosityandPIC,thislocationmaybethesourceofthehighestqualitygermplasmresourcesandthestockfromthisareamaybethebestforfuturebreedingefforts.
%K Lamprotulaleai
%K Freshwatermussel
%K Geneticdiversity
%K Populationstructure
%K Microsatelliteloci
%U http://www.zoores.ac.cn/CN/abstract/abstract3560.shtml