Single Nucleotide Polymorphism of FSHβ Gene Associated with Reproductive Traits in Japanese Flounder （Paralichthys olivaceus）-中国期刊网

摘要 Folliclestimulatinghormoneβ(FSHβ)ofJapaneseflounder(Paralichthysolivaceus)playsakeyroleintheregulationofgonadaldevelopment.ThisstudyaimedtoinvestigatemoleculargeneticcharacteristicsoftheFSHβgeneandelucidatetheeffectsofsinglenucleotidepolymorphisms(SNPs)ofFSHβonreproductivetraitsinJapaneseflounder.Weusedpolymerasechainreactionsingle-strandconformationpolymorphism(PCR-SSCP)andsequencingoftheFSHβgenein60individuals.WeidentifiedonlyanSNP(T/C)inthecodingregionofexon3ofFSHβ.TheSNP(T/C)didnotleadtoaminoacidchangesattheposition340bpofFSHβgene.StatisticalanalysisshowedthattheSNPwassignificantlyassociatedwithtestosterone(T)levelandgonadosomaticindex(GSI)(P<0.05).IndividualswithgenotypeTCoftheSNPhadsignificantlyhigherserumTlevelsandGSI(P<0.05)thanthatofgenotypeCC.Therefore,FSHβgenecouldbeausefulmolecularmarkerinselectionforprominentreproductivetraitinJapaneseFlounder.

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Single Nucleotide Polymorphism of FSHβ Gene Associated with Reproductive Traits in Japanese Flounder （Paralichthys olivaceus）

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Single Nucleotide Polymorphism of FSHβ Gene Associated with Reproductive Traits in Japanese Flounder （Paralichthys olivaceus）

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