Further evidence for paternal DNA transmission in gynogenetic grass carp

查看全文 作　　者：Zhuangwen [1,2]Mao;Yeqing [1,2]Fu;Shi [1,2]Wang;Yude [1,2,3]Wang;Kaikun [1,2]Luo;Chun [1,2]Zhang;Min [1,2]Tao;Shaojun [1,2]Liu

机构地区：[1]State Key Laboratory of Developmental Biology of Freshwater Fish,Hunan Normal University,Changsha 410081,China;[2]College of Life Sciences,Hunan Normal University,Changsha 410081,China;[3]College of Chemistry and Chemical Engineering,Hunan Normal University,Changsha 410081,China

出　　处：《Science China(Life Sciences)》索引2020年第63卷第9期,共10页

基　　金：supported by the National Natural Science Foundation of China(31802287,31730098,and 31430088);the China Postdoctoral Science Foundation(2018M632969);the earmarked fund for China Agriculture Research System(CARS-45);the Key Research and Development Program of Hunan Province(2018NK2072);the Cooperative Innovation Center of Engineering and New Products for Developmental Biology of Hunan Province(20134486)。 摘　　要：Gynogenesis is an important breeding method in aquaculture and has been widely applied to many fish species.If gynogenetic progenies are to inherit paternal partial genomic DNA,this will increase genetic variation and will provide a useful outcome for breeding.In this study,we investigated the genetic variation in homeobox(Hox)gene clusters(Hox A4 a,Hox A9 a,Hox A11 b,Hox B1 b,Hox C4 a,Hox C6 b,and Hox D10 a)among koi carp(Cyprinus carpio haematopterus,KOC;the stimulation sperm source),grass carp(Ctenopharyngodon idellus),and gynogenetic grass carp(GGC).We found paternal DNA(a special DNA fragment and Hox C6 b)derived from KOC and a recombinant gene belonging to Hox C6 b in GGC.We are the first to report the recombinant Hox C6 b in GGC.Our study provides further evidence for paternal DNA transmission to gynogenetic progenies,which is a finding with great significance for the genetic breeding of fish. 关键词：Ctenopharyngodon idellus Cyprinus carpio haematopterus GYNOGENESIS Hox genes DNA fragment recombinant gene

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Further evidence for paternal DNA transmission in gynogenetic grass carp

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