陈华谱,洪广,刘燕华,贺超,王晓玲,吴静娴,朱春华,李广丽

• 1:海洋生态与养殖环境湛江市重点实验室广东省名特优鱼类生殖调控与繁育工程技术研究中心广东海洋大学水产学院
• 2:青岛海洋科学与技术国家实验室海洋渔业科学与食物产出过程功能实验室

摘要(Abstract)：

利用RACE(Rapid-amplification of cDNA ends)克隆技术从泰国斗鱼(Betta splendens)精巢中克隆抗缪勒氏管激素(Anti-Müllerian hormone,AMH)基因的c DNA序列,分析该基因序列与其他物种的差异,并用RT-PCR半定量方法分析其组织表达的性别差异。结果表明:泰国斗鱼AMH基因的cDNA序列全长为1 804 bp,其中开放读码框为1 596 bp,编码532个氨基酸残基,与其他物种的氨基酸序列差异较大,同源性最高仅55%;AMH前体蛋白的系统进化树显示,泰国斗鱼与尖吻鲈(Lates calcarifer)亲缘关系最近;AMH基因的组织表达有明显的组织特异性及性别差异,在性腺中表达量最高,雄性个体脑、脾和肌肉次之,垂体、肝、肾、心和肠中未检测到AMH表达,雌性个体脾、心脏和肌肉次之,脑、垂、肝和肾中未检测AMH表达。

关键词(KeyWords)： 泰国斗鱼;抗缪勒氏管激素;基因克隆;序列分析;基因表达;组织分布

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(41706174,31702326);; “攀登计划”广东大学生科技创新培育专项资金项目(pdjh2017b0241);; 广东省自然科学基金(2016A030313743);; 广东省海洋与渔业局科技攻关与研发及技术推广项目(A201608B01,2017A0012);; 湛江市财政资金科技竞争性分配项目(2016A03017);; 青岛海洋科学与技术国家实验室海洋渔业科学与食物产出过程功能实验室开放课题(2016LMFS-B12)

作者(Author): 陈华谱,洪广,刘燕华,贺超,王晓玲,吴静娴,朱春华,李广丽

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