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2018, 23(2): 81-90.

黄姑鱼(Nibea albiflora)gsdf基因的克隆及表达分析

1. 集美大学水产学院, 福建 厦门 361021;

2. 农业部东海海水健康养殖重点实验室, 福建 厦门 361021

收稿日期:2017-12-04
修回日期:2018-02-22

基金项目:   厦门市海洋经济发展专项资金项目(14GZY70NF34);福建省农业高校产学合作重大项目(2014N5011) 

关键词: 黄姑鱼 , gsdf基因 , 组织表达 , 时序表达

Cloning and Expression Analysis of gsdf Gene in the Yellow Drum (Nibea albiflora)

1. Fisheries College, Jimei University, Xiamen 361021, China;

2. Key Laboratory of Healthy Mariculture for the East China Sea of Ministry of Agriculture, Xiamen 361021, China

Received Date:2017-12-04
Accepted Date:2018-02-22

Keywords: yellow drum(Nibea albiflora) , gsdf(gonadal soma derived factor) , tissue expression pattern , temporal expression

摘要

为探索gsdf(gonadal soma derived factor)基因对黄姑鱼性别分化和性腺发育的作用,克隆了黄姑鱼gsdf基因ORF序列全长,并运用实时荧光定量PCR (qRT-PCR)技术检测了该基因在黄姑鱼不同组织和不同发育时期性腺中的表达情况。结果显示:黄姑鱼gsdf基因开放阅读框长648 bp,可编码215个氨基酸,含有TGF-β超家族的保守功能结构域;组织表达分析结果显示,黄姑鱼gsdf基因主要集中在精巢中表达;在23℃左右水温下,孵化后40 d的遗传雄性鱼苗性腺中开始检测到gsdf基因有明显表达(此时组织学上尚看不出精巢形态),49 d后表达量迅速升高,孵化120 d后(精巢分化完成)表达量达到高峰,随后表达量开始下降,直到黄姑鱼精巢成熟之后呈现稳定表达。上述结果提示,黄姑鱼gsdf基因与黄姑鱼性别决定和分化发育过程密切相关。

为探索gsdf(gonadal soma derived factor)基因对黄姑鱼性别分化和性腺发育的作用,克隆了黄姑鱼gsdf基因ORF序列全长,并运用实时荧光定量PCR (qRT-PCR)技术检测了该基因在黄姑鱼不同组织和不同发育时期性腺中的表达情况。结果显示:黄姑鱼gsdf基因开放阅读框长648 bp,可编码215个氨基酸,含有TGF-β超家族的保守功能结构域;组织表达分析结果显示,黄姑鱼gsdf基因主要集中在精巢中表达;在23℃左右水温下,孵化后40 d的遗传雄性鱼苗性腺中开始检测到gsdf基因有明显表达(此时组织学上尚看不出精巢形态),49 d后表达量迅速升高,孵化120 d后(精巢分化完成)表达量达到高峰,随后表达量开始下降,直到黄姑鱼精巢成熟之后呈现稳定表达。上述结果提示,黄姑鱼gsdf基因与黄姑鱼性别决定和分化发育过程密切相关。

参考文献

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黄姑鱼(Nibea albiflora)gsdf基因的克隆及表达分析