|本期目录/Table of Contents|

[1]杨彦豪,黎铭,王瑞,等.罗氏沼虾Dmc1基因的克隆及表达分析[J].江苏农业科学,2022,50(21):173-181.
 Yang Yanhao,et al.Cloning and expression analysis of Dmc1 gene in Macrobrachium rosenbergii[J].Jiangsu Agricultural Sciences,2022,50(21):173-181.
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罗氏沼虾Dmc1基因的克隆及表达分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第50卷
期数:
2022年第21期
页码:
173-181
栏目:
畜牧兽医与水产蚕桑
出版日期:
2022-11-05

文章信息/Info

Title:
Cloning and expression analysis of Dmc1 gene in Macrobrachium rosenbergii
作者:
杨彦豪12黎铭2王瑞2黄姻2杨慧赞2黄光华2邱高峰1曾兰2
1.上海海洋大学/农业农村部淡水水产种质资源重点实验室/水产科学国家级实验教学示范中心/上海水产养殖工程技术研究中心,上海 201306;2.广西壮族自治区水产科学研究院/广西水产遗传育种与健康养殖重点实验室,广西南宁 530021
Author(s):
Yang Yanhaoet al
关键词:
罗氏沼虾MrDmc1基因基因克隆表达分析
Keywords:
-
分类号:
S917
DOI:
-
文献标志码:
A
摘要:
DNA减数分裂重组酶1基因(disrupted meiotic cDNA 1,Dmc1)是在减数分裂过程中特异表达的基因。为了研究罗氏沼虾卵巢发育的分子机制,通过cDNA末端快速扩增技术(RACE)克隆获得罗氏沼虾Dmc1基因的全长cDNA序列(MrDmc1),并对MrDmc1基因编码的蛋白进行理化性质、亲疏水性、亚细胞定位以及蛋白质结构等生物信息学分析;采用实时荧光定量PCR技术检测Dmc1基因在卵巢、肌肉等组织中的表达量。结果显示,MrDmc1基因的ORF全长1 026 bp,共编码341个氨基酸;MrDMC1蛋白分子量为37.4 ku,该蛋白没有跨膜区域和信号肽切割位点,含有1个N-糖基化位点和25个磷酸化位点,是亲水性蛋白,主要存在于细胞质中。系统进化树发现,罗氏沼虾MrDmc1基因与克氏原螯虾、凡纳滨对虾等甲壳类动物进化关系较近。荧光定量PCR结果显示,MrDmc1基因在7种组织中均有表达,在心脏中表达量最高,在眼中表达量最低;MrDmc1基因的表达量在卵巢发育过程中呈先升高后降低的趋势,在卵巢发育Ⅱ期的表达量最高。研究表明,MrDmc1基因参与了罗氏沼虾卵巢发育的调控,推测其在罗氏沼虾卵巢发育早期发挥关键的调控作用。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2022-05-28
基金项目:南宁市西乡塘区科学研究与计划开发项目(编号:2020021604);广西重点研发项目(编号:AB19245033)。
作者简介:杨彦豪(1979—),男,河北藁城人,博士研究生,助理研究员,主要从事水产动物遗传育种与健康养殖方面的研究。E-mail:287739712@qq.com。
通信作者:曾兰,硕士,高级工程师,主要从事甲壳类动物性别分化与性腺发育方面研究。E-mail:1582573261@qq.com。
更新日期/Last Update: 2022-11-05