|本期目录/Table of Contents|

[1]王小云,孙红艳,史梦,等.硒诱导的黄瓜耐镉转录本鉴定分析及表达载体构建[J].江苏农业科学,2023,51(11):46-53.
 Wang Xiaoyun,et al.Identification, analysis and expression vector construction of selenium-induced Cd tolerant transcript in cucumber[J].Jiangsu Agricultural Sciences,2023,51(11):46-53.
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硒诱导的黄瓜耐镉转录本鉴定分析及表达载体构建(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第11期
页码:
46-53
栏目:
生物技术
出版日期:
2023-06-05

文章信息/Info

Title:
Identification, analysis and expression vector construction of selenium-induced Cd tolerant transcript in cucumber
作者:
王小云1孙红艳2史梦2于佳2
1.山西农业大学水土保持科学研究所,山西太原 030045; 2.太原科技大学环境与资源学院,山西太原 030024
Author(s):
Wang Xiaoyunet al
关键词:
黄瓜ERF基因克隆过表达载体构建生物信息分析
Keywords:
-
分类号:
S642.201
DOI:
-
文献标志码:
A
摘要:
以黄瓜乙烯响应因子CsERF7转录本为研究对象,通过外源硒缓解黄瓜镉胁迫试验分析其表达及黄瓜生长状况,并克隆CsERF7基因,构建过表达载体转化拟南芥,同时分析CsERF7的理化性质和功能。结果表明,外源硒显著升高了镉胁迫引起的黄瓜生长指标的降低,CsERF7在镉处理下的表达丰度是对照的56%,而镉+硒比单独镉处理上调表达4.53倍,与RNA-seq结果相符,此基因可能在硒调控黄瓜镉胁迫响应中起作用。同时,成功构建超表达载体pEGOEP35S-H-ERF7-GFP,转化拟南芥获得转基因株系。生物信息学分析表明,黄瓜CsERF7基因属于AP2/ERF家族的AP2亚家族,开放阅读框ORF长度588 bp,编码196个氨基酸,有1个AP2结构域;该蛋白属于非跨膜亲水性蛋白,亚细胞定位预测定位在线粒体中,存在22个氨基酸磷酸化位点;其二级结构主要由α-螺旋和延伸链构成,与三级结构预测结果高度一致,所得蛋白序列与黄瓜、甜瓜同源性最高。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2022-08-01
基金项目:山西省重点研发计划(编号:201903D221066);国家自然科学基金(编号:31401319)。
作者简介:王小云(1980—),男,山西兴县人,博士,正高级工程师,主要从事农业面源污染方面的研究。E-mail:wxy801227@163.com。
更新日期/Last Update: 2023-06-05