[1]牛苏燕,张珍华,蒋素华,等.马铃薯StNiR基因的克隆及其在低氮肥胁迫下的表达分析[J].江苏农业科学,2024,52(14):40-46.
 Niu Suyan,et al.Cloning of StNiR gene in Solanum tuberosum and its expression analysis under low nitrogen stress[J].Jiangsu Agricultural Sciences,2024,52(14):40-46.
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马铃薯StNiR基因的克隆及其在低氮肥胁迫下的表达分析()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第52卷
期数:
2024年第14期
页码:
40-46
栏目:
生物技术
出版日期:
2024-07-20

文章信息/Info

Title:
Cloning of StNiR gene in Solanum tuberosum and its expression analysis under low nitrogen stress
作者:
牛苏燕张珍华蒋素华梁芳袁秀云张燕赵慧园崔波
郑州师范学院,河南郑州450044
Author(s):
Niu Suyanet al
关键词:
亚硝酸还原酶基因克隆生物信息分析微滴式数字PCR马铃薯转录组测序
Keywords:
-
分类号:
S532.01
DOI:
-
文献标志码:
A
摘要:
为了研究马铃薯亚硝酸还原酶基因StNiR(nitrite reductase,NiR)在低氮肥胁迫中的作用,以马铃薯Russet Burbank品种为材料,采用反转录PCR法克隆获得马铃薯亚硝酸还原酶基因StNiR。结果表明,该基因的开放阅读框序列全长为1 755 bp,共编码584个氨基酸。蛋白质二级结构由36.82% α螺旋、5.31% β转角、16.78% 延伸链和41.10% 无规则卷曲组成,蛋白质三级结构与烟草NiR蛋白的一致性为86.60%。氨基酸序列与潘那利番茄(Solanum pennellii)、番茄(S. lycopericum)、曼陀罗(Datura stramonium)、风铃辣椒(Capsicum bacctum)、辣椒(C. annuum)、烟草(Nicotiana tabacum)的一致性均>93%。微滴式数字PCR(droplet digital PCR,ddPCR)的结果与转录组测序结果表明,低氮肥胁迫下StNiR基因在根和叶片中均被抑制表达,且在根中比在叶片中更敏感。本研究为后期如何从分子角度提高马铃薯的氮素利用率和培育氮高效马铃薯新品种奠定了基础。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2023-09-07
基金项目:河南省科技攻关计划(编号:202102110167);河南省高等学校重点科研项目(编号:24A210027);郑州师范学院高层次人才科研启动专项经费(编号:2018)。
作者简介:牛苏燕(1986—),女,河南安阳人,博士,讲师,从事薯类作物育种及功能基因组学等研究。E-mail:niusuyan1234@163.com。
通信作者:崔波,博士,教授,从事植物分子育种等研究。E-mail:laocuibo@163.com。
更新日期/Last Update: 2024-07-20