|本期目录/Table of Contents|

[1]贾慧,赵玉龙,郭晓阳,等.多花黄精PcWRKY1基因的克隆及响应高温胁迫功能分析[J].江苏农业科学,2025,53(4):200-208.
 Jia Hui,et al.Cloning of PcWRKY1 gene from Polygonatum cyrtonema Hua and its functional analysis in response to heat stress[J].Jiangsu Agricultural Sciences,2025,53(4):200-208.
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多花黄精PcWRKY1基因的克隆及响应高温胁迫功能分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第4期
页码:
200-208
栏目:
耐温度胁迫基因
出版日期:
2025-02-20

文章信息/Info

Title:
Cloning of PcWRKY1 gene from Polygonatum cyrtonema Hua and its functional analysis in response to heat stress
作者:
贾慧1赵玉龙2郭晓阳2杨铁钢2郭红霞2苏秀红1腊贵晓2
1.河南中医药大学药学院,河南郑州 450002; 2.河南省农业科学院中药材研究所,河南郑州 450002
Author(s):
Jia Huiet al
关键词:
多花黄精WRKY转录因子高温胁迫生物信息学分析功能分析
Keywords:
-
分类号:
S188;S567.23+9.01
DOI:
-
文献标志码:
A
摘要:
探究WRKY转录因子家族在多花黄精(Polygonatum cyrtonema Hua)适应高温胁迫中的作用,基于前期转录组分析鉴定到受高温影响显著下调的基因PcWRKY1,克隆了PcWRKY1基因,并利用生物信息学、RT-qPCR和玉米原生质体瞬时转化体系等技术对其编码蛋白的基本特性、组织表达特异性、高温胁迫下表达模式及功能进行了分析。结果显示:PcWRKY1基因CDS序列全长共1 560 bp,编码519个氨基酸;PcWRKY1蛋白没有跨膜结构,分子量为 56.93 ku,等电点为7.2,具有2个WRKY保守结构域,属于Group Ⅰa类群;RT-qPCR分析结果显示,PcWRKY1基因在多花黄精不同组织中均有表达,且在种子中表达量最高,其转录水平受高温胁迫的抑制;玉米原生质体中PcWRKY1定位于细胞核中,且高温处理不影响其位点;在玉米原生质体中瞬时过表达PcWRKY1,与无高温胁迫相比,抑制了过氧化氢酶(CAT)活性的增加,提高了高温胁迫诱导的丙二醛(MDA)含量的增加,说明过表达PcWRKY1降低了原生质体在高温胁迫下的耐性。综上所述,PcWRKY1可能在多花黄精响应高温胁迫中起负调控作用。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2024-10-29
基金项目:国家重点研发计划(编号:2022YFD1601808);国家现代农业产业技术体系建设专项(编号:CARS-21);河南省现代农业产业技术体系建设专项(编号:HARS-22-11-G2)。
作者简介:贾慧(1999—),女,河南荥阳人,硕士研究生,主要从事中药资源学研究。E-mail:2396554366@qq.com。
通信作者:腊贵晓,博士,副研究员,主要从事中药材生态栽培、育种等研究。E-mail:zju-1@163.com。
更新日期/Last Update: 2025-02-20