|本期目录/Table of Contents|

[1]朱飞雪,程玉江,郭丽.蝴蝶兰WRKY57基因的克隆、亚细胞定位及响应脱落酸功能分析[J].江苏农业科学,2023,51(18):54-62.
 Zhu Feixue,et al.Cloning,subcellular localization of Phalaenopsis aphrodite WRKY57 gene and its functional analysis in response to abscisic acid[J].Jiangsu Agricultural Sciences,2023,51(18):54-62.
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蝴蝶兰WRKY57基因的克隆、亚细胞定位及响应脱落酸功能分析(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18期
页码:
54-62
栏目:
生物技术
出版日期:
2023-09-20

文章信息/Info

Title:
Cloning,subcellular localization of Phalaenopsis aphrodite WRKY57 gene and its functional analysis in response to abscisic acid
作者:
朱飞雪1程玉江2郭丽1
1. 河南农业职业学院园艺园林学院,河南中牟 451450; 2. 河南东宝园林绿化工程有限公司,河南郑州 451450
Author(s):
Zhu Feixueet al
关键词:
蝴蝶兰WRKY57基因克隆脱落酸(ABA)叶片发育功能表达
Keywords:
-
分类号:
S682.310.1
DOI:
-
文献标志码:
A
摘要:
WRKY转录因子是植物生长发育及胁迫反应的重要调节因子,然而关于蝴蝶兰(Phalaenopsis aphrodite)WRKY家族的功能知之甚少。以蝴蝶兰品种满天红为试验材料,分析蝴蝶兰转录因子PaWRKY57的理化特性、亚细胞定位、组织表达及在脱落酸(ABA)处理下的响应机制,结果表明,从P.aphrodite克隆得到的PaWRKY57长度为 2 049 bp,编码682个氨基酸,为不稳定的亲水蛋白,亚细胞定位显示PaWRKY57位于细胞核内。结构域分析和同源性比较表明,PaWRKY57蛋白具有WRKYGQK结构域,属于WRKY家族Ⅲ型亚家族;系统发育分析表明,PaWRKY57与水稻OsWRKY47亲缘关系最近。qRT-PCR分析显示,PaWRKY57在叶片中表达水平最高,在ABA处理下表现出“升—降—升—降”的表达模式。与野生型品系(WT)相比,PaWRKY57过表达植株的抑生植物激素(ABA、GAs)含量增加,叶绿素与促生植物激素(BR、IAA)含量降低,从而导致叶片黄化明显、植株衰老加快;在此基础上喷施ABA后,上述现象进一步加剧。综上,PaWRKY57是一个响应ABA信号的转录因子,受ABA信号介导调控蝴蝶兰的衰老过程。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2023-03-19
基金项目:河南省科技厅科技攻关重点研发与推广专项(编号:212102110188)。
作者简介:朱飞雪(1979—),女,河南平顶山人,硕士,讲师,主要从事园林植物育种与栽培研究。E-mail:heyu1126@163.com。
通信作者:郭丽,硕士,副教授,主要从事植物育种和栽培研究。E-mail:guoli197979@163.com。
更新日期/Last Update: 2023-09-20