|本期目录/Table of Contents|

[1]张红瑞,理雅,于白音,等.铁皮石斛DobHLH96基因克隆及表达分析[J].江苏农业科学,2023,51(1):63-70.
 Zhang Hongrui?? et al.Cloning and expression analysis of DobHLH96 gene from Dendrobium officinale Kimura et Migo[J].Jiangsu Agricultural Sciences,2023,51(1):63-70.
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铁皮石斛DobHLH96基因克隆及表达分析(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第1期
页码:
63-70
栏目:
生物技术
出版日期:
2023-01-05

文章信息/Info

Title:
Cloning and expression analysis of DobHLH96 gene from Dendrobium officinale Kimura et Migo
作者:
张红瑞1理雅12于白音123刘博婷23陈洁2刘羽佳23
1.河南农业大学农学院,河南郑州 450046; 2.韶关学院英东生物与农业学院,广东韶关 512005;3.广东省粵北食药资源利用与保护重点实验室(韶关学院),广东韶关 512005
Author(s):
Zhang Hongrui?? et al
关键词:
铁皮石斛bHLH转录因子DobHLH96基因同源克隆非生物胁迫表达分析
Keywords:
-
分类号:
Q78
DOI:
-
文献标志码:
A
摘要:
为了探究DobHLH96基因的生物学特性及其在响应逆境胁迫中的功能,利用同源克隆技术从广东丹霞铁皮石斛中克隆得到DobHLH96基因的cDNA全长序列。结果显示,DobHLH96开放阅读框全长为960 bp,编码319个氨基酸残基,理论相对分子量为31.2 ku,等电点为6.51,具有HLH结构域,符合bHLH结构特征。系统进化树结果显示,DobHLH96蛋白序列与鼓槌石斛中的氨基酸序列同源性最高。DobHLH96在铁皮石斛花器官中的相对表达量最高,具体的花组织排序为花蕾>花柱>萼片。分析结果显示,DobHLH96启动子元件具有与非生物胁迫、干旱、脱水、低温胁迫及脱落酸(ABA)响应等相关的顺式作用元件,而低温、干旱和ABA处理均能显著诱导DobHLH96基因的表达,并且在3种处理下该基因的表达模式基本一致,推测铁皮石斛的DobHLH96基因可能在转录水平上参与ABA介导的低温、干旱胁迫响应,可作为候选基因进一步研究其在抵御逆境胁迫中的调控功能。研究结果为深入研究DobHLH96基因的生物学功能提供了理论依据。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2022-04-07
基金项目:国家自然科学基金(编号:32000266);广东省基础与应用基础研究基金(编号:2020A1515011438);广东省普通高校创新团队项目(编号:2020KCXTD037);广东省普通高校青年创新人才项目(编号:2020KQNCX076);韶关市科技计划(编号:200810224537583、210731084530203);韶关学院科研重点项目(编号:SZ2019ZK04)。
作者简介:张红瑞(1978—),女,河南鄢陵人,博士,副教授,主要从事中药资源与栽培研究。E-mail:zhanghongrui2003@126.com。
通信作者:于白音,博士,教授,主要从事中药及天然药物资源研究,E-mail:540391135@qq.com;刘羽佳,博士,讲师,研究方向植物逆境生理与分子生物学,E-mail:liuyj1713@dingtalk.com。
更新日期/Last Update: 2023-01-05