[1]赵孟良,任延靖,刘颖.PEG6000模拟干旱胁迫下菊芋HDZip基因家族的鉴定及表达分析[J].江苏农业科学,2025,53(15):37-44.
 Zhao Mengliang,et al.Identification and expression analysis of the HDZip gene family in Helianthus tuberosus under PEG6000 simulated drought stress[J].Jiangsu Agricultural Sciences,2025,53(15):37-44.
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PEG6000模拟干旱胁迫下菊芋HDZip基因家族的鉴定及表达分析()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第15期
页码:
37-44
栏目:
生物技术
出版日期:
2025-08-05

文章信息/Info

Title:
Identification and expression analysis of the HDZip gene family in Helianthus tuberosus under PEG6000 simulated drought stress
作者:
赵孟良任延靖刘颖
青海大学,青海西宁 810016
Author(s):
Zhao Menglianget al
关键词:
菊芋HD-Zip基因转录因子鉴定分析干旱胁迫
Keywords:
-
分类号:
S188;S632.901
DOI:
-
文献标志码:
A
摘要:
通过对PEG-6000(聚乙二醇-6000)模拟干旱胁迫下的菊芋转录组数据进行分析处理,筛选出与响应干旱胁迫密切相关的HD-Zip转录因子,利用在线工具ExPASy-ProtParam tool、MEME 3.0、DNAMAN 9.0、MEGA X软件,对菊芋HD-Zip基因家族成员的蛋白质理化性质、保守基序、家族进化关系以及与模式植物拟南芥的系统进化关系进行系统分析,并采用qRT-PCR方法对干旱胁迫下菊芋叶片中HD-Zip基因家族成员的转录水平进行检测。结果表明,ExPASy-ProtParam tool分析显示,菊芋中HD-Zip基因的序列长度为330~1956 bp,平均序列长度为856 bp;能编码氨基酸的数量为109~651个,平均为284个;分子量为27 284.81~161 890.14 u,平均为70 269.39 u;等电点为4.94~5.30;HtHD-Zip基因含有保守的Motif基序的长度为15~50个碱基。进化分析结果显示,HD-Zip基因分为了六大类。qRT-PCR结果分析显示,在PEG-6000模拟干旱胁迫18 h时,HtHD-Zip4、HtHD-Zip7、HtHD-Zip17、HtHD-Zip23、HtHD-Zip25、HtHD-Zip26、HtHD-Zip30、HtHD-Zip34这8个基因明显受到干旱胁迫的诱导表达,其表达量显著上升;其中HtHD-Zip34表达量的涨幅最为显著,上升了11.9倍。研究结果表明,HtHD-Zip基因参与菊芋抵御干旱胁迫的过程。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2024-08-26
基金项目:青海省中央引导地方科技发展基金(编号:2024ZY047);青海省昆仑英才·高端创新创业人才项目。
作者简介:赵孟良(1986—),男,河南商丘人,博士,副教授,硕士生导师,主要从事菊芋抗逆生理及分子生物学研究。E-mail:8304269@163.com。
通信作者:任延靖,博士,副研究员,硕士生导师,主要从事作物遗传育种研究。E-mail:renyan0202@163.com。
更新日期/Last Update: 2025-08-05