[1]阴志刚,陈培育,周晓静,等.艾草响应干旱胁迫的转录组分析[J].江苏农业科学,2026,54(8):140-149.
 Yin Zhigang,et al.Transcriptome analysis of Artemisia argyi in response to drought stress[J].Jiangsu Agricultural Sciences,2026,54(8):140-149.
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艾草响应干旱胁迫的转录组分析()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第8期
页码:
140-149
栏目:
干旱胁迫作物影响
出版日期:
2026-04-20

文章信息/Info

Title:
Transcriptome analysis of Artemisia argyi in response to drought stress
作者:
阴志刚1陈培育1周晓静1鞠乐1曹双1梁慧珍2
1.南阳市科学院,河南南阳 473000; 2.河南省农业科学院中药材研究所,河南郑州 450002
Author(s):
Yin Zhiganget al
关键词:
艾草干旱胁迫转录组差异表达基因
Keywords:
-
分类号:
S567.23+9.01
DOI:
-
文献标志码:
A
摘要:
为研究艾草在断水胁迫下分子响应机理,以前期选育的南阳艾8号为研究对象,对苗期在正常、断水胁迫下的叶片、根系进行高通量转录组测序,并对上、下调基因进行功能富集分析及调控因子分析。结果表明,经测序、组装共获得249 554条唯一基因(unigenes),基于公共数据库比对,共注释到54 637条unigenes。从艾草叶组织中共鉴定出上调、下调表达基因2 090、4 208个。基因本体(GO)分析表明,上调基因在气孔运动调节、过氧化物酶体、转移酶活性等本体类别中显著富集,下调基因在光合作用、葡糖基转移酶活性等条目中显著富集。KEGG结果表明,上调基因主要参与半乳糖代谢、植物激素信号转导等生物学途径,下调基因在光合作用、淀粉、蔗糖代谢等途径中显著富集。调控因子的分析结果显示,有364个转录因子、81个转录调节因子、371个蛋白激酶参与响应干旱胁迫,转录因子主要为AP2/ERF-ERF、bZIP、MYB、bHLH等家族。选取8个胁迫前后表达变化显著基因进行实时荧光定量PCR(qRT-PCR)检测,结果与RNA-Seq数据分析一致。本研究在整体基因表达水平上研究了艾草在断水胁迫下响应干旱的分子调控机理,结果可为艾草耐旱品种改良、选育等研究提供潜在抗旱基因资源和理论支撑。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2025-03-22
基金项目:南阳市基础与前沿技术研究专项(编号:23JCQY1005);河南省现代农业产业技术体系建设专项(编号:HARS-22-11-Z2);国家现代农业产业技术体系建设专项(编号:CARS-21)。
作者简介:阴志刚(1984—),男,河南南阳人,博士,助理研究员,主要从事作物抗逆分子机理及基因发掘方面的研究。E-mail:gangzhiyin@163.com。
通信作者:陈培育,硕士,副研究员,主要从事药用植物新品种选育研究。E-mail:418017952@qq.com。
更新日期/Last Update: 2026-04-20