[1]王婷婷,强承魁,舒小伟,等.水稻耐旱基因的共表达网络构建和鉴定[J].江苏农业科学,2026,54(16):34-40.
 Wang Tingting,et al.Construction and identification of coexpression network for droughttolerant genes in rice[J].Jiangsu Agricultural Sciences,2026,54(16):34-40.
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水稻耐旱基因的共表达网络构建和鉴定()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第16期
页码:
34-40
栏目:
作物耐干旱胁迫研究专题
出版日期:
2026-08-20

文章信息/Info

Title:
Construction and identification of coexpression network for droughttolerant genes in rice
作者:
王婷婷; 强承魁; 舒小伟; 陶佩琳; 刘凯; 凤舞剑
徐州生物工程职业技术学院/徐州市现代农业生物技术重点实验室,江苏徐州 221006
Author(s):
Wang Tingting; et al
关键词:
水稻; 共表达网络; 耐旱; 淀粉
Keywords:
-
分类号:
S188;S511.01
DOI:
-
文献标志码:
A
摘要:
水稻是我国主要的粮食作物,干旱是限制其生长发育的关键逆境因子,因此筛选和鉴定高耐旱性水稻的关键基因对保障水稻生产具有重要意义。利用公共数据库中43个不同干旱处理条件下水稻的转录组数据,采用加权基因共表达网络分析(WGCNA)对共30 613个水稻基因进行聚类分析,构建了18个高度保守的共表达网络模块;通过样品与模块的相关性分析,鉴定出棕色2、棕色4、黑色和皇家蓝共4个与干旱高度相关的核心模块。对上述候选模块进行GO功能富集分析,结果显示这些模块显著富集碳水化合物代谢、多糖代谢、防御反应、脂肪酸代谢及温度响应等生物学功能。透射电镜观测结果表明,干旱处理后水稻叶片中淀粉粒明显积累,提示干旱胁迫促进了淀粉代谢过程。在候选模块中进一步筛选出4个显著性较高的潜在耐旱基因,分别为LOC_Os01g03710(甘露糖-6-磷酸异构酶)、LOC_Os06g21720(甲基转移酶)、LOC_Os08g31750(甲基转移酶)以及LOC_Os04g12900(葡萄糖基转移酶),其编码的蛋白结构相对简单。qRT-PCR分析显示,干旱处理后4个基因的表达量相较于对照组分别显著上调22.5、15.7、64、3.9倍。综上所述,本研究构建了水稻干旱胁迫下的基因共表达网络,鉴定出4个可能参与水稻耐旱调控的关键酶基因,同时发现干旱可促进水稻淀粉积累及糖类代谢相关基因的表达,为水稻耐旱基因的挖掘与抗旱育种提供理论依据和候选基因资源。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2026-02-28
基金项目:徐州生物工程职业技术学院校级科研项目(编号:XSZR202508);现代农业产业科技服务项目(编号:KC23139);徐州生物工程职业技术学院耕地保护利用科研团队项目(编号:XSTD202604)。
作者简介:王婷婷(1993—),女,河北秦皇岛人,博士,讲师,主要从事作物营养高效与抗逆分子遗传机制研究。E-mail:694565569@qq.com。
更新日期/Last Update: 2026-08-20