Regulation of hormone pathways in wheat infested by Blumeria graminis f. sp. tritici

被引:3
作者
Bai, Shuangyu [1 ]
Long, Jiaohui [1 ]
Cui, Yuanyuan [1 ]
Wang, Zhaoyi [1 ]
Liu, Caixia [1 ]
Liu, Fenglou [1 ]
Wang, Zhangjun [1 ]
Li, Qingfeng [1 ]
机构
[1] Ningxia Univ, Sch Agr, Yinchuan 750021, Peoples R China
关键词
Wheat; Blumeria graminis f. sp. tritici; Hormone; Transcriptome; WGCNA; POWDERY MILDEW RESISTANCE; SALICYLIC-ACID; JASMONIC ACID; CROSS-TALK; ARABIDOPSIS; BIOSYNTHESIS; RECEPTOR; DEFENSE; GENE; PROTEIN;
D O I
10.1186/s12870-023-04569-1
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Background Wheat powdery mildew is an obligate biotrophic pathogen infecting wheat, which can pose a serious threat to wheat production. In this study, transcriptome sequencing was carried out on wheat leaves infected by Blumeria graminis f. sp. tritici from 0 h to 7 d.Results KEGG and GO enrichment analysis revealed that the upstream biosynthetic pathways and downstream signal transduction pathways of salicylic acid, jasmonic acid, and ethylene were highly enriched at all infection periods. Trend analysis showed that the expressions of hormone-related genes were significantly expressed from 1 to 4 d, suggesting that 1 d-4 d is the main period in which hormones play a defensive role. During this period of time, the salicylic acid pathway was up-regulated, while the jasmonic acid and ethylene pathways were suppressed. Meanwhile, four key modules and 11 hub genes were identified, most of which were hormone related.Conclusion This study improves the understanding of the dynamical responses of wheat to Blumeria graminis f. sp. tritici infestation at the transcriptional level and provides a reference for screening core genes regulated by hormones.
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页数:17
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