Regulation of Hormone Pathways in Wheat Infested by Blumeria Graminis F. Sp. Tritici

Overview

Journal BMC Plant Biol

Publisher Biomed Central

Specialty Biology

Date 2023 Nov 8

PMID 37940874

Authors

Shuangyu Bai

Jiaohui Long

Yuanyuan Cui

Zhaoyi Wang

Caixia Liu

Fenglou Liu

Zhangjun Wang

Qingfeng Li

Affiliations

Soon will be listed here.

Abstract

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.

Citing Articles

Uncovering the Mechanisms: The Role of Biotrophic Fungi in Activating or Suppressing Plant Defense Responses.

Leiva-Mora M, Capdesuner Y, Villalobos-Olivera A, Moya-Jimenez R, Saa L, Martinez-Montero M J Fungi (Basel). 2024; 10(9).

PMID: 39330396 PMC: 11433257. DOI: 10.3390/jof10090635.

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