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Plant Disease Resistance-Related Signaling Pathways and Their Interactions
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Plant Disease Resistance-Related Signaling Pathways and Their Interactions

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Plant Genetics and Genomics".

Deadline for manuscript submissions: closed (10 January 2025) | Viewed by 926

Special Issue Editor

Prof. Dr. Lijun Sun

E-Mail Website
Guest Editor
School of Life Sciences, Nantong University, Nantong 226019, China
Interests: plants; hydrogen peroxide; disposable stainless-steel wire; electrochemical microsensor; in vivo and continuous electrochemical monitoring

Special Issue Information

Dear Colleagues,

During their growth and development, plants often suffer from pathogens such as viruses, bacteria, fungi, and nematodes, which damage plant cells and consequently affect plant growth, development, and crop yield. During the interaction between plants and pathogens, a series of disease-resistance-related signaling molecules, such as hydrogen peroxide, salicylic acid, auxin, abscisic acid, jasmonic acid, and ethylene, are produced in plants. These signaling molecules play an important role in plant disease resistance and defense signal transduction networks. A key scientific question that researchers need to address is how disease-resistance-related signaling molecules, in response to different invaders, are transmitted over long distances through the vascular tissues of the plant’s roots, stems, and leaves, forming complex regulatory networks and utilizing different signal combinations to enhance the overall resistance of the plant.

Prof. Dr. Lijun Sun
Guest Editor

Manuscript Submission Information

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Keywords

  • plant disease-resistance-related signal molecules
  • signal transmission and interaction
  • systemic acquired resistance (SAR)
  • induced systemic resistance (ISR)
  • disease-resistance-related signal molecule regulatory genes

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Published Papers (1 paper)

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Research

24 pages, 15348 KiB  
Article
A TFAIII-Type Transcription Factor OsZFPH Regulating a Signaling Pathway Confers Resistance to Xanthomonas oryzae pv. Oryzae in Rice
by Chunyun Yang, Xinxiang A, Cuifeng Tang, Chao Dong, Feifei Zhang, Chunmei He, Yiding Sun, Yi Yang, Sandan Yan, Yanhong Liu, Yayun Yang and Luyuan Dai
Genes 2025, 16(3), 240; https://doi.org/10.3390/genes16030240 - 20 Feb 2025
Viewed by 496
Abstract
Background: Rice bacterial leaf blight, caused by the Gram-negative bacterium Xanthomonas oryzae pv. Oryzae (Xoo), significantly impacts rice production. To address this disease, research efforts have focused on discovering and utilizing novel disease-resistant genes and examining their functional mechanisms. Methods and [...] Read more.
Background: Rice bacterial leaf blight, caused by the Gram-negative bacterium Xanthomonas oryzae pv. Oryzae (Xoo), significantly impacts rice production. To address this disease, research efforts have focused on discovering and utilizing novel disease-resistant genes and examining their functional mechanisms. Methods and Results: In this study, a variety of bacterial strains were utilized. CX28-3, AX-11, JC12-2, and X10 were isolated from the high-altitude japonica rice-growing region on the Yunnan Plateau. Additionally, PXO61, PXO86, PXO99, and PXO339, sourced from the International Rice Research Institute (IRRI), were included in the analysis. To evaluate the resistance characteristics of Haonuoyang, artificial leaf cutting and inoculation methods were applied. Results indicated that Haonuoyang exhibited broad-spectrum resistance. Additionally, to explore the genetic mechanisms of resistance, the TFAIII-type transcription factor OsZFPH was cloned from Haonuoyang using PCR amplification. The subcellular localization method identified the precise location of the OsZFPH gene within the cell. The expression of OsZFPH was induced by Xoo stress. The overexpression of OsZFPH resulted in increased activities of enzymes, including SOD, CAT, and POD, while silencing the gene led to reduced enzyme activities. Furthermore, the hormones SA (salicylic acid), JA (jasmonic acid), and GA (gibberellin) were shown to positively regulate the gene expression. Protein interactions with OsZFPH were verified through a yeast two-hybrid system and BiFC technology. Hap5, which aligned with the sequence of Haonuoyang, was found to belong to a haplotype consisting of Jingang 30, 40 resequenced rice varieties, 18 Oryza rufipogon, and 29 Oryza granulata. Conclusions: The findings of this study emphasize the vital role of OsZFPH in rice resistance to bacterial leaf blight. The identification of broad-spectrum resistance in Haonuoyang and the understanding of OsZFPH gene functions provide valuable insights for the future development of rice varieties with improved resistance to this destructive disease. Full article
(This article belongs to the Special Issue Plant Disease Resistance-Related Signaling Pathways and Their Interactions)
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