Unraveling the host-pathogen relationship between rice and Magnaporthe oryzae

IF 3.3 3区农林科学 Q2 PLANT SCIENCES

Physiological and Molecular Plant Pathology Pub Date : 2025-09-09 DOI:10.1016/j.pmpp.2025.102928

Ragulakollu Sravanthi , Loganathan Arul , Swaminathan Manonmani , Chellappan Gopalakrishnan , Veeraswamy Ravichandran , Jegadeesan Ramalingam

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Abstract

Rice blast disease, caused by the fungal pathogen Magnaporthe oryzae, is one of the most devastating threats to global rice production, significantly impacting food security. Understanding how rice interacts with M. oryzae is vital for creating effective resistance strategies. This review thoroughly examines the molecular mechanisms involved in pathogen recognition, immune activation, and the complex interactions between host defenses and fungal pathogenicity. It discusses key defense strategies in rice, including pattern-triggered immunity (PTI), effector-triggered immunity (ETI), hormonal regulation, and the production of secondary metabolites. The review also explores the roles of small RNAs and proteomic changes in shaping host-pathogen interactions. Advances in genetic and biotechnological techniques, such as CRISPR/Cas9 and omics-based studies, have deepened our understanding of host resistance mechanisms. Additionally, it highlights fungal virulence strategies, such as effector-mediated suppression of immunity and metabolic reprogramming. By integrating current knowledge, this review provides a foundation for developing innovative and sustainable approaches to combat blast disease, ultimately supporting global food security.

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水稻与稻瘟病菌寄主-病原菌关系的研究

稻瘟病是由稻瘟病真菌引起的，是对全球水稻生产最具破坏性的威胁之一，严重影响粮食安全。了解水稻如何与M. oryzae相互作用对于制定有效的抗性策略至关重要。本文综述了病原体识别、免疫激活以及宿主防御与真菌致病性之间复杂相互作用的分子机制。它讨论了水稻的关键防御策略，包括模式触发免疫（PTI）、效应触发免疫（ETI）、激素调节和次生代谢物的产生。综述还探讨了小rna和蛋白质组学变化在形成宿主-病原体相互作用中的作用。遗传和生物技术的进步，如CRISPR/Cas9和基于组学的研究，加深了我们对宿主抗性机制的理解。此外，它强调了真菌毒力策略，如效应介导的免疫抑制和代谢重编程。通过整合现有知识，本综述为开发创新和可持续的方法来防治稻瘟病提供了基础，最终支持全球粮食安全。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physiological and Molecular Plant Pathology 生物-植物科学

CiteScore

4.30

自引率

7.40%

发文量

130

审稿时长

38 days

期刊介绍： Physiological and Molecular Plant Pathology provides an International forum for original research papers, reviews, and commentaries on all aspects of the molecular biology, biochemistry, physiology, histology and cytology, genetics and evolution of plant-microbe interactions. Papers on all kinds of infective pathogen, including viruses, prokaryotes, fungi, and nematodes, as well as mutualistic organisms such as Rhizobium and mycorrhyzal fungi, are acceptable as long as they have a bearing on the interaction between pathogen and plant.