{"title":"The Spectrum of Diverse Disease-Resistance Genes Cloned and Characterized in the Triticeae Tribe.","authors":"Yinghui Li, Liubov Govta, Yi-Chang Sung, Gitta Coaker, Tzion Fahima","doi":"10.1146/annurev-phyto-121323-031121","DOIUrl":null,"url":null,"abstract":"<p><p>The Triticeae tribe comprises species representing some of the world's largest food and forage crops, including common wheat, durum, barley, rye, and oat. Crop yields are continuously threatened by various plant diseases and deploying disease resistance (R) genes is a key strategy for protection. More than 70 different Triticeae R gene loci have been cloned, with approximately 60% derived from wild relatives. These R genes belong to diverse protein families, such as receptor kinases (RKs), nucleotide-binding leucine-rich repeat (NLR) immune receptors, tandem kinase proteins, and kinase fusion proteins as well as noncanonical R genes related to membrane, transcription, and detoxification. RKs and NLRs often confer race-specific resistance by recognizing pathogen effectors, whereas noncanonical R genes can provide broad-spectrum resistance. This review provides an overview of the diverse R genes cloned from Triticeae and their evolutionary origins, modes of action, and application in resistance breeding.</p>","PeriodicalId":8251,"journal":{"name":"Annual review of phytopathology","volume":" ","pages":""},"PeriodicalIF":11.9000,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Annual review of phytopathology","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1146/annurev-phyto-121323-031121","RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"PLANT SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
The Triticeae tribe comprises species representing some of the world's largest food and forage crops, including common wheat, durum, barley, rye, and oat. Crop yields are continuously threatened by various plant diseases and deploying disease resistance (R) genes is a key strategy for protection. More than 70 different Triticeae R gene loci have been cloned, with approximately 60% derived from wild relatives. These R genes belong to diverse protein families, such as receptor kinases (RKs), nucleotide-binding leucine-rich repeat (NLR) immune receptors, tandem kinase proteins, and kinase fusion proteins as well as noncanonical R genes related to membrane, transcription, and detoxification. RKs and NLRs often confer race-specific resistance by recognizing pathogen effectors, whereas noncanonical R genes can provide broad-spectrum resistance. This review provides an overview of the diverse R genes cloned from Triticeae and their evolutionary origins, modes of action, and application in resistance breeding.
期刊介绍：
The Annual Review of Phytopathology, established in 1963, covers major advancements in plant pathology, including plant disease diagnosis, pathogens, host-pathogen Interactions, epidemiology and ecology, breeding for resistance and plant disease management, and includes a special section on the development of concepts. The journal is now open access through Annual Reviews' Subscribe to Open program, with articles published under a CC BY license.
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