Constructing a Novel Disease Resistance Mechanism Model for Cruciferous Crops: An Example From Black Rot

Haojie Dai,L. Hu,Jie Wang,Zhibin Yue,Jue Wang,Tongyan Chen,Jinbao Li,Tingting Dou,Jihua Yu,Zeci Liu

Published 2025 in Molecular plant pathology

ABSTRACT

Cruciferous crops are essential components of global agricultural production due to their rich nutritional value and extensive economic benefits. Black rot caused by Xanthomonas campestris pv. campestris (Xcc) has caused significant losses to cruciferous crops. Therefore, studying the resistance mechanisms of cruciferous crops to improve the disease resistance of cruciferous crops is of significant practical importance. This review introduces the biological characteristics and epidemiological patterns of the Xcc. The main resistance mechanisms including the physical barrier functions, immune responses, systemic resistance, regulation of photosynthesis, antimicrobial effects of secondary metabolites, production and regulation of reactive oxygen species, and the signalling pathways of salicylic acid, jasmonic acid and ethylene of cruciferous crops to Xcc are also summarised. Comprehensive knowledge of these resistance mechanisms will provide theoretical support for enhancing disease resistance in crops.

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