Abstract

Nucleotide-binding leucine-rich repeat sequence (NBS-LRR) protein is the main immune receptor in plants and participates in plant resistance to pathogens. When the NBS-LRR protein is activated by the pathogen’s effector protein, its conformation changes from an inhibitory state to an activated state, then it activates downstream signal transduction and initiates defense responses to inhibit the growth of pathogens. The NBS-LRR protein has major three domains: NBS, LRR and TIR/CC, which all play a certain role in the immune response induced by it. In this paper, the NBS-LRR protein domains and their functions, molecular mechanism of the induced immune response and its application in disease resistance breeding are reviewed.

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