期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/ijms22063114
关键词
lysin motif (LysM) protein; plant-fungus interactions; chitin; immunity manipulation
资金
- National Key Research and Development Program of China [2018YFE0112500]
- Elite Youth Program (Chinese Academy of Agricultural Sciences, CAAS)
- Agricultural Science and Technology Innovation Program grant
- National Natural Science Foundation of China [32001845]
Proteins with lysin motif (LysM) are crucial in host-pathogen interactions, with plant LysM proteins acting as pattern recognition receptors to induce immunity by sensing chitin, while fungal LysM proteins block chitin sensing to inhibit host immunity. This coevolutionary arms race involving LysM in manipulating plant-fungus interactions sheds light on the mechanisms governing immune responses.
The proteins with lysin motif (LysM) are carbohydrate-binding protein modules that play a critical role in the host-pathogen interactions. The plant LysM proteins mostly function as pattern recognition receptors (PRRs) that sense chitin to induce the plant's immunity. In contrast, fungal LysM blocks chitin sensing or signaling to inhibit chitin-induced host immunity. In this review, we provide historical perspectives on plant and fungal LysMs to demonstrate how these proteins are involved in the regulation of plant's immune response by microbes. Plants employ LysM proteins to recognize fungal chitins that are then degraded by plant chitinases to induce immunity. In contrast, fungal pathogens recruit LysM proteins to protect their cell wall from hydrolysis by plant chitinase to prevent activation of chitin-induced immunity. Uncovering this coevolutionary arms race in which LysM plays a pivotal role in manipulating facilitates a greater understanding of the mechanisms governing plant-fungus interactions.
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