RALF-like peptide improves the colonization of endophytic Colletotrichum tofieldiae through interacting with plant receptor-like kinase
文献类型： 外文期刊
作者： Liao, Ye 1 ; Wen, Xiangyu 1 ; Zheng, Jingyuan 1 ; Li, Xin 1 ; Deng, Xuelei 1 ; Tan, Xinqiu 3 ; Liang, Xiuhui 1 ; Yi, Xi 1 ; Liao, Hongdong 1 ;
作者机构： 1.Hunan Univ, Coll Biol, Hunan Prov Key Lab Plant Funct Genom & Dev Regulat, Changsha, Peoples R China
2.Hunan Acad Agr Sci, Inst Vegetable, Changsha, Peoples R China
3.Hunan Acad Agr Sci, Inst Plant Protect, Changsha, Peoples R China
4.Hunan Univ, Coll Biol, Hunan Prov Key Lab Plant Funct Genom & Dev Regulat, Changsha 410082, Peoples R China
关键词： Colletotrichum tofieldiae; endophytic colonization; plant receptor-like kinase FERONIA; rapid alkalinization factor; symbiotic signals
期刊名称：PLANT PATHOLOGY （ 影响因子：2.7； 五年影响因子：2.8 ）
ISSN： 0032-0862
年卷期： 2023 年
页码：
收录情况： SCI
摘要： Endophytes can colonize a host plant without inducing obvious disease symptoms. Elicitors from endophytes may play important roles in balancing endophyte colonization. We identified a novel endophytic elicitor from Colletotrichum tofieldiae, CtRALF, that has structural and functional characteristics similar to those of rapid alkalinization factor (RALF) peptides in Arabidopsis thaliana. We found that CtRALF can directly interact with the host plant receptor-like kinase FERONIA (FER). The colonization of FER mutant plants by hyphae of C. tofieldiae was obviously reduced compared with that on wild-type plants. Furthermore, the interaction of CtRALF with FER regulated symbiotic signals by triggering calcium waves, inhibiting reactive oxygen species bursts, increasing mitogen-activated protein kinase phosphorylation and reducing the stabilization of MYC2. Collectively, these results suggested that the RALF homologue of endophytes may improve their symbiosis by interacting with host plant-encoded FER.
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