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Author Zhou X., Wang J., Peng C., Zhu X., Yin J., Li W., He M., Wang J., Chern M., Yuan C., Wu W., Ma W., Qin P., Ma B., Wu X., Li S., Ronald P., Chen X.
Title Four receptor-like cytoplasmic kinases regulate development and immunity in rice.
Receptor-like cytoplasmic kinases (RLCKs) represent a large family of proteins in plants. However, few RLCKs have been well-characterized. Here, we report the functional characterization of four rice RLCKs-OsRLCK57, OsRLCK107, OsRLCK118, and OsRLCK176 from subfamily VII. These OsRLCKs interact with the rice brassinosteroid receptor, OsBRI1 in yeast cell, but not the XA21 immune receptor. Transgenic lines silenced for each of these genes have enlarged leaf angles and are hypersensitive to brassinolide treatment compared to wild type rice. Transgenic plants silenced for OsRLCK57 had significantly fewer tillers and reduced panicle secondary branching, and lines silenced for OsRLCK107 and OsRLCK118 produce fewer seeds. Silencing of these genes decreased XA21 gene expression and compromised XA21-mediated immunity to Xanthomonas oryzae pv. oryzae. Our study demonstrates that these OsRLCKs negatively regulate BR signaling, while positively regulate immune responses by contributing to the expression of the immune receptor XA21. This article is protected by copyright. All rights reserved.
Journal Plant Cell Environ.
Country China
Year 2015
PubMed ID 26679011
PubMed Central ID -
DOI 10.1111/pce.12696
Gene D61 RLCK107 RLCK118 RLCK176 RLCK57 XA21
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
Stages in Each Organ
- Muant Lines (Gene)
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -