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Author Zuo S., Zhou X., Chen M., Zhang S., Schwessinger B., Ruan D., Yuan C., Wang J., Chen X., Ronald P.C.
Title OsSERK1 regulates rice development but not immunity to Xanthomonas oryzae pv. oryzae or Magnaporthe oryzae.
Abstract:
Somatic embryogenesis receptor kinase (SERK) proteins play pivotal roles in regulation of plant development and immunity. The rice genome contains two SERK genes, OsSERK1 and OsSERK2. We previously demonstrated that OsSERK2 is required for rice Xa21-mediated resistance to Xanthomonas oryzae pv. oryzae (Xoo) and for normal development. Here we report the molecular characterization of OsSERK1. Overexpression of OsSERK1 results in a semi-dwarf phenotype whereas silencing of OsSERK1 results in a reduced angle of the lamina joint. OsSERK1 is not required for rice resistance to Xoo or Magnaporthe oryzae (M. oryzae). Overexpression of OsSERK1 in OsSERK2-silenced lines complements phenotypes associated with brassinosteroid (BR) signaling defects, but not the disease resistance phenotype mediated by Xa21. In yeast, OsSERK1 interacts with itself forming homodimers, and also interacts with the kinase domains of OsSERK2 and BRI1, respectively. OsSERK1 is a functional protein kinase capable of auto-phosphorylation in vitro. We conclude that, whereas OsSERK2 regulates both rice development and immunity, OsSERK1 functions in rice development but not immunity to Xoo and M. oryzae.
Journal J Integr Plant Biol
Country China
Volume
Pages
Year 2014
PubMed ID 25266270
PubMed Central ID -
DOI 10.1111/jipb.12290
URL -
Relation
Gene D61 XA21 _ _
INSD -
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 -
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