期刊
TRENDS IN PLANT SCIENCE
卷 20, 期 1, 页码 56-64出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2014.10.001
关键词
mitogen-activated protein kinase cascade; protein phosphorylation; receptor-ligand interaction; cell-cell communication; plant growth and development
资金
- Natural Science Foundation of China [91317303, 31300244]
- Zhejiang University 985 Project [118000-193411801]
- National Science Foundation [IOS-0743957, MCB-0950519]
Mitogen-activated protein kinase (MAPK) cascades are ubiquitous signaling modules in eukaryotes. Early research of plant MAPKs has been focused on their functions in immunity and stress responses. Recent studies reveal that they also play essential roles in plant growth and development downstream of receptor-like protein kinases (RLKs). With only a limited number of MAPK components, multiple functional pathways initiated from different receptors often share the same MAPK components or even a complete MAPK cascade. In this review, we discuss how MAPK cascades function as molecular switches in response to spatiotemporal-specific ligand receptor interactions and the availability of downstream substrates. In addition, we discuss other possible mechanisms governing the functional specificity of plant MAPK cascades, a question central to our understanding of MAPK functions.
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