Abstract
Plant receptor-like protein kinases (RLKs) are transmembrane proteins with an extracellular domain and an intracellular kinase domain, which enable plant perceiving diverse extracellular stimuli to trigger the intracellular signal transduction. The somatic embryogenesis receptor kinases (SERKs) code the leucine-rich-repeat receptor-like kinase (LRR-RLK), and have been demonstrated to associate with multiple ligand-binding receptors to regulate plant growth, root development, male fertility, stomatal development and movement, and immune responses. Here, we focus on the progress made in recent years in understanding the versatile functions of Arabidopsis SERK proteins, and review SERK proteins as co-receptor to perceive different endogenous and environmental cues in different signaling pathway, and discuss how the kinase activity of SERKs is regulated by various modification.
Highlights
Plants are non-motile organisms and through evolution they have developed multiple strategies to sense surrounding cues in order to adapt to the changing environment
Owing to the extraordinary progresses made in understanding the association with numerous cell-surface receptors in a ligand-dependent manner, somatic embryogenesis receptor kinases (SERKs) are emerging as coreceptors to perceive diverse internal and external signals, and regulate plant growth, root development, male fertility, stomatal development and movement, and stress responses (Table 1 and Figure 1)
SERKs interact with a diversity of LRR-receptor-like protein kinases (RLKs) receptors to involve in different signaling pathway, whereas it is unclear how SERKs successfully determine the specificity
Summary
Diverse roles of SERK family genes in plant growth, development and defense response. Plant receptor-like protein kinases (RLKs) are transmembrane proteins with an extracellular domain and an intracellular kinase domain, which enable plant perceiving diverse extracellular stimuli to trigger the intracellular signal transduction. The somatic embryogenesis receptor kinases (SERKs) code the leucine-rich-repeat receptor-like kinase (LRR-RLK), and have been demonstrated to associate with multiple ligand-binding receptors to regulate plant growth, root development, male fertility, stomatal development and movement, and immune responses. We focus on the progress made in recent years in understanding the versatile functions of Arabidopsis SERK proteins, and review SERK proteins as co-receptor to perceive different endogenous and environmental cues in different signaling pathway, and discuss how the kinase activity of SERKs is regulated by various modification
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