Abstract
Cell-to-cell and cell-to-environment communications are essential for plant growth, development, and adaptation to various environmental conditions. Receptor-like protein kinases (RLKs) are critical plasma membrane-localized proteins transducing extracellular signals into the cell to coordinate
Highlights
In the past two decades, the biological functions of a number of Receptor-like protein kinases (RLKs) have been revealed
These results demonstrated that BRI1-ASSOCIATED RECEPTOR KINASE1 (BAK1) and other SERK members function as essential coreceptors in BRI1mediated brassinosteroid signaling (Fig. 1A)
Consistent with this, structural analyses revealed that the elongated mutant of BAK1 contains a single amino acid substitution in the core of the SERK-BIR complex interface, which disrupts the interaction of BAK1 to BIRs, resulting in enhanced brassinosteroid signaling (Whippo and Hangarter, 2005; Hohmann et al, 2018a)
Summary
Paired Receptor and Coreceptor Kinases Perceive Extracellular Signals to Control Plant Development1[OPEN]. A growing number of plant RLK genes were identified, such as S-LOCUS RECEPTOR KINASE from Brassica oleracea (Stein et al, 1991) as well as ARABIDOPSIS RECEPTOR KINASE1 (Tobias et al, 1992) and TRANSMEMBRANE KINASE1 from Arabidopsis (Arabidopsis thaliana; Chang et al, 1992). Since this class of plant protein kinases show structural similarity to the mammalian growth factor receptor protein kinases, but no corresponding ligands of these putative receptors were identified at the time, they were designated as RLKs (Walker, 1993, 1994). RLKs are involved in the recognition of molecular
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