IndraLab

Statements

Mapk1 phosphorylates KCNA1. 4 / 4
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"We further found that MPK1 phosphorylates RBK1 in vitro , and that RBK1 phosphorylates Rho-like GTPases from Plants4 (ROP4) and ROP6."
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"Further, our data that MPK1 directly phosphorylates RBK1 suggests that MPK1 acts upstream of RBK1 in this pathway."
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"This data suggests that MPK1 phosphorylates RBK1, but RBK1 is unable to phosphorylate MPK1 T191A/Y193A , either because MPK1 is not a substrate of RBK1 or because RBK1 specifically phosphorylates the T191 or Y193 residues of MPK1."
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"Because rbk1 mutants display similar phenotypes to mpk1 , and because MPK1 phosphorylates RBK1, we hypothesize that RBK1 may act in the MKK3 • MPK1 signaling cascade to influence auxin-responsive cell expansion."
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