IndraLab

Statements

KCNA1 phosphorylates OPN1LW. 4 / 4
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"However, we do not know how MPK1-mediated phosphorylation of RBK1 affects its activity, nor do we understand how ROP protein phosphorylation by RBK1 affects ROP activity."
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"Because loss of RBK1 function results in increased auxin responsiveness ( xref ) and loss of ROP function leads to decreased auxin responsiveness ( xref ; xref ; xref ; xref ), we hypothesize that ROP phosphorylation by RBK1 could negatively impact ROP function ( xref )."
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"In this study, we identified MKK3 • MPK1 • RBK1 as a potential kinase cascade that terminates in ROP protein phosphorylation. xref suggested that RBK1 may act downstream of ROP proteins, because they did not observe phosphorylation of ROP proteins by RBK1 in a kinase assay."
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"RBK1 phosphorylation of ROP proteins may be the molecular basis for MPK1 impacts on auxin-responsive cell expansion."
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