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Reversible phosphorylation of NPH3/RPT2-like proteins regulates phototropin receptor signaling.

The Plant cell - 3 Mar 2026

Sullivan Stuart, Hermanowicz Pawel, Higa Takeshi, Waksman Thomas, Gotoh Eiji, Horne Arran, Henderson Louise, Prochwicz Aneta, Wada Masamitsu, Nakai Masato, Suetsugu Noriyuki, Łabuz Justyna, Christie John M

Abstract excerpt

Phototropin receptor kinases (phot1 and phot2) enhance photosynthesis by coordinating light responses such as phototropism and chloroplast repositioning under low blue light conditions. These processes rely on NON-PHOTOTROPIC HYPOCOTYL 3 (NPH3)/ROOT PHOTOTROPISM 2-like (NRL) proteins. The Arabidopsis (Arabidopsis thaliana) NRL protein NPH3 is phosphorylated by phot1 at S744, a modification that alters its...

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Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

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Identifiers

PMID: 41719245
DOI: 10.1093/plcell/koag043
PMCID: PMC13017905

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NRL

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Research trail→

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Reversible phosphorylation of NPH3/RPT2-like proteins regulates phototropin receptor signaling.PMID 41719245Read ↗

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