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Article

LRS1 phosphorylated in response to blue light regulates stomatal opening.

Journal of plant research - 1 Sept 2026

Fukatsu Kohei, Hayashi Yuki, Kuwata Keiko, Kinoshita Toshinori

Abstract excerpt

Blue light receptor phototropin is a protein kinase that initiates various blue light signaling pathways, including the phosphorylation and activation of plasma membrane (PM) H+-ATPase for stomatal opening. Activation of PM H+-ATPase drives K+ uptake via K+in channels. This influx of K⁺ is electrically balanced by intracellular anions such as Cl⁻ and malate2-, increasing cellular osmotic potential and driving...

Read the complete abstract on PubMed

Topics

Plant Stomata
Blue Light
Phosphorylation
Vicia faba
Arabidopsis
Proton-Translocating ATPases
Arabidopsis Proteins

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

Plant Proteins

Mutation

Starch

Light

Phosphotransferases

Protein Serine-Threonine Kinases

Source

Open in PubMed Open full text

Identifiers

PMID: 42573725
DOI: 10.1007/s10265-026-01747-8
PMCID: PMC13588897

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 24 Oct 2026.

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LRS1 phosphorylated in response to blue light regulates stomatal opening.PMID 42573725Read ↗

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