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Article

Blue light activates calcium-permeable channels in Arabidopsis mesophyll cells via the phototropin signaling pathway.

Proceedings of the National Academy of Sciences of the United States of America - 4 Feb 2003

Stoelzle Sonja, Kagawa Takatoshi, Wada Masamitsu, Hedrich Rainer, Dietrich Petra

Abstract excerpt

Light is a central regulator of plant growth and development. Among the processes triggered by blue and UV-A light, phototropism, stomatal movement, and chloroplast orientation rely on the activation of blue-light receptors known as phototropins. So far, these photoreceptors constitute a class of light receptor kinases unique to the plant kingdom. In Arabidopsis thaliana, the two members phot1 and phot2 have been...

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Identifiers

PMID: 12540824
DOI: 10.1073/pnas.0333408100
PMCID: PMC298794

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Blue light activates calcium-permeable channels in Arabidopsis mesophyll cells via the phototropin signaling pathway.PMID 12540824Read ↗

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Phototropins 1 and 2: versatile plant blue-light receptors.Semantic proximity Read ↗

Phot1 and phot2 mediate blue light regulation of stomatal opening.Semantic proximity Read ↗

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A transgene encoding a blue-light receptor, phot1, restores blue-light responses in the Arabidopsis phot1 phot2 double mutant.Semantic proximity Read ↗

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A BLUS1 kinase signal and a decrease in intercellular CO2 concentration are necessary for stomatal opening in response to blue light.Semantic proximity Read ↗

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