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Article

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

The Plant cell - 2 Jul 2021

Hosotani Sakurako, Yamauchi Shota, Kobayashi Haruki, Fuji Saashia, Koya Shigekazu, Shimazaki Ken-Ichiro, Takemiya Atsushi

Abstract excerpt

Light-induced stomatal opening stimulates CO2 uptake and transpiration in plants. Weak blue light under strong red light effectively induces stomatal opening. Blue light-dependent stomatal opening initiates light perception by phototropins, and the signal is transmitted to a plasma membrane H+-ATPase in guard cells via BLUE LIGHT SIGNALING 1 (BLUS1) kinase. However, it is unclear how BLUS1 transmits the signal to...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 33665670
DOI: 10.1093/plcell/koab067
PMCID: PMC8254492

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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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.PMID 33665670Read ↗

Phosphorylation of BLUS1 kinase by phototropins is a primary step in stomatal opening.Semantic proximity Read ↗

Blue light and CO2 signals converge to regulate light-induced stomatal opening.Semantic proximity Read ↗

The Plasma Membrane H+-ATPase AHA1 Plays a Major Role in Stomatal Opening in Response to Blue Light.Semantic proximity Read ↗

CIPK23 regulates blue light-dependent stomatal opening in Arabidopsis thaliana.Semantic proximity Read ↗

Warming triggers stomatal opening by enhancement of photosynthesis and ensuing guard cell CO2 sensing, whereas higher temperatures induce a photosynthesis-uncoupled response.Semantic proximity Read ↗

Overexpression of plasma membrane H+-ATPase in guard cells promotes light-induced stomatal opening and enhances plant growth.Semantic proximity Read ↗

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

Hypersensitive to red and blue 1 and its modification by protein phosphatase 7 are implicated in the control of Arabidopsis stomatal aperture.Semantic proximity Read ↗

CO2 response screen in grass Brachypodium reveals the key role of a MAP kinase in CO2-triggered stomatal closure.Semantic proximity Read ↗

bHLH transcription factors that facilitate K⁺ uptake during stomatal opening are repressed by abscisic acid through phosphorylation.Semantic proximity Read ↗

Phosphorylation of WDR48 by phototropins drives starch degradation to promote stomatal opening.Semantic proximity Read ↗

New approaches to the biology of stomatal guard cells.Semantic proximity Read ↗

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