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Article

CO(2) signaling in guard cells: calcium sensitivity response modulation, a Ca(2+)-independent phase, and CO(2) insensitivity of the gca2 mutant.

Proceedings of the National Academy of Sciences of the United States of America - 9 May 2006

Young Jared J, Mehta Samar, Israelsson Maria, Godoski Jan, Grill Erwin, Schroeder Julian I

Abstract excerpt

Leaf stomata close in response to high carbon dioxide levels and open at low CO(2). CO(2) concentrations in leaves are altered by daily dark/light cycles, as well as the continuing rise in atmospheric CO(2). Relative to abscisic acid and blue light signaling, little is known about the molecular, cellular, and genetic mechanisms of CO(2) signaling in guard cells. Interestingly, we report that repetitive Ca(2+)...

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Identifiers

PMID: 16651523
DOI: 10.1073/pnas.0602225103
PMCID: PMC1464368

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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.

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CO(2) signaling in guard cells: calcium sensitivity response modulation, a Ca(2+)-independent phase, and CO(2) insensitivity of the gca2 mutant.PMID 16651523Read ↗

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

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A defined range of guard cell calcium oscillation parameters encodes stomatal movements.Semantic proximity Read ↗

Stomatal CO2 responses at sub- and above-ambient CO2 levels employ different pathways in Arabidopsis.Semantic proximity Read ↗

The BIG protein distinguishes the process of CO2 -induced stomatal closure from the inhibition of stomatal opening by CO2.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 ↗

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 ↗

Calcium elevation-dependent and attenuated resting calcium-dependent abscisic acid induction of stomatal closure and abscisic acid-induced enhancement of calcium sensitivities of S-type anion and inward-rectifying K channels in Arabidopsis guard cells.Semantic proximity Read ↗

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

The ABC transporter AtABCB14 is a malate importer and modulates stomatal response to CO2.Semantic proximity Read ↗

Starch Biosynthesis in Guard Cells But Not in Mesophyll Cells Is Involved in CO2-Induced Stomatal Closing.Semantic proximity Read ↗

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