ArticleCommunications biology2024
Arabidopsis COP1 guides stomatal response in guard cells through pH regulation.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 9 citations in OpenAlex.
- The red and blue light dialog of stomatal regulation for water-efficient crops.Plant physiology · 2026Review
- Influence ofMicroorganisms · 2025Article
- Multi-physics modeling for ion homeostasis in multi-compartment plant cells using an energy function.PLoS computational biology · 2025Article
- Growth, leaf δBMC plant biology · 2025Article
- Molecular tipping points in plant cell surface HQuantitative plant biology · 2025Review
- Cytosolic alkalinization in guard cells: an intriguing but interesting event during stomatal closure that merits further validation of its importance.Frontiers in plant science · 2024Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants rely on precise regulation of their stomatal pores to effectively carry out photosynthesis while managing water status. The Arabidopsis CONSTITUTIVE PHOTOMORPHOGENIC 1 (COP1), a critical light signaling repressor, is known to repress stomatal opening, but the exact cellular mechanisms remain unknown. Here, we show that COP1 regulates stomatal movement by controlling the pH levels in guard cells. cop1-4 mutants have larger stomatal apertures and disrupted pH dynamics within guard cells, characterized by increased vacuolar and cytosolic pH and reduced apoplastic pH, leading to abnormal stomatal responses. The altered pH profiles are attributed to the increased plasma membrane (PM) H
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Registered trials
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