ArticleJournal of experimental botany2017
Up-regulation of NCED3 and ABA biosynthesis occur within minutes of a decrease in leaf turgor but AHK1 is not required.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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Who cites it
45 citing papers in PubMed.
- Tropical vulnerability and temperate resilience: molecular and physiological insights into cold stress adaptation in oil palm.GM crops & food · 2026Review
- Sulfite dynamics affect drought tolerance and water status in Arabidopsis and tomato.Journal of experimental botany · 2026Article
- Guard cell signal transduction mechanisms controlling stomatal movements by light, abscisic acid, CO2, VPD and heat.Plant physiology · 2026Review
- Toward understanding grapevine responses to climate change: a multi-stress and holistic approach.Journal of experimental botany · 2025Review
- From Hormones to Harvests: A Pathway to Strengthening Plant Resilience for Achieving Sustainable Development Goals.Plants (Basel, Switzerland) · 2025Review
- Understanding and optimizing plant growth in water-limited environments: 'growth versus defence' or 'growth versus risk mitigation'?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Article
- New Insights into the Synergistic Interaction Between PseudomonasMicroorganisms · 2025Article
- Article
- Dehydration rapidly induces expression of NCED genes from a single subclade in diverse eudicots.Planta · 2025Article
- Growing vegetables in a warming world - a review of crop response to drought stress, and strategies to mitigate adverse effects in vegetable production.Frontiers in plant science · 2025Review
- ContrastedPlant stress (Amsterdam, Netherlands) · 2024Article
- Excised leaves show limited and species-specific effects on photosynthetic parameters across crop functional types.Journal of experimental botany · 2023Article
- Uncovering molecular mechanisms involved in microbial volatile compounds-induced stomatal closure in Arabidopsis thaliana.Plant molecular biology · 2023Article
- Leaf hydraulic maze: Abscisic acid effects on bundle sheath, palisade, and spongy mesophyll conductance.Plant physiology · 2023Article
- Parallels between drought and flooding: An integrated framework for plant eco-physiological responses to water stress.Plant-environment interactions (Hoboken, N.J.) · 2023Review
- Article
- Integration of Electrical Signals and Phytohormones in the Control of Systemic Response.International journal of molecular sciences · 2023Review
- Metabolomic and transcriptomic responses of Adiantum (Frontiers in genetics · 2023Article
- Dynamics and stabilization mechanism of mitochondrial cristae morphofunction associated with turgor-driven cardiolipin biosynthesis under salt stress conditions.Scientific reports · 2022Article
- Abscisic Acid: Role in Fruit Development and Ripening.Frontiers in plant science · 2022Review
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A major environmental signal influencing day-time stomatal aperture is the vapour pressure deficit between the leaf and atmosphere (VPD). In angiosperms, increased VPD triggers biosynthesis of abscisic acid (ABA), prompting rapid stomatal closure. Altered cell turgor has been proposed as the trigger for ABA biosynthesis, but the timing and nature of the genetic signals linking these processes have remained uncertain. We investigated this in Arabidopsis by examining changes induced by a decrease in leaf turgor, simulating a natural increase in VPD. We found that the rate-limiting gene within the de novo ABA biosynthesis pathway, 9-cis-epoxycarotenoid dioxygenase 3 (NCED3), was induced and ABA levels increased within just 5 min of decreased leaf turgor. This rapid induction matches the time-frame for initiation of stomatal closure in response to a doubling in VPD. We further examined Arabidopsis histidine kinase1 (AHK1) as the most likely candidate for the turgor-sensing receptor involved, but found no significant difference between wild-type and an ahk1 null mutant in the induction of ABA-biosynthetic genes, ABA production, or stomatal behaviour. We show that decreased leaf turgor triggers de novo ABA biosynthesis within the time-frame of the stomatal response to VPD, but that AHK1 does not fulfil a critical role as a turgor-sensing receptor within this pathway.
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