ArticleThe Plant cell1997
Differential abscisic acid regulation of guard cell slow anion channels in Arabidopsis wild-type and abi1 and abi2 mutants.
Article in The Plant cell, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 176 papers.
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Who cites it
176 citing papers in PubMed, 456 citations in OpenAlex.
- Guard cell signal transduction mechanisms controlling stomatal movements by light, abscisic acid, CO2, VPD and heat.Plant physiology · 2026Review
- Regulation of vacuole fusion in stomata by dephosphorylation of the HOPS subunit VPS39.The Plant journal : for cell and molecular biology · 2025Article
- ZmWAK3-mediated cell wall remodeling and stomatal dynamics modulate drought tolerance in maize seedlings.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Chloride transport and homeostasis in plants.Quantitative plant biology · 2025Review
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- Overexpression of NAC transcription factors from Eremopyrum triticeum promoted abiotic stress tolerance.Transgenic research · 2024Article
- SCAB1 coordinates sequential CaScience China. Life sciences · 2024Article
- Phosphatidic acid produced by phospholipase Dα1 and Dδ is incorporated into the internal membranes but not involved in the gene expression ofFrontiers in plant science · 2024Article
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- Transmembrane potential, an indicator in situ reporting cellular senescence and stress response in plant tissues.Plant methods · 2023Article
- Multiple cyclic nucleotide-gated channels function as ABA-activated Ca2+ channels required for ABA-induced stomatal closure in Arabidopsis.The Plant cell · 2023Article
- Tubby-like proteins (TLPs) transcription factor in different regulatory mechanism in plants: a review.Plant molecular biology · 2022Review
- The MYB33, MYB65, and MYB101 transcription factors affect Arabidopsis and potato responses to drought by regulating the ABA signaling pathway.Physiologia plantarum · 2022Article
- Structural and Functional Insights into the Role of Guard Cell Ion Channels in Abiotic Stress-Induced Stomatal Closure.Plants (Basel, Switzerland) · 2021Review
- Raf-like kinases and receptor-like (pseudo)kinase GHR1 are required for stomatal vapor pressure difference response.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Differential regulation of drought stress by biological membrane transporters and channels.Plant cell reports · 2021Review
- Research on the drought tolerance mechanism of Pennisetum glaucum (L.) in the root during the seedling stage.BMC genomics · 2021Article
- Optogenetic control of the guard cell membrane potential and stomatal movement by the light-gated anion channelScience advances · 2021Article
- Isolation and molecular characterization of MYB60 in Solanum lycopersicum.Molecular biology reports · 2021Article
- The CyclophilinFrontiers in plant science · 2021Article
116 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abscisic acid (ABA) regulates vital physiological responses, and a number of events in the ABA signaling cascade remain to be identified. To allow quantitative analysis of genetic signaling mutants, patch-clamp experiments were developed and performed with the previously inaccessible Arabidopsis guard cells from the wild type and ABA-insensitive (abi) mutants. Slow anion channels have been proposed to play a rate-limiting role in ABA-induced stomatal closing. We now directly demonstrate that ABA strongly activates slow anion channels in wild-type guard cells. Furthermore, ABA-induced anion channel activation and stomatal closing were suppressed by protein phosphatase inhibitors. In abi1-1 and abi2-1 mutant guard cells, ABA activation of slow anion channels and ABA-induced stomatal closing were abolished. These impairments in ABA signaling were partially rescued by kinase inhibitors in abi1 but not in abi2 guard cells. These data provide cell biological evidence that the abi2 locus disrupts early ABA signaling, that abi1 and abi2 affect ABA signaling at different steps in the cascade, and that protein kinases act as negative regulators of ABA signaling in Arabidopsis. New models for ABA signaling pathways and roles for abi1, abi2, and protein kinases and phosphatases are discussed.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.