ArticleCell reports2018
Arabidopsis Duodecuple Mutant of PYL ABA Receptors Reveals PYL Repression of ABA-Independent SnRK2 Activity.
Article in Cell reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 120 papers.
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120 citing papers in PubMed, 298 citations in OpenAlex.
- E3 ligase ATL17 is a key regulator of abscisic acid signaling that mediates AHG1 degradation in Arabidopsis thaliana.The New phytologist · 2026Article
- Spatially Resolved ABA Signalling Reveals Dual Role in Tomato Yield.Plant biotechnology journal · 2026Article
- Effects of Fertilizer Rates on Growth ofLife (Basel, Switzerland) · 2026Article
- FaCPK19-FaTT1 axis decodes heat-induced CaThe New phytologist · 2026Article
- Light and ABA signaling are involved in transcriptional regulation of PsbS in plants.Plant cell reports · 2026Article
- Genome-Wide Identification of the XTH Gene Family inPlants (Basel, Switzerland) · 2026Article
- Tyrosine-sulfated peptide-induced flavonol biosynthesis controls elongation and differentiation in Arabidopsis primary root.The Plant cell · 2026Article
- From signals to solutions: stress-induced leaf senescence and synthetic biology and AI approaches for crop resilience.Molecular horticulture · 2026Review
- OsSAP3 Enhances Rice Seed Vigor by Modulating Hydrogen Peroxide Homeostasis.Rice (New York, N.Y.) · 2026Article
- Holistic overview of regulatory networks governing seed dormancy and germination in plants.Science China. Life sciences · 2026Review
- The RCAR12-CAP1-OST1 module controls ABA-mediated stomatal closure in Arabidopsis.PLoS genetics · 2026Article
- Subclass III SnRK2 Kinases Coordinate Starch and Storage Protein Synthesis During Maize Kernel Development.Plant biotechnology journal · 2026Article
- Loss ofPlants (Basel, Switzerland) · 2026Article
- The ADF4-RCAR12 module regulates ABA-mediated drought tolerance inFrontiers in plant science · 2026Article
- ABA-independent PP2C-binding in PYLs traces to bacterial origins and persists in land plants.Nature communications · 2025Article
- FL7 is an ancient ABA-independent inhibitor of PP2C-As regulating plant stress responses.Nature communications · 2025Article
- Transcriptional reprogramming under drought reveals divergent adaptive strategies in Quinoa.BMC plant biology · 2025Article
- Genome-wide identification and expression analysis of the PYL gene family in response to salt, drought and cold stresses in Solanum melongena L.BMC genomics · 2025Article
- Genome-Wide Identification of theInternational journal of molecular sciences · 2025Article
- CpSnRK2.7 interacts with CpPP2Cs to enhance salt tolerance via modulating oxidative stress in Cucurbita pepo.Plant cell reports · 2025Article
60 more citing papers are in PubMed but not listed here.
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Authors and funding
17 authors at 5 institutions in 2 countries.
Funding
Abstract
Abscisic acid (ABA) is an important phytohormone controlling responses to abiotic stresses and is sensed by proteins from the PYR/PYL/RCAR family. To explore the genetic contribution of PYLs toward ABA-dependent and ABA-independent processes, we generated and characterized high-order Arabidopsis mutants with mutations in the PYL family. We obtained a pyl quattuordecuple mutant and found that it was severely impaired in growth and failed to produce seeds. Thus, we carried out a detailed characterization of a pyl duodecuple mutant, pyr1pyl1/2/3/4/5/7/8/9/10/11/12. The duodecuple mutant was extremely insensitive to ABA effects on seed germination, seedling growth, stomatal closure, leaf senescence, and gene expression. The activation of SnRK2 protein kinases by ABA was blocked in the duodecuple mutant, but, unexpectedly, osmotic stress activation of SnRK2s was enhanced. Our results demonstrate an important role of basal ABA signaling in growth, senescence, and abscission and reveal that PYLs antagonize ABA-independent activation of SnRK2s by osmotic stress.
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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.