ArticleBMC plant biology2023
GhPYL9-5D and GhPYR1-3 A positively regulate Arabidopsis and cotton responses to ABA, drought, high salinity and osmotic stress.
Article in BMC plant biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 16 citations in OpenAlex.
- γ‑polyglutamic acid‑induced GhJAZ8 positively regulates drought tolerance in cotton associated with phytohormone signaling.Plant molecular biology · 2026Article
- E3 ligase ATL17 is a key regulator of abscisic acid signaling that mediates AHG1 degradation in Arabidopsis thaliana.The New phytologist · 2026Article
- Genome-Wide Analysis of theInternational journal of molecular sciences · 2026Article
- Overexpression ofInternational journal of molecular sciences · 2026Article
- Intermolecular-Interaction-Driven Adaptive Remodeling: A Network Perspective on Plant Abiotic Stress Responses.Plants (Basel, Switzerland) · 2026Review
- A GhBGH2-GhGLK1 Regulatory Module Mediates Salt Tolerance in Cotton.Plant biotechnology journal · 2025Article
- Characterization of the ABA receptor PYL gene family and identification of DoPYL1-interacting proteins in Dendrobium officinale.BMC plant biology · 2025Article
- Deciphering ABA/PYL gene family in flax: evolutionary analysis, and abiotic stress response.Plant cell reports · 2025Article
- Genome-Wide Identification and Functional Characterization of the Dof Family inInternational journal of molecular sciences · 2025Article
- Identification of Ethylene Response Factors in Wheat Reveals ThatPlants (Basel, Switzerland) · 2025Article
- Molecular profiling ofFrontiers in plant science · 2025Article
- Genome-Wide Analysis of the PYL Gene Family inInternational journal of molecular sciences · 2024Article
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9 authors at 1 institution in 1 country.
Funding
Abstract
backgroundAbscisic acid (ABA) receptor pyrabactin resistance 1/PYR1-like/regulatory components of ABA receptor proteins (PYR/PYL/RCARs) have been demonstrated to play pivotal roles in ABA signaling and in response to diverse environmental stimuli including drought, salinity and osmotic stress in Arabidopsis. However, whether and how GhPYL9-5D and GhPYR1-3A, the homologues of Arabidopsis PYL9 and PYR1 in cotton, function in responding to ABA and abiotic stresses are still unclear.
resultsGhPYL9-5D and GhPYR1-3A were targeted to the cytoplasm and nucleus. Overexpression of GhPYL9-5D and GhPYR1-3A in Arabidopsis wild type and sextuple mutant pyr1pyl1pyl2pyl4pyl5pyl8 plants resulted in ABA hypersensitivity in terms of seed germination, root growth and stomatal closure, as well as seedling tolerance to water deficit, salt and osmotic stress. Moreover, the VIGS (Virus-induced gene silencing) cotton plants, in which GhPYL9-5D or GhPYR1-3A were knocked down, showed clearly reduced tolerance to polyethylene glycol 6000 (PEG)-induced drought, salinity and osmotic stresses compared with the controls. Additionally, transcriptomic data revealed that GhPYL9-5D was highly expressed in the root, and GhPYR1-3A was strongly expressed in the fiber and stem. GhPYL9-5D, GhPYR1-3A and their homologs in cotton were highly expressed after treatment with PEG or NaCl, and the two genes were co-expressed with redox signaling components, transcription factors and auxin signal components. These results suggest that GhPYL9-5D and GhPYR1-3A may serve important roles through interplaying with hormone and other signaling components in cotton adaptation to salt or osmotic stress.
conclusionsGhPYL9-5D and GhPYR1-3A positively regulate ABA-mediated seed germination, primary root growth and stomatal closure, as well as tolerance to drought, salt and osmotic stresses likely through affecting the expression of multiple downstream stress-associated genes in Arabidopsis and cotton.
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