ArticleJournal of experimental botany2014
Tomato PYR/PYL/RCAR abscisic acid receptors show high expression in root, differential sensitivity to the abscisic acid agonist quinabactin, and the capability to enhance plant drought resistance.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 100 papers.
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100 citing papers in PubMed, 251 citations in OpenAlex.
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- Abscisic Acid Enhances Ex Vitro Acclimatization Performance in Hop (International journal of molecular sciences · 2025Article
- Deciphering ABA/PYL gene family in flax: evolutionary analysis, and abiotic stress response.Plant cell reports · 2025Article
- Construction of a Membrane Yeast Two-Hybrid Library and Screening of MsPYR1-Like Interacting Proteins in Malus sieversii.Molecular biotechnology · 2025Article
- Transcriptional Profiling to Assess the Effects of Biological Stimulant Atlanticell Micomix on Tomato Seedlings Under Salt Stress.Plants (Basel, Switzerland) · 2025Article
- Wheat TaPYL9-involved signalling pathway impacts plant drought response through regulating distinct osmotic stress-associated physiological indices.Plant biotechnology journal · 2025Article
- Elucidating the role of pyrabactin-like receptors of finger millet under drought and salinity stress: an insight intoFrontiers in genetics · 2025Article
- Plant immunity to insect herbivores: mechanisms, interactions, and innovations for sustainable pest management.Frontiers in plant science · 2025Review
- Genome-Wide Analysis of the PYL Gene Family inInternational journal of molecular sciences · 2024Article
- Overexpression of the PotatoInternational journal of molecular sciences · 2024Article
- From Regulation to Application: The Role of Abscisic Acid in Seed and Fruit Development and Agronomic Production Strategies.International journal of molecular sciences · 2024Review
- Multifunctional Transcription Factor YABBY6 Regulates Morphogenesis, Drought and Cold Stress Responses in Rice.Rice (New York, N.Y.) · 2024Article
- The Abscisic Acid Receptor GeneAntioxidants (Basel, Switzerland) · 2024Article
- Overexpression of PotatoInternational journal of molecular sciences · 2024Article
40 more citing papers are in PubMed but not listed here.
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13 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Abscisic acid (ABA) plays a crucial role in the plant's response to both biotic and abiotic stress. Sustainable production of food faces several key challenges, particularly the generation of new varieties with improved water use efficiency and drought tolerance. Different studies have shown the potential applications of Arabidopsis PYR/PYL/RCAR ABA receptors to enhance plant drought resistance. Consequently the functional characterization of orthologous genes in crops holds promise for agriculture. The full set of tomato (Solanum lycopersicum) PYR/PYL/RCAR ABA receptors have been identified here. From the 15 putative tomato ABA receptors, 14 of them could be grouped in three subfamilies that correlated well with corresponding Arabidopsis subfamilies. High levels of expression of PYR/PYL/RCAR genes was found in tomato root, and some genes showed predominant expression in leaf and fruit tissues. Functional characterization of tomato receptors was performed through interaction assays with Arabidopsis and tomato clade A protein phosphatase type 2Cs (PP2Cs) as well as phosphatase inhibition studies. Tomato receptors were able to inhibit the activity of clade A PP2Cs differentially in an ABA-dependent manner, and at least three receptors were sensitive to the ABA agonist quinabactin, which inhibited tomato seed germination. Indeed, the chemical activation of ABA signalling induced by quinabactin was able to activate stress-responsive genes. Both dimeric and monomeric tomato receptors were functional in Arabidopsis plant cells, but only overexpression of monomeric-type receptors conferred enhanced drought resistance. In summary, gene expression analyses, and chemical and transgenic approaches revealed distinct properties of tomato PYR/PYL/RCAR ABA receptors that might have biotechnological implications.
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