ArticleBMC plant biology2020
Indole-3-acetic acid improves drought tolerance of white clover via activating auxin, abscisic acid and jasmonic acid related genes and inhibiting senescence genes.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 76 papers.
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Who cites it
76 citing papers in PubMed, 179 citations in OpenAlex.
- Auxin and Jasmonic Acid Signalling Crosstalk Mediates Plant Growth Regulator-Stimulated Epigallocatechin Gallate Accumulation in Tea Plants (Plants (Basel, Switzerland) · 2026Article
- Abscisic acid interplay with phytohormones, plant growth regulators and signaling molecules in orchestrating an elaborate crosstalk for stress resilience in plants.Biologia futura · 2026Review
- Non-coding RNAs as central regulators of phytohormone signaling in plant abiotic stress responses.Plant molecular biology · 2026Review
- Species-specific, accession-specific, and common responses of foliar phytohormones and morphological traits to drought and herbivory.BMC plant biology · 2026Article
- Evaluation of allelopathic potentialities of an invasive taxon, Mesosphaerum suaveolens (L.) Kuntze, and bio-assay-guided identification of the involved allelochemicals.Scientific reports · 2026Article
- Genome-wide identification of the UMAMIT gene family in Medicago sativa L. and analysis of the response of umamits mutant to abiotic stress.BMC plant biology · 2026Article
- Integrated physiological, biochemical and hormonal traits determine drought tolerance and yield stability in cashew (Anacardium occidentale L.).Scientific reports · 2026Article
- Imperative roles of auxin signaling in reprogramming of drought tolerance in plants.Plant cell reports · 2026Review
- Plant growth promoting rhizobacteria (PGPR) mediated amelioration of plant tolerance to abiotic stresses: Drought, salinity, and heavy metals.Archives of microbiology · 2026Review
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- Synthetic microbial community in pristine environment promotes the growth of the endangered plant Lilium tsingtauense.Microbiome · 2025Article
- Stomatal signaling under drought: integrating hormonal pathways for crop resilience.Plant cell reports · 2025Review
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- Saline-alkali resilience: the role of Trametes NF1 in promoting alfalfa growth and salinity tolerance.International microbiology : the official journal of the Spanish Society for Microbiology · 2025Article
- Polyethylene glycol and proline synergistically improve salinity tolerance via physiological and biochemical reprogramming in mango.BMC plant biology · 2025Article
- Evolution analysis of GH3 gene family in five Rosaceae species and FaGH3.17, FaGH3.18 improve drought tolerance in transgenic Arabidopsis.BMC plant biology · 2025Article
- Transcriptomic and physiological insights into auxin-mediated root growth and potassium uptake in tobacco under low-potassium stress.BMC plant biology · 2025Article
- Synergistic effect of indole‒3‒acetic acid and nitrogen on yield, sugar profile, and nitrogen utilization of salt-stressed sugar beet crop.BMC plant biology · 2025Article
- Beneficial Effects of ACC Deaminase-Producing Rhizobacteria on the Drought Stress Resistance ofPlants (Basel, Switzerland) · 2025Article
16 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundAuxin may have a positive effect on plants under drought stress. White clover is widely cultivated and often prone to water shortages. In the present study, we investigated the effects of exogenous indole - 3-acetic acid (IAA) on growth and physiological changes of white clover under drought stress condition. The contents of endogenous IAA and other hormones including ABA, CTK, JA, GA, IAA, and SA were assayed. Moreover, expressions of auxin-responsive genes, drought-responsive genes and leaf senescence-associated genes were detected in response to exogenous IAA.
resultsCompared to control, drought stress alone significantly diminished stem dry weigh, relative water content (RWC) and total chlorophyll content (Chl). Exogenous IAA treatment significantly increased RWC and Chl, whereas L-AOPP treatment drastically decreased stem dry weight, RWC and Chl under drought stress condition. Additionally, exogenous IAA treatment significantly increased ABA content and JA content, up-regulated expression of auxin responsive genes (GH3.1, GH3.9, IAA8), drought stress responsive genes (bZIP11, DREB2, MYB14, MYB48, WRKY2, WRKY56, WRKY108715 and RD22), and down-regulated expressions of auxin-responding genes (GH3.3, GH3.6, IAA27) and leaf senescence genes (SAG101 and SAG102) in the presence of PEG. Contrarily, L-AOPP treatment significantly reduced contents of ABA, GA3 and JA, down-regulated expressions of GH3.1, GH3.9, IAA8, bZIP11, DREB2, MYB14, MYB48, WRKY2, WRKY56, WRKY108715, ERD and RD22, and up-regulated SAG101 and SAG102.
conclusionsExogenous IAA improved drought tolerance of white clover possibly due to endogenous plant hormone concentration changes and modulation of genes involving in drought stress response and leaf senescence. These results provided useful information to understand mechanisms of IAA improved drought tolerance in white clover.
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