ArticlePlant physiology2013
GIGANTEA enables drought escape response via abscisic acid-dependent activation of the florigens and SUPPRESSOR OF OVEREXPRESSION OF CONSTANS.
Article in Plant physiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 137 papers.
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137 citing papers in PubMed.
- Temporal multi-omics analysis of HSF-HSP and flavonoid pathways under heat stress in Iris.BMC plant biology · 2026Article
- Transcriptome profiling reveals divergent response strategies in two olive cultivars with contrasting drought tolerance.Plant physiology · 2026Article
- "Bud to bloom"-hormonal coordination in floral initiation.Plant biology (Stuttgart, Germany) · 2025Review
- Photoperiod and Circadian Regulation in Plants: A Review of Insights from In Vitro Studies.Biology · 2025Review
- Article
- Abscisic acid and GIGANTEA signalling converge to regulate the recruitment of CONSTANS to the FT promoter and activate floral transition.Journal of experimental botany · 2025Article
- The blue light receptor ZmFKF1a recruits ZmGI1 to the nucleus to accelerate shoot apex development and flowering in maize.The Plant cell · 2025Article
- Annual Dynamics of Endogenous Hormones Reveal the Mechanism of Off-Season Flowering in Macadamia.Plants (Basel, Switzerland) · 2025Article
- Parasitic-Plant Parasite Rewires Flowering Pathways to Induce Stem-Derived Galls.Plant direct · 2025Article
- Growth arrest is a DNA damage protection strategy in Arabidopsis.Nature communications · 2025Article
- Dual RNA-seq reveals the global transcriptome ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- Exploring the multifaceted dynamics of flowering time regulation in field crops: Insight and intervention approaches.The plant genome · 2025Review
- UV-B Irradiation Does Not Promote Flowering inPlant direct · 2025Article
- Mutations in HEADING DATE 1 affect transcription and cell wall composition in rice.Plant physiology · 2025Article
- Optimizing fitness: plastic flowering time in variable environments.Frontiers in plant science · 2025Article
- Deciphering drought-response in wheat (Frontiers in plant science · 2025Article
- Genome-wide identification and expression analysis of the PEBP gene family inFrontiers in plant science · 2025Article
- The strigolactone receptor DWARF14 regulates flowering time in Arabidopsis.The Plant cell · 2024Article
- Development and drought escape response in Arabidopsis thaliana are regulated by AtPLC1 in response to abscisic acid.Planta · 2024Article
- Unveiling the secrets of abiotic stress tolerance in plants through molecular and hormonal insights.3 Biotech · 2024Review
77 more citing papers are in PubMed but not listed here.
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4 authors.
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Abstract
Modulation of the transition to flowering plays an important role in the adaptation to drought. The drought-escape (DE) response allows plants to adaptively shorten their life cycle to make seeds before severe stress leads to death. However, the molecular basis of the DE response is unknown. A screen of different Arabidopsis (Arabidopsis thaliana) flowering time mutants under DE-triggering conditions revealed the central role of the flower-promoting gene GIGANTEA (GI) and the florigen genes FLOWERING LOCUS T (FT) and TWIN SISTER OF FT (TSF) in the DE response. Further screens showed that the phytohormone abscisic acid is required for the DE response, positively regulating flowering under long-day conditions. Drought stress promotes the transcriptional up-regulation of the florigens in an abscisic acid- and photoperiod-dependent manner, so that early flowering only occurs under long days. Along with the florigens, the floral integrator SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 is also up-regulated in a similar fashion and contributes to the activation of TSF. The DE response was recovered under short days in the absence of the floral repressor SHORT VEGETATIVE PHASE or in GI-overexpressing plants. Our data reveal a key role for GI in connecting photoperiodic cues and environmental stress independently from the central FT/TSF activator CONSTANS. This mechanism explains how environmental cues may act upon the florigen genes in a photoperiodically controlled manner, thus enabling plastic flowering responses.
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