ArticleJournal of experimental botany2016
ABA-dependent control of GIGANTEA signalling enables drought escape via up-regulation of FLOWERING LOCUS T in Arabidopsis thaliana.
Article in Journal of experimental botany, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 91 papers.
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91 citing papers in PubMed, 218 citations in OpenAlex.
- Uncovering the role of ABI2 as a key regulator of flowering time in Arabidopsis.Plant signaling & behavior · 2026Article
- Natural variation inScience advances · 2026Article
- Molecular Crosstalk Between Flowering Time and Drought Adaptation in Cereal Crops.Plants (Basel, Switzerland) · 2026Review
- MiABI5-like7-Horticulture research · 2026Article
- On growth and flow: hydraulic aspects of aboveground meristems.The New phytologist · 2026Review
- Effects of Light Quality on Flowering and Physiological Parameters ofPlants (Basel, Switzerland) · 2025Article
- Adjustments of plant primary metabolism in the face of climate change.Journal of experimental botany · 2025Review
- Basal axillary buds in pea are hydraulically connected to the stem but are protected during drought by osmotic adjustment.The New phytologist · 2025Article
- 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
- Transcriptome and Endogenous Hormones Reveal the Regulatory Mechanism of Flower Development inPlants (Basel, Switzerland) · 2025Article
- Genome-wide identification and characterization of the CCT gene family in Chinese cabbage (Brassica rapa) response to abiotic stress.BMC genomics · 2025Article
- TANDEM ZINC-FINGER/PLUS3 integrates light signaling and flowering regulatory pathways at the chromatin level.The New phytologist · 2025Article
- Dual RNA-seq reveals the global transcriptome ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2025Article
- The BBX family and their response to abiotic stress in ginger (Zingiber officinale Roscoe).BMC genomics · 2025Article
- Mutations in HEADING DATE 1 affect transcription and cell wall composition in rice.Plant physiology · 2025Article
- Genome-wide identification and expression analysis of the PEBP gene family inFrontiers in plant science · 2025Article
- Optimizing fitness: plastic flowering time in variable environments.Frontiers in plant science · 2025Article
- The strigolactone receptor DWARF14 regulates flowering time in Arabidopsis.The Plant cell · 2024Article
- Genome-Wide Identification, Characterization and Expression Patterns of the DBB Transcription Factor Family Genes in Wheat.International journal of molecular sciences · 2024Article
31 more citing papers are in PubMed but not listed here.
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5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
One strategy deployed by plants to endure water scarcity is to accelerate the transition to flowering adaptively via the drought escape (DE) response. In Arabidopsis thaliana, activation of the DE response requires the photoperiodic response gene GIGANTEA (GI) and the florigen genes FLOWERING LOCUS T (FT) and TWIN SISTER OF FT (TSF). The phytohormone abscisic acid (ABA) is also required for the DE response, by promoting the transcriptional up-regulation of the florigen genes. The mode of interaction between ABA and the photoperiodic genes remains obscure. In this work we use a genetic approach to demonstrate that ABA modulates GI signalling and consequently its ability to activate the florigen genes. We also reveal that the ABA-dependent activation of FT, but not TSF, requires CONSTANS (CO) and that impairing ABA signalling dramatically reduces the expression of florigen genes with little effect on the CO transcript profile. ABA signalling thus has an impact on the core genes of photoperiodic signalling GI and CO by modulating their downstream function and/or activities rather than their transcript accumulation. In addition, we show that as well as promoting flowering, ABA simultaneously represses flowering, independent of the florigen genes. Genetic analysis indicates that the target of the repressive function of ABA is the flowering-promoting gene SUPPRESSOR OF OVEREXPRESSION OF CONSTANS1 (SOC1), a transcription factor integrating floral cues in the shoot meristem. Our study suggests that variations in ABA signalling provide different developmental information that allows plants to co-ordinate the onset of the reproductive phase according to the available water resources.
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