ArticleJournal of experimental botany2012
Gibberellins regulate the transcription of the continuous flowering regulator, RoKSN, a rose TFL1 homologue.
Article in Journal of experimental botany, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed, 77 citations in OpenAlex.
- Physiology and Genetics of Continuous Flowering in Plants.Plant, cell & environment · 2026Review
- Morphophysiological Responses of Black Pepper to GAInternational journal of molecular sciences · 2026Article
- RcSRR1 interferes with the RcCSN5B-mediated deneddylation of RcCRL4 to modulate RcCO proteolysis and prevent rose flowering under red light.Horticulture research · 2025Article
- The Role ofPlants (Basel, Switzerland) · 2025Review
- Identification of flowering genes in Camellia perpetua by comparative transcriptome analysis.Functional & integrative genomics · 2023Article
- Characterization of VvmiR166s-Target Modules and Their Interaction Pathways in Modulation of Gibberellic-Acid-Induced Grape Seedless Berries.International journal of molecular sciences · 2023Article
- The central role of stem cells in determining plant longevity variation.Plant communications · 2023Review
- RcSPL1-RcTAF15b regulates the flowering time of rose (Horticulture research · 2023Article
- Plasticity in the Morphology of Growing Bamboo: A Bayesian Analysis of Exogenous Treatment Effects on Plant Height, Internode Length, and Internode Numbers.Plants (Basel, Switzerland) · 2023Article
- Metabolic analysis of the regulatory mechanism of sugars on secondary flowering in Magnolia.BMC molecular and cell biology · 2022Article
- Transcriptome Analysis Reveals the Role of GAInternational journal of molecular sciences · 2022Article
- Effects of gibberellins on important agronomic traits of horticultural plants.Frontiers in plant science · 2022Review
- Differentially Expressed Genes Related to Flowering Transition between Once- and Continuous-Flowering Roses.Biomolecules · 2021Article
- Expansion and expression diversity ofPlant diversity · 2021Article
- KSN heterozygosity is associated with continuous flowering of Rosa rugosa Purple branch.Horticulture research · 2021Article
- Genetic determinism of prickles in rose.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- To bloom once or more times: the reblooming mechanisms of Iris germanica revealed by transcriptome profiling.BMC genomics · 2020Article
- Alternate expression of CONSTANS-LIKE 4 in short days and CONSTANS in long days facilitates day-neutral response in Rosa chinensis.Journal of experimental botany · 2020Article
- Woodland strawberry WRKY71 acts as a promoter of flowering via a transcriptional regulatory cascade.Horticulture research · 2020Article
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8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The role of gibberellins (GAs) during floral induction has been widely studied in the annual plant Arabidopsis thaliana. Less is known about this control in perennials. It is thought that GA is a major regulator of flowering in rose. In spring, low GA content may be necessary for floral initiation. GA inhibited flowering in once-flowering roses, whereas GA did not block blooming in continuous-flowering roses. Recently, RoKSN, a homologue of TFL1, was shown to control continuous flowering. The loss of RoKSN function led to continuous flowering behaviour. The objective of this study was to understand the molecular control of flowering by GA and the involvement of RoKSN in this inhibition. In once-flowering rose, the exogenous application of GA(3) in spring inhibited floral initiation. Application of GA(3) during a short period of 1 month, corresponding to the floral transition, was sufficient to inhibit flowering. At the molecular level, RoKSN transcripts were accumulated after GA(3) treatment. In spring, this accumulation is correlated with floral inhibition. Other floral genes such as RoFT, RoSOC1, and RoAP1 were repressed in a RoKSN-dependent pathway, whereas RoLFY and RoFD repression was RoKSN independent. The RoKSN promoter contained GA-responsive cis-elements, whose deletion suppressed the response to GA in a heterologous system. In summer, once-flowering roses did not flower even after exogenous application of a GA synthesis inhibitor that failed to repress RoKSN. A model is presented for the GA inhibition of flowering in spring mediated by the induction of RoKSN. In summer, factors other than GA may control RoKSN.
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