ArticlePlant physiology2024
Carbon and nitrogen signaling regulate FLOWERING LOCUS C and impact flowering time in Arabidopsis.
Article in Plant physiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Mineral nutrients as regulators of plant flowering time: A molecular perspective.Journal of integrative plant biology · 2026Review
- MaizePlants (Basel, Switzerland) · 2026Article
- The trehalose 6-phosphate pathway coordinates dynamic changes at the shoot apical meristem in Arabidopsis thaliana.Plant physiology · 2025Article
- Research on nutritional differences among different types of buds in Xanthoceras sorbifolium Bunge.Scientific reports · 2025Article
- Mutations in the floral regulator gene HUA2 restore flowering to the Arabidopsis trehalose 6-phosphate synthase1 (tps1) mutant.Plant physiology · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
The timing of flowering in plants is modulated by both carbon (C) and nitrogen (N) signaling pathways. In a previous study, we established a pivotal role of the sucrose-signaling trehalose 6-phosphate pathway in regulating flowering under N-limited short-day conditions. In this work, we show that both wild-type Arabidopsis (Arabidopsis thaliana) plants grown under N-limited conditions and knock-down plants of TREHALOSE PHOSPHATE SYNTHASE 1 induce FLOWERING LOCUS C (FLC) expression, a well-known floral repressor associated with vernalization. When exposed to an extended period of cold, a flc mutant fails to respond to N availability and flowers at the same time under N-limited and full-nutrition conditions. Our data suggest that SUCROSE NON-FERMENTING 1 RELATED KINASE 1-dependent trehalose 6-phosphate-mediated C signaling and a mechanism downstream of N signaling (likely involving NIN-LIKE PROTEIN 7) impact the expression of FLC. Collectively, our data underscore the existence of a multi-factor regulatory system in which the C and N signaling pathways jointly govern the regulation of flowering in plants.
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Registered trials
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