ArticleMolecular biology and evolution2015
Evolution of CONSTANS Regulation and Function after Gene Duplication Produced a Photoperiodic Flowering Switch in the Brassicaceae.
Article in Molecular biology and evolution, 2015. 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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31 citing papers in PubMed, 60 citations in OpenAlex.
- Genome-wide identification and characterization of the CCT gene family in Chinese cabbage (Brassica rapa) response to abiotic stress.BMC genomics · 2025Article
- Mutations in HEADING DATE 1 affect transcription and cell wall composition in rice.Plant physiology · 2025Article
- Circadian clock regulation in soybean senescence: a transcriptome analysis of early and late senescence types.BMC genomics · 2025Article
- Evolution of major flowering pathway integrators in Orchidaceae.Plant reproduction · 2024Article
- Gene complementation analysis indicates that parasitic dodder plants do not depend on the host FT protein for flowering.Plant communications · 2024Article
- Genome-Wide Identification, Expression, and Molecular Characterization of theInternational journal of molecular sciences · 2023Article
- Environmental control of rice flowering time.Plant communications · 2023Review
- Photoperiodic flowering in Arabidopsis: Multilayered regulatory mechanisms of CONSTANS and the florigen FLOWERING LOCUS T.Plant communications · 2023Review
- COL2-dependent photoperiodic floral induction inFrontiers in plant science · 2023Article
- Coenzyme BEnvironmental microbiology · 2022Article
- Genome-wide identification of the mangoFrontiers in plant science · 2022Article
- Genome-Wide Characterization and Anthocyanin-Related Expression Analysis of theFrontiers in genetics · 2022Article
- Functional homoeologous alleles of CONSTANS contribute to seasonal crop type in rapeseed.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Article
- The Response of COL and FT Homologues to Photoperiodic Regulation in Carrot (Daucus carota L.).Scientific reports · 2020Article
- Apple B-box factors regulate light-responsive anthocyanin biosynthesis genes.Scientific reports · 2019Article
- Linking Duplication of a Calcium Sensor to Salt Tolerance inPlant physiology · 2019Article
- Landscape of gene transposition-duplication within the Brassicaceae family.DNA research : an international journal for rapid publication of reports on genes and genomes · 2019Article
- The transcriptomic response to a short day to long day shift in leaves of the reference legumePeerJ · 2019Article
- Two CONSTANS-LIKE genes jointly control flowering time in beet.Scientific reports · 2018Article
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5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Environmental control of flowering allows plant reproduction to occur under optimal conditions and facilitates adaptation to different locations. At high latitude, flowering of many plants is controlled by seasonal changes in day length. The photoperiodic flowering pathway confers this response in the Brassicaceae, which colonized temperate latitudes after divergence from the Cleomaceae, their subtropical sister family. The CONSTANS (CO) transcription factor of Arabidopsis thaliana, a member of the Brassicaceae, is central to the photoperiodic flowering response and shows characteristic patterns of transcription required for day-length sensing. CO is believed to be widely conserved among flowering plants; however, we show that it arose after gene duplication at the root of the Brassicaceae followed by divergence of transcriptional regulation and protein function. CO has two close homologs, CONSTANS-LIKE1 (COL1) and COL2, which are related to CO by tandem duplication and whole-genome duplication, respectively. The single CO homolog present in the Cleomaceae shows transcriptional and functional features similar to those of COL1 and COL2, suggesting that these were ancestral. We detect cis-regulatory and codon changes characteristic of CO and use transgenic assays to demonstrate their significance in the day-length-dependent activation of the CO target gene FLOWERING LOCUS T. Thus, the function of CO as a potent photoperiodic flowering switch evolved in the Brassicaceae after gene duplication. The origin of CO may have contributed to the range expansion of the Brassicaceae and suggests that in other families CO genes involved in photoperiodic flowering arose by convergent evolution.
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