ArticlePlant molecular biology2016
A CONSTANS-like transcriptional activator, OsCOL13, functions as a negative regulator of flowering downstream of OsphyB and upstream of Ehd1 in rice.
Article in Plant molecular biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 105 citations in OpenAlex.
- Multifaceted roles of BBX transcription factors: impacts on key agronomical traits and environmental resilience.The New phytologist · 2026Review
- Genome-wide identification and expression analysis of the CCT gene family reveals its function in regulating heading date in proso millet (Frontiers in plant science · 2026Article
- CHIP-seq and transcriptomics reveal a new role of circadian-regulated StBBX24 protein in potato reproduction.BMC plant biology · 2025Article
- CONSTANS-like 13 homologs MiCOL13 A and MiCOL13B orchestrate flowering time and salt-drought tolerance in mango.Planta · 2025Article
- OsBBX2 Delays Flowering by RepressingPlants (Basel, Switzerland) · 2024Article
- Research Progress on Photoperiod Gene Regulation of Heading Date in Rice.Current issues in molecular biology · 2024Review
- OsCOL5 suppresses heading through modulation of Ghd7 and Ehd2, enhancing rice yield.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Genomic insights into the origin and evolution of spelt (Triticum spelta L.) as a valuable gene pool for modern wheat breeding.Plant communications · 2024Article
- QTL-seq analysis identified the genomic regions of plant height and days to heading in high-latitude rice.Frontiers in genetics · 2024Article
- Involvement of CONSTANS-like Proteins in Plant Flowering and Abiotic Stress Response.International journal of molecular sciences · 2023Review
- Article
- Multi-layered roles of BBX proteins in plant growth and development.Stress biology · 2023Review
- Comparative genomics of flowering behavior inFrontiers in plant science · 2023Article
- SlBBX28 positively regulates plant growth and flower number in an auxin-mediated manner in tomato.Plant molecular biology · 2022Article
- The tomato CONSTANS-LIKE protein SlCOL1 regulates fruit yield by repressing SFT gene expression.BMC plant biology · 2022Article
- Genetic and molecular factors in determining grain number per panicle of rice.Frontiers in plant science · 2022Review
- OsVQ1 links rice immunity and flowering via interaction with a mitogen-activated protein kinase OsMPK6.Plant cell reports · 2021Article
- Genome-Wide Identification and Expression Analysis ofInternational journal of molecular sciences · 2021Article
- Transcriptional and post-transcriptional regulation of heading date in rice.The New phytologist · 2021Review
- Genome-wide identification, expression, and sequence analysis of CONSTANS-like gene family in cannabis reveals a potential role in plant flowering time regulation.BMC plant biology · 2021Article
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Authors and funding
17 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Flowering time determines the adaptability of crop plants to different local environments, thus being one of the most important agronomic traits targeted in breeding programs. Photoperiod is one of the key factors that control flowering in plant. A number of genes that participate in the photoperiod pathway have been characterized in long-day plants such as Arabidopsis, as well as in short-day plants such as Oryza sativa. Of those, CONSTANS (CO) as a floral integrator promotes flowering in Arabidopsis under long day conditions. In rice, Heading date1 (Hd1), a homologue of CO, functions in an opposite way, which inhibits flowering under long day conditions and induces flowering under short day conditions. Here, we show that another CONSTANS-like (COL) gene, OsCOL13, negatively regulates flowering in rice under both long and short day conditions. Overexpression of OsCOL13 delays flowering regardless of day length. We also demonstrated that OsCOL13 has a constitutive and rhythmic expression pattern, and that OsCOL13 is localized to the nucleus. OsCOL13 displays transcriptional activation activity in the yeast assays and likely forms homodimers in vivo. OsCOL13 suppresses the florigen genes Hd3a and RFT1 by repressing Ehd1, but has no relationship with other known Ehd1 regulators as determined by using mutants or near isogenic lines. In addition, the transcriptional level of OsCOL13 significantly decreased in the osphyb mutant, but remained unchanged in the osphya and osphyc mutants. Thus, we conclude that OsCOL13 functions as a negative regulator downstream of OsphyB and upstream of Ehd1 in the photoperiodic flowering in rice.
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