ArticlePlant physiology2010
The role of casein kinase II in flowering time regulation has diversified during evolution.
Article in Plant physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 68 papers.
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Who cites it
68 citing papers in PubMed, 132 citations in OpenAlex.
- OsFTL1 integrates circadian and photoperiodic signals to optimize flowering time for ecological adaptation in rice.Plant communications · 2026Article
- U-Shaped Response of Flowering Time to Low and High Nitrogen via a Transcription Feedback Loop in Rice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Rice OsFKF1 Promotes Degradation of OsPRR37 for Short-Day Early Flowering.Rice (New York, N.Y.) · 2025Article
- Applying gradient tree boosting to QTL mapping with Shapley additive explanations.Breeding science · 2025Article
- Photoperiodic flowering regulators are required for nitrogen-dependent flowering delay in rice under long-day condition.Nature communications · 2025Article
- B4 Raf-like MAPKKK RAF24 regulates Arabidopsis thaliana flowering time through HISTONE MONO-UBIQUITINATION 2.The New phytologist · 2025Article
- A genome-wide association study using MyanmarBreeding science · 2024Article
- Interactions between U and V sex chromosomes during the life cycle of Ectocarpus.Development (Cambridge, England) · 2024Article
- Research Progress on Photoperiod Gene Regulation of Heading Date in Rice.Current issues in molecular biology · 2024Review
- Development of SNP genotyping assays for heading date in rice.Breeding science · 2024Article
- High-throughput UAV-based rice panicle detection and genetic mapping of heading-date-related traits.Frontiers in plant science · 2024Article
- Improving rice eating and cooking quality by enhancing endogenous expression of a nitrogen-dependent floral regulator.Plant biotechnology journal · 2023Article
- Genome architecture and diverged selection shaping pattern of genomic differentiation in wild barley.Plant biotechnology journal · 2023Article
- Altered regulation of flowering expands growth ranges and maximizes yields in major crops.Frontiers in plant science · 2023Review
- High-Throughput Sequencing Reveals Novel microRNAs Involved in the Continuous Flowering Trait of Longan (International journal of molecular sciences · 2022Article
- The rice transcription factor Nhd1 regulates root growth and nitrogen uptake by activating nitrogen transporters.Plant physiology · 2022Article
- Bifunctional regulators of photoperiodic flowering in short day plant rice.Frontiers in plant science · 2022Review
- Dual function of clock component OsLHY sets critical day length for photoperiodic flowering in rice.Plant biotechnology journal · 2021Article
- Natural variation and artificial selection of photoperiodic flowering genes and their applications in crop adaptation.aBIOTECH · 2021Review
- Transcriptional and post-transcriptional regulation of heading date in rice.The New phytologist · 2021Review
8 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Casein kinase II (CK2) is a protein kinase with an evolutionarily conserved function as a circadian clock component in several organisms, including the long-day plant Arabidopsis (Arabidopsis thaliana). The circadian clock component CIRCADIAN CLOCK ASSOCIATED1 (CCA1) is a CK2 target in Arabidopsis, where it influences photoperiodic flowering. In rice (Oryza sativa), a short-day plant, Heading date6 (Hd6) encodes a CK2alpha subunit that delays flowering time under long-day conditions. Here, we demonstrate that control of flowering time in rice by the Hd6 CK2alpha subunit requires a functional Hd1 gene (an Arabidopsis CONSTANS ortholog) and is independent of the circadian clock mechanism. Our findings from overexpressing the dominant-negative CK2 allele in rice support the independence of CK2 function from the circadian clock. This lack of control of the circadian clock by Hd6 CK2alpha might be due to the presence of glutamate in OsLHY (a CCA1 ortholog in rice) instead of the serine at the corresponding CK2 target site in CCA1. However, this glutamate is critical for the control of the OsPRR1 gene (a rice ortholog of the Arabidopsis TOC1/PRR1 gene) by OsLHY for regulation of the circadian clock. We also demonstrated that the other conserved CK2 target sites in OsLHY conferred robust rhythmic expression of OsLHY-LUC under diurnal conditions. These findings imply that the role of CK2 in flowering-time regulation in higher plants has diversified during evolution.
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