ArticleMolecules and cells2015
Casein kinases I and 2α phosphorylate oryza sativa pseudo-response regulator 37 (OsPRR37) in photoperiodic flowering in rice.
Article in Molecules and cells, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 40 citations in OpenAlex.
- Rice OsFKF1 Promotes Degradation of OsPRR37 for Short-Day Early Flowering.Rice (New York, N.Y.) · 2025Article
- Post-Translational Modifications of TOE3 Regulate Antiviral Defense in Tobacco.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Photoperiodic flowering regulators are required for nitrogen-dependent flowering delay in rice under long-day condition.Nature communications · 2025Article
- How have breeders adapted rice flowering to the growing region?Journal of integrative plant biology · 2024Article
- Research Progress on Photoperiod Gene Regulation of Heading Date in Rice.Current issues in molecular biology · 2024Review
- A novel functional allele ofMolecular breeding : new strategies in plant improvement · 2024Article
- The Roles of theInternational journal of molecular sciences · 2023Article
- Environmental control of rice flowering time.Plant communications · 2023Review
- The Regulatory Networks of the Circadian Clock Involved in Plant Adaptation and Crop Yield.Plants (Basel, Switzerland) · 2023Review
- Phosphorylation of OsTGA5 by casein kinase II compromises its suppression of defense-related gene transcription in rice.The Plant cell · 2022Article
- Whole-Genome Sequencing Revealed a Late-Maturing Isogenic Rice Koshihikari Integrated withInternational journal of genomics · 2022Article
- Genetic basis of the early heading of high-latitude weedy rice.Frontiers in plant science · 2022Article
- Bifunctional regulators of photoperiodic flowering in short day plant rice.Frontiers in plant science · 2022Review
- Genome-Wide Identification and Characterization of PRR Gene Family and their Diurnal Rhythmic Expression Profile in Maize.International journal of genomics · 2022Article
- Transcriptional and post-transcriptional regulation of heading date in rice.The New phytologist · 2021Review
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- Highly multiplexed AmpliSeq technology identifies novel variation of flowering time-related genes in soybean (Glycine max).DNA research : an international journal for rapid publication of reports on genes and genomes · 2019Article
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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
Flowering time (or heading date) is controlled by intrinsic genetic programs in response to environmental cues, such as photoperiod and temperature. Rice, a facultative short-day (SD) plant, flowers early in SD and late in long-day (LD) conditions. Casein kinases (CKs) generally act as positive regulators in many signaling pathways in plants. In rice, Heading date 6 (Hd6) and Hd16 encode CK2α and CKI, respectively, and mainly function to delay flowering time. Additionally, the major LD-dependent floral repressors Hd2/Oryza sativa Pseudo-Response Regulator 37 (OsPRR37; hereafter PRR37) and Ghd7 also confer strong photoperiod sensitivity. In floral induction, Hd16 acts upstream of Ghd7 and CKI interacts with and phosphorylates Ghd7. In addition, Hd6 and Hd16 also act upstream of Hd2. However, whether CKI and CK2α directly regulate the function of PRR37 remains unclear. Here, we use in vitro pull-down and in vivo bimolecular fluorescence complementation assays to show that CKI and CK2α interact with PRR37. We further use in vitro kinase assays to show that CKI and CK2α phosphorylate different regions of PRR37. Our results indicate that direct posttranslational modification of PRR37 mediates the genetic interactions between these two protein kinases and PRR37. The significance of CK-mediated phosphorylation for PRR37 and Ghd7 function is discussed.
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