ArticlePlant biotechnology journal2021
Dual function of clock component OsLHY sets critical day length for photoperiodic flowering in rice.
Article in Plant biotechnology journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed, 53 citations in OpenAlex.
- OsFTL1 integrates circadian and photoperiodic signals to optimize flowering time for ecological adaptation in rice.Plant communications · 2026Article
- Circadian- and light-regulated oscillatory expression of CSA in rice leaves is required for pollen fertility.Plant cell reports · 2026Article
- A COBRA-like protein ACL83 acts downstream of transcription factor ROC5 to control abaxial leaf curling in rice.The Plant journal : for cell and molecular biology · 2026Article
- Mineral nutrients as regulators of plant flowering time: A molecular perspective.Journal of integrative plant biology · 2026Review
- The OsLHY-OsSCL30/OsDHT1 regulatory cascade coordinates heading date and plant height through Pre-mRNA splicing modulation in rice.Journal of advanced research · 2026Article
- Far-Red Light Regulates the Circadian Rhythm Pathway to Accelerate Rice Flowering.International journal of molecular sciences · 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
- Identification of an early-heading mutant in Indonesian native rice cultivar: 'Gemdjah Beton-10'.Breeding science · 2025Article
- GhAOS integrates circadian rhythm and jasmonic acid signaling to regulate high temperature stress responses in cotton and Arabidopsis.BMC biology · 2025Article
- A NAC family geneHorticulture research · 2025Article
- Transcriptional activation and repression in the plant circadian clock: Revisiting core oscillator feedback loops and output pathways.Plant communications · 2025Review
- ELD1 mediates photoperiodic flowering via OsCCA1 alternative splicing and interacts with phytochrome signaling in rice.Nature communications · 2025Article
- Research progress and application strategies of sugar transport mechanisms in rice.Frontiers in plant science · 2024Review
- Improving rice eating and cooking quality by enhancing endogenous expression of a nitrogen-dependent floral regulator.Plant biotechnology journal · 2023Article
- Unlocking Nature's Clock: CRISPR Technology in Flowering Time Engineering.Plants (Basel, Switzerland) · 2023Review
- Article
- OsCBL1 modulates rice nitrogen use efficiency via negative regulation of OsNRT2.2 by OsCCA1.BMC plant biology · 2023Article
- The clock component OsLUX regulates rice heading through recruiting OsELF3-1 and OsELF4s to repress Hd1 and Ghd7.Journal of advanced research · 2023Article
- MATE transporter GFD1 cooperates with sugar transporters, mediates carbohydrate partitioning and controls grain-filling duration, grain size and number in rice.Plant biotechnology journal · 2023Article
- Photoperiod Genes Contribute to Daylength-Sensing and Breeding in Rice.Plants (Basel, Switzerland) · 2023Article
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Authors and funding
24 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Circadian clock, an endogenous time-setting mechanism, allows plants to adapt to unstable photoperiod conditions and induces flowering with proper timing. In Arabidopsis, the central clock oscillator was formed by a series of interlocked transcriptional feedback loops, but little is known in rice so far. By MutMap technique, we identified the candidate gene OsLHY from a later flowering mutant lem1 and further confirmed it through genetic complementation, RNA interference knockdown, and CRISPR/Cas9-knockout. Global transcriptome profiling and expression analyses revealed that OsLHY might be a vital circadian rhythm component. Interestingly, oslhy flowered later under ≥12 h day length but headed earlier under ≤11 h day length. qRT-PCR results exhibited that OsLHY might function through OsGI-Hd1 pathway. Subsequent one-hybrid assays in yeast, DNA affinity purification qPCR, and electrophoretic mobility shift assays confirmed OsLHY could directly bind to the CBS element in OsGI promoter. Moreover, the critical day length (CDL) for function reversal of OsLHY in oslhy (11-12 h) was prolonged in the double mutant oslhy osgi (about 13.5 h), indicating that the CDL set by OsLHY was OsGI dependent. Additionally, the dual function of OsLHY entirely relied on Hd1, as the double mutant oslhy hd1 showed the same heading date with hd1 under about 11.5, 13.5, and 14 h day lengths. Together, OsLHY could fine-tune the CDL by directly regulating OsGI, and Hd1 acts as the final effector of CDL downstream of OsLHY. Our study illustrates a new regulatory mechanism between the circadian clock and photoperiodic flowering.
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