ArticleProceedings of the National Academy of Sciences of the United States of America2004
PLASTOCHRON1, a timekeeper of leaf initiation in rice, encodes cytochrome P450.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 74 papers.
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74 citing papers in PubMed, 185 citations in OpenAlex.
- Multimodal single cell analysis reveals a link between flowering and leaf initiation.bioRxiv : the preprint server for biology · 2026Article
- Unlocking grass leaf development: foundations for tunable cereal design.The New phytologist · 2025Review
- Genetic Analyses, BSA-Seq, and Transcriptome Analyses Reveal Candidate Genes Controlling Leaf Plastochron in Rapeseed (Plants (Basel, Switzerland) · 2025Article
- Gibberellins: extending the Green Revolution.Journal of experimental botany · 2025Review
- Genetic dissection of flag leaf morphology traits and fine mapping of a novel QTL (Qflw.sxau-6BL) in bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- MADS-box encoding gene Tunicate1 positively controls maize yield by increasing leaf number above the ear.Nature communications · 2024Article
- Potential Involvement ofGenes · 2024Article
- The Function of Florigen in the Vegetative-to-Reproductive Phase Transition in and around the Shoot Apical Meristem.Plant & cell physiology · 2024Review
- Advancements in Rice Leaf Development Research.Plants (Basel, Switzerland) · 2024Review
- Population-aware permutation-based significance thresholds for genome-wide association studies.Bioinformatics advances · 2024Article
- Comparative transcriptome analysis reveals candidate genes for cold stress response and early flowering in pineapple.Scientific reports · 2023Article
- Differences in temperature responses among phenological processes in diverse Ethiopian sorghum germplasm can affect their specific adaptation to environmental conditions.Annals of botany · 2023Article
- OsbHLH067, OsbHLH068, and OsbHLH069 redundantly regulate inflorescence axillary meristem formation in rice.PLoS genetics · 2023Article
- Characterization of a barley (Frontiers in plant science · 2023Article
- Transcriptional responses to gibberellin in the maize tassel and control by DELLA domain proteins.The Plant journal : for cell and molecular biology · 2022Article
- Rice (Oryza sativa L.) cytochrome P450 protein 716A subfamily CYP716A16 regulates disease resistance.BMC genomics · 2022Article
- Article
- Regulation of the plastochron by three many-noded dwarf genes in barley.PLoS genetics · 2021Article
- Phyllotaxis: from classical knowledge to molecular genetics.Journal of plant research · 2021Review
- Multi-omics approach reveals the contribution of KLU to leaf longevity and drought tolerance.Plant physiology · 2021Article
14 more citing papers are in PubMed but not listed here.
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7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During postembryonic development of higher plants, the shoot apical meristem produces lateral organs in a regular spacing (phyllotaxy) and a regular timing (plastochron). Molecular analysis of mutants associated with phyllotaxy and plastochron would greatly increase understanding of the developmental mechanism of plant architecture because phyllotaxy and plastochron are fundamental regulators of plant architecture. pla1 of rice is not only a plastochron mutant showing rapid leaf initiation without affecting phyllotaxy, but also a heterochronic mutant showing ectopic shoot formation in the reproductive phase. Thus, pla1 provides a tool for analyzing the molecular basis of temporal regulation in leaf development. In this work, we isolated the PLA1 gene by map-based cloning. The identified PLA1 gene encodes a cytochrome P450, CYP78A11, which potentially catalyzes substances controlling plant development. PLA1 is expressed in developing leaf primordia, bracts of the panicle, and elongating internodes, but not in the shoot apical meristem. The expression pattern and mutant phenotype suggest that the PLA1 gene acting in developing leaf primordia affects the timing of successive leaf initiation and the termination of vegetative growth.
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