ArticleJournal of experimental botany2017
Rice Phytochrome-Interacting Factor-Like1 (OsPIL1) is involved in the promotion of chlorophyll biosynthesis through feed-forward regulatory loops.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.
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27 citing papers in PubMed, 1 synthesis or guideline pooled it, 68 citations in OpenAlex.
- A Comparative Transcriptomic Meta-Analysis Revealed Conserved Key Genes and Regulatory Networks Involved in Drought Tolerance in Cereal Crops.International journal of molecular sciences · 2021Pooled it
- Phytochrome-interacting factors integrate environmental signals to regulate tomato growth and development.Plant physiology · 2026Article
- An OsGLK1/2-DGP1/2/3 feedback module regulates rice photosynthesis and yield.Science advances · 2026Article
- The bHLH transcription factor PIL1 orchestrates starch synthesis in key cereal crops.Nature communications · 2025Article
- Altered chromatin accessibility in light and hormone responses of rice seedlings.Plant physiology · 2025Article
- Comprehensive Identification of Key Genes Responsible for Leaf Senescence of Rice (Plants (Basel, Switzerland) · 2025Article
- SunflowerBiology · 2025Article
- Complex Signaling Networks Underlying Blue-Light-Mediated Floral Transition in Plants.Plants (Basel, Switzerland) · 2025Review
- Article
- The phytochrome-interacting factor genes PIF1 and PIF4 are functionally diversified due to divergence of promoters and proteins.The Plant cell · 2024Article
- YGL3 Encoding an IPP and DMAPP Synthase Interacts with OsPIL11 to Regulate Chloroplast Development in Rice.Rice (New York, N.Y.) · 2024Article
- Rice PIFs: Critical regulators in rice development and stress response.Plant molecular biology · 2024Review
- Genome-wide identification and comprehensive analysis of the phytochrome-interacting factor (PIF) gene family in wheat.PloS one · 2024Article
- The pleiotropic functions of GOLDEN2-LIKE transcription factors in plants.Frontiers in plant science · 2024Review
- Maize Golden2-like transcription factors boost rice chloroplast development, photosynthesis, and grain yield.Plant physiology · 2022Article
- Transcriptome-Wide Characterization of Alkaloids and Chlorophyll Biosynthesis in Lotus Plumule.Frontiers in plant science · 2022Article
- Identification of GOLDEN2-like transcription factor genes in soybeans and their role in regulating plant development and metal ion stresses.Frontiers in plant science · 2022Article
- Identification, Molecular Characteristic, and Expression Analysis of PIFs Related to Chlorophyll Metabolism in Tea Plant (International journal of molecular sciences · 2021Article
- Current Understanding of Leaf Senescence in Rice.International journal of molecular sciences · 2021Review
- Light-Mediated Regulation of Leaf Senescence.International journal of molecular sciences · 2021Review
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In phototrophic plants, the highly conserved and tightly regulated process of chlorophyll (Chl) biosynthesis comprises multi-step reactions involving more than 15 enzymes. Since the efficiency of Chl biosynthesis strongly affects plant productivity, understanding the underlying regulatory mechanisms in crop plants can be useful for strategies to increase grain and biomass yields. Here, we show that rice (Oryza sativa) Phytochrome-Interacting Factor-Like1 (OsPIL1), a basic helix-loop-helix transcription factor, promotes Chl biosynthesis. The T-DNA insertion knockdown ospil1 mutant showed a pale-green phenotype when grown in a natural paddy field. Transcriptome analysis revealed that several genes responsible for Chl biosynthesis and photosynthesis were significantly down-regulated in ospil1 leaves. Using promoter binding and transactivation assays, we found that OsPIL1 binds to the promoters of two Chl biosynthetic genes, OsPORB and OsCAO1, and promotes their transcription. In addition, OsPIL1 directly up-regulates the expression of two transcription factor genes, GOLDEN2-LIKE1 (OsGLK1) and OsGLK2. OsGLK1 and OsGLK2 both bind to the promoters of OsPORB and OsCAO1, as well as some of genes encoding the light-harvesting complex of photosystems, probably promoting their transcription. Thus, OsPIL1 is involved in the promotion of Chl biosynthesis by up-regulating the transcription of OsPORB and OsCAO1 via trifurcate feed-forward regulatory loops involving two OsGLKs.
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