ArticleJournal of experimental botany2020
The ferroxidase LPR5 functions in the maintenance of phosphate homeostasis and is required for normal growth and development of rice.
Article in Journal of experimental botany, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 27 citations in OpenAlex.
- Candidate genes identification for internode length in rice via genome-wide association studies.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- An intron-split microRNA mediates cleavage of the mRNA encoded by low phosphate root in Solanaceae.Planta · 2025Article
- Asymmetric mitonuclear interactions trigger transgressive inheritance and mitochondria-dependent heterosis in hybrids of the model systemIMA fungus · 2025Article
- A CYBDOM protein impacts iron homeostasis and primary root growth under phosphate deficiency in Arabidopsis.Nature communications · 2024Article
- Article
- Phenotypes and Molecular Mechanisms Underlying the Root Response to Phosphate Deprivation in Plants.International journal of molecular sciences · 2023Review
- Mutation ofInternational journal of molecular sciences · 2023Article
- Bacterial-type ferroxidase tunes iron-dependent phosphate sensing during Arabidopsis root development.Current biology : CB · 2022Article
- Research and Progress on the Mechanism of Iron Transfer and Accumulation in Rice Grains.Plants (Basel, Switzerland) · 2021Review
- Genome editing in cereal crops: an overview.Transgenic research · 2021Review
- Modification of cereal plant architecture by genome editing to improve yields.Plant cell reports · 2021Review
- NH787 EMS mutant of rice variety Nagina22 exhibits higher phosphate use efficiency.Scientific reports · 2021Article
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Authors and funding
14 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Members of the Low Phosphate Root (LPR) family have been identified in rice (Oryza sativa) and expression analyses have been conducted. Here, we investigated the functions of one of the five members in rice, LPR5. qRT-PCR and promoter-GUS reporter analyses indicated that under Pi-sufficient conditions OsLPR5 was highly expressed in the roots, and specific expression occurred in the leaf collars and nodes, and its expression was increased under Pi-deficient conditions. In vitro analysis of the purified OsLPR5 protein showed that it exhibited ferroxidase activity. Overexpression of OsLPR5 triggered higher ferroxidase activity, and elevated concentrations of Fe(III) in the xylem sap and of total Fe in the roots and shoots. Transient expression of OsLPR5 in Nicotiana benthamiana provided evidence of its subcellular localization to the cell wall and endoplasmic reticulum. Knockout mutation in OsLPR5 by means of CRISPR-Cas9 resulted in adverse effects on Pi translocation, on the relative expression of Cis-NATOsPHO1;2, and on several morphological traits, including root development and yield potential. Our results indicate that ferroxidase-dependent OsLPR5 has both a broad-spectrum influence on growth and development in rice as well as affecting a subset of physiological and molecular traits that govern Pi homeostasis.
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