ArticlePlant molecular biology2007
Biochemical properties of a plastidial DNA polymerase of rice.
Article in Plant molecular biology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 42 citations in OpenAlex.
- Translesion DNA synthesis on pyrimidine dimers by plant organellar DNA polymerases is metal-dependent.Nucleic acids research · 2026Article
- Transcriptional Profiling Reveals the Wheat Defences against Fusarium Head Blight Disease Regulated by a NAC Transcription Factor.Plants (Basel, Switzerland) · 2023Article
- Molecular and biochemical characterization of rice developed through conventional integration of nDart1-0 transposon gene.Scientific reports · 2023Article
- RiceBiology · 2022Article
- An Insight Into the Mechanism of Plant Organelle Genome Maintenance and Implications of Organelle Genome in Crop Improvement: An Update.Frontiers in cell and developmental biology · 2021Review
- Construction of a highly error-prone DNA polymerase for developing organelle mutation systems.Nucleic acids research · 2020Article
- Review
- DNA Repair and the Stability of the Plant Mitochondrial Genome.International journal of molecular sciences · 2020Review
- Structure-Function Analysis Reveals the Singularity of Plant Mitochondrial DNA Replication Components: A Mosaic and Redundant System.Plants (Basel, Switzerland) · 2019Review
- RiceThe plant genome · 2018Article
- RiceG3 (Bethesda, Md.) · 2018Article
- Plant organellar DNA polymerases are replicative and translesion DNA synthesis polymerases.Nucleic acids research · 2017Article
- The Rice Pentatricopeptide Repeat Gene TCD10 is Needed for Chloroplast Development under Cold Stress.Rice (New York, N.Y.) · 2016Article
- The Rice TCM5 Gene Encoding a Novel Deg Protease Protein is Essential for Chloroplast Development under High Temperatures.Rice (New York, N.Y.) · 2016Article
- Combined Chlorophyll Fluorescence and Transcriptomic Analysis Identifies the P3/P4 Transition as a Key Stage in Rice Leaf Photosynthetic Development.Plant physiology · 2016Article
- The rice ALS3 encoding a novel pentatricopeptide repeat protein is required for chloroplast development and seedling growth.Rice (New York, N.Y.) · 2015Article
- The rice OsDG2 encoding a glycine-rich protein is involved in the regulation of chloroplast development during early seedling stage.Plant cell reports · 2014Article
- Localization and phylogenetic analysis of enzymes related to organellar genome replication in the unicellular rhodophyte Cyanidioschyzon merolae.Genome biology and evolution · 2014Article
- Enzymes involved in organellar DNA replication in photosynthetic eukaryotes.Frontiers in plant science · 2014Review
- Disruption of the rice plastid ribosomal protein s20 leads to chloroplast developmental defects and seedling lethality.G3 (Bethesda, Md.) · 2013Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plastids are organelles unique to plant cells and are responsible for photosynthesis and other metabolic functions. Despite their important cellular roles, relatively little is known about the mechanism of plastidial DNA replication and repair. Recently, we identified a novel DNA polymerase in Oryza Sativa L. (OsPOLP1, formerly termed OsPolI-like) that is homologous to prokaryotic DNA polymerase Is (PolIs), and suggested that this polymerase might be involved in plastidial DNA replication and repair. Here, we propose to rename the plant PolI homologs as DNA polymerase pi (POLP), and investigate the biochemical properties of full-length OsPOLP1. The purified OsPOLP1 elongated both DNA and RNA primer hybridized to a DNA template, and possessed a 3' exonuclease activity. Moreover, OsPOLP1 displayed high processivity and fidelity, indicating that this polymerase has the biochemical characteristics appropriate for DNA replication. We found that POLPs have two extra sequences in the polymerase domain that are absent in prokaryotic PolIs. Deletion of either insert from OsPOLP1 caused a decrease in DNA synthetic activity, processivity, and DNA binding activity. In addition, OsPOLP1 efficiently catalyzed strand displacement on nicked DNA with a 5'-deoxyribose phosphate, suggesting that this enzyme might be involved in a repair pathway similar to long-patch base excision repair. These results provide insights into the possible role of POLPs in plastidial DNA replication and repair.
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