Natural Variation in Arabidopsis Leads to the Identification of REME1, a Pentatricopeptide Repeat-DYW Protein Controlling the Editing of Mitochondrial Transcripts
نویسندگان
چکیده
منابع مشابه
Natural variation in Arabidopsis leads to the identification of REME1, a pentatricopeptide repeat-DYW protein controlling the editing of mitochondrial transcripts.
In vascular plants, organelle RNAs are edited by C-to-U base modification. Hundreds of mitochondrial C residues are targeted for editing in flowering plants. In this study, we exploited naturally occurring variation in editing extent to identify Required for Efficiency of Mitochondrial Editing1 (REME1), an Arabidopsis (Arabidopsis thaliana) pentatricopeptide repeat protein-encoding gene belongi...
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15 صفحه اولA DYW domain-containing pentatricopeptide repeat protein is required for RNA editing at multiple sites in mitochondria of Arabidopsis thaliana.
RNA editing in flowering plant mitochondria alters 400 to 500 nucleotides from C to U, changing the information content of most mRNAs and some tRNAs. So far, none of the specific or general factors responsible for RNA editing in plant mitochondria have been identified. Here, we characterize a nuclear-encoded gene that is involved in RNA editing of three specific sites in different mitochondrial...
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15 صفحه اولRice OGR1 encodes a pentatricopeptide repeat-DYW protein and is essential for RNA editing in mitochondria.
RNA editing is the alteration of RNA sequences via insertion, deletion and conversion of nucleotides. In flowering plants, specific cytidine residues of RNA transcribed from organellar genomes are converted into uridines. Approximately 35 editing sites are present in the chloroplasts of higher plants; six pentatricopeptide repeat genes involved in RNA editing have been identified in Arabidopsis...
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ژورنال
عنوان ژورنال: Plant Physiology
سال: 2010
ISSN: 1532-2548
DOI: 10.1104/pp.110.165969