Comparasion of RNA Editing in Plant Mitochondria and Chloroplasts

Abstract

Abstract: In plants, the process of RNA editing occurs in organelles chloroplasts and mitochondria. In this work, we analyzed the 4 892 mitochondrial RNA editing sites and 1 228 chloroplastic RNA editing sites of non-vascular and vascular land plants in features of（1）the probabilities of amino acid transitions, （2）the probabilities of codon transitions, （3）the probabilities of positions of editing site occurring in the codon, （4）the probabilities of the occurrence of four bases at the minus 1 position near the RNA editing site, and（5）the probabilities of the occurrence of four bases at the plus 1 position near the RNA editing site. We find that in eudicot, the probabilities of amino acid transitions and the probabilities of codon transitions are both significantly different between mitochondrial and chloroplast RNA editing.

Key words: Non-vascular land plants, Vascular land plants, Mitochondrion, Chloroplast, RNA editing

Wan Ping. Comparasion of RNA Editing in Plant Mitochondria and Chloroplasts [J]. Biotechnology Bulletin, 2013, 0(3): 90-95.

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