The process of RNA editing in plant mitochondria

RNA editing changes more than 400 cytidines to uridines in the mRNAs of mitochondria in flowering plants. In other plants such as ferns and mosses, RNA editing reactions changing C to U and U to C are observed at almost equal frequencies. Development of transfection systems with isolated mitochondri...

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Bibliographic Details
Published in:Mitochondrion 2008-01, Vol.8 (1), p.35-46
Main Authors: Takenaka, Mizuki, Verbitskiy, Daniil, van der Merwe, Johannes A, Zehrmann, Anja, Brennicke, Axel
Format: Article
Language:English
Subjects:
Brassica - genetics
Carbon-Nitrogen Ligases - physiology
Cytidine Deaminase - physiology
Deamination
Evolution, Molecular
Gene Expression Regulation, Plant
Genome, Mitochondrial - physiology
Genome, Plant - physiology
Mitochondria - genetics
Pisum sativum - genetics
Plants - genetics
RNA Editing - physiology
RNA Helicases - physiology
Transaminases - physiology
Triticum - genetics
Zea mays - genetics
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Summary:RNA editing changes more than 400 cytidines to uridines in the mRNAs of mitochondria in flowering plants. In other plants such as ferns and mosses, RNA editing reactions changing C to U and U to C are observed at almost equal frequencies. Development of transfection systems with isolated mitochondria and of in vitro systems with extracts from mitochondria has considerably improved our understanding of the recognition of specific editing sites in the last few years. These assays have also yielded information about the biochemical parameters, but the enzymes involved have not yet been identified. Here we summarize our present understanding of the process of RNA editing in flowering plant mitochondria.
ISSN:1567-7249
DOI:10.1016/j.mito.2007.09.004