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PMID: 8980487 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Review

RNA editing in plant mitochondria and chloroplasts.

Plant molecular biology ·Vol. 32 ·No. 1-2 ·1996-10-00 ·Pages 343-65

Maier RM, Zeltz P, Kössel H, Bonnard G, Gualberto JM, Grienenberger JM

Abstract

In the mitochondria and chloroplasts of higher plants there is an RNA editing activity responsible for specific C-to-U conversions and for a few U-to-C conversions leading to RNA sequences different from the corresponding DNA sequences. RNA editing is a post-transcriptional process which essentially affects the transcripts of protein coding genes, but has also been found to modify non-coding transcribed regions, structural RNAs and intron sequences. RNA editing is essential for correct gene expression: proteins translated from edited transcripts are different from the ones deduced from the genes sequences and usually present higher similarity to the corresponding non-plant homologues. Initiation and stop codons can also be created by RNA editing. RNA editing has also been shown to be required for the stabilization of the secondary structure of introns and tRNAs. The biochemistry of RNA editing in plant organelles is still largely unknown. In mitochondria, recent experiments indicate that RNA editing may be a deamination process. A plastid transformation technique showed to be a powerful tool for the study of RNA editing. The biochemistry as well as the evolutionary features of RNA editing in both organelles are compared in order to identify common as well as organelle-specific components.

MeSH Terms
Amino Acid Sequence Base Sequence Chloroplasts/metabolism DNA, Plant Mitochondria/metabolism Molecular Sequence Data Plants/genetics RNA Editing Sequence Alignment
Chemicals
DNA, Plant
Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Maier R M
Institut für Biologie III, Universität Freiburg, Germany.
Zeltz P
Kössel H
Bonnard G
Gualberto J M
Grienenberger J M
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Article Info
Journal
Plant molecular biology
Abbr.
Plant Mol Biol
ISSN
0167-4412
DOI
10.1007/BF00039390
Published
1996-10-00
Pages
343-65
Language
English
Region
Netherlands
NLM ID
9106343
Subset
IM
External Links
PubMed source DOI: 10.1007/BF00039390 View journal details
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