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RNA Editing in Plant Mitochondria
Abstract
Comparative sequence analysis of genomic and complementary DNA clones from several mitochondrial genes in the higher plant Oenothera revealed nucleotide sequence divergences between the genomic and the messenger RNA-derived sequences. These sequence alterations could be most easily explained by specific post-transcriptional nucleotide modifications. Most of the nucleotide exchanges in coding regions lead to altered codons in the mRNA that specify amino acids better conserved in evolution than those encoded by the genomic DNA. Several instances show that the genomic arginine codon CGG is edited in the mRNA to the tryptophan codon TGG in amino acid positions that are highly conserved as tryptophan in the homologous proteins of other species. This editing suggests that the standard genetic code is used in plant mitochondria and resolves the frequent coincidence of CGG codons and tryptophan in different plant species. The apparently frequent and non-species-specific equivalency of CGG and TGG codons in particular suggests that RNA editing is a common feature of all higher plant mitochondria.
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Cited by
RNA editing in brain controls a determinant of ion flow in glutamate-gated channels
Sommer, B., Köhler, M., Sprengel, R., & Seeburg, P. H. (1991) · Cell · doi:10.1016/0092-8674(91)90568-j · Cited by 1,517
The mitochondrial genome of Arabidopsis thaliana contains 57 genes in 366,924 nucleotides
Unseld, M., Marienfeld, J. R., Brandt, P., & Brennicke, A. (1997) · Nature Genetics · doi:10.1038/ng0197-57 · Cited by 991
Self-citationThe Endosymbiont Hypothesis Revisited
Gray, M. W. (1992) · International Review of Cytology · doi:10.1016/s0074-7696(08)62068-9 · Cited by 586
RNA Editing in Plants and Its Evolution
Takenaka, M., Zehrmann, A., Verbitskiy, D., Härtel, B., & Brennicke, A. (2013) · Annual Review of Genetics · doi:10.1146/annurev-genet-111212-133519 · Cited by 435
Self-citationPLANT MITOCHONDRIAL MUTATIONS AND MALE STERILITY
Hanson, M. R. (1991) · Annual Review of Genetics · doi:10.1146/annurev.ge.25.120191.002333 · Cited by 373
Metadata
- Authors
- Hiesel, R., Wissinger, B., Schuster, W., & Brennicke, A.
- Venue
- Science
- Published
- 1989-12-22
- Volume
- 246
- Issue
- 4937
- Pages
- 1632-1634
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2065881772
- Cited by
- 551
- References
- 0
- FWCI
- 18.10
- Type
- journal article
- Language
- en
- Open access
- closed
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