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Codon recognition rules in yeast mitochondria.
Open accessAbstract
The mitochondrial genome of Saccharomyces cerevisiae codes for 24 tRNAs. The nucleotide sequences of the tRNA genes suggest a unique set of rules that govern the decoding of the mitochondrial genetic code. The four codons of unmixed fmilies are recognized by single tRNAs that always have a U in the wobble position of the anticodon. The codons of the mixed families are read by two different tRNAs. Codons terminating in a C or U are recognized by tRNAs with a G and codons terminating in a G or A are recognized by tRNAs with a U in the corresponding positions of the anticodons. There are two exceptions to these rules. In the AUN family for isoleucine and methionine, the isoleucine tRNA has a G and the methionine tRNA has a C in the wobble position. The tRNA for the arginine CGN family also has an A in the wobble position of the anticodon. It is of interest that the CGN codons have not been found in the mitochondrial genes sequenced to date. The simplified decoding system of yeast mitochondria allows all the codons to be recognized by only 24 tRNAs.
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Cited by
The mitochondrial genome: structure, transcription, translation and replication
Taanman, J.-W. (1999) · Biochimica et Biophysica Acta (BBA) - Bioenergetics · doi:10.1016/s0005-2728(98)00161-3 · Cited by 1,635
The Endosymbiont Hypothesis Revisited
Gray, M. W. (1992) · International Review of Cytology · doi:10.1016/s0074-7696(08)62068-9 · Cited by 586
Algorithm for optimized mRNA design improves stability and immunogenicity
Zhang, H., Zhang, L., Lin, A., Xu, C., Li, Z., Liu, K., Liu, B., Ma, X., Zhao, F., Jiang, H., et al. (2023) · Nature · doi:10.1038/s41586-023-06127-z · Cited by 531
An integrated, structure- and energy-based view of the genetic code
Grosjean, H., & Westhof, E. (2016) · Nucleic Acids Research · doi:10.1093/nar/gkw608 · Cited by 278
Gearing, D. P., & Nagley, P. (1986) · The EMBO Journal · doi:10.1002/j.1460-2075.1986.tb04695.x · Cited by 57
Metadata
- Authors
- Bonitz, S. G., Berlani, R., Coruzzi, G., Li, M., Macino, G., Nobrega, F. G., Nobrega, M. P., Thalenfeld, B. E., & Tzagoloff, A.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1980-06
- Volume
- 77
- Issue
- 6
- Pages
- 3167-3170
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2017184871
- Cited by
- 288
- References
- 0
- FWCI
- 13.94
- Type
- journal article
- Language
- en
- Open access
- green
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- Bonitz, S. G., Berlani, R., Coruzzi, G., Li, M., Macino, G., Nobrega, F. G., Nobrega, M. P., Thalenfeld, B. E., & Tzagoloff, A. (1980). Codon recognition rules in yeast mitochondria. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.77.6.3167
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