The strange evolutionary history of plant mitochondrial tRNAs and their aminoacyl-tRNA synthetases

I. Small; K. Akashi; A. Chapron; A. Dietrich; A. M. Duchêne; D. Lancelin; L. Maréchal-Drouard; B. Menand; H. Mireau; Y. Moudden; J. Ovesna; N. Peeters; W. Sakamoto; G. Souciet; H. Wintz

doi:10.1093/jhered/90.3.333

The strange evolutionary history of plant mitochondrial tRNAs and their aminoacyl-tRNA synthetases

I. Small, K. Akashi, A. Chapron, A. Dietrich, A. M. Duchêne, D. Lancelin, L. Maréchal-Drouard, B. Menand, H. Mireau, Y. Moudden, J. Ovesna, N. Peeters, W. Sakamoto, G. Souciet, H. Wintz

Institute of Plant Science and Resources

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The translation systems of plant mitochondria differ from those of other mitochondria in that they incorporate tRNAs of three different origins: native mitochondrial tRNAs, plastid tRNAs transcribed from plastid DNA insertions in mitochondrial DNA, and nuclearly encoded imported tRNAs. The complicated evolutionary history of the tRNA replacement events leading up to this situation is slowly being unraveled. Recent research on plant aminoacyl- tRNA synthetases is starting to reveal how the mitochondrial compartment can cope with this unusual mix of tRNAs and has uncovered an unprecedented degree of sharing of isoforms between compartments. Many plant aminoacyl-tRNA synthetases are dual targeted to two compartments, either cytosol/mitochondria or plastids/mitochondria. The molecular basis for some of these cases of dual targeting are described.

Original language	English
Pages (from-to)	333-337
Number of pages	5
Journal	Journal of Heredity
Volume	90
Issue number	3
DOIs	https://doi.org/10.1093/jhered/90.3.333
Publication status	Published - May 1999

ASJC Scopus subject areas

Biotechnology
Molecular Biology
Genetics
Genetics(clinical)

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Small, I., Akashi, K., Chapron, A., Dietrich, A., Duchêne, A. M., Lancelin, D., Maréchal-Drouard, L., Menand, B., Mireau, H., Moudden, Y., Ovesna, J., Peeters, N., Sakamoto, W., Souciet, G., & Wintz, H. (1999). The strange evolutionary history of plant mitochondrial tRNAs and their aminoacyl-tRNA synthetases. Journal of Heredity, 90(3), 333-337. https://doi.org/10.1093/jhered/90.3.333

Small, I, Akashi, K, Chapron, A, Dietrich, A, Duchêne, AM, Lancelin, D, Maréchal-Drouard, L, Menand, B, Mireau, H, Moudden, Y, Ovesna, J, Peeters, N, Sakamoto, W, Souciet, G & Wintz, H 1999, 'The strange evolutionary history of plant mitochondrial tRNAs and their aminoacyl-tRNA synthetases', Journal of Heredity, vol. 90, no. 3, pp. 333-337. https://doi.org/10.1093/jhered/90.3.333

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abstract = "The translation systems of plant mitochondria differ from those of other mitochondria in that they incorporate tRNAs of three different origins: native mitochondrial tRNAs, plastid tRNAs transcribed from plastid DNA insertions in mitochondrial DNA, and nuclearly encoded imported tRNAs. The complicated evolutionary history of the tRNA replacement events leading up to this situation is slowly being unraveled. Recent research on plant aminoacyl- tRNA synthetases is starting to reveal how the mitochondrial compartment can cope with this unusual mix of tRNAs and has uncovered an unprecedented degree of sharing of isoforms between compartments. Many plant aminoacyl-tRNA synthetases are dual targeted to two compartments, either cytosol/mitochondria or plastids/mitochondria. The molecular basis for some of these cases of dual targeting are described.",

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AU - Dietrich, A.

AU - Duchêne, A. M.

AU - Lancelin, D.

AU - Maréchal-Drouard, L.

AU - Menand, B.

AU - Mireau, H.

AU - Moudden, Y.

AU - Ovesna, J.

AU - Peeters, N.

AU - Sakamoto, W.

AU - Souciet, G.

AU - Wintz, H.

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AB - The translation systems of plant mitochondria differ from those of other mitochondria in that they incorporate tRNAs of three different origins: native mitochondrial tRNAs, plastid tRNAs transcribed from plastid DNA insertions in mitochondrial DNA, and nuclearly encoded imported tRNAs. The complicated evolutionary history of the tRNA replacement events leading up to this situation is slowly being unraveled. Recent research on plant aminoacyl- tRNA synthetases is starting to reveal how the mitochondrial compartment can cope with this unusual mix of tRNAs and has uncovered an unprecedented degree of sharing of isoforms between compartments. Many plant aminoacyl-tRNA synthetases are dual targeted to two compartments, either cytosol/mitochondria or plastids/mitochondria. The molecular basis for some of these cases of dual targeting are described.

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The strange evolutionary history of plant mitochondrial tRNAs and their aminoacyl-tRNA synthetases

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