The evolutionary fate of mitochondrial aminoacyl-tRNA synthetases in amitochondrial organisms
Abstract: During the endosymbiotic evolution of mitochondria, the genes for aminoacyl-tRNA synthetases were transferred to the ancestral nucleus. A further reduction of mitochondrial function resulted in mitochondrion-related organisms (MRO) with a loss of the organelle genome. The fate of the now redundant ancestral mitochondrial aminoacyl-tRNA synthetase genes is uncertain. The derived protein sequence for arginyl-tRNA synthetase from thirty mitosomal organisms have been classified as originating from the ancestral nuclear or mitochondrial gene and compared to the identity element at position 20 of the cognate tRNA that distinguishes the two enzyme forms. The evolutionary choice between loss and retention of the ancestral mitochondrial gene for arginyl-tRNA synthetase reflects the coevolution of arginyl-tRNA synthetase and tRNA identity elements
- Sprache
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Englisch
- Umfang
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Online-Ressource
- Anmerkungen
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Journal of molecular evolution. - 89 (2021) , 484–493, ISSN: 1432-1432
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Urheber
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Igloi, Gabor L.
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
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2021
- DOI
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10.1007/s00239-021-10019-z
- URN
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urn:nbn:de:bsz:25-freidok-2191507
- Rechteinformation
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Kein Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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25.03.2025, 13:53 MEZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Igloi, Gabor L.
- Universität
Entstanden
- 2021
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