Abstract:
:For 8 years, it was not understood why certain genes of plant mitochondria contain CGG (arginine) codons at positions where tryptophan codons (UGG) are present in the corresponding genes of nonplant species. Identification and sequencing of a tRNA(Trp) gene showed that it is not able to decode the CGG codon. Analysis of different discrepancies in the sequences of plant mitochondrial proteins prompted us to determine directly the corresponding RNA sequences. These experiments showed that plant mitochondrial transcripts are subject to RNA editing that changes C into U, resulting in a better phylogenetic conservation of protein sequences [Gualberto et al. (1989) Nature 341, 660-662].
journal_name
IUBMB Lifejournal_title
IUBMB lifeauthors
Grienenberger JMdoi
10.1002/iub.277subject
Has Abstractpub_date
2009-12-01 00:00:00pages
1110-3issue
12eissn
1521-6543issn
1521-6551journal_volume
61pub_type
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