Abstract
It is known that RNA editing (mainly C-to-U deamination reaction) takes places at hundreds of places post-transcriptionally in the higher plant mitochondria.
We synthesized primers based on the DNA sequence of a tobacco mitochondria, and determined the RNA editing sites by RT-PCR method. At present, at least about 400 RNA editing sites were found out in 31 kinds of protein. Multiple alignment was carried out with the information on other plants, and the RNA editing site was marked there. Consequently, (1) the initiation codon of the rps10 gene arose by RNA editing. However, the initiation codon of the cox1 gene was not produced but presumed that translation began from another codon. (2) It became clear that U is frequently found one base upstream of editing site (C).
