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A termination codon is created by RNA editing in the petunia mitochondrialatp9 gene transcript

โœ Scribed by Henri Wintz; Maureen R. Hanson


Book ID
104739617
Publisher
Springer-Verlag
Year
1991
Tongue
English
Weight
458 KB
Volume
19
Category
Article
ISSN
0172-8083

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โœฆ Synopsis


Analysis of the cDNA of the atp9-1 gene transcript from petunia mitochondria has revealed that ten C residues of the gene sequence are edited into U in the mRNA. Seven of these edits result in amino acid changes and one introduces a stop codon before the end of the open reading frame predicted from the gene sequence. The resulting protein is better conserved when compared to the same protein in other organism. Comparison of the edited petunia sequence with other plant mitochondrial atp9 gene sequences indicates variation in the number and positions of edits required to obtain the same amino acids in ATP9 polypeptides of higher plants.


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