Article
The 7472insC mitochondrial DNA mutation impairs the synthesis and extent of aminoacylation of tRNASer(UCN) but not its structure or rate of turnover.
The Journal of biological chemistry - 21 Jun 2002
Toompuu Marina, Yasukawa Takehiro, Suzuki Tsutomu, Hakkinen Terhi, Spelbrink Johannes N, Watanabe Kimitsuna, Jacobs Howard T
Abstract excerpt
The 7472insC mitochondrial DNA mutation in the tRNA(Ser(UCN)) gene is associated with sensorineural deafness combined, in some patients, with a wider neurological syndrome. In cultured cybrid cells it causes a 70% decrease in tRNA(Ser(UCN)) abundance and mild respiratory impairment, previously suggested to be due to decreased tRNA stability. When mitochondrial transcription was blocked by ethidium bromide...
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