Cytoplasmic tyrosyl-tRNA synthetase rescues the defect in mitochondrial genome maintenance caused by the nuclear mutation mgm104-1 in the yeast Saccharomyces cerevisiae.

Abstract excerpt

The yeast nuclear mutation mgm104-1, which leads to slow growth on glucose medium and temperature-sensitive (ts) loss of mitochondrial DNA (mtDNA), has been identified by screening a collection of temperature-sensitive mutants on glycerol medium. A nuclear gene was isolated from a genomic DNA library by complementation of the mgm104-1 allele and was found to be identical to TTS1, which encodes the cytoplasmic...

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