Reference: Coppée JY, et al. (1996) PetCR46, a gene which is essential for respiration and integrity of the mitochondrial genome. Yeast 12(6):577-82

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Abstract


In the frame of the European Pilot Project for the functional analysis of newly discovered open reading frames (ORFs) from Saccharomyces cerevisiae chromosome III, we have deleted entirely the YCR46C ORF by a one-step polymerase chain reaction method and replaced it by the HIS3 marker in the strain W303. The deletion has been checked by meiotic segregation and Southern blot analyses. Characterization of the deleted strain indicates that YCR46C is essential for respiration and maintenance of the mitochondrial genome since its deletion leads to the appearance of 100% of cytoplasmic petites. Hybridization with molecular probes from mtDNA of individual clones of such petites showed that about 50% did hybridize (rho- clones) while others did not (possibly rho degrees clones). The wild-type gene has been cloned and shown to complement the deletion. The gene, which probably codes for a mitochondrial ribosomal protein, has been called petCR46.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Coppée JY, Rieger KJ, Kaniak A, di Rago JP, Groudinsky O, Slonimski PP
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