A comparative study of the ori sequences from the mitochondrial genomes of twenty wild-type yeast strains

Gene
G Faugeron-FontyG Bernardi

Abstract

The ori sequences of the mitochondrial genomes of 20 wild-type strains of Saccharomyces cerevisiae were compared with those of the previously studied strain A (de Zamaroczy et al., 1984). The seven canonical ori sequences of this strain appear to be present in all strains tested, but in most strains ori1 is replaced by an extensively rearranged ori1 * sequence, and an additional ori sequence, ori8, is present between the oxi3 and the 15S RNA genes; one strain, B, lacks ori4. The location and orientation of ori sequences of three strains, B, C and K, were found to be the same as in strain A. The primary structures of four ori sequences from three different strains (ori1 of strain J69-1B, ori3 and ori5 of strain K, ori6 of strain D273-10B) were found to be identical with the corresponding ori sequences previously investigated. Hybridization experiments with different ori probes indicated a conservation of ori2-ori7 sequences in all strains tested. The primary structure of a petite genome derived from strain B and carrying ori1 * is reported and discussed.

References

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Citations

May 1, 1991·Journal of Molecular Evolution·P J Skelly, G D Clark-Walker
Oct 22, 2013·PloS One·Edward M TurkErik D Andrulis
Aug 1, 1992·Antonie van Leeuwenhoek·M Bolotin-Fukuhara, L A Grivell
Jan 1, 1995·Critical Reviews in Biochemistry and Molecular Biology·L A Grivell
May 1, 1989·Molecular and Cellular Biology·W L FangmanB J Brewer
Jan 1, 1990·Molecular and Cellular Biology·W L FangmanB J Brewer
Apr 1, 1990·Molecular and Cellular Biology·P J Skelly, G D Clark-Walker
Jul 10, 1992·Cell·J N TopperD A Clayton

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