The differential overamplification of short sequences in the mitochondrial DNA of rho- petites in Saccharomyces cerevisiae stimulates recombination.


It is well known that the yeast Saccharomyces cerevisiae can be affected by mutations, called 'petite colonie', which correspond to the loss of the major part of the mitochondrial DNA and the concomitant amplification of the remaining sequence, the basic repeat unit (BRU). We describe here a new phenomenon, the internal overamplification (IOA), due to the… (More)


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