Le transfert autonome des facteurs mitochondriaux (la cytoduction) lors du croisement des cellules de levure Saccharomyces cerevisiae |
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Authors: | I.A. Zakharov,V.P. St panova |
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Affiliation: | I.A. Zakharov,V.P. Stépanova |
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Abstract: | When crossing the genetically marked yeast strains obtained from the Gif collection we observed the appearance of haploid nucleo-cytoplasmic hybrids carrying the 3 nuclear markers of the ρ− parent and the mitochondrial markers (rho+ ER CR) of the other parent. The frequency of such cytoduction was about 1 per cent. The mitochondrial markers ER and CR were transmited to cytoductants together and did not segregate. The possible mechanisms of the cytoduction and its significance are discussed. |
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