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  • Title: [Cloning of the gene of Saccharomyces cerevisiae yeasts that determines resistance to the toxic action of cadmium ions].
    Author: Ianushka AP, Sasnauskas KV, Ianulaĭtis AA.
    Journal: Genetika; 1988 May; 24(5):773-80. PubMed ID: 3047002.
    Abstract:
    A gene conferring resistance to cadmium in Saccharomyces cerevisiae was isolated from a yeast gene library created on the basis of the pL3 vector. The phenotype of resistance is only expressed in the yeast cells with cloned DNA inserted into a multicopy plasmid. Integration of the plasmid into chromosome or introduction of the centromeric region into the plasmid decreases the level of cadmium resistance. The cloned Sau3A I fragment of the yeast chromosome is 3.5 kbp in size. Restriction analysis and subcloning experiments showed the gene to be located within 1.6 kbp of the XhoI-Sau3A I fragment of DNA. Instability was observed in the vicinity of the XhoI-Sau3A I fragment of the yeast DNA in Escherichia coli.
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