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Nucleic Acids Res. 1996 Jul 1;24(13):2519-24.

A new efficient gene disruption cassette for repeated use in budding yeast.

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  • 1Institut für Mikrobiologie und Molekularbiologie, Justus-Liebig-Universität Giessen, Giessen, Germany.

Abstract

The dominant kanr marker gene plays an important role in gene disruption experiments in budding yeast, as this marker can be used in a variety of yeast strains lacking the conventional yeast markers. We have developed a loxP-kanMX-loxP gene disruption cassette, which combines the advantages of the heterologous kanr marker with those from the Cre-lox P recombination system. This disruption cassette integrates with high efficiency via homologous integration at the correct genomic locus (routinely 70%). Upon expression of the Cre recombinase the kanMX module is excised by an efficient recombination between the loxP sites, leaving behind a single loxP site at the chromosomal locus. This system allows repeated use of the kanr marker gene and will be of great advantage for the functional analysis of gene families.

PMID:
8692690
[PubMed - indexed for MEDLINE]
PMCID:
PMC145975
Free PMC Article
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