Journal
YEAST
Volume 20, Issue 11, Pages 985-993Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/yea.1018
Keywords
Saccharomyces cerevisiae; markers; gene disruption; gene replacement
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Marker swap plasmids can be used to change markers for genes disrupted with nutritional markers in the yeast Saccharomyces cerevisiae. We describe 18 new marker swap plasmids, and we also review other plasmids available for marker conversions. All of these plasmids have long regions of flanking sequence identity, and thus the efficiency of homologous recombination mediated by marker conversion is very high. Marker swaps allow one to easily perform crosses to construct double mutant strains even if each of the disrupted strains contains the same marker, as is the case with the KanMX marker used in the yeast knockout collection. Marker swaps can also be used to change the selectable marker on plasmids, eliminating the need for subcloning. Copyright (C) 2003 John Wiley Sons, Ltd.
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