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Combinatorial genetic libraries are powerful tools for diversifying and optimizing biomolecules. The process of library assembly is a major limiting factor for library complexity and quality. Gap repair by homologous recombination in Saccharomyces cerevisiae can facilitate in vivo assembly of DNA fragments sharing short patches of sequence homology, thereby supporting generation of high‐complexity...
The fission yeast Schizosaccharomyces pombe has been emerging as an important model organism for studying the formation and repression of heterochromatin. To enable simple and relative quantitative assessment of heterochromatin silencing, we have created bioluminescence‐based reporter strains. A green‐emitting click beetle luciferase (CBG68) gene was inserted within pericentromeric heterochromatin...
Lager beer brewing relies on strains collectively known as Saccharomyces carlsbergensis, which are hybrids between S. cerevisiae and S. eubayanus‐like strains. Lager yeasts are particularly adapted to low‐temperature fermentations. Selection of new yeast strains for improved traits or fermentation performance is laborious, due to the allotetraploid nature of lager yeasts. Initially, we have generated...
Conventional extraction protocols for yeast have been developed for relatively rapid‐growing low cell density cultures of laboratory strains and often do not have the integrity for frequent sampling of cultures. Therefore, these protocols are usually inefficient for cultures under slow growth conditions or of non‐laboratory strains. We have developed a combined mechanical and chemical disruption procedure...
Clinical isolates are prototrophic and hence are not amenable to genetic manipulation using nutritional markers. Here we describe a new set of plasmids carrying the NAT1 (nourseothricin) drug resistance marker (Shen et al., [Shen J, 2005]), which can be used both in clinical isolates and in laboratory strains. We constructed novel plasmids containing HA–NAT1 or MYC–NAT1 cassettes to facilitate PCR‐mediated...
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