May 16, 2015

A Candida albicans CRISPR system permits genetic engineering of essential genes and gene families

Science Advances
Valmik K VyasGerald R Fink

Abstract

Candida albicans is a pathogenic yeast that causes mucosal and systematic infections with high mortality. The absence of facile molecular genetics has been a major impediment to analysis of pathogenesis. The lack of meiosis coupled with the absence of plasmids makes genetic engineering cumbersome, especially for essential functions and gene families. We describe a C. albicans CRISPR system that overcomes many of the obstacles to genetic engineering in this organism. The high frequency with which CRISPR-induced mutations can be directed to target genes enables easy isolation of homozygous gene knockouts, even without selection. Moreover, the system permits the creation of strains with mutations in multiple genes, gene families, and genes that encode essential functions. This CRISPR system is also effective in a fresh clinical isolate of undetermined ploidy. Our method transforms the ability to manipulate the genome of Candida and provides a new window into the biology of this pathogen.

  • References24
  • Citations76

References

  • References24
  • Citations76

Citations

Mentioned in this Paper

Pathogenic Aspects
Candida albicans
Cyclodictyon albicans
Pathogenesis
Genome
Daiotyla albicans
Genes
CRISPR-Cas Systems
Pathogenic Organism
Cineraria albicans

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