Unknown,Transcriptomics,Genomics,Proteomics

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CGH analysis of Candida albicans strains


ABSTRACT: Aneuploidy and the evolution of aneuploid karyotypes of Candida albicans strains was identified using aCGH. Whole chromosome and segmental aneuploidies, (specifically on the left arm of chromosome 5 - shown to be due to isochromosome formation) are associated with the appearance of resistance to the antifungal drug fluconazole. Keywords: Comparative Genomic Hybridization Hybridization of all strains was compared to the hybridization of SC5314, the sequenced laboratory strain.

ORGANISM(S): Candida albicans

SUBMITTER: Anna Selmecki 

PROVIDER: E-GEOD-4995 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Aneuploidy and isochromosome formation in drug-resistant Candida albicans.

Selmecki Anna A   Forche Anja A   Berman Judith J  

Science (New York, N.Y.) 20060701 5785


Resistance to the limited number of available antifungal drugs is a serious problem in the treatment of Candida albicans. We found that aneuploidy in general and a specific segmental aneuploidy, consisting of an isochromosome composed of the two left arms of chromosome 5, were associated with azole resistance. The isochromosome forms around a single centromere flanked by an inverted repeat and was found as an independent chromosome or fused at the telomere to a full-length homolog of chromosome  ...[more]

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