Genome-wide expression profiling of the response to azole, polyene, echinocandin, and pyrimidine antifungal agents in Candida albicans

Teresa T. Liu, Robin E.B. Lee, Katherine S. Barker, Richard E. Lee, Lai Wei, Ramin Homayouni, Phillip Rogers

Research output: Contribution to journalArticle

199 Citations (Scopus)

Abstract

Antifungal agents exert their activity through a variety of mechanisms, some of which are poorly understood. We examined changes in the gene expression profile of Candida albicans following exposure to representatives of the four currently available classes of antifungal agents used in the treatment of systemic fungal infections. Ketoconazole exposure increased expression of genes involved in lipid, fatty acid, and sterol metabolism, including NCP1, MCR1, CYB5, ERG2, ERG3, ERG10, ERG25, ERG251, and that encoding the azole target, ERG11. Ketoconazole also increased expression of several genes associated with azole resistance, including CDR1, CDR2, IFD4, DDR48, and RTA3. Amphotericin B produced changes in the expression of genes involved in small-molecule transport (ENA21), and in cell stress (YHB1, CTA1, AOX1, and SOD2). Also observed was decreased expression of genes involved in ergosterol biosynthesis, including ERG3 and ERG11. Caspofungin produced changes in expression of genes encoding cell wall maintenance proteins, including the β-1,3-glucan synthase subunit GSL22, as well as PHRl, ECM21, ECM33, and FEN12. Flucytosine increased the expression of proteins involved in purine and pyrimidine biosynthesis, including YNK1, FUR1, and that encoding its target, CDC21. Real-time reverse transcription-PCR was used to confirm microarray results. Genes responding similarly to two or more drugs were also identified. These data shed new light on the effects of these classes of antifungal agents on C. albicans.

Original languageEnglish (US)
Pages (from-to)2226-2236
Number of pages11
JournalAntimicrobial Agents and Chemotherapy
Volume49
Issue number6
DOIs
StatePublished - Jun 1 2005

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Echinocandins
Polyenes
Azoles
Antifungal Agents
Candida albicans
Genome
Gene Expression
Ketoconazole
caspofungin
Flucytosine
Ergosterol
Mycoses
Amphotericin B
Sterols
Transcriptome
Cell Wall
Reverse Transcription
Proteins
Fatty Acids
Maintenance

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Pharmacology (medical)
  • Infectious Diseases

Cite this

Genome-wide expression profiling of the response to azole, polyene, echinocandin, and pyrimidine antifungal agents in Candida albicans. / Liu, Teresa T.; Lee, Robin E.B.; Barker, Katherine S.; Lee, Richard E.; Wei, Lai; Homayouni, Ramin; Rogers, Phillip.

In: Antimicrobial Agents and Chemotherapy, Vol. 49, No. 6, 01.06.2005, p. 2226-2236.

Research output: Contribution to journalArticle

Liu, Teresa T. ; Lee, Robin E.B. ; Barker, Katherine S. ; Lee, Richard E. ; Wei, Lai ; Homayouni, Ramin ; Rogers, Phillip. / Genome-wide expression profiling of the response to azole, polyene, echinocandin, and pyrimidine antifungal agents in Candida albicans. In: Antimicrobial Agents and Chemotherapy. 2005 ; Vol. 49, No. 6. pp. 2226-2236.
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