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Volume 154, Issue 8

Analysis of base excision and nucleotide excision repair in Free

Abstract

, clinically the most important human fungal pathogen, rapidly develops resistance to antifungal drugs. The acquisition of resistance has been linked to various types of genome changes. As part of an ongoing study of this problem, we investigated mutation, genome stability and drug resistance acquisition in strains with deletions in the base excision repair (BER) genes , and , and in the nucleotide excision repair (NER) genes and . The BER mutants did not exhibit any change in their susceptibility to DNA-damaging agents, but the NER mutants were extremely sensitive to UV-induced DNA damage. We did not observe any significant change in mutation, genome stability and antifungal drug sensitivity in the mutant strains we tested. However, we detected a number of intriguing phenotypic differences between strains bearing deletions in equivalent and BER and NER genes, which may be related to differences in the life cycles of these two fungi.

  • Received:
  • Accepted:
  • Revised:
  • Published Online:
Keyword(s): 2-DG, 2-deoxygalactose , 5-FOA, 5-fluoroorotic acid , BER, base excision repair , Ch1, chromosome 1 , EMS, ethylmethane sulfonate , MMS, methylmethane sulfonate , NER, nucleotide excision repair , ROS, reactive oxygen species , SNP, single nucleotide polymorphism and TBHP, tetrabutyl hydrogen peroxide
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2008-08-01
2024-04-19
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Analysis of base excision and nucleotide excision repair in Candida albicans
Microbiology 154, 2446 (2008); https://doi.org/10.1099/mic.0.2008/017616-0
/content/journal/micro/10.1099/mic.0.2008/017616-0
/content/journal/micro/10.1099/mic.0.2008/017616-0
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