Standardization of polymerase chain reaction for detection of fluconazole resistance targeting Y132F mutation in ERG11 gene in Candida parapsilosis
2024

Detecting Fluconazole Resistance in Candida parapsilosis

Sample size: 75 publication Evidence: high

Author Information

Author(s): Karthika Kanagasabapathi, Premamalini Thayanidhi, Vijayakishore Thanneru, Kindo Anupama Jyoti

Primary Institution: Sri Ramachandra Medical College & Research Institute, SRIHER, Chennai, India

Hypothesis

This study aimed to detect fluconazole resistance by targeting the Y132F mutation in the ERG11 gene in Candida parapsilosis.

Conclusion

The developed PCR assay successfully detected the Y132F mutation, allowing for early identification of fluconazole-resistant Candida parapsilosis isolates.

Supporting Evidence

  • 24% of candidemia cases were caused by Candida parapsilosis.
  • Fluconazole resistance was found in 16.7% of C. parapsilosis isolates.
  • The PCR assay identified all fluconazole-resistant isolates with the Y132F mutation.
  • The assay can detect the mutation within 3 hours.

Takeaway

Researchers created a test to quickly find out if a type of fungus called Candida parapsilosis is resistant to a medicine called fluconazole, which helps treat infections.

Methodology

The study involved collecting 75 Candida isolates from candidemia patients and using PCR to detect the Y132F mutation in the ERG11 gene.

Limitations

The study was limited to a single center and focused on one specific mutation related to fluconazole resistance.

Participant Demographics

Candidemia patients from a tertiary care center in India.

Digital Object Identifier (DOI)

10.22034/cmm.2024.345209.1517

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