system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
An investigator studying fungal growth isolates organisms from an infant with diaper rash. The isolate is cultured and exposed to increasing concentrations of nystatin. Selected colonies continue to grow and replicate even at high concentrations of the drug. Which of the following is the most likely explanation for this finding?
assistant
Reduced ergosterol content in cell membrane