Pan-Echinocandin Resistant C. parapsilosis Harboring an F652S Fks1 Alteration in a Patient with Prolonged Echinocandin Therapy

Maria Siopi, Antonios Papadopoulos, Anastasia Spiliopoulou, Fotini Paliogianni, Nissrine Abou-Chakra, Maiken Cavling Arendrup, Christina Damoulari, Georgios Tsioulos, Efthymia Giannitsioti, Frantzeska Frantzeskaki, Iraklis Tsangaris, Spyros Pournaras, Joseph Meletiadis*

*Corresponding author af dette arbejde
17 Citationer (Scopus)

Abstract

The isolation of a pan-echinocandin-resistant Candida parapsilosis strain (anidulafungin, caspofungin, micafungin and rezafungin EUCAST MICs > 8 mg/L) from urine of a patient following prolonged exposure to echinocandins (38 days of micafungin followed by 16 days of anidulafungin) is described. The isolate harbored the novel alteration F652S in the hotspot 1 region of fks1. Isogenic C. parapsilosis bloodstream isolates collected up to 1.5 months earlier from the same patient were susceptible to echinocandins (anidulafungin, caspofungin and micafungin EUCAST MICs 1−2, 1 and 1 mg/L, respectively) and contained wild-type FKS1 sequences. This is the first report of pan-echinocandin resistance in C. parapsilosis associated with an aminoacid change in hotspot 1 region of fks1.

OriginalsprogEngelsk
Artikelnummer931
TidsskriftJournal of fungi (Basel, Switzerland)
Vol/bind8
Udgave nummer9
Sider (fra-til)1-7
Antal sider7
ISSN2309-608X
DOI
StatusUdgivet - 1 sep. 2022

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