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Table 2 C. auris virulence and resistance factors

From: Epidemiology, clinical characteristics, resistance, and treatment of infections by Candida auris

Virulence genes encoding for:

 Hemolysin, secreted aspartyl proteinases, secreted lipases, phosphatases, mannosyl transferases, phospholipase, integrins, adhesins, Zn(II) 2 cys 6 transcription factor (strain-specif degree of activity)

Resistance genes:

Azoles resistance

 Transport proteins and efflux pumps (ATP-binding cassette ABC; major facilitator superfamilies MFS; upregulation of CDR1, CDR2, MDR1)

 ERG 11 mutations (substitutions Y132F, K143R, and F126T) and ERG 11 upregulation

Echinocandin resistance

 FKS1/2 (encoding echinocandin drug target 1,3-beta-glucan synthase)

Adherence to surfaces and plastic materials (e.g., catheters)

Biofilm formation

Cellular morphology (aggregating and non-aggregating forms)

Rudimentary pseudohyphae formation