Fig. 2. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry Prototheca wickerhamii spectrum. (A) Spectrum of P. wickerhamii after yeast sample preparation with formic acid showing ambiguous identification. (B) Spectrum of P. wickerhamii after mold sample preparation using ethanol/formic acid extraction.

Ann Clin Microbiol 2024;27(4):271-277. Cutaneous infection caused by Prototheca wickerhamii identified using VITEK MS following pretreatment with a mold-extraction protocol: a case report

Fig. 2. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry Prototheca wickerhamii spectrum. (A) Spectrum of P. wickerhamii after yeast sample preparation with formic acid showing ambiguous identification. (B) Spectrum of P. wickerhamii after mold sample preparation using ethanol/formic acid extraction.