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An In-House Assay Is Superior to Sepsityper for Direct Matrix-Assisted Laser Desorption Ionization-Time of Flight (MALDI-TOF) Mass Spectrometry Identification of Yeast Species in Blood Cultures

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Bidart, Marie | Bonnet, Isabelle | Hennebique, Aurélie | Kherraf, Zine Eddine | Pelloux, Hervé | Berger, François | Cornet, Muriel | Bailly, Sébastien | Maubon, Danièle

Edité par CCSD ; American Society for Microbiology -

International audience. We developed an in-house assay for the direct identification, by matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry, of yeasts in blood culture. Sixty-one representative strains from 12 species were analyzed in spiked blood cultures. Our assay accurately identified 95 of 107 (88.8%) positive blood cultures and outperformed the commercial Sepsityper kit (81.7% identification).

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