Comparison of Heat Inactivation and Cell Disruption Protocols for Identification of Mycobacteria from Solid Culture Media by Use of Vitek Matrix-Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry

Abstract excerpt

Two novel protocols for inactivation and extraction were developed and used to identify 107 Mycobacterium clinical isolates, including Mycobacterium tuberculosis complex, from solid cultures using Vitek matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry. The protocol using heat inactivation with sonication and cell disruption with glass beads resulted in 82.2% and 88.8%...

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