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Ongoing Revolution in Bacteriology: Routine Identification of Bacteria by Matrix‐Assisted Laser Desorption Ionization Time‐of‐Flight Mass Spectrometry

Clinical Infectious Diseases · 2009 · Vol. 49(4) · pp. 543–551

Piseth Seng(Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes)Michel Drancourt(Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes)Frédérique Gouriet(Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes)Bernard La Scola(Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes)Pierre‐Edouard Fournier(Assistance Publique Hôpitaux de Marseille)Jean‐Marc Rolain(Unité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes)Didier Raoult✉(Assistance Publique Hôpitaux de Marseille)

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Abstract

MALDI-TOF mass spectrometry is a cost-effective, accurate method for routine identification of bacterial isolates in <1 h using a database comprising > or =10 reference spectra per bacterial species and a 1.9 identification score (Brucker system). It may replace Gram staining and biochemical identification in the near future.

Bacterial Identification and Susceptibility Testing Infective Endocarditis Diagnosis and Management Diphtheria, Corynebacterium, and TetanusMass spectrometryMatrix-assisted laser desorption/ionizationrpoBMass spectrumChromatographyBacteriaIdentification (biology)16S ribosomal RNAMedicineMicrobiology

MeSH terms

BacteriaBacterial InfectionsBacterial ProteinsBacteriological TechniquesDiagnostic ErrorsHumansRetrospective StudiesSensitivity and SpecificityTime FactorsSpectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization

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High-Throughput Identification of Bacteria and Yeast by Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry in Conventional Medical Microbiology Laboratories