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Evaluation of Matrix-Assisted Laser Desorption Ionization-Time of Flight Mass Spectrometry for Identification of Nontuberculous Mycobacteria from Clinical Isolates
被引:37
|作者:
Rodriguez-Sanchez, Belen
[1
,2
,3
]
Jesus Ruiz-Serrano, Mara
[1
,2
,3
]
Marin, Mercedes
[1
,2
,3
,4
]
Lopez Roa, Paula
[1
]
Rodriguez-Creixems, Marta
[1
]
Bouza, Emilio
[1
,2
,3
,4
]
机构:
[1] Univ Gregorio Maranon, Gen Hosp, Clin Microbiol & Infect Dis Dept, Madrid, Spain
[2] CIBER Enfermedades Resp CIBERES CB06 06 0058, Madrid, Spain
[3] Inst Invest Sanitaria Gregorio Maranon, Madrid, Spain
[4] Univ Complutense Madrid, Sch Med, Dept Med, Madrid, Spain
关键词:
RAPID IDENTIFICATION;
CULTURE-MEDIA;
D O I:
10.1128/JCM.01380-15
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
Matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) for the identification of nontuberculous mycobacterial (NTM) isolates was evaluated in this study. Overall, 125 NTM isolates were analyzed by MALDI-TOF and GenoType CM/AS. Identification by 16S rRNA/hsp65 sequencing was considered the gold standard. Agreements between MALDI-TOF and GenoType CM/AS with the reference method were, respectively, 94.4% and 84.0%. In 17 cases (13.6%), results provided by GenoType and MALDI-TOF were discordant; however, the reference method agreed with MALDI-TOF in 16/17 cases (94.1%; P = 0.002).
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页码:2737 / 2740
页数:4
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