Detection of Escherichia coli sequence type 131 clonal group among extended-spectrum β-lactamase-producing E. coli using VITEK MS Plus matrix-assisted laser desorption ionization-time of flight mass spectrometry

Yasufumi Matsumura,Masaki Yamamoto,Miki Nagao,Michio Tanaka,Shunji Takakura,Satoshi Ichiyama

doi:10.1016/j.mimet.2015.09.016

Detection of Escherichia coli sequence type 131 clonal group among extended-spectrum β-lactamase-producing E. coli using VITEK MS Plus matrix-assisted laser desorption ionization-time of flight mass spectrometry

Yasufumi Matsumura, Masaki Yamamoto + Show 4 more

https://doi.org/10.1016/j.mimet.2015.09.016

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Journal: Journal of Microbiological Methods	Publication Date: Sep 28, 2015
Citations: 8

Affiliation: Kyoto University

#Sequence Type 131 #Sequence Type 131 Isolates + Show 3 more

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Abstract

We investigated the performance of the VITEK MS Plus system for the detection of Escherichia coli sequence type 131 (ST131) among extended-spectrum β-lactamase-producing E. coli isolates. The SARAMIS software could discriminate the 67 ST131 isolates from 82 non-ST131 isolates with a sensitivity of 86.6% and a specificity of 95.1%.

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