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| Content Provider | Springer Nature Link |
|---|---|
| Author | Jacquier, H. Carbonnelle, E. Corvec, S. Illiaquer, M. Monnier, A. Bille, E. Zahar, J. R. Beretti, J. L. Jauréguy, F. Fihman, V. Tankovic, J. Cattoir, V. |
| Copyright Year | 2011 |
| Abstract | Nonfermenting Gram-negative bacilli (NF-GNB) are ubiquitous environmental opportunistic bacteria frequently misidentified by conventional phenotypic methods. The aim of this study was to determine the distribution of NF-GNB species by 16 S rRNA gene sequencing (used as reference method) and to compare performances of biochemical tests and matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS). From nine French hospitals, 188 NF-GNB isolates (except P. aeruginosa and A. baumannii) were prospectively collected from 187 clinical samples between December 2008 and May 2009. By using the genotypic approach, 173 (92%) and 188 (100%) isolates were identified to the species and genus level, respectively. They covered 35 species and 20 genera, with a predominance of Stenotrophomonas maltophilia, Achromobacter xylosoxidans, and Pseudomonas putida group bacteria. Of the 173 species-level identified strains, concordant identification to the species-level was obtained for 75.1%, 83% and 88.9% of isolates with API 20 NE strip, the VITEK-2 (ID-GN card) system and MALDI-TOF-MS, respectively. By excluding S. maltophilia isolates accurately identified by the three methods, genus-level identification was much higher for MALDI-TOF-MS (92.9%), compared with API 20 NE and VITEK-2 (76.2% and 80.8%, respectively). In conclusion, MALDI-TOF-MS represents a rapid, inexpensive, and accurate tool for routine identification of NF-GNB in human clinical samples. |
| Starting Page | 1579 |
| Ending Page | 1586 |
| Page Count | 8 |
| File Format | |
| ISSN | 09349723 |
| Journal | European Journal of Clinical Microbiology & Infectious Diseases |
| Volume Number | 30 |
| Issue Number | 12 |
| e-ISSN | 14354373 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2011-04-21 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Internal Medicine Medical Microbiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Microbiology (medical) |
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