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Title

Use of an automated multiple-locus, variable-number tandem repeat-based method for rapid and high-throughput genotyping of Staphylococcus aureus isolates

Authors
Bento, Manuela
Topolski, Ivan
Fleury, Bénédicte
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Published in Journal of Clinical Microbiology. 2005, vol. 43, no. 7, p. 3346-3355
Abstract Fast and reliable genotyping methods that allow real-time epidemiological surveillance would be instrumental to monitoring of the spread of methicillin-resistant Staphylococcus aureus. We describe an automated variable-number tandem repeat-based method for the rapid genotyping of Staphylococcus aureus. Multiplex PCR amplifications with eight primer pairs that target gene regions with variable numbers of tandem repeats were resolved by microcapillary electrophoresis and automatically assessed by cluster analysis. This genotyping technique was evaluated for its discriminatory power and reproducibility with clinical isolates of various origins, including a panel of control strains previously characterized by several typing methods and collections from either long-term carriers or defined nosocomial outbreaks. All steps of this new procedure were developed to ensure a rapid turnaround time and moderate cost. The results obtained suggest that this rapid approach is a valuable tool for the genotyping of S. aureus isolates in real time.
Keywords AutomationBacterial Proteins/ geneticsBacterial Typing TechniquesDisease OutbreaksElectrophoresis, Gel, Pulsed-FieldGenotypeHumansMethicillin ResistanceMinisatellite Repeats/ geneticsPolymerase Chain Reaction/ methodsReproducibility of ResultsStaphylococcal Infections/epidemiology/microbiologyStaphylococcus aureus/ classification/drug effects/geneticsTime Factors
Identifiers
PMID: 16000459
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Structures
Research groups Groupe Harbarth Stephan (Staphylocoques dorés résistants à la méthicilline) (866)
Staphylocoques dorés résistants à la méthicilline et hygiène hospitalière (330)
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(ISO format)
FRANCOIS, Patrice et al. Use of an automated multiple-locus, variable-number tandem repeat-based method for rapid and high-throughput genotyping of Staphylococcus aureus isolates. In: Journal of Clinical Microbiology, 2005, vol. 43, n° 7, p. 3346-3355. https://archive-ouverte.unige.ch/unige:7226

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Deposited on : 2010-06-21

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