Nonoutbreak Surveillance of Group A Streptococci Causing Invasive Disease in Portugal Identified Internationally Disseminated Clones among Members of a Genetically Heterogeneous Population

The typing of 160 invasive Streptococcus pyogenes isolates confirmed the importance of pulsed-field gel electrophoresis and multilocus sequence typing for defining clones. The results identified an extremely diverse population and highlighted the importance of both internationally disseminated and l...

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Bibliographic Details
Published in:Journal of Clinical Microbiology 2007-06, Vol.45 (6), p.2044-2047
Main Authors: Friães, A, Ramirez, M, Melo-Cristino, J
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Bacterial Typing Techniques
Bacteriology
Biological and medical sciences
Electrophoresis, Gel, Pulsed-Field
Epidemiology
Fundamental and applied biological sciences. Psychology
Genetic Variation
Global Health
Humans
Infectious diseases
Medical sciences
Microbiology
Middle Aged
Miscellaneous
Population Surveillance
Portugal - epidemiology
Sequence Analysis, DNA
Serotyping
Streptococcal Infections - epidemiology
Streptococcal Infections - microbiology
Streptococcus pyogenes
Streptococcus pyogenes - classification
Streptococcus pyogenes - genetics
Streptococcus pyogenes - isolation & purification
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Summary:The typing of 160 invasive Streptococcus pyogenes isolates confirmed the importance of pulsed-field gel electrophoresis and multilocus sequence typing for defining clones. The results identified an extremely diverse population and highlighted the importance of both internationally disseminated and local clones not previously associated with invasive disease.
ISSN:0095-1137
1098-660X
1098-5530
DOI:10.1128/JCM.00496-07