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Surveillance of severe invasive group-G streptococcal infections and molecular typing of the isolates in Japan

Published online by Cambridge University Press:  27 January 2004

T. IKEBE
Affiliation:
Department of Bacteriology, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
S. MURAYAMA
Affiliation:
Department of Bacteriology, The Yamagata Prefectural Institute of Public Health, Yamagata, 990-0031, Japan
K. SAITOH
Affiliation:
Department of Bacteriology, Fukushima Prefectural Institute of Public Health, Fukushima, 960-8560, Japan
S. YAMAI
Affiliation:
Department of Bacteriology and Pathology, Kanagawa Prefectural Public Health Laboratory, Yokohama, 241-0815, Japan
R. SUZUKI
Affiliation:
Department of Bacteriology and Pathology, Kanagawa Prefectural Public Health Laboratory, Yokohama, 241-0815, Japan
J. ISOBE
Affiliation:
Department of Bacteriology, Toyama Institute of Health, Toyama, 939-0363, Japan
D. TANAKA
Affiliation:
Department of Bacteriology, Toyama Institute of Health, Toyama, 939-0363, Japan
C. KATSUKAWA
Affiliation:
Department of Microbiology, Osaka Prefectural Institute of Public Health, Osaka, 537-0025, Japan
A. TAMARU
Affiliation:
Department of Microbiology, Osaka Prefectural Institute of Public Health, Osaka, 537-0025, Japan
A. KATAYAMA
Affiliation:
Division of Biological Medicine, Yamaguchi Prefectural Research Institute of Public Health, Yamaguchi, 753-0821, Japan
Y. FUJINAGA
Affiliation:
Division of Biological Medicine, Yamaguchi Prefectural Research Institute of Public Health, Yamaguchi, 753-0821, Japan
K. HOASHI
Affiliation:
Department of Bacteriology, The Oita Prefectural Institute of Health and Environment, Oita, 870-1117, Japan
H. WATANABE
Affiliation:
Department of Bacteriology, National Institute of Infectious Diseases, Tokyo, 162-8640, Japan
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Abstract

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The number of patients with severe invasive group-G streptococcal (Streptococcus dysgalactiae subsp. equisimilis) infections has been increasing in Japan. The emm genotypes and SmaI-digested pulsed-field gel electrophoresis DNA profiles were variable among the strains isolated, suggesting there has not been clonal expansion of a specific subpopulation of strains. However, all strains carried scpA, ska, slo and sag genes, some of which may be involved in the pathogenesis of the disease.

Type
Short Reports
Copyright
© 2004 Cambridge University Press