Screening for Group B Streptococci with Reduced Penicillin Susceptibility in Clinical Isolates Obtained between 1977 and 2005
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- Kimura Kouji
- Department of Bacteriology, Nagoya University Graduate School of Medicine Department of Bacteriology II, National Institute of Infectious Diseases
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- Nishiyama Yasunobu
- Meijyo Hospital
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- Shimizu Seiichi
- Meijyo Hospital
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- Wachino Jun-ichi
- Department of Bacteriology, Nagoya University Graduate School of Medicine Department of Bacteriology II, National Institute of Infectious Diseases
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- Matsui Mari
- Department of Bacteriology II, National Institute of Infectious Diseases
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- Suzuki Satowa
- Department of Bacteriology II, National Institute of Infectious Diseases
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- Yamane Kunikazu
- Department of Bacteriology II, National Institute of Infectious Diseases Department of Public Health, Kawasaki Medical School
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- Shibayama Keigo
- Department of Bacteriology II, National Institute of Infectious Diseases
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- Arakawa Yoshichika
- Department of Bacteriology, Nagoya University Graduate School of Medicine Department of Bacteriology II, National Institute of Infectious Diseases
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抄録
Group B streptococcus (GBS; Streptococcus agalactiae) is a leading cause of neonatal invasive infections, and until recently, it was thought to be completely susceptible to penicillin. However, we recently identified several clinical GBS isolates with reduced penicillin susceptibility (PRGBS) whose minimum inhibitory concentrations of penicillin were >0.12 μg/ml, which is above the susceptibility breakpoint set by the Clinical and Laboratory Standards Institute. These PRGBS were isolated between 1995 and 2005 in Japan; whether these PRGBS existed in Japan before 1995 is unknown. In the study described here, we screened for PRGBS among 349 clinical GBS isolates obtained in Japan between 1977 and 2005 using the previously developed disk diffusion method for the detection of PRGBS. With this method, we selected 6 PRGBS candidates and confirmed that 1 isolate was PRGBS, using agar dilution method, including oxacillin, ceftizoxime, and penicillin-binding protein 2X (PBP2X) gene sequencing analysis. This isolate was obtained from sputum in 2005, and we could not detect PRGBS isolates before 1995 in this investigation.
収録刊行物
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- Japanese Journal of Infectious Diseases
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Japanese Journal of Infectious Diseases 66 (3), 222-225, 2013
国立感染症研究所 Japanese Journal of Infectious Diseases 編集委員会
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詳細情報 詳細情報について
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- CRID
- 1390282681216217472
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- NII論文ID
- 130003381675
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- NII書誌ID
- AA1132885X
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- ISSN
- 18842836
- 13446304
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- NDL書誌ID
- 024523640
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- PubMed
- 23698483
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 使用不可