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- Title
Molecular characteristics of serotype 3 Streptococcus pneumoniae isolates among community-acquired pneumonia patients in Japan.
- Authors
Rie Isozumi; Yutaka Ito; Tadashi Ishida; Toyohiro Hirai; Ko Maniwa; Michio Hayashi; Hitoshi Kagioka; Masataka Hirabayashi; Koichi Onaru; Hiromi Tomioka; Iwao Gohma; Makoto Osawa; Seiichiro Imai; Shunji Takakura; Yoshitsugu Iinuma; Kazuo Chin; Satoshi Ichiyama; Michiaki Mishima
- Abstract
Abstract In order to understand the spread of the erythromycin-resistant serotype 3 Streptococcus pneumoniae clone in Japan, we have assessed the molecular characteristics of this clone. Among 156 S. pneumoniae isolates recovered from adults with community-acquired pneumonia between 2003 and 2005, 42 were serotype 3 and 40 were sequence type (ST) 180/Netherlands3-31 by multilocus sequence typing. Thirty-eight of the 40 ST 180 isolates had acquired resistance to erythromycin via the ermB gene. Although the ermB-positive ST180 clone isolates were more susceptible to penicillin and trimethoprim-sulfamethoxazole than ermB-positive non-ST180 isolates and contained a less mutated pbp1a or pbp2b gene, without a mefA gene, the ST180 clone was highly prevalent among ermB-positive isolates. Routine surveillance for the ST180 S. pneumoniae clone may soon become necessary.
- Subjects
STREPTOCOCCUS pneumoniae; ERYTHROMYCIN; COMMUNITY-acquired pneumonia; COMMUNITY-acquired infections; ANTIBACTERIAL agents; PENICILLIN
- Publication
Journal of Infection & Chemotherapy (Springer Science & Business Media B.V.), 2008, Vol 14, Issue 3, p258
- ISSN
1341-321X
- Publication type
Article
- DOI
10.1007/s10156-008-0600-9