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Emergence and spread of B2-ST131-O25b, B2-ST131-O16 and D-ST405 clonal groups among extended-spectrum- -lactamase-producing Escherichia coli in Japan
Author(s) -
Yasufumi Matsumura,
Masaki Yamamoto,
Miki Nagao,
G. Hotta,
Aki Matsushima,
Yutaka Ito,
Shunji Takakura,
Satoshi Ichiyama
Publication year - 2012
Publication title -
journal of antimicrobial chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.124
H-Index - 194
eISSN - 1460-2091
pISSN - 0305-7453
DOI - 10.1093/jac/dks278
Subject(s) - multilocus sequence typing , pulsed field gel electrophoresis , escherichia coli , biology , phylogenetic tree , microbiology and biotechnology , clone (java method) , virology , genotype , genetics , gene
The increasing prevalence of extended-spectrum β-lactamase (ESBL)-producing Escherichia coli has been associated with the emergence of the CTX-M-producing sequence type 131 (ST131) pandemic clonal group, a member of the O25b serogroup and the B2 phylogenetic group. To assess the clonal spread of ESBL-producing E. coli in Japan, a regional surveillance programme was conducted.

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