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Characterization of bla CTX-M-27/F1:A2:B20 Plasmids Harbored by Escherichia coli Sequence Type 131 Sublineage C1/H30R Isolates Spreading among Elderly Japanese in Nonacute-Care Settings.

ABSTRACT: We characterized 29 bla CTX-M-27-harboring plasmids of Escherichia coli sequence type 131 (ST131) sublineage C1/H30R isolates from healthy individuals and long-term-care facility (LTCF) residents. Most (27/29) plasmids were of the FIA, FIB, and FII multireplicon type with the same plasmid multilocus sequence typing (pMLST). Several plasmids (7/23) from LTCF residents harbored only bla CTX-M-27 as the resistance gene; however, their fundamental structures were very similar to those of previously isolated bla CTX-M-27/F1:A2:B20 plasmids, suggesting their prevalence as a newly arising public health concern.

SUBMITTER: Matsuo N 

PROVIDER: S-EPMC7179624 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Characterization of <i>bla</i><sub>CTX-M-27</sub>/F1:A2:B20 Plasmids Harbored by Escherichia coli Sequence Type 131 Sublineage C1/<i>H</i>30R Isolates Spreading among Elderly Japanese in Nonacute-Care Settings.

Matsuo Nao N   Nonogaki Rina R   Hayashi Michiko M   Wachino Jun-Ichi JI   Suzuki Masahiro M   Arakawa Yoshichika Y   Kawamura Kumiko K  

Antimicrobial agents and chemotherapy 20200421 5

We characterized 29 <i>bla</i><sub>CTX-M-27</sub>-harboring plasmids of <i>Escherichia coli</i> sequence type 131 (ST131) sublineage C1/<i>H</i>30R isolates from healthy individuals and long-term-care facility (LTCF) residents. Most (27/29) plasmids were of the FIA, FIB, and FII multireplicon type with the same plasmid multilocus sequence typing (pMLST). Several plasmids (7/23) from LTCF residents harbored only <i>bla</i><sub>CTX-M-27</sub> as the resistance gene; however, their fundamental stru  ...[more]

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