Identification of VanN-Type Vancomycin Resistance in an Enterococcus faecium Isolate from Chicken Meat in Japan | Zendy

Takahiro Nomura | Zendy; Koichi Tanimoto | Zendy; Keigo Shibayama | Zendy; Yoshichika Arakawa | Zendy; Shuhei Fujimoto | Zendy; Yasuyoshi Ike | Zendy; Haruyoshi Tomita | Zendy

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Identification of VanN-Type Vancomycin Resistance in an Enterococcus faecium Isolate from Chicken Meat in Japan

Author(s) -

Takahiro Nomura,

Koichi Tanimoto,

Keigo Shibayama,

Yoshichika Arakawa,

Shuhei Fujimoto,

Yasuyoshi Ike,

Haruyoshi Tomita

Publication year - 2012

Publication title -

antimicrobial agents and chemotherapy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.07

H-Index - 259

eISSN - 1070-6283

pISSN - 0066-4804

DOI - 10.1128/aac.00747-12

Subject(s) - enterococcus faecium , microbiology and biotechnology , vancomycin , biology , operon , plasmid , streptococcaceae , enterococcus , bacteria , genetics , staphylococcus aureus , escherichia coli , antibiotics , gene

Five VanN-type vancomycin-resistantEnterococcus faecium strains were isolated from a sample of domestic chicken meat in Japan. All isolates showed low-level resistance to vancomycin (MIC, 12 mg/liter) and had the same pulsed-field gel electrophoresis profile. The vancomycin resistance was encoded on a large plasmid (160 kbp) and was expressed constitutively. The VanN-type resistance operon was identical to the first resistance operon to be reported, with the exception of a 1-bp deletion invanTN and a 1-bp substitution invanSN .

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