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A hemin auxotrophic Enterobacter cloacae clinical isolate with increased resistance to carbapenems and aminoglycosides
Author(s) -
Tatsuya Tada,
Kohei Uechi,
Isamu Nakasone,
Zenji Miyazato,
Takashi Shinzato,
Kayo Shimada,
Mitsuhiro Tsuchiya,
Teruo Kirikae,
Jiro Fujita
Publication year - 2017
Publication title -
journal of medical microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 117
eISSN - 1473-5644
pISSN - 0022-2615
DOI - 10.1099/jmm.0.000655
Subject(s) - enterobacter cloacae , aztreonam , microbiology and biotechnology , hemin , biology , auxotrophy , enterobacter , enterobacteriaceae , cephalosporin , antibiotics , antibiotic resistance , escherichia coli , genetics , gene , imipenem , biochemistry , enzyme , heme
Small-colony variants (SCVs) were obtained from an Enterobacter cloacae clinical isolate in Okinawa, Japan. One variant showed auxotrophy for hemin with a deletion of 20 365 nucleotides, dosC-ydiK-mmuP-mmuM-tauA-tauB-tauC-tauD-hemB-yaiT-yaiV-ampH-yddQ-sbmA-yaiW-yaiY-yaiZ, including hemB, and was more resistant to aminoglycosides and carbapenems, but more susceptible to aztreonam, than the parent strain.

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