Characterization of a carbapenem- and colistin-resistant Enterobacter cloacae carrying Tn 6901 in bla NDM-1 genomic context

We report a clinical strain of , PIMB10EC27, isolated in Vietnam in 2010 that was resistant to 21 of 26 tested antibiotics, including carbapenems (MICs >64 µg/mL) and colistin (MIC >128 µg/mL). The complete genome of strain PIMB10EC27 was sequenced by PacBio RSII and the Illumina Miseq system....

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Bibliographic Details
Published in:Infection and drug resistance 2019-04, Vol.12, p.733-739
Main Authors: Le-Ha, Tam-Duong, Le, Lien, Le-Vo, Hong-Ngoc, Anda, Mizue, Motooka, Daisuke, Nakamura, Shota, Tran, Linh Khanh, Tran, Phuong Thi-Bich, Iida, Tetsuya, Cao, Van
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Language:English
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Summary:We report a clinical strain of , PIMB10EC27, isolated in Vietnam in 2010 that was resistant to 21 of 26 tested antibiotics, including carbapenems (MICs >64 µg/mL) and colistin (MIC >128 µg/mL). The complete genome of strain PIMB10EC27 was sequenced by PacBio RSII and the Illumina Miseq system. Whole-genome analysis revealed that PIMB10EC27 contains a chromosome of the ST513 group (PIMBEC27, length 5,272,177 bp) and two plasmids, pEC27-1 of the IncX3 group (length 62,470 bp) and pEC27-2 of the IncHI1 group (length 84,602 bp). It also revealed that strain PIMB10EC27 carries 15 genes that confer resistance to at least 10 antibiotic groups. Particularly, the insertion of IS and Tn into the genomic context of was first identified and described. In another context, amino acid mutations G273D in PmrB and F515S in PmrC were first identified on the chromosome of PIMB10EC27, which may confer resistance to colistin in this strain.
ISSN:1178-6973
1178-6973
DOI:10.2147/IDR.S194495