Putative Integrative Mobile Elements that exploit the Xer Recombination Machinery Carrying blaIMI-type Carbapenemase Genes in the Enterobacter cloacae complex in Singapore [PublishAheadOfPrint]

Whole genome sequencing was performed on 16 isolates of carbapenemase-producing Enterobacter cloacae complex to determine the flanking regions of bla_IMI-type genes. Phylogenetic analysis of MLST targets separated the isolates into 4 clusters. The bla_IMI-type genes were all found on IMEX elements. The IMEX elements of 5 isolates were similar to those described in Canada, while the remainder were novel. Five isolates had IMEX elements lacking a resolvase and recombinase.

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