DOI: 10.1128/AAC.00510-20
ABSTRACT
The blaIMI gene is rarely detected outside the Enterobacter genus. Genomic characterization of 87 blaIMI-positive Enterobacter cloacae complex members revealed that the largest phylogenomic clade was made up of E. cloacae subsp. cloacae (71.3%), followed by the newly described species E. bugandensis (13.8%), E. sichuanensis (10.3%), and E. roggenkampii (4.6%). IMI-1 was the predominant carbapenemase variant (86/87, 98.9%). All the blaIMI genes were associated with chromosomally integrated Xer-dependent integrative mobile elements (IMEXs), with two new variants detected.
FOOTNOTES
- Received 17 March 2020.
- Returned for modification 21 April 2020.
- Accepted 23 May 2020.
- Accepted manuscript posted online 1 June 2020.
Supplemental material is available online only.
- Copyright © 2020 American Society for Microbiology.
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