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Complete Sequencing of Plasmids Containing bla OXA-163 and bla OXA-48 in Escherichia coli Sequence Type 131
Author(s) -
Nicole Stoesser,
Anna E. Sheppard,
Gisele Peirano,
Robert Sebra,
Tarah Lynch,
Luke Anson,
Andrew Kasarskis,
Mary Motyl,
Derrick W. Crook,
Johann Pitout
Publication year - 2016
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.01130-16
Subject(s) - plasmid , escherichia coli , biology , genetics , gene , lineage (genetic) , enterobacteriaceae , sequence (biology) , sequence analysis
OXA-48-like enzymes have emerged as important extended-spectrum β-lactamases/carbapenemases in Escherichia coli sequence type 131 (ST131). We report the structures of the first fully sequenced bla OXA-163 plasmid and of two other bla OXA-48 plasmids in this lineage. bla OXA-163 was located on a 71-kb IncN plasmid with other resistance genes. bla OXA-48 was present on IncL/M plasmids, genetically similar to other bla OXA-48 plasmid sequences, and consistent with interspecies/interlineage spread. The presence of bla OXA-48-like genes on epidemic plasmids in ST131 is of concern.

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