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Multiple Copies of qnrA1 on an IncA/C 2 Plasmid Explain Enhanced Quinolone Resistance in an Escherichia coli Mutant
Author(s) -
Laura Vinué,
Mohamad Sater,
Ian Herriott,
Miriam Huntley,
George A. Jacoby,
David C. Hooper
Publication year - 2019
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.00718-19
Subject(s) - plasmid , escherichia coli , minion , mutant , biology , microbiology and biotechnology , enterobacteriaceae , genetics , transposable element , gene , genome , nanopore sequencing
In a previous study, mutants with enhanced ciprofloxacin resistance (Cipr ) were selected fromEscherichia coli J53/pMG252 carryingqnrA1 . Strain J53 Cipr 8-2 showed an increase in the copy number and transcription level ofqnrA1 . We sequenced the plasmids on Illumina and MinION platforms.

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