Made available in DSpace on 2022-05-01T08:15:13Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-08-01; Background: Uropathogenic Escherichia coli (UPEC) are frequent pathogens worldwide, impacting on the morbidity and economic costs associated with antimicrobial treatment. Objectives: We report two novel mutations associated with polymyxin-B resistance in an UPEC isolate collected in 2019. Methods: Isola...