Distinct Mechanisms of Dissemination of NDM-1 Metallo-β-Lactamase in <i>Acinetobacter</i> Species in Argentina
Mark D. Adams, Fernando Pasterán, Germán M. Traglia, Jasmine Martinez, Fanny Huang, Christine Liu, Jennifer S. Fernandez, Carolina López, Lisandro J. González, Ezequiel Albornoz, Alejandra Corso, Alejandro J. Vila, Robert A. Bonomo, María Soledad Ramirez
Abstract
A 4-year surveillance of carbapenem-resistant Acinetobacter spp. isolates in Argentina identified 40 strains carrying bla NDM-1 . Genome sequencing revealed that most were Acinetobacter baumannii , whereas seven represented other Acinetobacter spp. The A. baumannii genomes were closely related, suggesting recent spread. bla NDM-1 was located in the chromosome of A. baumannii strains and on a plasmid in non- A. baumannii strains.
Topics & Concepts
Acinetobacter baumanniiAcinetobacterBiologyMicrobiologyPlasmidGenomeChromosomeCarbapenemGeneticsBacteriaGeneAntibioticsPseudomonas aeruginosaAntibiotic Resistance in BacteriaBacterial biofilms and quorum sensingVibrio bacteria research studies