Related Experiment Video
Updated: Apr 20, 2026

Characterization of a Pathogenic Escherichia coli Strain Derived from Oreochromis spp. Farms Using Whole-Genome Sequencing
Published on: December 23, 2022
Unusual association of NDM-1 with KPC-2 and armA among Brazilian Enterobacteriaceae isolates
M G Quiles1, T T Rocchetti1, L C Fehlberg1
1Laboratório Especial de Microbiologia Clínica, Departamento de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil.
Abstract:
We report the microbiological characterization of four New Delhi metallo-β-lactamase-1 (blaNDM-1)-producing Enterobacteriaceae isolated in Rio de Janeiro, Brazil. blaNDM-1 was located on a conjugative plasmid and was associated with Klebsiella pneumoniae carbapenemase-2 (blaKPC-2) or aminoglycoside-resistance methylase (armA), a 16S rRNA methylase not previously reported in Brazil, in two distinct strains of Enterobacter cloacae. Our results suggested that the introduction of blaNDM-1 in Brazil has been accompanied by rapid spread, since our isolates showed no genetic relationship.
Related Concept Videos
Clinical Significance of Antibiotic Resistance
Other Unique Bacteria
Bacterial Gastroenteritis
Mechanism of Antibiotic Resistance in MRSA

