The variants of polymyxin susceptibility in different species of genus Aeromonas.

ABSTRACT: The aquatic environment is an important medium for the accumulation and dissemination of antibiotic-resistant bacteria as it is often closely related to human activities. Previous studies paid little attention to the prevalence and mechanism of polymyxin-resistant bacteria in the aquatic environment. As a Gram-negative opportunistic pathogen widely distributed in aquatic ecosystems, the antibiotic-resistant profile of Aeromonas spp. deserves much attention. In this study, we identified 61 Aeromonas spp. isolates from water samples in the section of the Yangtze River. The total polymyxin B (PMB) resistance rate of these strains was 49.18% (30/61), showing a high level of polymyxin resistance in Aeromonas spp. The MIC₅₀ and MIC₉₀ for PMB exhibited a

SUBMITTER: Xu L 

PROVIDER: S-EPMC9642839 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature