Distinct Antimicrobial Resistance Profiling Of Clinically Important Aeromonas Spp. In Southwest China: A Seven-Year Surveillance Study

Source: Infection and Drug Resistance - Category: Infectious Diseases Tags: Infection and Drug Resistance Source Type: research

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In conclusion, fish Aeromonas isolates carry a variety of combinations of virulence and ß-lactamase resistance genes and exhibit virulence phenotypes and antimicrobial resistance profiles similar to those of clinical isolates.IMPORTANCE Aeromonas species can cause severe infections in immunocompromised individuals upon exposure to virulent pathogens in the environment, but the characteristics of environmental Aeromonas species remain unclear. Our study showed several pathogenic Aeromonas species possessing virulence traits and antimicrobial resistance similar to those of Aeromonas isolates causing clinical diseases w...
Source: Applied and Environmental Microbiology - Category: Microbiology Authors: Tags: Appl Environ Microbiol Source Type: research
Conclusions In conclusion, this investigation indicated that citral attenuated multiple virulence factors of V. parahaemolyticus, including QS, motility, biofilm formation, the adhesion to Caco-2 cells, and repressed the expression of genes related to flagella (polar and lateral), biofilm and T3SS1 effectors, virulence regulators (luxS, aphA and toxR), and AMP resistance. The results obtained in this work demonstrate the inhibitory effect of citral on virulence factors of V. parahaemolyticus. However, the data reported in this study only demonstrate the anti-virulence effect of citral in vitro. Further research is needed ...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Conclusion This study revealed that Enterococcus species with biofilm potentials and extracellular virulence properties extensively occur in retail RTE shrimps. A significant number of isolated strains are resistant to antibiotics and harbor resistant and virulent genes, denoting a significant route of resistance and virulence dissemination to bacteria in humans. There is an inadequate understanding of the intricacies of antibiotic-resistant enterococci of food origin that belong to enterococci aside from E. faecium and E. faecalis. Findings from this study reveal detailed antibiotic resistance of E. durans, E. casselifla...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Conclusion The present results demonstrated that Chilean salmon farms play an important role as reservoirs of sulfonamide- and trimethoprim-resistant bacteria. The prevalence of conjugative plasmids and integrons among sul-carrying bacteria suggests these bacteria, mainly belonging to the Pseudomonas genus may contribute to high spread of bacterial resistance to sulfonamides and other antibacterials in environments associated with Chilean salmon farms. This is the first study reporting the occurrence of transferable sul and dfr genes and integrons among the antimicrobial resistant bacteria associated with Chilean salmonid...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Conclusion In conclusion, aqueous extracts of C. ferruginea leaves showed antimicrobial activity due to the presence of hydroquinone and caffeic acid methyl ester. This supports its traditional use for infections and confirmed that the active molecules are water-soluble. Author Contributions KK, SP, LVP, and WL conceived and designed the experiments. SP, KK, M-RY, and J-GL performed the experiments. SP, LVP, WL, M-RY, J-GL, and Z-HJ analyzed the data. WL and Z-HJ contributed reagents, materials, and analysis tools. KK, SP, WL, M-RY, Z-HJ, and LVP contributed to the writing of the manuscript. All authors contributed to m...
Source: Frontiers in Microbiology - Category: Microbiology Source Type: research
Canadian Journal of Microbiology, e-First Articles. To evaluate the overuse of antibiotics and to identify the origin of pathogens in the ornamental fish industry, we conducted a field investigation of three representative fish farms in Liaoning province, China. Drug-resistant pathogens in the fishponds and groundwater were isolated and subtyped by multilocus sequence typing (MLST). In total, 33 pathogenic strains, including Aeromonas veronii and five other pathogens, were isolated from diseased fish and from groundwater. MLST revealed that A. veronii obtained from diseased fish in three fish farms can be subtyped into fou...
Source: Canadian Journal of Microbiology - Category: Microbiology Authors: Source Type: research
ConclusionsClinton River water contains isolates with ESBL genes identical to clinical isolates and possessing virulence properties, thus it could be a potential reservoir in causing human infections.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
Clinical characteristics (taxonomy, virulence genes and antimicrobial resistance ) of Aeromonas in isolated from extra-intestinal and intestinal infections were investigated to describe epidemiology, associated v...
Source: BMC Infectious Diseases - Category: Infectious Diseases Authors: Tags: Research article Source Type: research
In conclusion, chicken meat and water were tainted withAeromonas spp., with a high occurrence ofA.  hydrophila. MALDI ‐TOF MS is a powerful technique for characterizing aeromonads at the genus and species levels. Future studies should investigate the resistance ofA.  hydrophila to various antimicrobial agents.
Source: MicrobiologyOpen - Category: Microbiology Authors: Tags: ORIGINAL ARTICLE Source Type: research
ConclusionsTogether, our study demonstrates the presence of ESBL bacteria in CRW which has sequence similarities with clinical isolates and possesses virulence properties, indicating the CRW could be a potential reservoir in causing human infections.
Source: Journal of Global Antimicrobial Resistance - Category: Infectious Diseases Source Type: research
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