Water, Free Full-Text

The inappropriate use of antibiotics, one of the causes of the high incidence of antimicrobial-resistant bacteria isolated from aquatic ecosystems, represents a risk for aquatic organisms and the welfare of humans. This study aimed to determine the antimicrobial resistance rates among riverine Aeromonas spp., taken as representative of the autochthonous microbiota, to evaluate the level of antibacterial resistance in the Tua River (Douro basin). The prevalence and degree of antibiotic resistance was examined using motile aeromonads as a potential indicator of antimicrobial susceptibility for the aquatic environment. Water samples were collected from the middle sector of the river, which is most impacted area by several anthropogenic pressures. Water samples were plated on an Aeromonas-selective agar, with and without antibiotics. The activity of 19 antibiotics was studied against 30 isolates of Aeromonas spp. using the standard agar dilution susceptibility test. Antibiotic resistance rates were fosfomycin (FOS) 83.33%, nalidixic acid (NA) 60%, cefotaxime (CTX) 40%, gentamicin (CN) 26.67%, tobramycin (TOB) 26.67%, cotrimoxazole (SXT) 26.67%, chloramphenicol (C) 16.67%, and tetracycline (TE) 13.33%. Some of the nalidixic acid-resistant strains were susceptible to fluoroquinolones. Multiple resistance was also observed (83.33%). The environmental ubiquity, the natural susceptibility to antimicrobials and the zoonotic potential of Aeromonas spp. make them optimal candidates for studying antimicrobial resistance (AMR) in aquatic ecosystems. Aquatic environments may provide an ideal setting for the acquisition and dissemination of antibiotic resistance because anthropogenic activities frequently impact them. The potential risk of multi- and pan-resistant bacteria transmission between animals and humans should be considered in a “One Health—One World” concept.

Whole House Water Filtration Torrance CA

Ways to save water at home - order your free water saving devices – Almost Off Grid

Water‐Assisted and Catalyst‐Free Hetero‐Michael Additions: Mechanistic Insights from DFT Investigations - ScienceDirect

Maps of the median water total THM (A), BrTHM (B), and free chlorine

Free Vector Editable text effect water, 3d fluid and ocean style

Drink More Water For Good Health Concept Stock Illustration - Download Image Now - Water Bottle, Water, Drinking Glass - iStock

Remote Sensing, Free Full-Text

Solved The figure below shows a trapezoidal container that

14,211 Sparkling Water Symbol Images, Stock Photos, 3D objects, & Vectors

Water drop level icon set from zero to full Vector Image

Family Day at the Lake - City of Graham, NC