BACKGROUND Acinetobacter baumannii plays an important role in some types of nosocomial infections as an opportunist microorganism which increases levels of resistance to antibacterial drugs and disinfectants. OBJECTIVES The aim of this study was to determine the resistance and sensitivity of A. baumannii to different antibiotics and evaluate the minimal inhibitory concentration (MIC) for Cipr...

We investigated the mechanisms of resistance to carbapenems, aminoglycosides, glycylcyclines, tetracyclines, and quinolones in 90 multiresistant clinical strains of Acinetobacter baumannii isolated from two genetically unrelated A. baumannii clones: clone PFGE-ROC-1 (53 strains producing the OXA-58 β-lactamase enzyme and 18 strains with the OXA-24 β-lactamase) and clone PFGE-HUI-1 (19 strains s...

In this study, molecular characterization of antimicrobial resistance of 116 Yersinia ruckeri strains isolated from rainbow trout (Oncorhynchus mykiss) with enteric redmouth disease (ERM) in commercial fish farms in the Northern and Eastern regions of Turkey was performed. The putative Y. ruckeri strains isolated were confirmed by PCR assays specific to the 16S rRNA gene of bacterium Y. ruckeri...

Grassland-based production systems use ∼26% of land surface on earth. However, there are no evaluations of these systems as a source of antibiotic pollution. This study was conducted to evaluate the presence, diversity, and distribution of tetracycline resistance genes in the grasslands of the Colombian Andes, where administration of antibiotics to animals is limited to treat disease and growth...

BACKGROUND Acute infectious diarrhea is one of the most important causes of morbidity and mortality worldwide. OBJECTIVES The objective of this study was to characterize antimicrobial resistant diarrheagenic Escherichia coli strains isolated from diarrheic children in Tehran, IR Iran. PATIENTS AND METHODS In total, 550 stool samples from diarrheic pediatric patients, aged less than 60 month...

conclusions tetracycline resistance is widespread among uropathogenic e. coli isolates from human infections. moreover, the distribution of tetracycline resistance determinants among the studied e. coli was very similar to the findings of the international sourced gallery of clinical e. coli strains. background uropathogenic escherichia coli is one of the most prevalent infectious agents in hum...

results the k. pneumonia isolates were resistant to erythromycin (70%), cefixime (53.3%), tetracycline (50%) and ceftazidime (36.6%). the amplification of teta and tetb genes of k. pneumonia revealed that all of the isolates harbored these genes. conclusions resistance to tetracycline and other antibiotics, and the presence of various resistance genes in k. pneumonia strains are alarming signs ...

Background: Shigella spp. are gram negative bacteria, which are of global public health importance. The growing of multidrug-resistant Shigella isolates are a major problemaround the world. Methods: Overall, 50 isolates of Shigella spp. from children diarrheic stools w...