response to the 0 antigen of Escherichia coli has been well characterized, little information is available on the immune response to K anigen. Experimental hematogenous pyelonephritis was produced with Escherichia coli 06 K13 HI and the serum and local (intrarenal) antibody response to 0 and K antigens was determined with the enzyme-linked immunosorbent assay. Both local and serum antibody resp...

patients and methods in this cross-sectional study, a total of 250 isolates (134 e. coli and 116 k. pneumoniae) were collected and antimicrobial resistances to ampicillin, amoxicillin-clavulanic acid, amikacin, gentamycin, ceftriaxone, ceftazidime, ciprofloxacin and imipenem were evaluated by disc diffusion method and confirmed by e-test. moreover, risk factors for mdr e. coli and k. pneumoniae...

conclusions etec and eaggec were the most detected e. coli among stool and uti samples, emphasizing the need to dedicate more health care attention to this group. in addition, our phylogenetic study may be helpful in figuring out the infection origin and for epidemiological studies. nonetheless, more research studies with larger sample sizes are suggested for confirming our results. results ove...

enterohemorrhagic escherichia coli (ehec) of the o157:h7 serotype is a worldwide zoonotic pathogen responsible for the majority of severe cases of human ehec disease. the aim of the present study was to investigate the prevalence of e. coli o157: h7/nm in raw meat samples from two provinces of iran. during a period from march 2010 to march 2011. two hundred and ninety five raw meat samples were...