نتایج جستجو برای: antibiotic susceptibility
تعداد نتایج: 205986 فیلتر نتایج به سال:
BACKGROUND Antibiotic exposure rapidly selects for more resistant bacterial strains, and both a drug's chemical structure and a bacterium's cellular network affect the types of mutations acquired. METHODOLOGY/PRINCIPAL FINDINGS To better characterize the genetic determinants of antibiotic susceptibility, we exposed a transposon-mutagenized library of Escherichia coli to each of 17 antibiotics...
BACKGROUND More than 50 years after the discovery of antibiotics, bacterial infections have decreased substantially; however, antibiotics also may have negative effects such as increasing susceptibility to pathogens. An intact microbiome is an important line of defense against pathogens. We sought to determine the effect of orally administered antibiotics both on susceptibility to pathogens and...
ABSTRACT Background and Objective: One of the main tasks of clinical microbiology laboratories is to determine antibiotic resistance profiles in common pathogens and ensure the selection of effective antibiotics for certain infections. The aim of this study was to compare the methods of disk diffusion, broth microdilution and modified Hodge test i...
Background and Objective: Early diagnosis of Streptococcus agalactiae remains difficult, since symptoms are very nonspecific. Its frequency has not been completely investigated in urinary tract pathogen of pregnant ant and non pregnant women in Iran. The aim of this study was determining the frequency of Group B Streptococci in female patients. Materials and Met...
Background and Objective: One of the most common bacterial infections in the children is urinary tract infection (UTI) that its early diagnosis and proper treatment has high importance and analysis of typing and antibiotic resistance of isolated bacteria from urine of children with different sex and ages can help empirical therapy of UTI before preparing lab data. Materials and Methods: The da...
BACKGROUND Urinary tract infections (UTIs) are one of the most common infections treated in ambulatory care settings, however the epidemiology differs by age and sex. The incidence of UTI is far greater in females than males, and infection in pediatric patients is more often due to anatomical abnormalities. The purpose of this research was to describe age- and sex-specific trends in antibiotic ...
BACKGROUND It was previously reported that there is a positive correlation between incidence of type 1 diabetes and prevalence of asthma and atopic eczema. A negative correlation between the prevalence of type 1 diabetes and mortality from infectious diseases as well as a positive correlation with antibiotic susceptibility at a country level have also been reported. OBJECTIVE The aim of this ...
background: enterococci are members of the normal gut flora and released into the environment via sewage outlets, where they can survive for long times. infections with high-level gentamicin resistant (hlgr) enterococci are emerging worldwide. hlgr enterococci have developed a resistance to most antibiotics commonly used for enterococcal infections therefore; treatment of infections caused b...
introduction: this study is aimed to compare phenotypic test methods and determine antibiotic susceptibility pattern of ampc beta-lactamase producing uropathogenic escherichia coli and klebsiella pneumoniae in clinical isolates. method: e. coli and k. pneumoniae were identified by standard microbiological procedures. screening of ampc beta-lactamase production was done by using cefoxitin disc (...
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