conclusions the results showed that enterococci are common contaminants in food. indeed, this study indicates a high prevalence of multidrug-resistant enterococci in food of animal origin in iran. isolating some persisting enterococcal isolates revealed that continuous surveillance of antimicrobial resistance in enterococci from food is essential. materials and methods thirty samples of meat, c...

Josamycin, a new macrolide antibiotic, was compared with ampicillin, erythromycin, and clindamycin in vitro against 25 isolates each of pneumococci, enterococci, Staphylococcus aureus, S. epidermidis, and nonenterococcal hemolytic streptococci and against 25 anaerobes including 10 Bacteroides fragilis. Minimal inhibitory concentration and minimal bactericidal concentration data were obtained fo...

The in vitro susceptibility of 113 strains of Neisseria gonorrhoeae to spectinomycin was determined by the broth dilution method and was compared with their susceptibility to penicillin and ampicillin. All strains demonstrated a susceptibility to spectinomycin in a range between 2.5 and 20 mug/ml; 96% of these strains were susceptible in a range from 5 to 10 mug/ml. The same strains were suscep...

Antimicrobial activity of different parts of Croccus sativus L. (saffron) including stigma, stamen, leaves and colora, extracted by various solvents, were tested against different bacteria (Microccucos luteus, Staphylococcus epidermitis, Staphylococcus aureus and E. coli) and fungi (Candida albicans, Aspergillus niger and Cladospourium sp) by cup plate diffusion method. Minimal Inhibitory Conce...

objective: aflatoxin is important in the food industry, in animal husbandry and the medical area; there are enormous negative economic impacts due to this toxin. numerous studies have researched extracts and plant compounds with the intent to reduce the growth of aflatoxin-producing organisms, inhibit toxin production and suppress the major toxin encoded genes (i.e., aflr) in these organisms. l...

10 Antimicrobial efficacy is traditionally described by a single value, the minimal inhibitory concentration (MIC), which lowest that prevents visible growth of bacterial population. As consequence, bacteria are classically qualitatively categorized as resistant if therapeutic concentrations below MIC and susceptible otherwise. However, there continuity in space resistance levels. Here, we intr...

Cell line cytotoxicity assays have become increasingly popular approaches for genetic and genomic studies of differential cytotoxic response. There are an increasing number of success stories, but relatively little evaluation of the statistical approaches used in such studies. In the vast majority of these studies, concentration response is summarized using curve-fitting approaches, and then su...

antimicrobial activity of different parts of croccus sativus l. (saffron) including stigma, stamen, leaves and colora, extracted by various solvents, were tested against different bacteria (microccucos luteus, staphylococcus epidermitis, staphylococcus aureus and e. coli) and fungi (candida albicans, aspergillus niger and cladospourium sp) by cup plate diffusion method. minimal inhibitory conce...