نتایج جستجو برای: biofilm.
تعداد نتایج: 23722 فیلتر نتایج به سال:
Background & Aims: Salmonella Typhimurium is among the most important food-borne disease. This study was conducted to investigate the anti-biofilm effect of the S. Typhimurium phage against Salmonella formed in chicken meat model. Materials & Methods: The effects of different phage concentrations (104, 106 and 108 PFU/mL) with two contact times (10 and 20 min) on one and 7 days old biof...
conclusions data reported here indicated that there is no specific genetic combination beyond the quantity of biofilm biomass in s. epidermidis. biofilm biomass seemed to be controlled by rnaiii expression level. further interest should be directed to biofilm dispersal since it seems that the key difference in biofilm biomass ability of s. epidermidis strains relates to factors regulating this ...
Introduction Biofilm can be called a bacterial community that often forms on living or non-living surfaces and is common in natural, industrial, and hospital environments. Klebsiella pneumoniae as a pathogen has the potential to produce biofilms. Understanding biofilm formation in biofilm-forming bacteria is important. The aim of this study was to investigate the biofilm formation in isolates ...
Background and Objective: Microbial biofilms are responsible for 65% of human infections, and are resistance to antibiotics. Pseudomonas aeruginosa is one of the most important biofilm producing bacteria. This review tries to explain the last mechanisms of Pseudomonas aeruginosa biofilm formation, the reasons for its resistance to antimicrobial agents, as well as new preventive measures and a...
introduction: although bacteria producing biofilm are more resistance to antimicrobial agents, biofilm formation can stimulated by sub-minimal inhibitory concentrations (sub-mics) of some antimicrobial agents. therefore, we designed present study to investigate the in vitro efficacy of several antibiotics (including ceftazidime, piperacillin, ticarcillin, carbenicillin, aztreonam, meropenem, g...
Background and Objective: Biofilm formation is an important virulence factor in Staphylococcus aureus. Most infections associated with biofilm of this bacterium are difficult to treat with antibiotics. As yet, a lot of mechanisms have been explained for probiotic yeast functions against bacterial infections, but few studies have been done on their effects on biofilm formation. The aim of this s...
Background and Objective: The role of biofilm formation by bacteria has been considered as an important stage in the pathogenesis of Klebsiella pneumoniae. This pathogen is one of the most important opportunistic pathogen agents of nosocomial infections, such as pneumonia, urinary tract infections, invasive infections, and surgical site infections. This study aimed to investigate the biofilm pr...
Objective(s): The ability of bacteria to produce biofilm and adhesion makes them more resistant to antibiotics. The current study aims to evaluate the biofilm formation by Staphylococcus aureus and to determine the prevalence of adhesion genes, also their correlation with drug resistance.Materials and Methods: A total of 96 MRSA were collected from hospitals of Iran’s western provinces during 2...
Introduction & Objective: Microorganisms form biomass as biofilm in response to many factors, in order to adapt to hostile extracellular environments and biocides. Using different herbal compounds are of those strategies to deal with biofilm. It has been proved that plants extracts such as pomegranate, raspberry and chamomile essential oils have anti-biofilm effects. This study aimed to evalu...
Objective(s): Acinetobacter baumannii has a high propensity to form biofilm and frequently causes medical device-related infections with multiple-drug-resistance in hospitals. The aim of this work is to study antimicrobial resistance and the role of bap and cpaA genes in biofilm formation by A. baumannii to understand how this pathogen persists in the hospital environment. Materials and Methods...
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