نتایج جستجو برای: biofilm

تعداد نتایج: 23722  

Journal: :archives of clinical infectious diseases 0
yaser fattahian department of biology, shahed university, tehran, ir iran iraj rasooli department of biology, shahed university, tehran, ir iran; department of biology, shahed university, tehran, ir iran seyed latif mousavi gargari department of biology, shahed university, tehran, ir iran gunnar sandström karolinska institutet and karolinska, university hospital, huddinge, department of laboratory medicine, division of clinical microbiology, stockholm, sweden mohammad reza rahbar molecular diagnosis department, saadati pathobiology laboratory, shiraz, ir iran jafar amani applied biotechnology research center, baqiyatallah medical science university, tehran, ir iran

conclusions adsorption of antibodies to bap might interfere with bacterial adhesion to the surface. these antibodies were found to be potent biofilm inhibitors. results injection of bap subunit resulted in high titers of antibody. immunized mice serum had significant (p< 0.001) inhibitory effect on biofilm formation. in vitro inhibition of biofilm formation by a. baumannii was studied at 1:50 c...

Journal: :reports of biochemistry and molecular biology 0
omid azizi department of microbiology and virology, kerman university of medical sciences, kerman, iran fereshteh shahcheraghi department of bacteriology, pasteur institute of iran, tehran, iran himen salimizand department of microbiology and virology, kurdistan university of medical sciences, kurdistan, iran farzan modarresi department of microbiology, school of medicine, jahrom university of medical sciences, jahrom, iran mohammad reza shakibaie tel: +98 9133408226; fax: +98 34 33221671 shahla mansouri department of microbiology and virology, kerman university of medical sciences, kerman, iran

background: acinetobacter baumannii is commonly resistant to nearly all antibiotics due to presence of antibiotic resistance genes and biofilm formation. in this study we determined the presence of certain antibiotic-resistance genes associated with biofilm production and the influence of low iron concentration on expression of the biofilm-associated protein gene (bap) in development of biofilm...

P. aeruginosa has been mentioned as the major causative agents of nosocomial infections. Pseudomonas infections are often serious and show different resistance to treatment due to distribution of antimicrobial resistance. Meanwhile, some strains are also able to form biofilm during contamination, which help bacteria to be even more persisyant to yreatment. We examined the antibiotic resistance ...

Journal: :jundishapur journal of microbiology 0
zeinab mohsenipour associate professor of microbiology. department of biology, faculty of science, shahid bahonar university of kerman, kerman, ir iran mehdi hassanshahian associate professor of microbiology. department of biology, faculty of science, shahid bahonar university of kerman, kerman, ir iran; associate professor of microbiology. department of biology, faculty of science, shahid bahonar university of kerman, kerman, ir iran. tel: +98-9132906971, fax: +98-3222032

conclusions the results of this study suggest that e. hebecarpa extracts can be used to inhibit the planktonic and biofilm forms of these selected bacteria. objectives in an effort to combat these industrial and medical bacterial biofilm problems, our study aims to determine the antimicrobial effect of euphorbia hebecarpa. materials and methods the inhibition efficiency of alcoholic extracts on...

Journal: :current medical mycology 0
zeinab sadeghi ardestani department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran mehraban falahati department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran sharareh sayah alborzi department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran mahtab ashrafi khozani department of medical parasitology and mycology, school of medicine, iran university of medical sciences, tehran, iran fatemeh rostam khani department of prosthodontics, dental school, shahid beheshti university of medical sciences, tehran, iran abbas bahador department of microbiology, school of medicine, tehran university of medical sciences, tehran, iran

background and purpose: in people wearing dentures, the growth of various candida species under the prosthesis leads to the formation of biofilm, which can play the role of a reservoir for candida and other kinds of microbes. since nano-chitosan particles can cause lasting antimicrobial activity, a more recent approach that utilizes acrylic resins with nano-chitosan particles is proposed. there...

Journal: :jundishapur journal of microbiology 0
saba rehman department of microbiology and molecular genetics, quaid-e-azam campus, university of the punjab, lahore, pakistan; department of microbiology and molecular genetics, the women university multan, multan, pakistan shahbaz mujtaba ghauri department of ear, nose and throat, mayo hospital, king edward medical university, lahore, pakistan anjum nasim sabri department of microbiology and molecular genetics, quaid-e-azam campus, university of the punjab, lahore, pakistan; department of microbiology and molecular genetics, quaid-e-azam campus, university of the punjab, lahore-54590, pakistan. tel: +92-4235952833, fax: +92-4299230481

conclusions the bacterial isolates exhibited strong biofilm formation potential, while the extracts of acacia arabica significantly inhibited biofilm formation among the isolates and, therefore, could be executed in the development of cost-effective biofilm inhibitor medicines. results pseudomonas aeruginosa (kc417303-05), staphylococcus hemolyticus (kc417306), and staphylococcus hominis (kc417...

ژورنال: پژوهش در پزشکی 2023

Background and purpose:Staphylococcus epidermidis is an opportunistic pathogen that is involved in the development of infections associated with the use of implants and medical devices. Biofilm formation is one of the most important virulence factors of this microorganism, which vastly depends on various factors, including different proteins. In the present study, the expression levels of three...

Journal: :iranian journal of microbiology 0
ramachandranpillai rajagopal department of veterinary microbiology, college of veterinary and animal sciences, mannuthy, thrissur, kerala, india, 680 651. govindapillai-krishnan nair department of veterinary microbiology, college of veterinary and animal sciences, mannuthy, thrissur, kerala, india, 680 651. mangattumuruppel mini department of veterinary microbiology, college of veterinary and animal sciences, mannuthy, thrissur, kerala, india, 680 651. leo joseph kerala agricultural university poultry farm, college of veterinary and animal sciences, mannuthy, thrissur, kerala, india, 680 651. mapranath-raghavan saseendranath department of preventive medicine and veterinary epidemiology, college of veterinary &amp; animal sciences, mannuthy, thrissur, kerala, india. 680 651. koshy john department of veterinary microbiology, college of veterinary and animal sciences, pookot, lakkidi p.o., wayanad, kerala, india - 673 576.

background and objectives: biofilms are structural communities of bacterial cells enshrined in a self produced polymeric matrix. the studies on biofilm formation of pasteurella multocida have become imperative since it is a respiratory pathogen and its biofilm mode could possibly be one of its virulence factors for survival inside a host. the present study describes a biofilm assay for p. multo...

Journal: :کنترل بیولوژیک آفات و بیماری های گیاهی 0
مریم خضری استادیار گروه گیاه پزشکی، دانشکدة کشاورزی، دانشگاه ارومیه

biofilm formation in bacteria is an important survival strategy. biofilm of probiotic bacillus subtilis consist of long chains of cells that are covered by a polymeric matrix of exopolysaccharides. this bacterium is known as one of the most effective biocontrol agents against plant pathogens and has a high ability in biofilm formation. this study was aimed to investigate the effect of some envi...

Journal: :iranian journal of public health 0
r yazdani m oshaghi a havayi e pishva r salehi m sadeghizadeh

wound infections are a common cause of staphylococcal infections. an ability of s.aureus is to adhere and form biofilm on host surfaces. biofilm is an exopolysaccharide, a slime matrix around multiple layers of cells and is mediated by expression of the icaadbc operon. the present study evaluated the biofilm forming capacity and the presence of icaad gene among s.aureus isolated from wound infe...

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