نتایج جستجو برای: growth inhibition
تعداد نتایج: 1083371 فیلتر نتایج به سال:
saprolegnia is one of? the? ?most important agents decreasing the eggs survival rate in sturgeon hatcheries. there are some chemical substances for controlling the fungal infection of eggs. in this study, an attempt was made to introduce a ?germ negative bacterium, pseudomonas aeroginosa (ptcc1430)(persian type culture collection) as a biocontrol??ling agent of? ?water mold. saprolegnia was iso...
Background and Objective: Since the preparation of antibacterial materials in dentistry is very noticeable, therefore, we tried to evaluate this effect on Streptococcus mutans by addition of silica nanoparticles to LCGI (light curing glass ionomer). Materials and Methods: In this in vitro study, we had five LCGI experimental groups that contained 0, 0.2, 0.5, 1, and 2% (w/w) of silica nanopa...
in order to detect hydrogen cyanide gene and to determine pseudomonas fluorescent efficiency in producing hydrogen cyanide for controlling the growth of rhizoctonia solanipathogen (the causal agent of sugar beet root and crown rot), samples were collected from sugar beet rhizosphere in sabzevar fields. after soil sampling and purification, 31 pseudomonas spp. isolates were separated on specific...
Many plants play important role in pharmaceutical, food, medicine and cosmetic industries for their volatile oils. Numerous studies have been carried out on various plant species and effect of their essential oils or extracts on microorganisms. In the present study antibacterial effect of Iranian thyme on two pathogens of E.coli and S.aure...
conclusions allicin vapor, or some decomposition product of allicin, causes inhibition of bacterial growth and biofilm formation. parallel enzymatic studies confirmed this inhibitory effect and suggest that sulfhydryl enzymes are involved in biofilm formation in the strain studied. results an inhibition effect was observed both in the bacterial cultures and the enzymatic solutions, and the exte...
Saprolegnia is one of? the? ?most important agents decreasing the eggs survival rate in sturgeon hatcheries. There are some chemical substances for controlling the fungal infection of eggs. In this study, an attempt was made to introduce a ?germ negative bacterium, Pseudomonas aeroginosa (PTCC1430)(Persian Type Culture Collection) as a biocontrol??ling agent of? ?water mold. Saprolegnia was...
The effect of onion and garlic extracts on fungal growth and keratinolytic activity was studied in Trichophyton mentagrophytes as one of the major etiologic agents of human and animal dermatophytosis in Iran and other parts of the world. In order to find out the best keratinase producer for further steps, culture conditions for 30 strains of T. mentagrophytes isolated from human dermatophytosis...
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