نتایج جستجو برای: pseudomonas reactans
تعداد نتایج: 53101 فیلتر نتایج به سال:
An intragenic probe derived from the multidrug resistance gene oprM hybridized with genomic DNA from all 20 serotypes of Pseudomonas aeruginosa and from all 34 environmental and clinical isolates tested, indicating that the MexA-MexB-OprM multidrug efflux system is highly conserved in this organism. The oprM probe also hybridized with genomic DNA from Pseudomonas aureofaciens, Pseudomonas chlor...
با توجه به اهمیت بیماری بلاست مرکبات در شمال کشور و خسارت شدیدی که برخی از سال ها به اندام های رویشی و زایشی وارد می کند، بررسی بیماری و عامل آن ضروری به نظر می رسد. به منظور بررسی تنوع باکتری عامل طی سال های 1385-1387 از بافت های دارای علائم بلاست در باغات مختلف مرکبات اطراف ساری، نمونه برداری انجام گرفت. با کشت نمونه ها بر روی آگار مغذی 63 جدایه انتخاب و آزمون های تکمیلی بر روی آنها انجام گرف...
حذف جیوه در باکتری های مقاوم به آن از طریق احیای جیوه از فرم یونی به عنصری با واسطه آنزیمی رخ می دهد همچنین احیای جیوه از ترکیبات آلی نیز با کمک آنزیم خاص خود صورت می گیرد. در پژوهش حاضر توانایی باکتری های جداسازی شده از آب و رسوب خور موسی در منطقه ماهشهر و مجاورت پتروشیمی بندر امام خمینی، برای مقاومت به جیوه مورد آزمون قرار گرفت. پس از کشت و خالص سازی باکتری ها در محیط swna، جداسازی dna باکتری...
Background and Objective: Pseudomonas aeruginosa is a causative agent of nosocomial infections. Metallo-beta-lactamases (MBLs) are considered among the most crucial resistant agents of Pseudomonas aeruginosa to carbapenem. Because of the important role of carbapenemes in the treatment of Pseudomonas infections, in this study, the Pseudomonas aeruginosa producing metallo-beta-lactamases were inv...
In cystic fibrosis (CF) patients, chronic airway infection by Pseudomonas leads to progressive lung destruction ultimately requiring lung transplantation (LT). Following LT, CF-adapted Pseudomonas strains, potentially originating from the sinuses, may seed the allograft leading to infections and reduced allograft survival. We investigated whether CF-adapted Pseudomonas populations invade the do...
The production of the soluble cytochrome oxidase/nitrite reductase in the bacterium Pseudomonas aeruginosa is favoured by anaerobic conditions and the presence of KNO3(20g/l) in the culture medium. Of three methods commonly used for the disruption of bacterial suspensions (ultrasonication, liquid-shear homogenization and glass-bead grinding), sonication proved the most efficient in releasing th...
to study the effect of chemical and biological fertilizers on growth and essential oil content of lavender (lavandula angustifolia mill.), the present work was conducted in 2012-2013 at the experimental field of alborz research station of the research institute of forests and rangelands, karaj, iran. the experiment was conducted in factorial in the form of a randomized complete block design wit...
nosocomial infection is an important prognostic factor in out comes of burned patients. in this descriptive cross. sectional study, 82 burned patients and related medical equipment were assessed in zareh hospital in 2033-2004. pseudomonas aeruginosa and staphylococcus areus were found in 69(51.4%) and 31 (23.2%) of 134 clinical specimens respectively. hence it is mandatory to plan programs for ...
results analysis by xrd showed 78.1% zno (sized 24 nm), 2.5% zn (sized 44.88 nm) and 4.8% zns (sized 12 nm) produced by p. stutzeri. the nanoparticles showed anti-bacterial activity against some of the gram positive and negative bacteria. in addition, the nanoparticles showed magnetic properties. the best condition for nano zinc production was at ph 7, in the light and at 37 °c. czcc gene with ...
background and objectives: lipases are particularly important due to the fact that they specifically hydrolyze acyl glycerol, oils and greases, which is of great interest for different industrial applications. materialst and methods : in this study, several lipase-producing bacteria were isolated from wastewater of an oil processing plant. the strain possessing the highest lipase activity was i...
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