نتایج جستجو برای: ecoli bacteriophage
تعداد نتایج: 37567 فیلتر نتایج به سال:
In this paper, a new model, addressing the Associative Reinforcement Learning (ARL) problem, based on learning automata and self organizing map is proposed. The model consists of two layers. The First layer comprised of a SOM which is utilized to quantize the state (context) space and the second layer contains of a team of learning automata which is used to select an optimal action in each stat...
Background: Nowadays, due to the emergence of drug resistance to antibiotics, a good alternative to drugs should be found. Bacteriophages are viruses that play a very important role in the destruction of bacteria. Because of their specific properties, bacteriophages can be considered as suitable substitutes for antibiotics in the treatment of infectious diseases. The aim of this study was to is...
زمینه اهداف: تولید و شناسایی پروتئین اتصالی پری پلاسمی انتقال دهنده ویتامین b12) btub) از باکتری ای کولی o157:h7. روش بررسی: ژن کد کننده btub که مسئول تولید پروتئین انتقال دهنده ویتامین b12 است با موفقیت تکثیرگردید. این ژن با حذف کدون خاتمه به وکتور pet 28)a)+ اضافه شد تا his-tag از طریق وکتور به پروتئین اضافه شد. بعد از تنسفورم سازه در (de3 (bl21 ،القا سلول با iptg ،انالیز sds- page کل پروتئین...
The present study was focused on the pathosystem pepper plants (Capsicum annuum L.)-phytopathogenic bacterium X. euvesicatoria (wild strain 269p)-bacteriophage BsXeu269p/3 and possibility of bacteriophage-mediated biocontrol disease. Two new model systems were designed for monitoring effect phage treatment infectious process in vivo. spread bacteriophage pathogen monitored by qPCR. A pair prime...
Background and purpose: Activation-induced cytidine deaminase (AID) is a B-cell specific enzyme responsible for somatic hypermutation (SHM) and class switch recombination (CSR) of antibody genes within the B-cell follicle of peripheral lymphoid organs. Ectopic overexpression of the enzyme leads to mutations in non-B cells and Escherichia coli (E.coli) genes. However, induction of mutations in E...
تولید یک پلی مراز مقاوم به حرارت و خطادار در باکتری ecoli و تخلیص آن در جهت استفاده در فراینهایی مثل pcr خطادار
conclusions according to the results, six strains were resistant to six or seven antibiotics and all strains were at least resistant to two antibiotics. however, for each of these resistant bacteria one bacteriophage was isolated from environmental samples, which showed the effectiveness of bacteriophages to remove clinically resistant e. coli strains. effective phages in vitro showed effective...
background: escherichia coli (ecoli) has been considered as the most common agent of urinary tract infection in all regions. recently, increased drug resistance has been lead to some problems in treatment related diseases. so, evaluation of resistance patterns of bacteria in each region could be a valuable guide for empirical treatment. methods: all referred urine sample to kermanshah central l...
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