نتایج جستجو برای: bacillus clausii

تعداد نتایج: 56269  

ژورنال: :کومش 0
مجید مقبلی m. moghbeli science and research branch, islamic azad university, tehran, iranدانشگاه آزاد اسلامی، واحد علوم و تحقیقات فریدون ملک زاده f. malekzadeh science and research branch, islamic azad university, tehran, iranدانشگاه آزاد اسلامی، واحد علوم و تحقیقات سیروس زینلی s. zeinali pasteur institute of iran, biotechnology department, tehran, iranانستیتوپاستور ایران، بخش بیوتکنولوژی کاظم پریور k. parivar science and research branch, islamic azad university, tehran, iranدانشگاه آزاد اسلامی، واحد علوم و تحقیقات مهناز مظاهری اسدی m. mazaheri assadi environmental protection agency, tehran, iranسازمان حفاظت محیط زیست ایران

سابقه و هدف: آنتی ژن ایمنی بخش(pa) (protective antigen) bacillus anthracis به عنوان واکسن سیاه زخم مورد استفاده قرار می گیرد. کلون و بیان ژن pa در سویه های مختلف گزارش شده است که بیش ترین بیان، در b. subtilis تا μg/ml 160 بوده است. هدف از این تحقیق کلون کردن ژن pa در ناقل بیان کننده pwb980 و انتقال آن به b. subtilis سویه wb600 می باشد. مواد و روش ها: در این مطالعه پلاسمید pxo1 از b. anthracis س...

Journal: :Letters in applied microbiology 2007
L H Lian B Y Tian R Xiong M Z Zhu J Xu K Q Zhang

AIMS The aim of this study was to investigate the role of proteases in Bacillus spp. of rhizobacteria in suppressing nematode populations and to understand their mechanism of action. METHODS AND RESULTS Rhizobacteria with nematicidal activity were isolated from soil samples of five root knot nematode-infested farms. Among these strains, nematotoxicities of Bacillus strains were intensively an...

Journal: :acta medica iranica 0
houshang gerami department of otolaryngology, head and neck surgery, guilan university of medical sciences, guilan, iran. nasim kousha department of otolaryngology, head and neck surgery, guilan university of medical sciences, guilan, iran.

leprosy is an infectious and non-fatal disease that mainly involved skin and peripheral nervous system and caused by mycobacterium lepra. this case is a 41-year-old woman with intermittent nasal bleeding and a mass (1.5×2.5 cm) in the right side of lateral nasal wall and a (1×1 cm) mass on septum in the left side of the nose. considering the probability of intranasal tumor, endoscopic biopsy fo...

Journal: :jundishapur journal of microbiology 0
marzieh talebi department of biology, science and research branch of islamic azad university, tehran, ir iran giti emtiazi department of biology, faculty of sciences, university of isfahan, isfahan, ir iran; department of biology, faculty of sciences, university of isfahan, p.o. box 117-81744, isfahan, ir iran. tel: +98-3117932457, fax: +98-3117932456 abbas akhavan sepahy department of microbiology, north tehran branch of islamic azad university, tehran, ir iran saeideh zaghian department of biology, faculty of sciences, university of isfahan, isfahan, ir iran

background one group of significant enzymes produced by bacillus genus are alkaline proteases with several important applications in the daily life as well as common industries such as food, detergents, leather, alcohol and beer production and medical and sanitary industries, beside wastewater treatment, , biotransformation, hydrolyzed proteins and oil manufacturing. objectives in this paper, k...

Journal: :jundishapur journal of microbiology 0
saeed zargari department of petroleum engineering, colorado school of mines, colorado, usa amin ramezani department of medical biotechnology, school of advanced medical sciences and technologies, shiraz university of medical sciences, shiraz, ir iran sassan ostvar school of chemical, oregon state university, corvallis oregon, usa rasool rezaei biotechnology institute, shiraz university, shiraz, ir iran ali niazi biotechnology institute, shiraz university, shiraz, ir iran; biotechnology institute, shiraz university, shiraz, ir iran. tel: +98-7116138125, fax: +98- 7112272805 shahab ayatollahi enhanced oil recovery research center, school of engineering, shiraz university, shiraz, ir iran

background petroleum reservoirs have long been known as the hosts of extremophilic microorganisms. some of these microorganisms are known for their potential biotechnological applications, particularly production of extra and intracellular polymers and enzymes. objectives here, 14 petroleum liquid samples from southern iranian oil reservoirs were screened for presence of biosurfactant‐producing...

Journal: :caspian journal of internal medicine 0
ghodratollah maddah abbas abdollahi mehrdad katebi

background: bacillus anthracis may usually cause three forms of anthrax: inhalation, gastrointestinal and cutaneous. the gastrointestinal (gi) anthrax develops after eating contaminated meat. thus, in this paper were report 5 cases of intestinal anthrax. case presentation: we report a case series of intestinal anthrax, with history of consumption of raw or poorly cooked liver of sheep. one pati...

Journal: :jundishapur journal of microbiology 0
gholamhossein ebrahimipour department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran hossein sadeghi department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran; corresponding author: hossein sadeghi, tehran, ir iran.tel.: +98-2129902706, fax: +98-2122431664, e-mail: zahra khosravi babadi department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran soleiman amiri department of microbiology, faculty of biological sciences, shahid beheshti university, tehran, ir iran

conclusions in this study, we isolated b. licheniformis producing an organic solvent-stable protease from oil-contaminated soil. the protease was stable and active in various organic solvents. by purification, the protease could be used as a biocatalyst for organic solvent-based enzymatic synthesis. results according to 16srdna sequencing, strain isa9 was identified as a new strain of bacillus ...

محسنی, مجتبی, توسل, مینا,

Background and purpose: Research for discovery and development of new and effective antimicrobial agents has been raised due to increasing rate of numerous multi-drug resistant pathogens. Marine bacteria especially Bacillus species are a rich source of potentially versatile secondary metabolites with antimicrobial activities. In this study, sediments of the Caspian Sea were screened for natural...

Journal: :Anais brasileiros de dermatologia 2011
Sara Isabel Alcântara Lestre Catarina Diogo Gameiro Alexandre João Maria João Paiva Lopes

Immunotherapy with Bacillus Calmette-Guérin is widely used for treatment and prophylaxis of superficial urothelial cancer. Complications associated with Bacillus Calmette-Guérin treatment are common. The authors describe a case of granulomatous inflammation of the penis associated with intravesical Bacillus Calmette-Guérin therapy, presenting with multiple erythematous and painless nodules loca...

ژورنال: :مجله تازه های بیوتکنولوژی سلولی - مولکولی 0
حمید تبیانیان hamid tebyanian applied biotechnology research center, baqiyatallah university of medical sciences, tehran, iranمرکز تحقیقات بیوتکنولوژی کاربردی، دانشگاه علوم پزشکی بقیه ا...)عج(، تهران، ایران. بهزاد اطروشی behzad otroshi young researchers and elite club, lahijan branch, islamic azad university, lahijan, iran.باشگاه پژوهشگران جوان و نخبگان، واحد لاهیجان، دانشگاه آزاد اسلامی، لاهیجان، ایران. علی کرمی ali karami applied biotechnology research center, baqiyatallah university of medical sciences, tehran, iranمرکز تحقیقات بیوتکنولوژی کاربردی، دانشگاه علوم پزشکی بقیه ا...)عج(، تهران، ایران. حمید باباولیان hamid babavalian applied virology research center, baqiyatallah university of medical sciences, tehran, iran.مرکز تحقیقات ویروس شناسی کاربردی، دانشگاه علوم پزشکی بقیه ا...)عج(، تهران، ایران.

سابقه و هدف: پروتئازها رده­ای از آنزیم­ها می باشد و به دلیل نقش­های فیزیولوژیک و کاربردهای تجاری موقعیت بسیار ارزشمندی دارند. پروتئازهای قلیایی ایجاد توسط شده توسط گونه های جنس bacillus به دلیل ثبات حرارتی و پایداری که در ph های متفاوت دارند از اهمیت ویژه ای برخوردارند. در این تحقیق که با هدف بررسی مقایسه ای دو روش کشت بسته و نیمه پیوسته در محیط کشت غوطه ور برای تولید آنزیم پروتئاز قلیایی با سو...

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