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Iranian Biomedical Journal، جلد ۲۱، شماره ۴، صفحات ۲۴۰-۲۴۸
عنوان فارسی
چکیده فارسی مقاله
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عنوان انگلیسی Expression and Secretion of Cyan Fluorescent Protein (CFP) in B. subtilis using the Chitinase Promoter from Bacillus pumilus SG2
چکیده انگلیسی مقاله Background: Improved cyan fluorescent protein (ICFP) is a monochromic, green fluorescent protein (GFP) derivative produced by Aequorea macrodactyla in a process similar to GFP. This protein has strong absorption spectra at wavelengths 426-446 nm. ICFP can be used in cell, organelle or intracellular protein labeling, investigating the protein-protein interactions as well as assessing the promoter activities. Methods: In our previous study, the promoters of two chitinases (ChiS and ChiL) from Bacillus pumilus SG2 were assessed in B. subtilis and their regulatory elements were characterized. In the present study, icfp was cloned downstream of several truncated promoters obtained in the former study, and ICFP expression was evaluated in B. subtilis. Results: Extracellular expression and secretion of ICFP were analyzed under the control of different truncated versions of ChiSL promoters grown on different media. Results from SDS-PAGE and fluorimetric analyses showed that there were different expression rates of CFP; however, the UPChi-ICFP3 construct exhibited a higher level of expression and secretion in the culture medium. Conclusion: Our presented results revealed that inserting this truncated form of Chi promoter upstream of the ICFP, as a reporter gene, in B. subtilis led to an approximately ten fold increase in ICFP expression.
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نویسندگان مقاله عباس شالی | abbas shali
department of industrial and environmental biotechnology, national institute of genetic engineering and biotechnology nigeb , p.o. box 14155-6343 , tehran, iran

سازمان اصلی تایید شده: پژوهشگاه ملی مهندسی ژنتیک و زیست فناوری

گرشاسب ریگی | garshasb rigi
department of biology, faculty of science, behbahan khatam alanbia university of technology, behbahan, khuzestan, iran


مجید پرنور | majid pornour
medical laser research center, academic center for education, culture and research acecr , tehran, iran


غلامرضا احمدیان | gholamreza ahmadian
department of industrial and environmental biotechnology, national institute of genetic engineering and biotechnology nigeb , p.o. box 14155-6343 , tehran, iran

سازمان اصلی تایید شده: پژوهشگاه ملی مهندسی ژنتیک و زیست فناوری

نشانی اینترنتی http://ibj.pasteur.ac.ir/browse.php?a_code=A-10-1-647&slc_lang=fa&sid=en
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/125/article-125-399411.pdf
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Molecular Microbiology
نوع مقاله منتشر شده Study Break
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