نتایج جستجو برای: mutant strains

تعداد نتایج: 270616  

2010
Xiaoyong Zhang Birun Lin Xiangyang Gao Huifang Shen

In an attempt to obtain an industrial strain with higher yield of wanlongmycin, the wild strain Streptomyces griseovariabilis GAAS2507 was mutated by a novel mutagen, nitrogen ion beam with energy of 20 kilo electron volts (KeV) and dose ranging from 7.80 x 10 to 2.86 x 10 ions/cm. One mutant strain WN939 was obtained. Its yield of wanlongmycin reached 271.24 μg/mL, which was 82.10% higher than...

Journal: :novelty in biomedicine 0
mahboobeh mobarrez department of biochemistry, payame noor university, mashhad branch, mashhad, iran mojgan bandehpour cellular and molecular biology research center and department of biotechnology, school of medicine, shahid beheshti university of medical sciences, tehran, iran massoud salehmoghadam department of biochemistry, payame noor university, mashhad branch, mashhad, iran bahram kazemi cellular and molecular biology research center and department of biotechnology, school of medicine, shahid beheshti university of medical sciences, tehran, iran

background: streptokinase is a bacterial protein produced by different beta hemolytic streptococci and widely used in thrombolytic treatment. the main disadvantage of using streptokinase is antibody formation which causes allergic reaction to neutralize effects of streptokinase therapy. aim of this study was investigate of recombinant mutant streptokinase fibrinolytic activity. m aterials and m...

Journal: :Journal of the Faculty of Agriculture, Kyushu University 1993

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