【摘要】 以产纤溶酶的根霉Y为出发菌株,通过亚硝基胍、紫外复合诱变,采用血纤维蛋白平板法测量发酵上清液的纤溶活性,得到一株高产突变株C6。其产酶活性是出发菌株的4.73倍,经过传代培养,该菌株的高产纤溶酶的特性能够稳定遗传。更多还原

【Abstract】 A Rhizopus Y which producing fibrinolytic enzyme is mutagenesis with NTG and UV, A mutant C6 was obtained, the fibrinolytic activity of the fermentation broth was determined by the modified plaminogen-free fibrin plate method. The productivity of the fibrinolytic enzyme of C6 is 4.73 times as compared with the original strain. The high fibrinolytic activity of the mutant could be inherited after several subcultures.更多还原