摘要
以产ε-聚赖氨酸的白色链霉菌为出发菌株,对菌体进行改良,可以提高菌体产物产量。对该菌株采用紫外线诱变法进行诱变处理,确定最佳诱变时间为35 s,此时突变菌株ε-聚赖氨酸的产量为1.26 g·L^(-1),与未诱变前比产量提高了28.57%。
Taking the Streptomyces Albus producing polylysine as the starting strain,the improvement of the bacteria can increase the yield of the bacteria.The strain was mutagenic by ultraviolet induction,and the optimal mutagenic time was35s.At this time,the yield of the mutated strain-polylysine was1.26g·L-1,which was28.57%higher than before the mutagenesis.
作者
尤丽新
胡楠楠
班硕
孙永杰
You Lixin;Hu Nannan;Ban Shuo;Sun Yongjie(Changchun Science and Technology University, Changchun 130600, China;College of Food Science and Engineering of Jilin Agricultural University,Changchun 130118, China)
出处
《现代食品》
2018年第20期38-40,47,共4页
Modern Food
基金
吉林省科技厅科技攻关项目(编号:20170204025NY)
吉林省教育厅科技项目(吉教科合字2016-542)
2017年长春科技学院科研启动基金项目"产ε-聚赖氨酸菌株的诱变育种及发酵条件优化"(编号:CCKJ201725)
