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L-丝氨酸高产菌株的选育和摇瓶发酵条件优化
Breeding of L-Serine-Producing Strain and Optimization of Fermentation Conditions
【摘要】 采用B revibacterium flavmC-11A为出发菌株,经紫外线照射和亚硝基胍诱变处理,选育出一株L-丝氨酸高产菌株C32为目的突变株,使摇瓶产酸率由12.1 g.L-1增加到16.4 g.L-1,然后对其进行摇瓶发酵条件优化,使菌株C32的L-丝氨酸产率提高到30.1 g.L-1。
【Abstract】 The strain Brevibacterium flavmC-11A was mutated by ultraviolet radiation and NTG.As a result,a strain producing L-serine named C32 was obtained.The production of serine by flask-shaking fermentation increased from 12.1g·L-1 to 16.4g·L-1.Under optimum conditions,the production of serine by flask-shaking fermentation was up to 30.1g·L-1.
【基金】 国家十五攻关2004BA713B07-04
- 【文献出处】 氨基酸和生物资源 ,Amino Acids & Biotic Resources , 编辑部邮箱 ,2006年01期
- 【分类号】TQ922
- 【被引频次】22
- 【下载频次】380