三种改变酵母细胞透性方法对1,6二磷酸果糖生产的影响
酵母细胞;,,酵母细胞;细胞透性;活化培养;1,6二磷酸果糖,1材料和方法,2结果与讨论,3讨论
摘 要 目的:研究不同方法改变酵母细胞透性对1,6二磷酸果糖生产的影响。方法:采用反复冻融、甲苯处理、活化培养这三种方法改变酵母细胞透性并测定这些改变了细胞透性和生理状态的酵母的1,6二磷酸果糖生产能力。结论:三种方法均使1,6二磷酸果糖的发酵产量提高,其中活化培养方法使1,6二磷酸的发酵产量达40 mg/mL。关键词 酵母细胞;细胞透性;活化培养;1,6二磷酸果糖
Three methods of changing yeast cell permeability have an effect on the output of fructose1,6diphosphate
HU Liyong
(Guangdong College of Pharmcy, Guangzhou, Guangdong 510240)
Abstract Objective: To study effects of the three methods of changing yeast cell permeability on output of fructouse1,6diphosphat. Methods: The three methods of changing yeast cell permeability (i.e., freezing and thawing alternatively, mixed with toluene, activated culture) were used, and variations of cell permeability and physiologic state concerned with their ability of the ability of fructose1, 6diphosphate output was observed with the treatment of the three methods. Results: All of the three methods of changing yeast cell permeability can raise fermentative yield of fructose1,6diphosphate. The fermentative yield of fructose1, 6diphosphate with activated culture method reached 40 mg/mL. ......
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