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酵母菌属间杂交融合子筛选及其特性研究

作  者:
陈武军;包伟霞;许旭萍;陈由强
单  位:
福建师范大学生命科学学院
关键词:
酿酒酵母;马克斯克鲁维酵母;原生质体融合子;筛选;生理特性;酒精发酵性能
摘  要:
通过对酿酒酵母(糖蜜酒精生产菌种)和耐热的马克斯克鲁维酵母原生质体融合,筛选到一株产酒率、耐热性状较两亲株有所提高的融合子R36,并测定了R36最适生长温度、生长曲线、致死温度等生理特性,以及耐酒精浓度、耐糖浓度等发酵性能。
译  名:
Characteristics of the Screening of intergeneric yeast fusant
作  者:
Chen Wu-jun1 Bao Wei-xia1 Xu Xu-ping1 Chen You-qiang1,2 (1 College of Life Sciences,Fujian Normal University; 2 Key Laboratory of Sugarcane Genetic Improvement,Ministry of Agriculture ;Fuzhou 350108,China)
关键词:
Saccharomyces cerevisiae; Kluyveromyces marxianus; protoplast fusant; Screening;physiological properties; alcohol fermentation properties
摘  要:
A new yeast fusant strain R36 with better properties than parent strains in thermotolerance and ethanol yield was obtained by primary screening and second screening from the protoplast fusants between Saccharomyces cerevisiae (for making alcohol from molasses)and Kluyveromyces marxianus(with thermotolerance). Some physiological and fermentation properties of R36 strain were investigated including the optimal growth temperature,the growth curve,the fatal temperature,the level of alcohol tolerance,the level of sugar tolerance and so on.

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