呼吸缺陷型重组酿酒酵母利用淀粉生产乙醇
Production of ethanol from starch by respiration-deficient recombinant Saccharomyces cerevisiae.
作者信息
Toksoy Oner Ebru, Oliver Stephen G, Kirdar Betül
机构信息
Marmara University, Faculty of Engineering, Department of Chemical Engineering, Goztepe 34722 Istanbul, Turkey.
出版信息
Appl Environ Microbiol. 2005 Oct;71(10):6443-5. doi: 10.1128/AEM.71.10.6443-6445.2005.
Abstract
A 100%-respiration-deficient nuclear petite amylolytic Saccharomyces cerevisiae NPB-G strain was generated, and its employment for direct fermentation of starch into ethanol was investigated. In a comparison of ethanol fermentation performances with the parental respiration-sufficient WTPB-G strain, the NPB-G strain showed an increase of ca. 48% in both ethanol yield and ethanol productivity.
摘要
构建了一株呼吸缺陷率为100%的核小粒淀粉分解型酿酒酵母NPB - G菌株，并研究了其用于将淀粉直接发酵为乙醇的性能。与呼吸充足的亲本WTPB - G菌株相比，NPB - G菌株的乙醇产量和乙醇生产率均提高了约48%。
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