Article
Characterization of acetoin production in a budC gene disrupted mutant of Serratia marcescens G12.
Journal of industrial microbiology & biotechnology - 1 Aug 2014
Gao Songsong, Guo Wenyi, Shi Litao, Yu Yue, Zhang Cuikun, Yang Hongjiang
Abstract excerpt
The 2,3-butanediol (2,3-BD) dehydrogenase gene budC of Serratia marcescens G12 was disrupted to construct the acetoin (AC) producing strain G12M. In shake-flask cultures, AC production was enhanced by increased concentrations of glucose or sodium acetate in G12M. In fed-batch fermentation, G12M produced 47.5 g/L AC along with 9.8 g/L 2,3-BD. The expression of the key enzymes for AC synthesis was further...
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