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  • Title: Microbial production of 2,3-butanediol by a newly-isolated strain of Serratia marcescens.
    Author: Shi L, Gao S, Yu Y, Yang H.
    Journal: Biotechnol Lett; 2014 May; 36(5):969-73. PubMed ID: 24375234.
    Abstract:
    A newly-isolated strain of Serratia marcescens, G12, was characterized for 2,3-butanediol (2,3-BD) production. In shake-flask and batch fermentations, 2,3-BD reached 48.5 and 51 g l(-1), respectively. Low amounts of (~8 g l(-1)) of acetoin were also formed. In fed-batch fermentations, strain G12 produced 72.8 g 2,3-BD l(-1) with glucose initially at 130 g l(-1). When aeration rate was increased to 2.5 vvm for the fermentation process, 2,3-BD reached 87.8 g l(-1) and the highest productivity was 1.6 g l(-1 )h(-1). Acetoin was at 6.2 g l(-1). G12 therefore may be a suitable candidate strain for large-scale production of 2,3-BD.
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