Document Detail


Succinic acid production from cellobiose by Actinobacillus succinogenes.
MedLine Citation:
PMID:  23186686     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In this study, cellobiose, a reducing disaccharide was used to produce succinic acid by Actinobacillus succinogenes NJ113. A final succinic acid concentration of 30.3g/l with a yield of 67.8% was achieved from an initial cellobiose concentration of 50g/l via batch fermentation in anaerobic bottles. The cellobiose uptake mechanism was investigated and the results of enzyme assays revealed that the phosphoenolpyruvate phosphotransferase system (PEP-PTS) played an important role in the cellobiose uptake process. In batch fermentation with 18g/l of cellobiose and 17g/l of other sugars from sugarcane bagasse cellulose hydrolysates, a succinic acid concentration of 20.0g/l was obtained, with a corresponding yield of 64.7%. This study found that cellobiose from incomplete hydrolysis of cellulose could be a potential carbon source for economical and efficient succinic acid production by A. succinogenes.
Authors:
Min Jiang; Rong Xu; Yong-Lan Xi; Jiu-Hua Zhang; Wen-Yu Dai; Yue-Jia Wan; Ke-Quan Chen; Ping Wei
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-16
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-11-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
State Key Laboratory of Materials-Oriented Chemical Engineering, College of Biotechnology and Pharmaceutical Engineering, Nanjing University of Technology, Puzhu South Road 30#, Nanjing 211816, PR China. Electronic address: bioengine@njut.edu.cn.
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