Characterization of <em>Clostridium acetobutylicum</em> Protein Interaction Network from Butanol Fermentation | OMICS International | Abstract
ISSN: 2155-9872

Journal of Analytical & Bioanalytical Techniques
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Research Article

Characterization of Clostridium acetobutylicum Protein Interaction Network from Butanol Fermentation

Kumaran Sivagnanam1, Vijaya G.S. Raghavan1, Manesh Shah2, Robert L Hettich2, Nathan C Verberkmoes2 and Mark G Lefsrud1*
1Department of Bioresource Engineering, Macdonald Campus, McGill University, Quebec, Canada
2Oak Ridge National Laboratory, Chemical and Life Sciences Divisions, Oak Ridge, TN, USA
Corresponding Author : Dr. Mark G Lefsrud
Department of Bioresource Engineering
Macdonald Campus, McGill University
Quebec, Canada
E-mail: [email protected]
Received March 29, 2012; Accepted June 14, 2012; Published June 19, 2012
Citation: Sivagnanam K, Raghavan VGS, Shah M, Hettich RL, Verberkmoes NC, et al. (2012) Characterization of Clostridium Acetobutylicum Protein Interaction Network from Butanol Fermentation. J Anal Bioanal Tech S3:002. doi: 10.4172/2155-9872.S3-002
Copyright: © 2012 Sivagnanam K, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Successful industrial production of butanol requires an in depth knowledge of Clostridium acetobutylicum. Development of computational approaches for protein interaction studies enabled us to generate a predicted protein interaction network of C. acetobutylicum ATCC 824. In this study, over 400 proteins from C. acetobutylicum were identified during butanol fermentation using shotgun proteomics and from only 217 proteins, we predicted 1947 interactions. This analysis showed that C. acetobutylicum proteins form a highly interconnected network and the main represented functions were found to be protein synthesis, carbohydrate metabolism and butanoate metabolism. We further used this interaction data to analyse the enrichment of gene ontology terms and pathways in C. acetobutylicum. Our analysis revealed that biological processes such as translation, cellular protein metabolic process, biosynthetic process, and pathways including glycolysis, butanoate metabolism were significantly enriched in C. acetobutylicum during butanol fermentation. This study provides a novel insight into the functional mechanisms of C. acetobutylicum at the network level complementing the current knowledge in relation to this industrially important organism.