Please use this identifier to cite or link to this item: https://doi.org/10.1016/S1570-7946(07)80193-3
Title: A PCA-Based approach for gene target selection to improve industrial strains
Authors: Jonnalagadda, S.
Srinivasan, R. 
Keywords: PCA.
Recombinant protein Production
Strain improvement
Target selection
Issue Date: 2007
Source: Jonnalagadda, S.,Srinivasan, R. (2007). A PCA-Based approach for gene target selection to improve industrial strains. Computer Aided Chemical Engineering 24 : 1013-1018. ScholarBank@NUS Repository. https://doi.org/10.1016/S1570-7946(07)80193-3
Abstract: The production of recombinant proteins has become indispensable for both research and industrial applications. However, the expression of recombinant protein acts as a stress on host strain, resulting in decrease in the rate of growth and hence the productivity of the protein. To improve yield, it is essential to understand the changes in the physiology and metabolism of the host and reverse them by over- or under-expressing the key genes. In this paper, we propose an approach based on Principal Component Analysis to identify the genes differentially expressed in the host strain compared to wild-type strain. These genes provide the information about the changes in the metabolic events due to recombinant protein production. Our approach also identifies the regulators responsible for these changes and hence by over-expressing or knocking-out these regulators, the behavior of the host can be brought to normal. We illustrate the proposed approach using a case study of recombinant protein production in E coli. © 2007 Elsevier B.V. All rights reserved.
Source Title: Computer Aided Chemical Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/54695
ISBN: 9780444531575
ISSN: 15707946
DOI: 10.1016/S1570-7946(07)80193-3
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