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      Microbial Consortia Engineering for Cellular Factories: in vitro to in silico systems

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          Abstract

          This mini-review discusses the current state of experimental and computational microbial consortia engineering with a focus on cellular factories. A discussion of promising ecological theories central to community resource usage is presented to facilitate interpretation of consortial designs. Recent case studies exemplifying different resource usage motifs and consortial assembly templates are presented. The review also highlights in silico approaches to design and to analyze consortia with an emphasis on stoichiometric modeling methods. The discipline of microbial consortia engineering possesses a widely accepted potential to generate highly novel and effective bio-catalysts for applications from biofuels to specialty chemicals to enhanced mineral recovery.

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          Most cited references77

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          What is flux balance analysis?

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            Competitive and cooperative metabolic interactions in bacterial communities.

            Revealing the ecological principles that shape communities is a major challenge of the post-genomic era. To date, a systematic approach for describing inter-species interactions has been lacking. Here we independently predict the competitive and cooperative potential between 6,903 bacterial pairs derived from a collection of 118 species' metabolic models. We chart an intricate association between competition and cooperation indicating that the cooperative potential is maximized at moderate levels of resource overlap. Utilizing ecological data from 2,801 samples, we explore the associations between bacterial interactions and coexistence patterns. The high level of competition observed between species with mutual-exclusive distribution patterns supports the role of competition in community assembly. Cooperative interactions are typically unidirectional with no obvious benefit to the giver. However, within their natural communities, bacteria typically form close cooperative loops resulting in indirect benefit to all species involved. These findings are important for the future design of consortia optimized towards bioremediation and bio-production applications.
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              Contribution to the Energetics of Evolution.

              A J Lotka (1922)
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                Author and article information

                Journal
                Comput Struct Biotechnol J
                Comput Struct Biotechnol J
                CSBJ
                Computational and Structural Biotechnology Journal
                Research Network of Computational and Structural Biotechnology (RNCSB) Organization
                2001-0370
                01 December 2012
                2012
                : 3
                : e201210017
                Affiliations
                [a ]Department of Chemical and Biological Engineering & Center for Biofilm Engineering, Montana State University, Bozeman, MT 59717, United States
                Author notes
                Citation
                Bernstein HC, Carlson RP (2012) Microbial Consortia Engineering for Cellular Factories: in vitro to in silico systems. Computational and Structural Biotechnology Journal. 3 (4): e201210017. doi: http://dx.doi.org/10.5936/csbj.201210017
                [* ] Corresponding author. E-mail address: rossc@ 123456biofilm.montana.edu (Ross P Carlson)
                Article
                CSBJ-3-e201210017
                10.5936/csbj.201210017
                3962199
                24688677
                6d0b8f2c-48e0-4447-992f-60d12967769f
                © Bernstein and Carlson.

                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 properly cited.

                History
                : 15 September 2012
                : 24 November 2012
                : 28 November 2012
                Categories
                Mini Review

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