OptPipe - a pipeline for optimizing metabolic engineering targets

András Hartmann 1 Ana Vila-Santa 1 Nicolai Kallscheuer 2 Michael Vogt 2 Alice Julien-Laferrière 3, 4 Marie-France Sagot 3, 4 Jan Marienhagen 2 Susana Vinga 1
1 IDMEC - Instituto de Engenharia Mecânica [Lisboa]
2 IBG - Institute of Bio- and Geosciences [Jülich]
3 LBBE - Laboratoire de Biométrie et Biologie Evolutive
4 ERABLE - Equipe de recherche européenne en algorithmique et biologie formelle et expérimentale
Inria Grenoble - Rhône-Alpes
Abstract : Background: We propose OptPipe-a Pipeline for Optimizing Metabolic Engineering Targets, based on a consensus approach. The method generates consensus hypotheses for metabolic engineering applications by combining several optimization solutions obtained from distinct algorithms. The solutions are ranked according to several objectives, such as biomass and target production, by using the rank product tests corrected for multiple comparisons. Results: OptPipe was applied in a genome-scale model of Corynebacterium glutamicum for maximizing malonyl-CoA, which is a valuable precursor for many phenolic compounds. In vivo experimental validation confirmed increased malonyl-CoA level in case of sdhCAB deletion, as predicted in silico. Conclusions: A method was developed to combine the optimization solutions provided by common knockout prediction procedures and rank the suggested mutants according to the expected growth rate, production and a new adaptability measure. The implementation of the pipeline along with the complete documentation is freely available at https://github.com/AndrasHartmann/OptPipe.
Keywords : Software Optimization Rank product Metabolic engineering Metabolic networks
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Article dans une revue
BMC Systems Biology, BioMed Central, 2017, 11, pp.1-9. 〈10.1186/s12918-017-0515-0〉
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András Hartmann, Ana Vila-Santa, Nicolai Kallscheuer, Michael Vogt, Alice Julien-Laferrière, et al.. OptPipe - a pipeline for optimizing metabolic engineering targets. BMC Systems Biology, BioMed Central, 2017, 11, pp.1-9. 〈10.1186/s12918-017-0515-0〉. 〈hal-01672905〉

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