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Model reduction of genome-scale metabolic models as a basis for targeted kinetic models

Rik P. van Rosmalen, Robert W. Smith, Vítor A. P. Martins dos Santos, Christian Fleck, María Suárez‐Diez

2021Metabolic Engineering38 citationsDOIOpen Access PDF

Abstract

Constraint-based, genome-scale metabolic models are an essential tool to guide metabolic engineering. However, they lack the detail and time dimension that kinetic models with enzyme dynamics offer. Model reduction can be used to bridge the gap between the two methods and allow for the integration of kinetic models into the Design-Built-Test-Learn cycle. Here we show that these reduced size models can be representative of the dynamics of the original model and demonstrate the automated generation and parameterisation of such models. Using these minimal models of metabolism could allow for further exploration of dynamic responses in metabolic networks.

Topics & Concepts

Reduction (mathematics)Constraint (computer-aided design)Metabolic engineeringComputer scienceScale (ratio)Dimension (graph theory)Biological systemBiochemical engineeringComputational biologyBiologyMathematicsEngineeringEnzymePhysicsBiochemistryGeometryQuantum mechanicsPure mathematicsMicrobial Metabolic Engineering and BioproductionBiofuel production and bioconversionEnzyme Catalysis and Immobilization