2022
DOI: 10.15252/msb.202210980
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Predictive evolution of metabolic phenotypes using model‐designed environments

Abstract: Adaptive evolution under controlled laboratory conditions has been highly effective in selecting organisms with beneficial phenotypes such as stress tolerance. The evolution route is particularly attractive when the organisms are either difficult to engineer or the genetic basis of the phenotype is complex. However, many desired traits, like metabolite secretion, have been inaccessible to adaptive selection due to their trade‐off with cell growth. Here, we utilize genome‐scale metabolic models to design nutrie… Show more

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Cited by 12 publications
(5 citation statements)
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“…Indeed, since more extensive genome-scale models of secondary metabolism in Streptomyces species were established ( 100 ), this method has been utilized to aid in systems metabolic engineering strategies ( 101 ). Moreover, the approach has been adopted to study predictive evolution of metabolic pathways in order to identify lineages with enhanced metabolite secretion ( 102 ). These studies suggest that, despite the caveats mentioned above, marrying metabolomics with genome-scale modeling of metabolism could prove a major boon in the identification of missing metabolites from cellular metabolic networks.…”
Section: Directly Coupling the Metabolome To The Genomementioning
confidence: 99%
“…Indeed, since more extensive genome-scale models of secondary metabolism in Streptomyces species were established ( 100 ), this method has been utilized to aid in systems metabolic engineering strategies ( 101 ). Moreover, the approach has been adopted to study predictive evolution of metabolic pathways in order to identify lineages with enhanced metabolite secretion ( 102 ). These studies suggest that, despite the caveats mentioned above, marrying metabolomics with genome-scale modeling of metabolism could prove a major boon in the identification of missing metabolites from cellular metabolic networks.…”
Section: Directly Coupling the Metabolome To The Genomementioning
confidence: 99%
“…Instead, these algorithms aim to guide dominant selection or direct adaptive laboratory evolution (ALE), e.g. by predicting how a cell might respond to ALE in the presence of toxic metabolite analogs (Cardoso et al 2018 ) or designing an evolution environment, which selects for adaptations that will positively affect the phenotype of the evolved strain in the desired food application (Jouhten et al 2022 ).…”
Section: Knowledge-driven Approachesmentioning
confidence: 99%
“…Mathematical models are crucial tools for predicting the responses of genetic circuits to signals and perturbations from the environment and for reliably engineering biological systems. , For example, models that can predict the effect of a gene knockout or overexpression, the response of a cell to a drug or change in carbon source, or the impact of an optogenetic input sequence can allow the design of more ambitious genetic circuits. Thus, the ability to predict biological time-series data is critical to designing robust genetic circuits and can also provide novel insight into the behaviors of natural systems.…”
Section: Introductionmentioning
confidence: 99%