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Journal Articles (Review Article) Bioengineering Year : 2020

The Promise of Optogenetics for Bioproduction: Dynamic Control Strategies and Scale-Up Instruments

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Abstract

Progress in metabolic engineering and synthetic and systems biology has made bioproduction an increasingly attractive and competitive strategy for synthesizing biomolecules, recombinant proteins and biofuels from renewable feedstocks. Yet, due to poor productivity, it remains difficult to make a bioproduction process economically viable at large scale. Achieving dynamic control of cellular processes could lead to even better yields by balancing the two characteristic phases of bioproduction, namely, growth versus production, which lie at the heart of a trade-off that substantially impacts productivity. The versatility and controllability offered by light will be a key element in attaining the level of control desired. The popularity of light-mediated control is increasing, with an expanding repertoire of optogenetic systems for novel applications, and many optogenetic devices have been designed to test optogenetic strains at various culture scales for bioproduction objectives. In this review, we aim to highlight the most important advances in this direction. We discuss how optogenetics is currently applied to control metabolism in the context of bioproduction, describe the optogenetic instruments and devices used at the laboratory scale for strain development, and explore how current industrial-scale bioproduction processes could be adapted for optogenetics or could benefit from existing photobioreactor designs. We then draw attention to the steps that must be undertaken to further optimize the control of biological systems in order to take full advantage of the potential offered by microbial factories.
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Origin : Publication funded by an institution

Dates and versions

hal-03083199 , version 1 (26-08-2022)

Licence

Attribution - CC BY 4.0

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Sylvain Pouzet, Alvaro Banderas, Matthias Le Bec, Thomas Lautier, Gilles Truan, et al.. The Promise of Optogenetics for Bioproduction: Dynamic Control Strategies and Scale-Up Instruments. Bioengineering, 2020, 7 (4), pp.151. ⟨10.3390/bioengineering7040151⟩. ⟨hal-03083199⟩
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