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Thermodynamics of synthetic biological circuits

Project description

Improving the thermodynamic performance of synthetic biological systems

Synthetic biology combines engineering disciplines to generate novel biological systems such as sensors that can be applied in the biomedical and biotechnology fields. Studying these cell-free systems in detail is central for their future optimisation and design. Funded by the Marie Skłodowska-Curie Actions programme, the TSBC project focuses on how temperature, composition and other factors affect the thermodynamics of synthetic biological systems. To do this, it will break down complex circuits into specific modules to understand their thermodynamic properties. This knowledge will be used to optimise the thermodynamics of important biological circuits. The key goal is to improve the thermodynamic performance of these systems and their potential.

Objective

The goal of this project will be to create a general theoretical framework to study the non-equilibrium thermodynamics of biological systems with particular focus on synthetic circuits in cell-free environments. To do this, we will rely on the recently developed theory of stochastic thermodynamics, which makes it possible to study the fluctuating thermodynamics of small-scaled systems arbitrary far from equilibrium.

Firstly, we will construct a framework to determine the thermodynamic performance of any given synthetic biological circuits. This can be done by breaking the complicated circuits up into specific modules and derive general expressions for the thermodynamic properties of these individual modules. We will first look at cell-free translation-free nucleic-acid networks, and subsequently extend the results to transcription-translation systems and cellular implementations.Secondly this framework will be used to optimize the thermodynamic performance of some of the most important biologically relevant circuits. We will first focus on simple network motives such as toggle-switches and oscillators, where we will study the optimal network structures leading to the correct behaviour. Subsequently, we will move to more complicated systems such as molecular amplifiers and absolute concentration robust sensors, where we will look at optimal designs, but also derive general trade-off relations between dissipation and robustness.

We expect that our results will lead to new design principles for synthetic circuits and give a better understanding of what can and cannot be done using these synthetic networks, but we also believe that our results will lead to a better understanding of the motives behind the evolution of real gene-regulatory networks.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2021-PF-01

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Coordinator

KOBENHAVNS UNIVERSITET
Net EU contribution
€ 230 774,40
Address
NORREGADE 10
1165 KOBENHAVN
Denmark
Region
Danmark Hovedstaden Byen København
Activity type
Higher or Secondary Education Establishments
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Total cost
No data