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Biology: Publication in Synthetic Biology
How can computer models help design microbial communities? Within the framework of the Collaborative Research Centre CRC1535 “MibiNet” coordinated by Heinrich Heine University Düsseldorf (HHU), a research team comprising members from Aachen, Düsseldorf and East Lansing/USA examined the development perspectives of so-called synthetic biology. In the scientific journal Synthetic Biology, they explain why computer-aided biology has an important role to play.
Communities of microorganisms – bacteria, fungi and viruses – can be found everywhere, also and in particular in organisms, where they fulfil a variety of functions. For example, the microbial community in the human gut, the so-called microbiome, is essential for the metabolism – the microorganisms are needed to unlock many nutrients and make them available to the body. If the composition of the microbiome is incorrect, this can cause significant damage to the organism as a whole.
The interdisciplinary research field of “synthetic biology” is also increasingly focusing on these microbial networks. The aim is to use engineering principles to design and construct new biological systems and organisms that can perform specific functions. Genetic engineering methods help modify and transfer DNA and RNA across different organisms. Synthetic biology initially focused on individual synthetic organisms, but its potential for designing highly complex networks such as artificial communities of (synthetic) organisms is becoming increasingly obvious.
Such artificial communities offer a wide range of potential application areas including the mitigation of disease, increased crop productivity or the production of valuable biomolecules.
Researchers from the CRC1535 “MibiNet” have been inspired by natural lichens, in which phototrophic cyanobacteria or algae establish a close symbiotic relationship with heterotrophic fungal partners. They want to develop the microbial networking manifested here as an example for future applications. The research findings are intended as a contribution toward establishing interdisciplinary methods and technologies for CO2-negative processes, i.e. processes that actively capture CO2 from the atmosphere. In a further research project – ACCeSS – the intention is to harness energy from the sun to treat wastewater.
In the scientific journal Synthetic Biology, researchers from Aachen University of Technology (RWTH), HHU and Michigan State University (MSU) in East Lansing in the USA outline this future direction of development for synthetic biology. They emphasise the role of computational biology as an integral component, which can greatly simplify the design of artificial communities.
Professor Dr Ilka Axmann from HHU, corresponding author of the study: “We propose a shift in perspective from single-organism centred approaches to emphasising the functional contributions of organisms within the community.” With regard to the research approach, she adds: “The focus lies on the function the community as a whole should perform. It is irrelevant which specific organisms it contains: Organisms are merely the chassis containing necessary metabolic pathways, providing required functional roles.”
Dr Daniel C. Ducat, Professor of Biochemistry and Molecular Biology at MSU adds: “Increasing numbers of examples show that, although the specific species composition of complex microbial communities can change over time or at different locations, the specific functions of the community are stable on a larger scale.”
Dr Anna Matuszyńska, lead author of the study and Junior Professor of Computational Life Science at RWTH: “Computational biology can help support modularisation in synthetic biology, which is desirable as it would reduce complexity and create versatile, scalable frameworks that can be tailored to specific functions within biological communities. With the help of mathematical models, we can predict and optimise such systems to ensure they work reliably and efficiently. The intention is to use this ‘in silico design’ in the earliest stages of developing a synthetic community.”
Anna Matuszyńska, Oliver Ebenhöh, Matias D. Zurbriggen, Daniel C. Ducat, Ilka M. Axmann. A new era of synthetic biology – microbial community design. Synthetic Biology, 2024, 9(1), ysae011.
DOI: 10.1093/synbio/ysae011
https://www.sfb1535.hhu.de/mibinet
https://www.access.hhu.de/
Computer-aided engineering cycles applied to biology. Gears represent the synergy and continuous eng ...
RWTH Aachen/Anna Matuszyńska
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Biology, Chemistry, Information technology
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Computer-aided engineering cycles applied to biology. Gears represent the synergy and continuous eng ...
RWTH Aachen/Anna Matuszyńska
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