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Published on: January 22, 2018
MetaFlowTrain: a highly parallelized and modular fluidic system for studying exometabolite-mediated inter-organismal
Guillaume Chesneau1, Johannes Herpell1, Sarah Marie Wolf1
1Department of Plant Microbe Interactions, Max Planck Institute for Plant Breeding Research, Cologne, Germany.
We developed MetaFlowTrain, a novel fluidic system for studying metabolic interactions between microorganisms. This system reveals how soil conditioning impacts microbial communities and plant growth.
Area of Science:
- Microbiology
- Ecology
- Systems Biology
Background:
- Metabolic fluxes are crucial for ecosystem assembly and functioning.
- Measuring exometabolite-mediated inter-organismal interactions is challenging.
Purpose of the Study:
- To present MetaFlowTrain, a versatile fluidic system for studying microbial metabolic interactions.
- To investigate soil conditioning effects on synthetic communities and plant growth.
- To uncover microbial antagonism mediated by exometabolite production.
Main Methods:
- Developed MetaFlowTrain: an easy-to-assemble, modular fluidic system with adjustable flow rates.
- Utilized gnotobiotic microchambers to culture diverse microorganisms (bacteria to small eukaryotes).
- Connected microchambers in series to create 'microchamber trains' for directional metabolite transport.
Main Results:
- Demonstrated MetaFlowTrain's capability to study plant-microbe-microbe metabolic interactions.
- Uncovered soil conditioning effects on synthetic community structure and plant growth.
- Revealed microbial antagonism driven by exometabolite production.
Conclusions:
- MetaFlowTrain is a powerful tool for investigating complex metabolic interactions in microbial communities.
- The system has potential for discovering novel signaling molecules, drugs, and antimicrobials.
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