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Laboratory of Environmental Biotechnology

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Diversity and Engineering of Microbial Ecosystems (DIEM)


 © Photo : G. Cattiau© Inra

The ‘DIEM’ Team gathers scientists from different fields (Microbial Ecology, Microbial Engineering, Process Engineering) working on different microbial ecosystems with a common goal: identify ways to manage microbial communities in order to get specific functions:

  • high production yields from waste streams(energy, biomass, high-value molecules);
  • stability, resistance and resilience of bioreactors;
  • control of sanitary impacts (degradation of micropollutants, inactivation of pathogenic species).

Microbial communities are characterized using molecular tools for linking bioreactor function to their structure and dynamics. Compared to natural ecosystems, bioreactors offer the advantage to control some of the environmental conditions. Some of the systems studied, such as fermentative consortia and bioelectrochemical systems harbor a limited diversity, enabling the study of microbial interactions.

More information on some research questions of the DIEM team is given through the links below:

  • Anaerobic digestors;
  • Fermentative ecosystems (production of BioH2 and of high-value molecules);
  • Bioelectrochemical systems;
  • Biofilms;
  • Microalgae;
  • Dynamic of pathogenic species, dispersal in aerosols;
  • Measure and control of microbial diversity;
  • Biomimetism;
  • Virtual Ecosystems.