The French NEM (Nutrition & Microbial Ecosystems) network hold its annual meeting this last two days (5th – 6th of May) in Rennes. Julien Tap, researcher from the FME lab presented the first results of his Ferment du Future SynthPlex project and how Engineering food microbial consortia can be performed using microfermentors to reveal strain epistasis. With the Support of Holoflux and Digit-Bio INRAE Metaprogram, He also co-organized with Guillaume Gautreau from the MaIAge Unit a specific workshop on modelling of microbial ecosystems.