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Julien Tap
Research Scientist
After several internships in microbiology at Institut Pasteur (Patrick Grimont, Philippe Glaser, Sylvain Brisse), Julien Tap went to Joel Doré’s Lab to do a PhD headed by Marion Leclerc (Jan 2007 to Dec 2009). His main project was to study dietary fiber impact on human gut microbiota using notably metagenomic and metatranscriptomic approaches.
Since his PhD, his research interest focused on interactions between nutrition, gut microbiota, and human health. This allowed him to work with different AP-HP clinicians like Pr Karine Clément and Pr Iradj Sobhani. As post-doc did at EMBL in Peer Bork’s group and at INRAE Metagenopolis unit (Joel Doré, Dusko Ehrlich), as well as Danone Research, he used several approaches like numerical ecology and machine learning technics to untangle big omics data with clinical and dietary data.
Julien is currently a research scientist at INRAE Micalis institute settled in Paris-Saclay campus, where he works on projects related to the interactions between food and human microbiomes in a nutrition and health perspective.
Selected publications
- Tap et al. Global branches and local states of the human gut microbiome define associations with environmental and intrinsic factors. 2023. Nature communications
- Tap et al. The Human Gut Microbiota in all its States: From Disturbance to Resilience. Comprehensive Gut Microbiota, Elsevier, pp.161-178, 2022.
- Tap et al. Diet and gut microbiome interactions of relevance for symptoms in irritable bowel syndrome. 2021. Microbiome
- Tap et al. Identification of an intestinal microbiota signature associated with severity of irritable bowel syndrome. 2017. Gastroenterology
- Tap et al. Gut microbiota richness promotes its stability upon increased dietary fibre intake in healthy adults . 2015. Environmental microbiology
Last related news
The French Gut at EMBL Human Microbiome Symposium 2025
Sep 18, 2025
The relationship between diet and the gut microbiome lies at the heart of both health and sustainability challenges. Understanding how dietary habits shape microbial diversity is key to developing new strategies for precision nutrition.
Focus on Microbial Ecology Modelling at the NEM days meeting in Rennes
May 06, 2025
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.
Lovely second annual meeting of DOMINO project in Cork, Ireland
Mar 28, 2025
The DOMINO project held its second annual meeting from 26 to 28 March in the picturesque city of Cork, Ireland. It was an intense and warm moment thanks to the efficient and very friendly organisation of Teagasc and its incredible team coordinated by Orla O’Sullivan and John Kenny.