An extended reconstruction of human gut microbiota metabolism for personalized nutrition
Blasco, T.; Perez-Burillo, S.; Balzerani, F.; Lerma, A.; Hinojosa-Nogueira, D.; Pastoriza, S.; Gosalbes, M. J.; Jimenez-Hernandez, N.; Francino, M. P.; Rufian-Henares, J. A.; Apaolaza, I.; Planes, F. J.
Show abstract
Understanding how diet and gut microbiota interact in the context of human health is a key question in personalized nutrition. Genome-scale metabolic networks and constraint-based modeling approaches are promising to systematically address this complex question. However, when applied to nutritional questions, a major issue in existing reconstructions is the lack of information about degradation pathways of relevant nutrients in the diet that are metabolized by the gut microbiota. Here, we present AGREDA, an extended reconstruction of the human gut microbiota metabolism for personalized nutrition. AGREDA includes the degradation pathways of 231 nutrients present in the human diet and allows us to more comprehensively simulate the interplay between food and gut microbiota. We show that AGREDA is more accurate than existing reconstructions in predicting output metabolites of the gut microbiota. Finally, using AGREDA, we established relevant metabolic differences among clinical subgroups of Spanish children: lean, obese, allergic to foods and celiac.
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