highly significantp < 10 −4
The model turned out to be highly significant at the permutation test ( p < 10 −4 ), as shown in Figure 9C , and predictive with 100% correct classification rate. 4 Discussion In the present study, the longitudinal multi-omics investigation on a single mother-infant dyad was proposed to examine in depth the relationships among diet composition, gut microbiota metabolism and composition during the transition from breastfeeding to weaning.