Roseburia (OTU_36), Bacteroides (OTU_2040), Bacteroides (OTU_2), and Bacteroides (OTU_10) were positively related with citrate cycle (TCA cycle), PPAR signaling pathway, adipocytokine signaling pathway, peroxisome, and amoebiasis (p<0.05) (Figure 4B). Here, PPARA is linked to amebiasis.