NOD1 and coronary artery disorder: The HFD feeding caused a decrease in several genera (Bifidobacterium, Rikenella, Bilophila, rc4_4 and Enterococcus) and an increase in others (Helicobacter) in both WT and NOD1 KO groups, compared to the groups fed the CHD, revealing the key influence of the diet on the gut microbiota composition above the genetic background.