Fig. 6. Assessment of group similarities in species composition by beta diversity. (A) 3D principal coordinates analysis (PCoA) of Sham, ETBF, ETBF + Z (60), Z (60). Each point based on principal component score 1, 2, and 3 of all samples in a group. (B) UPGMA dendrogram. Each sample was clustered by subject. Abbreviations of group names are as follows: Sham, sham control; ETBF/AOM/DSS, ETBF colonized AOM/DSS; ETBF/AOM/DSS + Z(60), ETBF colonized AOM/ DSS given zerumbone (60 mg kg-1); Z (60), zerumbone (60 mg kg-1).