Extended Data Fig. 4: Beta diversity in CIG cohort.

a-f, Principal coordinates analysis (PCoA) plots of Bray–Curtis dissimilarities, based on all OTUs detected in CIG faecal samples (n = 234), coloured according to a, subject and b-f, relative abundances of Bifidobacterium longum, Bifidobacterium bifidum, Bifidobacterium breve, Bifidobacterium catenulatum group or Bifidobacterium dentium, respectively.