Inhibition of PD-1 Protects against TNBS-Induced Colitis via Alteration of Enteric Microbiota

Figure 4

Cluster heat map analysis of the (a) top nine predictive operational taxonomic units (OTUs) at the phylum level and (b) top 35 predictive OTUs at the genus level. Blue indicates a negative correlation, and red indicates a positive correlation. The -axis indicates the sample information, and the -axis contains the annotation information for the species. The tree on the left indicates species clustering.

(a)

(b)