Fig. 8
Phyla mainly responsible for α-glucan degradation in the anaerobic digesters: Phylogenetic distribution of phylum level of Homology to Peptide (HotPep)-predicted α-glucan-degrading enzymes in the five phyla with highest number of HotPep-predicted α-glucan-degrading enzymes. Enzyme Commission (EC) numbers are on the left and the phyla are on the right side. The outer ring designates the relative abundance of genes from a given phylum (left) and the relative abundance of a given α-glucan-degrading enzyme (right); the inner ring designates the total number of genes encoding for a given α-glucan-degrading enzyme (left) and the total number of α-glucan-degrading enzyme associated with a given phylum. The width of the bars between a given phylum and a given α-glucan-degrading enzyme indicates their relative abundance to the other phyla mentioned