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. 2016 Nov 15;17:226. doi: 10.1186/s13059-016-1087-9

Fig. 1.

Fig. 1

Phylogenetic trees of the parasites used in this study shaded according to their host and metabolic strategy. Green indicates plant parasites that obtain energy from carbohydrate catabolism (low nitrogen availability, L N). Yellow indicates animal parasites that obtain energy from carbohydrate catabolism (medium nitrogen availability, M N). Orange indicates animal parasites that obtain energy from amino acid and/or amino sugar catabolism (high nitrogen availability, H N)