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Figure 4 | BMC Genomics

Figure 4

From: MLTreeMap - accurate Maximum Likelihood placement of environmental DNA sequences into taxonomic and functional reference phylogenies

Figure 4

Functional characterization of metagenomes. A) Three published environmental sequence datasets have been searched for instances of the RuBisCo and RuBisCo-like enzyme families, using MLTreeMap. Colored spheres represent sequences mapping to a specific position in the tree, whereby the area of each sphere indicates the relative amount of sequences. The resulting placements are largely non-overlapping, suggesting distinct functional RuBisCo classes encountered/required at each of the environmental sites. B) Several datasets, as available at [69] and [70], were assessed with respect to two metabolic functions (CO2 fixation, and nitrogen fixation, respectively). All counts were normalized with respect to sampling depth, and are thus directly comparable.

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