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Figure 1 | Genome Biology

Figure 1

From: Evolution of gene fusions: horizontal transfer versus independent events

Figure 1

Phyletic patterns of fusion-linked COGs. Each pair of COGs is represented by a double column. The dark-gray rectangles indicate fusions, the light-gray rectangles indicate that the fusion components are represented by stand-alone genes in the given genomes, and the white rectangles indicate that there is no representative of the given COG in the given genome. Where one rectangle in a double column is light gray and the other is white, the genome in question has a representative of only one of the pair of fusion-linked COGs. Species abbreviations are as listed in Materials and methods.

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