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. 2018 Apr 16;9:738. doi: 10.3389/fmicb.2018.00738

FIGURE 6.

FIGURE 6

Groups of orthologous proteins in Holospora spp. and Rickettsiales. Numbers in cells indicate either the number of orthologous groups, or, in the case of unique genes, the number of singletons. Numbers in bold represent groups of orthologous groups common for either macronuclear (8) or all (102) Holospora. OGs common for the macronuclear endosymbionts are two OGs encoding alpha/beta hydrolases; one, a possible aspartate/glutamate racemase or a malate isomerase; one, nucleotide sugar epimerase; one OG had an unknown function; and three remaining OGs encode short proteins, of which one was similar to the DDE superendonuclease, and another one has a predicted signal peptide. Of 102 Holospora-specific OGs: 30 are secreted, 37 contain putative transmembrane helices; 17 HOGs contain short peptides, of which 5 are potentially secreted.