Table 4.
Paralogous gene families expanded in TT
| Description | COG numbers | Number of representatives in DR | Number of representatives in TT |
| Uncharacterized protein conserved in cyanobacteria, Uma2 homolog | COG4636 | 3 | 15 |
| Rhodanese-related sulfurtransferase | COG0607 | 2 | 6 |
| ABC-type sugar transport system, periplasmic component | COG1653 | 1 | 8 |
| ABC-type sugar transport system, permease component | COG0395 | 1 | 6 |
| ABC-type sugar transport systems, ATPase components | COG3839 | 1 | 3 |
| ABC-type sugar transport systems, permease components | COG1175 | 2 | 6 |
| ABC-type Fe3+ transport system, permease component | COG1178 | 1 | 3 |
| Fe2+/Zn2+ uptake regulation proteins | COG0735 | 1 | 3 |
| Minimal nucleotidyl transferases | COG1708,COG1669 | 0,3 | 3,5 |
| PIN-like nucleases | COG1487, COG3744, COG4113, COG4374 COG1848 | 3,0 0,1 1 |
2,2 1,1 3 |
| Antitoxin of toxin-antitoxin stability system | COG4118, COG2161 | 1,3 | 3,2 |
| Nucleotide-binding proteins of the UspA family | COG0589 | 2 | 4 |
| TRAP-type mannitol/chloroaromatic compound transport system, periplasmic component | COG4663 | 0 | 3 |
| TRAP-type mannitol/chloroaromatic compound transport system, small permease component | COG4665 | 0 | 2 |
| TRAP-type mannitol/chloroaromatic compound transport system, large permease component | COG4664 | 0 | 2 |
| Arabinose efflux permease | COG2814 | 0 | 2 |
| Predicted phosphoesterases, related to the Icc protein | COG2129 | 0 | 2 |
| HEPN, Nucleotide-binding domain | COG2250 | 0 | 2 |
| Aldehyde:ferredoxin oxidoreductase | COG2414 | 0 | 3 |
| S-adenosylmethionine decarboxylase | COG1586 | 0 | 2 |
| Tfp pilus assembly protein FimT | COG4970 | 0 | 2 |
| Tfp pilus assembly protein PilE | COG4968 | 0 | 2 |