Table 2.
Functional classes of the corresponding genes of pseudogenes according to the clusters of orthologous groups of proteins (COGs) database in the three sequenced Salmonella genomes
| S.Choleraesuis SC-B67 | S.Typhimurium LT2 | S.Typhi CT18 | |
|---|---|---|---|
| Information storage and processing | |||
| Translation, ribosomal structure and biogenesis | 1 | 1 | 1 |
| Transcription | 10 | 1 | 13 |
| Replication, recombination and repair | 7 | 6 | 29 |
| Cellular processes and signaling | |||
| Cell cycle control, cell division, chromosome partitioning | 1 | 0 | 0 |
| Defense mechanisms | 1 | 0 | 4 |
| Signal transduction mechanisms | 6 | 1 | 8 |
| Cell wall/membrane/envelope biogenesis | 11 | 1 | 13 |
| Cell motility | 5 | 0 | 9 |
| Intracellular trafficking, secretion and vesicular transport | 0 | 0 | 1 |
| Posttranslational modification, protein turnover, chaperones | 10 | 0 | 3 |
| Metabolism | |||
| Energy production and conversion | 15 | 1 | 11 |
| Carbohydrate transport and metabolism | 18 | 7 | 27 |
| Amino acid transport and metabolism | 13 | 3 | 13 |
| Nucleotide transport and metabolism | 2 | 0 | 6 |
| Coenzyme transport and metabolism | 5 | 0 | 7 |
| Lipid transport and metabolism | 3 | 0 | 4 |
| Inorganic ion transport and metabolism | 6 | 0 | 6 |
| Secondary metabolites biosynthesis, transport and catabolism | 2 | 0 | 1 |
| Poorly characterized | |||
| General function prediction only | 23 | 2 | 16 |
| Function unknown | 9 | 2 | 22 |
| Unknown | |||
| Unknown | 3 | 14 | 12 |