Table 2.
Functional distribution of orthologous protein groups of D. phosphitoxidans genome (COG classification)
| COG categories | Gene count | % of total (4699) |
|---|---|---|
| I. Information storage and processing: | ||
| Translation, ribosomal structure and biogenesis | 171 | 3.63 |
| Transcription | 222 | 4.72 |
| DNA replication, recombination and repair | 160 | 3.40 |
| II. Cellular process: | ||
| Cell cycle control and division, chromosome partitioning | 48 | 1.02 |
| Posttranslational modification, protein turnover, chaperones | 117 | 2.49 |
| Cell envelope biogenesis, outer membrane | 256 | 5.45 |
| Cell motility | 56 | 1.19 |
| Intracellular trafficking, secretion, vesicular transport | 103 | 2.19 |
| Inorganic ion transport and metabolism | 209 | 4.45 |
| - Phosphorus metabolism (phosphate, phosphite and organophosphonates | 31 | |
| - Sulphur and nitrogen | 22 | |
| - Other | 156 | |
| Signal transduction mechanisms | 354 | 7.53 |
| Defence mechanisms/Stress | 78 | 1.66 |
| III. Metabolism: | ||
| Energy production and conversion | 424 | 9.02 |
| Carbohydrate transport and metabolism | 182 | 3.87 |
| - Phosphorus – related (PTS system and sugar phosphate permeases) | 14 | |
| Amino acid transport and metabolism | 332 | 7.06 |
| Nucleotide transport and metabolism | 66 | 1.41 |
| Coenzyme metabolism | 204 | 4.34 |
| Lipid metabolism | 127 | 2.70 |
| Secondary metabolites biosynthesis, transport and catabolism | 84 | 1.79 |
| IV. General function prediction only | 491 | 10.45 |
| V. Unknown function | 309 | 6.58 |
| VI. Not in COGs | 1051 | 22.37 |