Table 1.
COG functional categories with altered expression (z score > 2.0) in biofilm cells compared to batch, planktonic cells (exponential-phase)
| COG Function Categories | Up | Down |
|---|---|---|
| Amino acid transport and metabolism |
19 |
20 |
| Carbohydrate transport and metabolism |
11 |
3 |
| Cell cycle control, cell division, chromosome partitioning |
- |
- |
| Cell motility |
15 |
2 |
| Cell wall/membrane/envelope biogenesis |
8 |
5 |
| Chromatin structure and dynamics |
- |
- |
| Coenzyme transport and metabolism |
11 |
8 |
| Defense mechanisms |
- |
3 |
| Energy production and conversion |
44 |
17 |
| Function unknown |
13 |
9 |
| General function prediction only |
18 |
12 |
| Inorganic ion transport and metabolism |
12 |
8 |
| Intracellular trafficking, secretion, and vesicular transport |
5 |
6 |
| Lipid transport and metabolism |
- |
10 |
| Nucleotide transport and metabolism |
3 |
4 |
| Posttranslational modification, protein turnover, chaperones |
11 |
3 |
| Replication, recombination and repair |
5 |
5 |
| Secondary metabolites biosynthesis, transport and catabolism |
3 |
3 |
| Signal transduction mechanisms |
40 |
9 |
| Transcription |
11 |
9 |
| Translation, ribosomal structure and biogenesis | 2 | 44 |