Table 2.
COG functional categories with altered expression (z score > 2.0) in biofilm cells compared to reactor, planktonic cells (exponential-phase)
| COG Function Categories | Up | Down |
|---|---|---|
| Amino acid transport and metabolism |
6 |
28 |
| Carbohydrate transport and metabolism |
4 |
1 |
| Cell cycle control, cell division, chromosome partitioning |
- |
2 |
| Cell motility |
5 |
1 |
| Cell wall/membrane/envelope biogenesis |
5 |
5 |
| Chromatin structure and dynamics |
- |
- |
| Coenzyme transport and metabolism |
4 |
11 |
| Defense mechanisms |
- |
2 |
| Energy production and conversion |
22 |
24 |
| Function unknown |
7 |
5 |
| General function prediction only |
10 |
15 |
| Inorganic ion transport and metabolism |
4 |
5 |
| Intracellular trafficking, secretion, and vesicular transport |
2 |
4 |
| Lipid transport and metabolism |
1 |
5 |
| Nucleotide transport and metabolism |
- |
1 |
| Posttranslational modification, protein turnover, chaperones |
8 |
4 |
| Replication, recombination and repair |
1 |
9 |
| Secondary metabolites biosynthesis, transport and catabolism |
1 |
3 |
| Signal transduction mechanisms |
22 |
3 |
| Transcription |
3 |
6 |
| Translation, ribosomal structure and biogenesis | 1 | 21 |