| Species | Size (millions of base pairs) | Number of predicted genes |
|---|---|---|
| Archaea | ||
| Archaeoglobus fulgidus | 2.18 | 2407 |
| Methanobacterium thermoautotrophicum | 1.75 | 1869 |
| Nanoarchaeum equitans | 0.490 | 536 |
| Eubacteria | ||
| Bacillus subtilis | 4.21 | 4100 |
| Bradyrhizobium japonicum | 9.11 | 8317 |
| Escherichia coli | 4.64 | 4289 |
| Haemophilus influenzae | 1.83 | 1709 |
| Mycobacterium tuberculosis | 4.41 | 3918 |
| Mycoplasma genitalium | 0.58 | 480 |
| Staphylococcus aureus | 2.88 | 2697 |
| Vibrio cholerae | 4.03 | 3828 |
|
Source: Data from the Genome Atlas of the Center for Biological Sequence Analysis, http:/ |
||