Table 2. Differences in gene content between the four strains of the genus Polynucleobacter investigated taxonomically .
The table represents an incomplete list of differences between genomes.
| Genes putatively encoding: | QLW-P1DMWA-1T | MWH-JaK3T | MWH-HuW1T | MWH-MoK4T | |
|---|---|---|---|---|---|
| Inorganic nutrients | |||||
| ABC-type Fe3+ transport system | − | + | + | + | |
| feoAB genes (uptake of Fe2+) | + | + | + | − | |
| ABC-type nitrate/nitrite/cyanate transporter | + | + | − | − | |
| Nitrate reductase (assimilatory) | + | + | − | − | |
| Nitrite reductase (assimilatory) | + | + | − | − | |
| Cyanate lyase (releases NH3 and CO2 from cyanate) | + | + | − | − | |
| Urease and ABC-type urease transporter | + | − | − | − | |
| Oxidative phosphorylation/energy metabolism | |||||
| Cytochrome bd-I terminal oxidase (CydAB) | + | − | + | − | |
| Fumarate reductase | − | + | − | + | |
| Carbon monoxide dehydrogenase | − | + | − | + | |
| Acetate permease actP | + | − | − | − | |
| Anoxygenic photosynthesis | |||||
| Photosynthesis gene cluster | − | − | − | + | |
| Motility | |||||
| Flagella genes | − | − | − | + | |
| Oxidative stress | |||||
| Catalase | 2 genes | 1 gene | − | − | |
| Other | |||||
| Cellulose synthase operon protein C | + | − | − | − | |
| Cellulose synthase catalytic subunit [UDP-forming] | + | − | − | − | |