TABLE 4.
Chemolithoautotrophic alkaliphilic sulfur bacteria able to grow on thiocyanate as an energy source
| Samplea | Strain | Morphology | Growth
with S2O32− at pH 10
|
G+C content of DNA (mol%)b | |
|---|---|---|---|---|---|
| N source(s) | 2-4 M Na+ | ||||
| LK | ARh 1 | Fat nonmotile rods with capsule, sulfur deposited inside cells, colorless | NH3 | − | 65.6 |
| ARh 2 | Thin vibrios, spirilla in old cultures, motile with one polar flagellum, yellow pigmented | NH3, NO3− | + | 66.2 | |
| ARh 3 | Same as ARh 2 | NH3 | + | 66.9 | |
| LS | ARh 4 | Short thick vibrios, motile with one polar flagellum, colorless | CNS−, NH3, NO3− | − | 66.3 |
a
LK, Kenyan lake sediments; LS, Siberian lake sediments.
b
Determined by the melting temperature method.