Rubrivivax Willems et al. 1991
General information
Description and emendation
Cells are straight to slightly curved rods, 0.4 to 0.7 by 1 to 3 μm. Irregularly curved cells up to 15 μm long may occur in older cultures. Sheaths are not formed. Cells are motile by means of a polar flagellum. Gram negative. Under anaerobic conditions in the light, photoheterotrophic growth with various organic substrates as electron donors or photoautotrophic growth in the presence of H2, CO2, and growth factors is possible. In the dark, chemoautotrophic growth with CO as a sole carbon and energy source and aerobic chemoheterotrophic growth with various organic substrates are also possible. bacteriochlorophyll a and carotenoids are present as photosynthetic pigments. Small fingerlike invaginations of the cytoplasmic membrane represent photosynthetic membranes. Nitrogen may be fixed under photoautotrophic growth conditions. Colonies are pink to deep red because of photosynthetic pigments; heterotrophically grown colonies are initially faintly pink. The G+C values of the DNA range from 70.0 to 72.5 mol%.
Subdivision(s)
MID | Name | Rank | Taxon ID |
---|---|---|---|
M022503010014002 | Rubrivivax benzoatilyticus | Species | 316997 |
M022503010014001 | Rubrivivax gelatinosus | Species | 28068 |