Rods in liquid culture 0.5-1.0x2-15 Mm. some strains are motile. Aerobic stain Gram negative. Alkaliphilic with no growh occurring below pH 8.5. chemohererorrophic. The polar lipids are characterized by C20 C20 and C20 C25 derivative. Glycolipids and PGS are absent. Found in soda lakes alkaline salterns and soda soils.
Type species Natronobacterium gregoryi
Differentiation of the species of the genus Natronobacterium. See Tible 33.6