Chemoheterotrophic obligate extreme halophilic archeon. Halobacterium salinarum R1 strain:R1

Halobacterium salinarium strain R1. Halobacterium salinarium strain R1(DSM 671) forms translucent red colonies as opposed to the opaque pink colonies formed by Halobacterium salinarium NRL. Strain R1 has no gas vacuoles and will be used for comparison with other Halobacterium species.