Species Halobacterium Strain wild type Optical density (600nm) 0.7 oxygen 50 percent illumination true Light Na 4280000 micromolar Cl 4307000 micromolar MgSO4.7H2O 80000 micromolar Na3C6H5O7 10000 micromolar K 27000 micromolar temperature 37 C Uracil 0 ug/ml Oxoid peptone 1 percent Fe 0.0 micromolar Cu 0.0 micromolar Ni 0.0 micromolar Mn 0.0 micromolar Co 0.0 micromolar Zn 0.0 micromolar DIP 0.0 micromolar H2O2 0.0 micromolar EMS 0.0 micromolar uv 0.0 Jm^-2 gamma 0.0 Gy