FIG. 2.

Effect of various salts on the growth rate of C. salexigens DSM 3043. Cells were grown as described in the legend to Fig. 1, except that they were subcultured from Luria broth with 1 M NaCl into M63-5× Mg-Fe-10 mM glucose-1.0 M NaCl. Growth rates were determined after a second subculture into M63-5× Mg-Fe-10 mM glucose-0.3 M NaCl-0.7 M salt or 1.1 M glucose. The final density of all cultures was ∼2 × 10⁹ cells/ml (A₆₀₀ = 1.2 to 1.5), except for those grown in 0.3 M NaCl or 0.3 M NaCl-1.1 M glucose (in which case there was no growth).