1.8.99.B2 cell culture enzyme activity measured using ferricyanide as the electron acceptor is detected in cell extracts of Astrain ATCC 23270 grown on tetrathionate or sulfur, but no activity is detected in ferrous iron-grown cells 741675 1.8.99.B2 culture condition:sulfur-grown cell NaCl at an optimum concentration of 0.35 M stimulates the growth of strain SH on elemental sulfur, while LiCl and KCl cannot sustain the growth of strain SH -, 742121 1.8.99.B2 additional information NaCl at an optimum concentration of 0.35 M stimulated the growth of strain SH on elemental sulfur, while LiCl and KCl cannot sustain the growth -, 742121