Effect of molybdenum on the efficiency of tetrathionate utilisation by chemostat cultures ofSulfolobus BC |
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| Authors: | Buckingham J. A. Stanbury P. F. LeRoux N. W. |
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| Affiliation: | (1) Department of Biological Sciences, Hatfield Polytechnic, AL10 9AB Hatfield, Herts., England;(2) Biotechnology and Separations Division, Department of Trade and Industry, Warren Spring Laboratory, SG1 2BX Stevenage, Herts., England |
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| Abstract: | Summary Continuous cultures ofSulfolobus BC oxidising tetrathionate were found not to be tetrathionate limited, but molybdenum limited. Incorporation of only 1.3 M Na2MoO4 into the medium of autotrophically grown, continuous cultures ofSulfolobus BC oxidising 15mM tetrathionate at a dilution rate of 0.029h–1 increased the steady state biomass from absorbance (660nm) 0.160 to 0.315. The biomass yield gave a corresponding increase from 5.93±0.84 to 11.52±0.68 g dry weight mol–1 tetrathionate oxidised. |
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