Effect of molybdenum on the efficiency of tetrathionate utilisation by chemostat cultures ofSulfolobus BC期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Effect of molybdenum on the efficiency of tetrathionate utilisation by chemostat cultures ofSulfolobus BC

Authors:	Buckingham J A Stanbury P F LeRoux N W

Institution:	(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

Abstract:	Summary Continuous cultures ofSulfolobus BC oxidising tetrathionate were found not to be tetrathionate limited, but molybdenum limited. Incorporation of only 1.3M 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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