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

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

Authors:	Buckingham J. A. Stanbury P. F. LeRoux N. W.

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

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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