Physiological Studies on Thiobacilli |
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Authors: | Tatsuo Tano Hiroaki Kagawa Kazutami Imai |
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Institution: | Department of Agricultural Chemistry, Okayama University |
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Abstract: | The electrophoretically pure preparation of cytochrome c from Thiobacillus thiooxidans was obtained. The absorption spectrum exhibited maxima at 415, 521 and 550 mμ in reduced form. The various properties of the cytochrome were very close to these of mammalian cytochrome c, i. e., absorption spectrum, electrophoretic pattern, isoelectric point and E0′.Electrophoretically homogenous preparation of NADPH-cytochrome c oxidoreductase was isolated from the soluble fraction of Thiobacillus thiooxidans. The purification of the enzyme was carried out using the fractionation with ammonium sulfate, the treatment with Amberlite IRC-50 and the disk electrophoresis. |
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