Energy conservation in Thiobacillus neapolitanus C6 sulphide and sulphite oxidation.
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چکیده
منابع مشابه
Reduced nicotinamide adenine dinucleotide oxidation by Thiobacillus neapolitanus and Thiobacillus strain C.
A. J. Smith, J. London, and R. Y. Stanier (J. Bacteriol. 94:972, 1967) reported that a number of obligate autotrophs, including Thiobacillus thiooxidans and T. thioparus, lacked reduced nicotinamide adenine dinucleotide (NADH2) oxidase activity, although this activity was readily detected in the facultative autotrophs T. intermedius and Hydrogenomonas eutropha. They suggested that the absence o...
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Thiobacillus neapolitanus, when grown in continuous culture with thiosulfate limiting growth, possessed an apparent maximal molar growth yield of 8.0 g (dry weight) per mole of thiosulfate. The substrate requirement for energy of maintenance was the highest yet reported, amounting to 21.8 mmoles of thiosulfate per g per hr. The molar growth yield, corrected for this maintenance energy requireme...
متن کاملMicrobiological Fractionation of Sulphur Isotopes.
A fractionation of sulphur isotopes was found in all hetabolic processes investigated except those in which elemental sulphur was the starting substrate for growth of Thiobacillus concretivorus and Chromatiurn sp. and for reduction by Saccharomyces cerevisiae. Except for polythionates formed during sulphide oxidation by T. concretivorus or Chromatiurn sp., the products of metabolism were enrich...
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Transient-state experiments with the obligately autotrophic Thiobacillus sp. strain W5 revealed that sulfide oxidation proceeds in two physiological phases, (i) the sulfate-producing phase and (ii) the sulfur- and sulfate-producing phase, after which sulfide toxicity occurs. Specific sulfur-producing characteristics were independent of the growth rate. Sulfur formation was shown to occur when t...
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Anaerobic sulphide oxidation in the light was studied with seven cyanobacterial strains isolated from the southern Baltic Sea. All strains oxidized sulphide (1.2-3.5 mM) stoichiometrically to thiosulphate. No elemental sulphur could be detected as end product of anoxygenic photosynthesis. Sulphite as intermediate sulphur compound was released into the growth medium during anaerobic sulphide oxi...
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ورودعنوان ژورنال:
- Journal of general microbiology
دوره 98 1 شماره
صفحات -
تاریخ انتشار 1977