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Jan T. Keltjens William B. Whitman C. Gerda Caerteling Annette M. van Kooten Ralph S. Wolfe Godfried D. Vogels 《Biochemical and biophysical research communications》1982,108(2):495-503
2-Mercaptoethanesulfonic acid (coenzyme M), or a derivative of it, and a yellow chromophore, known as the nickel-containing tetrapyrrole factor F430, occur in the prosthetic group of methylcoenzyme M reductase in an equimolar amount, and bound to each other; this enzyme catalyzes the final step of methane production. The prosthetic group, which is called coenzyme MF430, was isolated from the purified enzyme and was extracted from cells. The presence of coenzyme M was confirmed by a bioassay using Methanobrevibacter ruminantium and by the use of chemical and physicochemical analyses. 相似文献
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Summary The use of reticulated polyurethane foam as a support material for the immobilization of methanogenic associations and its application to the anaerobic treatment of fine particulate solid wastes was investigated. The colonization of polyurethane support particles in a continuous upflow reactor fed on a mixture of acetate, propionate and butyrate, was both rapid and dense. The combination of rumen microorganisms and colonized support particles in a two-phase digester resulted in an efficient anaerobic decomposition of papermill sludge. 相似文献
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