Results 181 to 190 of about 2,360 (216)

Formate utilization by Nitrobacter wibogradskyi

Biochimica et Biophysica Acta (BBA) - General Subjects, 1966
Abstract 1. 1. Formate is actively oxidized by Nitrobacter winogradskyi. The pH that is optimal for formate oxidation is different from the optimum pH for nitrite oxidation 2. 2. The same respiratory chain is used between cytochrome c and oxygen for nitrite and formate oxidation. 3. 3. Energy from formate oxidation is used to CO2 fixation
A, Van Gool, H, Laudelout
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Particulate formate oxidase from Nitrobacter agilis

Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1970
Abstract 1. The nitrite oxidase particles obtained by sonic oscillation of Nitrobacter agilis cells also possessed appreciable formate oxidase activity, ranging from about 25 to 50% of the nitrite oxidase activity depending upon the N. agilis strain.
J C, O'Kelley, A, Nason
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Exogenous Respiration in Nitrobacter

Nature, 1960
DURING the course of an investigation of the oxidation of nitrite by the nitrite-oxidizing bacterium, Nitrobacter, it was noted that the addition of sodium nitrite but not sodium nitrate to heavy cell suspensions caused the immediate appearance of reduced cytochrome bands at 590, 551 and 513 mµ when viewed in the hand spectroscope1.
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Photoinaktivierung von Nitrobacter winogradskyi Buch

Archiv f�r Mikrobiologie, 1961
1. Licht hemmt die Oxydationstatigkeit von Nitrobacter winogradskyi bis zur volligen Oxydationsruhe. 2. Die Inaktivierung ist um so starker, je langer das Licht einwirkt und je starker die Lichtintensitat ist. 3. Nach totaler Photoinaktivierung setzt im Dunkeln eine Erholung ein. 4. Die Reaktivierung beginnt um so
Mariegret M�ller-Neugl�ck, Horst Engel   +1 more
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An amperometric enzyme-linked immunosensor for Nitrobacter

Applied Microbiology and Biotechnology, 1998
A new amperometric enzyme-linked immunoassay for specific enumeration of Nitrobacter has been developed. This assay uses an electrode made of glassy carbon, on which the immunological reaction is carried out. The method is based on a competitive immunoassay principle, utilising monoclonal primary antibody and alkaline-phosphatase-labelled secondary ...
B, Sandén, L H, Eng, G, Dalhammar
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Characterization of cytochrome c from Nitrobacter Agilis

Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1969
Abstract Cytochrome c from Nitrobacter agilis was isolated and purified approx. 60-fold. Absorption spectra of both the oxidized and the reduced Nitrobacter cytochrome c and the oxidized minus reduced difference spectrum of this cytochrome were essentially identical to the corresponding spectra of horse-heart cytochrome c .
P A, Ketchum, H K, Sanders, J W, Gryder, A, Nason   +3 more
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The mechanism of nitrite oxidation by Nitrobacter winogradskyi

Biochimica et Biophysica Acta (BBA) - Enzymology and Biological Oxidation, 1966
Summary 1. With exception of certain narcotics, the effect of classical inhibitors on the nitrite respiration of Nitrobacter winogradskyi was in agreement with the usual inhibition pattern characteristic of a cytochrome respiratory chain. Strong inhibition by quinacrine and its reversal by flavin-adenine dinucleotide shows that a flavin is ...
A, Van Gool, H, Laudelout
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Characterization of Nitrobacter agilis immobilized in calcium alginate

Enzyme and Microbial Technology, 1986
Nitrobacter agilis cells have been immobilized in calcium alginate and the resulting preparation was used as a biocatalyst for the oxidation of nitrite to nitrate ions. The influence of pH, temperature, and the size and cell load of the biocatalyst beads on the activity was determined, as well as the storage and operational stability of the system. The
Tramper, J., de Man, A.W.A.
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Growth of Nitrobacter in the presence of organic matter

Archives of Microbiology, 1976
1. After a resting period of up to 6 months cells of Nitrobacter agilis grow with acetate, formate, and pyruvate as carbon and energy source. Yeast extract and peptone were added to supply the organism with nitrogen and to meet possible vitamin requirements. 2.
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Immunofluorescence studies of Nitrobacter populations in soils

Canadian Journal of Microbiology, 1977
Certain steps of a protocol to enumerate a bacterium directly in soil by immunofluorescence were studied with respect to the enumeration of Nitrobacter in soils of diverse properties. Maximal counts of Nitrobacter were obtained by varying factors involved in the release of bacteria from the soil.
R J, Rennie, E L, Schmidt
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