The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium.

The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium. Research Abstract Details 

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The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium. Abstract Text:

T Matsubara,

The oxidation of cytochromes during the reduction of N2O to N2 by a denitrifying bacterium was studied spectrophotometrically. The reduced b- and c-type cytochromes are partially oxidized when N2O is added to intact cells reduced with lactate under anaerobic conditions. The oxidation of cytochromes is inhibited non-competitively by azide, cyanide, 2,4-dinitrophenol and CuSO4, which inhibit the reduction of N2O to N2. In the presence of each inhibitor at a high concentration, at which the reduction of N2O to N2 is perfectly inhibited, cytochromes are not oxidized by N2O, while when an adequate, low concentration of inhibitor is added, b-type cytochrome is partially oxidized but c-type cytochrome is apparently not oxidized. In cell-free extracts, prepared by the sonic disruption of cells, that have entirely lost their activity in the reduction of N2O to N2, cytochromes are not oxidized by N2O. From the above results, it was concluded that b-type and c-type cytochromes should participate in the electron transport mechanism of the reduction of N2O to N2.

The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium. Publishing Authors By Initials

T Matsubara,

For similar biochemical phenomena, metabolism, and nutrition: metabolism: energy metabolism: oxidation-reduction research abstracts see: biochemical phenomena, metabolism, and nutrition: metabolism: energy metabolism: oxidation-reduction research

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The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of biochemistry

VOLUME: 77

Page Numbers: 627-32

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: Mar

YEAR: 1975

The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium. Information

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LANGUAGE: eng

NlmUniqueID: 376600

The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium. Keywords Mesh Terms:

KEYWORDS: Oxidation-Reduction

MESH TERMS: pharmacology

Chemical & Substance for Abstract: The participation of cytochromes in the reduction of N20 to N2 by a denitryfying bacterium. Information

Substance Name: Nitrogen

Registry Number: 7727-37-9

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Country: JAPAN

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MEDLINETA: J Biochem

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