Nov 1, 1976

Mechanism of methane oxidation by intact cells of obligate methylotrophs

Mikrobiologiia
Iu R MalashenkoT P Kryshtab

Abstract

Ethane and propane were found to be competitive inhibitors of methane oxidation. Obligate methylotrophs can oxidize ethane only in the presence of methane, i.e. co-oxidation of ethane takes place. Studies on the kinetics of simultaneous oxidation of ethane and methane have shown that their oxidation is catalysed by one and the same enzyme system, within one and the same enzyme active site; therefore, the absolute substrate specificity is absent. The reactions of methane and ethane oxidation are coupled since ethane can be oxidized only after the reduced coenzyme had been provided by the reaction of methane oxidation.

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Mentioned in this Paper

Methane
Methylococcaceae
Oxidation
Propane
Oxidation-Reduction
Ethane
Coenzymes

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