3-Hydroxybutyrate dehydrogenase in the liver mitochondria of rats and chickens

The activity of mitochondrial 3-hydroxybutyrate dehydrogenase (EC 1.1.1.30) in rat and chicken liver was found to be comparable with the activity of electron transport chain of rat liver mitochondria. This activity is absent in chicken liver mitochondria, which are devoid of the 3-hydroxybutyrate ox...

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Bibliographic Details
Published inBiokhimiia (Moscow, Russia) Vol. 48; no. 12; p. 2028
Main Authors Fisinin, V I, Biriukov, A G, Shol'ts, K F
Format Journal Article
LanguageRussian
Published Russia (Federation) 01.12.1983
Subjects
Animals
Chickens
Electron Transport
Fatty Acids - metabolism
Hydroxybutyrate Dehydrogenase - metabolism
Magnesium - metabolism
Mitochondria, Liver - enzymology
Oxidation-Reduction
Rats
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Summary:The activity of mitochondrial 3-hydroxybutyrate dehydrogenase (EC 1.1.1.30) in rat and chicken liver was found to be comparable with the activity of electron transport chain of rat liver mitochondria. This activity is absent in chicken liver mitochondria, which are devoid of the 3-hydroxybutyrate oxidase activity. Both types of mitochondria have nearly identical respiration parameters but respond differently to Mg2+. It was assumed that chicken liver mitochondria are characterized by a low rate of fatty acids oxidation due to the absence of 3-hydroxybutyrate dehydrogenase in these organelles.
ISSN:0320-9725