NADH oxidation by mitochondria from the thermogenic plant Arum orientaleстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The enzyme content of the mitochondrial respiratory chain was investigated in the heat-producing plant Arum orientale. It is shown that mitochondria isolated from thermogenic tissues of this plant (with respect to non-thermogenic tissues of A. orientale or to Zea mays) demonstrate significantly elevated levels of activities of two non-coupled NADH dehydrogenases oxidizing intramitochondrial and cytoplasmic NADH pools. It is postulated that operation of a completely non-coupled respiratory chain consisting of non-coupled NADH:quinone oxidoreductases and cyanide-resistant alternative quinol-oxidase is the main mechanism of heat production in thermogenic plants.