‘Green’ …yet wasting energy? - mitochondrial respiration in plants

Moore, Anthony L., Albury, Mary S. and Crichton, Paul G. (2006) ‘Green’ …yet wasting energy? - mitochondrial respiration in plants. The Biochemist, 28 (4). pp. 13-16. ISSN 0954-982X

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Abstract

Plant mitochondria are characterized by the presence of both phosphorylating (cytochrome) and non-phosphorylating (alternative) pathways, the activity of which directly affects the efficiency of mitochondrial energy conservation. The cyanide-insensitive AOX (alternative oxidase) is located on the inner surface of the inner membrane, results in the oxidation of ubiquinol and the net reduction of oxygen to water, is non-protonmotive and is considered to be one of the newest members of the di-iron carboxylate group of proteins. In thermogenic tissues it plays a key role in pollination and the maintenance of a warm environment for the flower, whereas in non-thermogenic tissues functions include acting as an energy overflow, part of the oxygen defence mechanism and maintaining plant growth homoeostasis.

Item Type: Article
Uncontrolled Keywords: alternative oxidase,atp,di-iron protein,plant mitochondrion,respiration,thermogenesis
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
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Depositing User: Pure Connector
Date Deposited: 03 Nov 2016 11:00
Last Modified: 26 Jul 2018 15:38
URI: https://ueaeprints.uea.ac.uk/id/eprint/61221
DOI:

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