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Alternative NAD(P)H dehydrogenases of plant mitochondria

Author:
  • Allan Rasmusson
  • KL Soole
  • TE Elthon
Publishing year: 2004
Language: English
Pages: 23-39
Publication/Series: Annual Review of Plant Physiology and Plant Molecular Biology
Volume: 55
Document type: Journal article review
Publisher: Annual Reviews

Abstract english

Plant mitochondria have a highly branched electron transport chain that provides great flexibility for oxidation of cytosolic and matrix NAD(P)H. In addition to the universal electron transport chain found in many organisms, plants have alternative NAD(P)H dehydrogenases in the first part of the chain and a second oxidase, the alternative oxidase, in the latter part. The alternative activities are nonproton pumping and allow for NAD(P)H oxidation with varying levels of energy conservation. This provides a mechanism for plants to, for example, remove excess reducing power and balance the redox poise of the cell. This review presents our current understanding of the alternative NAD(P)H dehydrogenases present in plant mitochondria.

Keywords

  • Biological Sciences
  • internal
  • NADH
  • dehydrogenases
  • external

Other

Published
  • ISSN: 1040-2519
Allan Rasmusson
E-mail: allan [dot] rasmusson [at] biol [dot] lu [dot] se

Professor

Molecular Cell Biology

+46 46 222 93 81

B-A329A

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