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Alternative NAD(P)H dehydrogenases of plant mitochondria

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Author

Summary, in 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.

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

Topic

  • Biological Sciences

Keywords

  • internal
  • NADH
  • dehydrogenases
  • external

Status

Published

Research group

  • Plant Biology

ISBN/ISSN/Other

  • ISSN: 1040-2519