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Alternative NAD(P)H dehydrogenases of plant mitochondria

Författare:
Publiceringsår: 2004
Språk: Engelska
Sidor: 23-39
Publikation/Tidskrift/Serie: Annual Review of Plant Biology
Volym: 55
Dokumenttyp: Artikel
Förlag: Annual Reviews

Sammanfattning

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.

Disputation

Nyckelord

  • Biology and Life Sciences
  • internal
  • NADH
  • dehydrogenases
  • external

Övriga

Published
Yes
  • ISSN: 1040-2519

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