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α-Oxidation of Fatty Acids in Cucumber

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Plant Lipid Metabolism

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Abstract

A major pathway for fatty acid oxidation in several plants is a-oxidation. In animals a-oxidation is an alternative pathway to β-oxidation and the activity is low. The localization and mechanism of a-oxidation is not fully understood either in plants or in animals. An a-oxidation system in plants has been suggested [1] (Fig. 1), the first step involving decarboxylation of a long-chain fatty acid (Cn) to a long-chain aldehyde (Cn-1). This aldehyde is rapidly oxidized by a NAD+ dependent long-chain aldehyde dehydrogenase to the corresponding free fatty acid (Cn-1) which can then be recycled into the sequence for further a-oxidation. Earlier we observed high a-oxidation activity in cucumber, the activity being located in particles sedimenting with a s-value of 10 500 ± 850 S [2].

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References

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Authors and Affiliations

  1. MATFORSK - Norwegian Food Research Institute, Oslovn. 1, N-1430, Ås, Norway

    Grethe Iren Andersen, Pernille Baardseth, Erik Slinde & Astrid Nilsson

  2. Institute of Medical Biochemistry, University of Oslo, N-0317, Oslo, Norway

    Jon Bremer

Authors
  1. Grethe Iren Andersen
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  2. Pernille Baardseth
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  3. Erik Slinde
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  4. Jon Bremer
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  5. Astrid Nilsson
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Jean-Claude Kader Paul Mazliak

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© 1995 Springer Science+Business Media Dordrecht

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Andersen, G.I., Baardseth, P., Slinde, E., Bremer, J., Nilsson, A. (1995). α-Oxidation of Fatty Acids in Cucumber. In: Kader, JC., Mazliak, P. (eds) Plant Lipid Metabolism. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-8394-7_75

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  • DOI: https://doi.org/10.1007/978-94-015-8394-7_75

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-4498-3

  • Online ISBN: 978-94-015-8394-7

  • eBook Packages: Springer Book Archive

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