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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Molecular cloning and expression of Arabidopsis fatty acid hydroperoxide lyase.

Fatty acid hydroperoxide lyase (HPOL), an enzyme of the octadecanoid pathway that forms carbon-6 aldehydes such as n-hexanal or (Z)-3-hexenal, was cloned from Arabidopsis thaliana as a full-length cDNA. The HPOL activity obtained by expressing the cDNA in Escherichia coli formed n-hexanal from linoleic acid 13-hydroperoxide, whereas linoleic acid 9-hydroperoxide was not a substrate for the enzyme. The HPOL mRNA is expressed at low level in leaves; however, its accumulation can be found in the inflorescence. Wounding or methyl jasmonate treatments increase the mRNA level in leaves. These results indicate that the HPOL gene is up-regulated in leaves in response to wounding and that the enzyme may be an active component of the octadecanoid defense response.[1]


  1. Molecular cloning and expression of Arabidopsis fatty acid hydroperoxide lyase. Matsui, K., Wilkinson, J., Hiatt, B., Knauf, V., Kajiwara, T. Plant Cell Physiol. (1999) [Pubmed]
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