Abstract:
:The algae Mougeotia and Eremosphaera were used for isolation of microbodies with the characteristics of leaf peroxisomes and unspecialized peroxisomes, respectively. In both types of organelles, the following enzymes of the beta-oxidation pathway were determined: acyl-CoA oxido-reductase, enoyl-CoA hydratase, and 3-hydroxyacyl-CoA dehydrogenase. There are indications that the peroxisomal oxidoreductase of both algae is a H(2)O(2)-forming oxidase rather than a dehydrogenase.The enzymes enoyl-CoA hydratase and acyl-CoA oxidoreductase are located also in the mitochondria from Eremosphaera but not from Mougeotia. The mitochondrial acyl-CoA oxidizing enzyme was found to be a dehydrogenase. The specific activities of acyl-CoA oxidase and enoyl-CoA hydratase are lower than in spinach leaf peroxisomes. However, the activity of 3-hydroxyacyl-CoA dehydrogenase in the peroxisomes of both algae is almost 2-fold higher. The capability for degradation of fatty acids is a common feature of all different types of peroxisomes from algae.
journal_name
Plant Physioljournal_title
Plant physiologyauthors
Stabenau H,Winkler U,Säftel Wdoi
10.1104/pp.75.3.531subject
Has Abstractpub_date
1984-07-01 00:00:00pages
531-3issue
3eissn
0032-0889issn
1532-2548journal_volume
75pub_type
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