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Percival FW, Purves WK. Multiple amine oxidases in cucumber seedlings. Plant Physiol. 1974;54(4):601-7doi: 10.1104/pp.54.4.601.
Percival, F. W., & Purves, W. K. (1974). Multiple amine oxidases in cucumber seedlings. Plant physiology, 54(4), 601-7. https://doi.org/10.1104/pp.54.4.601
Percival, F W, and Purves, W K. "Multiple amine oxidases in cucumber seedlings." Plant physiology vol. 54,4 (1974): 601-7. doi: https://doi.org/10.1104/pp.54.4.601
Percival FW, Purves WK. Multiple amine oxidases in cucumber seedlings. Plant Physiol. 1974 Oct;54(4):601-7. doi: 10.1104/pp.54.4.601. PMID: 16658936; PMCID: PMC367461.
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Plant Physiol. 1974 Oct;54(4):601-7. doi: 10.1104/pp.54.4.601.

Multiple amine oxidases in cucumber seedlings.

Plant physiology

F W Percival, W K Purves

Affiliations

  1. Department of Biological Sciences, University of California, Santa Barbara, California 93106.

PMID: 16658936 PMCID: PMC367461 DOI: 10.1104/pp.54.4.601

Abstract

Cell-free extracts of cucumber (Cucumis sativus L. cv. National Pickling) seedlings were found to have amine oxidase activity when assayed with tryptamine as a substrate. Studies of the effect of lowered pH on the extract indicated that this activity was heterogeneous, and three amine oxidases could be separated by ion exchange chromatography. The partially purified enzymes were tested for their activities with several substrates and for their sensitivities to various amine oxidase inhibitors. One of the enzymes may be a monoamine oxidase, although it is inhibited by some diamine oxidase inhibitors. The other two enzymes have properties more characteristic of the diamine oxidases. The possible relationship of the amine oxidases to indoleacetic acid biosynthesis in cucumber seedlings is discussed.

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