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Characterization of Lipoxygenase from Fungi of the Genus Mortierella

Characterization of Lipoxygenase from Fungi of the Genus Mortierella The specific activity of lipoxygenase from several strains of the zygomycete Mortierellavaried from 1.02 to 2.02 μmol diene per min per mg protein. The enzyme equally used linoleic or arachidonic acid as a substrate. An increase in lipoxygenase activity was observed after adding corn oil to the culture medium. Tests with inhibitors having different chemical structures revealed that the lipoxygenase activity from Mortierellacells was inhibited only by esculetin, ethanol, and nordihydroguaiaretic acid (NDGA). NDGA inhibited the enzyme in vitro(IC50=142 μM), but its addition in the exponential phase of growth activated the enzyme. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

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References (20)

Publisher
Springer Journals
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Medical Microbiology; Biochemistry, general; Microbiology
ISSN
0003-6838
eISSN
1608-3024
DOI
10.1023/A:1010289806262
Publisher site
See Article on Publisher Site

Abstract

The specific activity of lipoxygenase from several strains of the zygomycete Mortierellavaried from 1.02 to 2.02 μmol diene per min per mg protein. The enzyme equally used linoleic or arachidonic acid as a substrate. An increase in lipoxygenase activity was observed after adding corn oil to the culture medium. Tests with inhibitors having different chemical structures revealed that the lipoxygenase activity from Mortierellacells was inhibited only by esculetin, ethanol, and nordihydroguaiaretic acid (NDGA). NDGA inhibited the enzyme in vitro(IC50=142 μM), but its addition in the exponential phase of growth activated the enzyme.

Journal

Applied Biochemistry and MicrobiologySpringer Journals

Published: Oct 19, 2004

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