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Influence of some metal ions on the lipid content and arachidonic acid production byMortierella sp.

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Abstract

The influence of Ca2+, Mg2+, Mn2+, and Fe2+ ions on lipid accumulation, fatty acid composition and arachidonic acid (ARA) production byMortierella sp. S-17 was investigated. A beneficial effect of Mn2+ in the concentration range of 2–500 mg/L on lipogenesis was observed. The other elements at about 1 g/L repressed lipid accumulation and ARA yield. The highest yield of ARA (723 mg per liter or 148 mg per gram of dry mycelium) after incubation of the fungus in a glucose medium in the presence of 2 mg Mn2+ per liter was obtained. A strong inhibitory effect of Fe2+ (above 40 mg/L) on ARA formation was observed.

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Authors and Affiliations

  1. Department of Biochemical Technology, Chemical Faculty Slovak Technical University, 812 37, Bratislava

    J. Šajbidor & D. Koželouhov’a

  2. Research Institute of Gerontology, 901 01, Malacky, Czechoslovakia

    M. Ĉert’ik

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  1. J. Šajbidor
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  2. D. Koželouhov’a
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  3. M. Ĉert’ik
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Šajbidor, J., Koželouhov’a, D. & Ĉert’ik, M. Influence of some metal ions on the lipid content and arachidonic acid production byMortierella sp.. Folia Microbiol 37, 404–406 (1992). https://doi.org/10.1007/BF02899897

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