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    Studies of Lipid Monolayers Prepared from Native and Model Plant Membranes in Their Interaction with Zearalenone and Its Mixture with Selenium Ions

    Year: 2017

    Journal: J. Membr. Biol., Volume 250, JUN, page 273–284

    Authors: Gzyl-Malcher, Barbara; Filek, Maria; Rudolphi-Skorska, Elzbieta; Sieprawska, Apolonia

    Organizations: NCN [2014/15/B/NZ9/02192]

    Keywords: Langmuir monolayer; Lipid; Selenium; Wheat calli; Zearalenone

    The impact of zearalenone and selenate ions on the monolayers of 1,2-dipalmitoyl-phosphatidylcholine (DPPC), 1,2-dipalmitoyl-3-trimethylammonium-propane (DPTAP), and the lipid mixtures (phospholipids and galactolipids) extracted from wheat plasmalemma has been studied using Langmuir trough technique and Brewster angle microscopy (BAM). The zearalenone is a mycotoxin that exerts toxic effects on the cells of plants and animals. Monolayers' properties were characterized by surface pressure (pi)-molecular area (A) isotherms. It was found that zearalenone interacts with lipid monolayers causing their expansion. The selenate ions, added to the subphase together with zearalenone, reduce the effect of this mycotoxin on the surface properties of lipid films.
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