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Elimination of ergoline alkaloids following treatment of<Emphasis Type="Italic"> Ipomoea asarifolia</Emphasis> (Convolvulaceae) with fungicides |
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| Authors: | Sabine?Kucht Julia?Gro? Yasser?Hussein Torsten?Grothe Ullrich?Keller Simla?Basar Wilfried?A?K?nig Ulrike?Steiner |
| Institution: | (1) Institut für Pharmazeutische Biologie der Universität Bonn, Nussallee 6, 53115 Bonn, Germany;(2) ActinoDrug Pharmaceuticals GmbH, Neuendorfstrasse 24a, 16761 Hennigsdorf, Germany;(3) Institut für Organische Chemie, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany;(4) Institut für Pflanzenkrankheiten der Universität Bonn, Nussallee 9, 53115 Bonn, Germany |
| Abstract: | Ergoline alkaloids are constituents of Clavicipitaceous fungi living on Poaceae plants. Ergoline alkaloids as well as volatile oil are also present in Ipomoea asarifolia Roem. & Schult (Convolvulaceae). Treatment of this plant with two fungicides (Folicur, Pronto Plus) eliminates the ergoline alkaloids but not the volatile oil. Elimination of ergoline alkaloids occurs concomitantly with loss of fungal hyphae associated with secretory glands on the upper leaf surface of the Ipomoea plant. Our observations suggest that accumulation of ergoline alkaloids in the Convolvulaceae may depend on the presence of a plant-associated fungus.Dedicated to Wolfgang Steglich, München, on the occasion of his 70th birthday |
| Keywords: | Alkaloid Ergoline Ipomoea Plant– fungus association Secretory gland Volatile oil |
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