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Toxins 2015, 7(4), 1355-1373; doi:10.3390/toxins7041355

The Key Role of Peltate Glandular Trichomes in Symbiota Comprising Clavicipitaceous Fungi of the Genus Periglandula and Their Host Plants

1
Institut für Nutzpflanzenwissenschaften und Ressourcenschutz, Universität Bonn, Nußallee 9, D-53115 Bonn, Germany
2
Institut für Pharmazeutische Biologie, Universität Bonn, Nußallee 6, D-53115 Bonn, Germany
3
Institut für Pharmazeutische Biologie und Biotechnologie, Universität Marburg, Deutschhausstraße 17 1/2, D-35037 Marburg, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Christopher L. Schardl
Received: 18 January 2015 / Revised: 27 March 2015 / Accepted: 1 April 2015 / Published: 16 April 2015
(This article belongs to the Special Issue Ergot Alkaloids: Chemistry, Biology and Toxicology)
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Abstract

Clavicipitaceous fungi producing ergot alkaloids were recently discovered to be epibiotically associated with peltate glandular trichomes of Ipomoea asarifolia and Turbina corymbosa, dicotyledonous plants of the family Convolvulaceae. Mediators of the close association between fungi and trichomes may be sesquiterpenes, main components in the volatile oil of different convolvulaceous plants. Molecular biological studies and microscopic investigations led to the observation that the trichomes do not only secrete sesquiterpenes and palmitic acid but also seem to absorb ergot alkaloids from the epibiotic fungal species of the genus Periglandula. Thus, the trichomes are likely to have a dual and key function in a metabolic dialogue between fungus and host plant. View Full-Text
Keywords: sesquiterpenes; ergot alkaloids; peltate glandular trichomes; bidirectional secretion; Periglandula; Convolvulaceae sesquiterpenes; ergot alkaloids; peltate glandular trichomes; bidirectional secretion; Periglandula; Convolvulaceae
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Steiner, U.; Hellwig, S., née Kucht; Ahimsa-Müller, M.A.; Grundmann, N.; Li, S.-M.; Drewke, C.; Leistner, E. The Key Role of Peltate Glandular Trichomes in Symbiota Comprising Clavicipitaceous Fungi of the Genus Periglandula and Their Host Plants. Toxins 2015, 7, 1355-1373.

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