Isolation of the Phytoalexin Medicarpin from Leaflets of Arachis hypogaea and Related Species of the Tribe Aeschynomeneae-Reference-Cited by-同舟云学术

Isolation of the Phytoalexin Medicarpin from Leaflets of Arachis hypogaea and Related Species of the Tribe Aeschynomeneae

Published:1985-06-01 Issue:5-6 Volume:40 Page:313-316
ISSN:1865-7125
Container-title:Zeitschrift für Naturforschung C
language:en
Short-container-title:

Author:

Strange R. N.¹,Ingham J. L.²,Cole D. L.³,Cavill M. E.³,Edwards C.¹,Cooksey C. J.⁴,Garrattd P. J.⁴

Affiliation:

1. Department of Botany and Microbiology, University College London, Gower Street, London WC1E 6BT, England

2. Department of Botany, Plant Science Laboratories, University of Reading, P.O. Box 221, Reading RG6 2AS, England

3. Department of Crop Science, Faculty of Agriculture, P. O. Box MP 167, Mount Pleasant, Harare, Zimbabwe

4. Department of Chemistry, University College London, 20, Gordon Street, London WC1H OAJ, England

Abstract

Abstract A phytoalexin produced by the leaflets of seven cultivars of Arachis hypogaea (groundnut) after natural infection by Cercospora arachidicola or Phoma arachidicola has been characterised as the isoflavonoid (+)-medicarpin (3-hydroxy-9-methoxypterocarpan). Treatment of excised groundnut leaflets with an aqueous solution of CuSO4 or with a spore suspension of the fungus Helmin-thosporium carbonum has also been found to stimulate medicarpin biosynthesis.

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

Link

https://www.degruyter.com/document/doi/10.1515/znc-1985-5-605/pdf

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