The Effect of Cork Pieces on Pseudohypericin Production in Cells ofHypericum perforatumShoots

The Effect of Cork Pieces on Pseudohypericin Production in Cells ofHypericum perforatumShoots The stimulating effect of cork pieces on hypericin and pseudohypericin biosyntheses was studied in cells of shoots regenerated from the callus cultures of St. John's wort (Hypericum perforatumL.). The addition of the cork matrix slightly stimulated shoot growth and enhanced pseudohypericin biosynthesis about threefold (to 0.4 mg/g dry wt). Pseudohypericin production increased proportionally with the amount of cork material added (from 1 to 4 mg/ml of growth medium). Further increase in the amount of cork pieces inhibited both pseudohypericin production and shoot growth. Organic and aqueous extracts of cork pieces did not affect the production of these substances. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

The Effect of Cork Pieces on Pseudohypericin Production in Cells ofHypericum perforatumShoots

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Publisher
Springer Journals
Copyright
Copyright © 2001 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1023/A:1012572911814
Publisher site
See Article on Publisher Site

Abstract

The stimulating effect of cork pieces on hypericin and pseudohypericin biosyntheses was studied in cells of shoots regenerated from the callus cultures of St. John's wort (Hypericum perforatumL.). The addition of the cork matrix slightly stimulated shoot growth and enhanced pseudohypericin biosynthesis about threefold (to 0.4 mg/g dry wt). Pseudohypericin production increased proportionally with the amount of cork material added (from 1 to 4 mg/ml of growth medium). Further increase in the amount of cork pieces inhibited both pseudohypericin production and shoot growth. Organic and aqueous extracts of cork pieces did not affect the production of these substances.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Oct 10, 2004

References

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