Spatial accumulation of camptothecin associated with arbuscular mycorrhiza development in roots of Camptotheca acuminate seedlings

Spatial accumulation of camptothecin associated with arbuscular mycorrhiza development in roots... Camptotheca acuminate plant is an important phytomedicinal species that contains camptothecin (CPT), a natural pentacyclic indole alkaloid. This study was aimed at the effect of arbuscular mycorrhiza (AM) development on the accumulation and location of this metabolite in C. acuminate seedling roots. Autofluorescence of CPT shows the localization of CPT in mycorrhizal roots. We examined CPT level in response to AM development in C. acuminate roots by the combination of confocal laser scanning microscopy and spontaneous fluorescence of CPT. CPT was specifically localized around AM fungi in AM roots of C. acuminate, and the level of CPT rose with increasing colonization of roots with AM fungi. The accumulation and localization of CPT was directly correlated with the formation and development of AM in C. acuminate roots. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Spatial accumulation of camptothecin associated with arbuscular mycorrhiza development in roots of Camptotheca acuminate seedlings

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Publisher
Pleiades Publishing
Copyright
Copyright © 2014 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443714030145
Publisher site
See Article on Publisher Site

Abstract

Camptotheca acuminate plant is an important phytomedicinal species that contains camptothecin (CPT), a natural pentacyclic indole alkaloid. This study was aimed at the effect of arbuscular mycorrhiza (AM) development on the accumulation and location of this metabolite in C. acuminate seedling roots. Autofluorescence of CPT shows the localization of CPT in mycorrhizal roots. We examined CPT level in response to AM development in C. acuminate roots by the combination of confocal laser scanning microscopy and spontaneous fluorescence of CPT. CPT was specifically localized around AM fungi in AM roots of C. acuminate, and the level of CPT rose with increasing colonization of roots with AM fungi. The accumulation and localization of CPT was directly correlated with the formation and development of AM in C. acuminate roots.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Apr 27, 2014

References

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