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Título : Xanthone production in calli and suspended cells of Hypericum perforatum
Autor : Dias, Alberto C. P., Seabra, Rosa M., Andrade, Paula B., Ferreres, Federico, Fernandes-Ferreira, Manuel
Palabras clave : Calli
Cell suspensions
Hypericum perforatum
Fecha de publicación : 2001
Editor: Elsevier
Resumen: Calli and suspended cells of Hypericum perforatum accumulated xanthones with the 1,3,6,7 and 1,3,5,6-oxygenation pattern. Xanthone accumulation was highly influenced by hormone supplementation. Calli grown with 4.5 μmol/L 2,4-D + 2.3 μmol/L KIN had the highest specific xanthone production observed (0.73 percnt; DW). The use of BA instead of KIN reduced xanthone accumulation, resulting in the lowest production achieved (0.24 percnt; DW). This effect was attenuated when both hormones were present. Calli displayed a positive linear relationship between NAA concentration, in the range of 4.5-22.5 μmol/L, and total xanthone accumulation and the xanthone 1,3,6,7/1,3,5,6 ratio. However, the production of 1,3,5,6 xanthones was similar in all NAA concentrations studied.
Descripción : 7 pages, 4 figures, 1 table.
Versión del editor:
ISSN: 0176-1617
DOI: 10.1078/0176-1617-00195
Citación : Journal of Plant Physiology 158(7): 821-827 (2001)
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