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Título

Xanthone production in calli and suspended cells of Hypericum perforatum

AutorDias, Alberto C. P.; Seabra, Rosa M.; Andrade, Paula B.; Ferreres, Federico ; Fernandes-Ferreira, Manuel
Palabras claveCalli
Cell suspensions
Hypericaceae
Hypericum perforatum
Phytohormones
Xanthones
Fecha de publicación2001
EditorElsevier
CitaciónJournal of Plant Physiology 158(7): 821-827 (2001)
ResumenCalli 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.
Descripción7 pages, 4 figures, 1 table.
Versión del editorhttp://dx.doi.org/10.1078/0176-1617-00195
URIhttp://hdl.handle.net/10261/18159
DOI10.1078/0176-1617-00195
ISSN0176-1617
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