Enhanced extracellular production of trans-resveratrol in Vitis vinifera suspension cultured cells by using cyclodextrins and methyljasmonate

S. Belchí-Navarro,L. Almagro,D. Lijavetzky,R. Bru,M. Pedreño

Published 2011 in Plant Cell Reports

ABSTRACT

In this work, the effect of different inducing factors on trans-resveratrol extracellular production in Monastrell grapevine suspension cultured cells is evaluated. A detailed analysis provides the optimal concentrations of cyclodextrins, methyljasmonate and UV irradiation dosage, optimal cell density, elicitation time and sucrose content in the culture media. The results indicate that trans-resveratrol production decreases as the initial cell density increases for a constant elicitor concentration in Monastrell suspension cultured cells treated with cyclodextrins individually or in combination with methyljasmonate; the decrease observed in cell cultures elicited with cyclodextrins alone is far more drastic than those observed in the combined treatment. trans-Resveratrol extracellular production observed by the joint use of cyclodextrins and methyljasmonate (1,447.8 ± 60.4 μmol trans-resveratrol g−1 dry weight) is lower when these chemical compounds are combined with UV light short exposure (669.9 ± 45.2 μmol trans-resveratrol g−1 dry weight). Likewise, trans-resveratrol production is dependent on levels of sucrose in the elicitation medium with the maximal levels observed with 20 g l−1 sucrose and the joint action of cyclodextrins and 100 μM methyljasmonate. The sucrose concentration did not seem to limit the process although it affects significantly the specific productivity since the lowest sucrose concentration is 10 g l−1, the highest productivity is reached (100.7 ± 5.8 μmol trans-resveratrol g−1 dry weight g−1 sucrose) using cyclodextrins and 25 μM methyljasmonate.

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