Influence of cobalt and other microelements on the production of betalains and the growth of suspension cultures of Beta vulgaris
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- Trejo-Tapia, G., Jimenez-Aparicio, A., Rodriguez-Monroy, M. et al. Plant Cell, Tissue and Organ Culture (2001) 67: 19. doi:10.1023/A:1011684619614
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The effects of six microelements (Cu2+, Mn2+, Fe2+, Mo2+, Zn2+, Co2+) on the production of betalains and the growth of suspension cultures of Beta vulgaris were studied. The increase of Co2+ from 1–5 μM resulted in a 60% increment on the production of betalains. A positive effect of this divalent ion was only accomplished when it was added at the beginning of the culture. This was related to a doubling in the specific betalains production rate compared to B5 control medium. No effects on cell growth and ratio of betacyanines to betaxanthines were observed. Mo2+, Fe2+ and Cu2+ presented a positive but less marked effect, while the increase of Mn2+ did not show effects on the production of betalains compared to B5 control medium.