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1 2010

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The effect of sodium amidotrizoate on the growth and content of various metabolites in the green alga Chlorella vulgaris Beijerinck

Pietryczuk A., Czerpak R., Popławska B., Wolski T.

Oceanological and Hydrobiological Studies

2010

Vol. 39, No.1

61-73

The aim of this work is to detect how 3,5-diacetamido-2,4,6-triiodosodium benzoate (sodium amidotrizoate), a synthetic derivative of the anti-auxin triiodonezoic acid (TIBA), influences the growth and content of primary metabolites in the green alga Chlorella vulgaris Beijerinck. It strongly suppressed cell number by 6–20%, chlorophyll a by 6–14%, chlorophyll b by 20–24%, total carotenoids by 7–13% and monosaccharides by 7–8% at the concentration of 10^-4 M, in comparison to the control. On the other hand, sodium amidotrizoate applied at lower concentrations (10^-7 – 10^-6 M) acted as a weak stimulator of analyzed biochemical compounds in algal cells. No statistically significant effect was detected with the application of sodium amidotrizoate at a concentration of 10^-8 M. It seems that sodium amidotrizoate plays an important role in algal growth and development and probably possesses anti-auxin activity, like TIBA.