Competitive Antagonism between Kinetin and 8-Azaguanine in Polytoma uvella

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Science  09 Oct 1959:
Vol. 130, Issue 3380, pp. 921-922
DOI: 10.1126/science.130.3380.921


The enhancement of mitotic activity by kinetin is proportional to the dosage from 0.003 to 0.03 µg/ml. This effect is competitively antagonized by 8-azaguanine. The suppression can be reversed by a fresh supply of kinetin.