Cytokinin Activity of Ureidopurine Derivatives Related to a Modified Nucleoside Found in Transfer RNA

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Science  16 Oct 1970:
Vol. 170, Issue 3955, pp. 328-330
DOI: 10.1126/science.170.3955.328


By use of a radioactive labeling technique N-(nebularin-6-ylcarbamoyl)threonine has been detected in plant transfer RNA. Derivatives of this nucleoside promote cell division of a cytokinin-requiring soya bean tissue.

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