6-(gamma,gamma-Dimethylallylamino)Purine As A Precursor of Zeatin |
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Authors: | Miura G A Miller C O |
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Institution: | Department of Botany, University of Indiana, Bloomington, Indiana 47401. |
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Abstract: | A 6-(γ,γ-dimethylallylamino) purine-like compound was found in the culture medium of Rhizopogon roseolus, which had been shown earlier to synthesize zeatin. The role of 6-(γ,γ-dimethylallylamino) purine as a precursor of zeatin was studied. Rhizopogon was furnished with 6-(γ,γ-dimethylallylamino) purine-8-14C. Cochromatography, oxidation studies with potassium permanganate, and bromination indicated that labeled zeatin ribonucleoside was isolated from the medium. The fungus also incorporated labeled adenine, hypoxanthine, and 4-amino-5-imidazole carboxamide into zeatin ribonucleoside. |
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