6-(γ,γ-Dimethylallylamino)Purine As A Precursor of Zeatin | Zendy

George A. Miura | Zendy; Carlos O. Miller | Zendy

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6-(γ,γ-Dimethylallylamino)Purine As A Precursor of Zeatin

Author(s) -

George A. Miura,

Carlos O. Miller

Publication year - 1969

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.44.3.372

Subject(s) - zeatin , hypoxanthine , purine , ribonucleoside , chemistry , biochemistry , stereochemistry , purine metabolism , cytokinin , rna , enzyme , auxin , gene

A 6-(gamma,gamma-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-(gamma,gamma-dimethylallylamino) purine as a precursor of zeatin was studied. Rhizopogon was furnished with 6-(gamma,gamma-dimethylallylamino) purine-8-(14)C. 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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