Cytokinin Utilization by Adenine-Requiring Mutants of the Yeast Saccharomyces cerevisiae | Zendy

Carol A. Van Kast | Zendy; Howard M. Laten | Zendy

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Cytokinin Utilization by Adenine-Requiring Mutants of the Yeast Saccharomyces cerevisiae

Author(s) -

Carol A. Van Kast,

Howard M. Laten

Publication year - 1987

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.83.4.726

Subject(s) - saccharomyces cerevisiae , cytokinin , auxotrophy , yeast , hypoxanthine , biochemistry , mutant , biology , enzyme , gene , auxin

By monitoring the growth of several adenine auxotrophs of the yeast Saccharomyces cerevisiae on cytokinin-supplemented media, we have demonstrated that this organism can utilize some of these derivatives as a source of adenine. Growth of a mutant lacking adenylosuccinate synthetase suggests that the conversion of cytokinins to adenine does not involve a hypoxanthine intermediate and may be catalyzed by an enzyme analogous to cytokinin oxidase.

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