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Cytokinins from the Moss Physcomitrella patens


Cytokinins from the Moss Physcomitrella patens



Plant Physiology 68(3): 735-738



ISSN/ISBN: 0032-0889

PMID: 16661990

DOI: 10.1104/pp.68.3.735

Gametophore-over-producing mutants of the moss, Physcomitrella patens, when grown in liquid culture export high levels of cytokinin into their culture medium. The cytokinin produced by these mutants is postulated to account for their peculiar phenotype, that of mosses treated with exogenous cytokinin. N(6)-(Delta(2)-isopentenyl)adenine, the major cytokinin, has been identified previously in two of these mutants (Wang, Cove, Beutelmann, Hartmann 1980 Phytochemistry 19: 1103-1105) and now in additional representatives. A second cytokinin, zeatin, has been identified by its chromatographic behavior and mass spectrum including chemical ionization mass spectrometry of its permethyl derivative.

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Accession: 048706657

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