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Cytokinins: 7-Glucosylation Is Not a Prerequisite of the Expression of Their Biological Activity by Michel Laloue is a Agricultural and Biological Sciences article available to read on EtoBox.

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14C-labelled benzyladenine-7-glucoside (0.57 ~tM) supplied to cytokinin-requiring Nicotiana tabacum (cv. Wisconsin 38) cells cultivated in liquid medium was slowly absorbed and resulted in rather large intracellular quantities of benzyladenine-7-glucoside (30 pmol/10 s cells) but did not show any biological activity, while 0.01 ~tM benzyladenosine induced cell division. In this case the resulting intracellular quantity ofbenzyladenine-7-glucoside formed was 3.3 pmol/ 105 cells. Also, N6-(A 2-isopentenyl)adenosine induced cell division in these tobacco suspensions without being significantly 7-glucosylated. These data provide strong evidence that the 7-glucosylation of cytokinins is not a prerequisite of the expression of their biological activity.

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Author

Michel Laloue

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0032-0935)

Published

1977

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)