Contribution to the Understanding of the Mechanism of Cytokinesis In Plant Cells: the Action of Deoxyguanosine On the Kinetics of A Root Meristem Cell Population

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Abstract
The kinetics of binucleate [Allium sativum] cells, formed by the action of deoxyguanosine, are studied using 3 methods: in a population synchronized with hydroxyurea, by autoradiography after pulse-labeling and in a sample of a cell population morphologically located at the M-G1 limit. Deoxyguanosine induces a slowing down in S and G2, independent of the inhibition of cytokinesis. When it takes effect during the G2 stage, deoxyguanosine brings about the formation of binucleate cells.