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The uptake of3H-thymidine and its transport inDatura stramonium L.

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Biologia Plantarum

Abstract

Exogenous3H-thymidine is absorbed by the primary root of young plants ofDatura stramonium L. and gradually translocated into shoots: following a 3 to 72-h application of3H-thymidine the radioactivity was revealed, using the autoradiographic technique, especially in the region of primary and secondary meristems and in proximity to vascular bundles of the primary root, stem, hypocotyl and leaves. These regions may be considered as the sites of active DNA synthesis. The intensity of incorporation was dependent on the time of plant incubation in labelled thymidine.

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Authors and Affiliations

  1. Faculty of Pharmacy, Department of Botany, Charles University, 500 00, Hradec Králové, Czechoslovakia

    Marie Sovová & V. Šeda

  2. Institute of Biophysics, Czechoslovak Academy of Sciences, Královopolská 135, 612 65, Brno, Czechoslovakia

    Věra Spurná

Authors
  1. Marie Sovová
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  2. V. Šeda
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  3. Věra Spurná
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Sovová, M., Šeda, V. & Spurná, V. The uptake of3H-thymidine and its transport inDatura stramonium L.. Biol Plant 28, 230–233 (1986). https://doi.org/10.1007/BF02894602

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  • DOI: https://doi.org/10.1007/BF02894602

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