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Cytokinin Action on Transcription and Translation in Plants

  • O. N. Kulaeva
Part of the Proceedings in Life Sciences book series (LIFE SCIENCES)

Abstract

Cytokinins are well known to activate the syntheses of total RNA and proteins in plant tissues sensitive to this phytohormone [1–6]. The aim of this paper is to discuss the following questions:
  1. 1.

    What is the mechanism of activation of total RNA biosynthesis in plant cells by cytokinin?

     
  2. 2.

    Is the activation of RNA synthesis, i.e., increase in ribosome number and mRNA amount in cells the only mode of cytokinin action on protein synthesis or can cytokinin in addition take part in the control of protein synthesis at posttranscriptional level?

     
  3. 3.

    If cytokinin participates in regulation of protein synthesis at posttranscriptional level, is this effect due to the primary cytokinin action at transcriptional level?

     

These aspects of cytokinin effects were investigated in our laboratory on detached barley leaves [7–11] and isolated pumpkin cotyledons [12–15].

Keywords

Sucrose Density Gradient Cytokinin Action Label Incorporation Ribulose Diphosphate Nucleoside Phosphate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag, Berlin Heidelberg 1981

Authors and Affiliations

  • O. N. Kulaeva
    • 1
  1. 1.K.A. Timiriazev Institute of Plant PhysiologyMoscowUSSR

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