Skip to main content
SpringerLink
Log in

Veränderungen des Nucleoproteids von Erbsenepikotylen durch synthetische Auxine bei der Induktion der Wurzelneubildung

Alteration of the nucleoprotein in pea epicotyls by synthetic auxins during induction of root formation

  • Kurze Mitteilung
  • Published:
Planta Aims and scope Submit manuscript

Summary

Root initiation in etiolated pea epicotyls induced by NAA and 2,4-D is inhibited by application of 5-BU in the same way as root initiation induced with IAA. The time of 5-BU action is regulated by auxin concentration. Binding of auxins to carefully extracted nucleoproteins from pea epicotyls at pH 8 resulted in a decrease of the melting point (T m) of the nucleoproteins. From the results it is concluded that auxins act by direct binding to the nucleoprotein (probably by ionic bonds) and that this binding induces a decrease in binding capacity of histone to DNA, which represents the first step in the initiation of RNA synthesis.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Literatur

  • Antonov, A. S., N. Lintskanov, and A. N. Beloserskii: Changes in the amino acid composition of total proteins in Bacillus subtilis T. grown on a medium with 5-bromouracil an analogue of thymine. Dokl. Akad. Nauk SSSR 155, 944–946 (1964).

    Google Scholar 

  • Bopp, M.: Hemmung der Induktionsvorgänge bei Wurzelhalsgallen durch 2-Thioracil und 5-Bromuracil. Planta (Berl.) 54, 221–232 (1960).

    Google Scholar 

  • Bujard, H., u. E. Harbers: Untersuchungen an Nucleohistonen. I. Beobachtungen bei thermischer Denaturierung. Z. Naturforsch. 20b, 719–720 (1965).

    Google Scholar 

  • Fellenberg, G.: Über die Organbildung an in vitro kultiviertem Knollengewebe von Solanum tuberosum. Z. Bot. 51, 113–141 (1963).

    Google Scholar 

  • — Die Hemmung auxininduzierter Wurzelbildung an etiolierten Erbsenepikotylen mit Histon und Antimetaboliten der RNS- und Proteinsynthese. Planta (Berl.) 71, 27–42 (1966).

    Google Scholar 

  • Fellenberg, G. Veränderungen des Nucleoproteids unter dem Einfluß von Auxin und Ascorbinsäure bei der Wurzelneubildung an Erbsenepikotylen. Planta (Berl.) (im Druck).

  • Key, J. L., and J. C. Shannon: Enhancement by auxin of ribonucleic acid synthesis in excised soybean hypocotyl tissue. Plant Physiol. 39, 360–364 (1964).

    Google Scholar 

  • Masuda, Y.: Auxin-induced growth of tuber tissue of Jerusalem artichoke. III. Effect of actinomycin D on auxin-induced expansion growth and RNA synthesis. Plant Cell Physiol. 7, 573–581 (1966).

    Google Scholar 

  • Sacher, J. A.: Senescence: hormonal control of RNA and protein synthesis in excised bean pod tissue. Amer. J. Bot. 52, 841–848 (1965).

    Google Scholar 

  • Schraudolf, H., and J. Reinert: Interaction of plant growth regulators processes. Nature (Lond.) 184, 465–466 (1959).

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institut für Botanik der Technischen Universität Hannover, Hannover, Deutschland

    Günter Fellenberg

  2. Institut für Botanik der Universität 69, Hofmeisterweg 4, Heidelberg

    Günter Fellenberg

Authors
  1. Günter Fellenberg
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Fellenberg, G. Veränderungen des Nucleoproteids von Erbsenepikotylen durch synthetische Auxine bei der Induktion der Wurzelneubildung. Planta 84, 195–198 (1968). https://doi.org/10.1007/BF00398397

Download citation

  • Received:

  • Issue Date:

  • DOI: https://doi.org/10.1007/BF00398397

Search

Navigation