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Influence of Fusicoccin on the Control of Cell Division by Auxins 1

Authors
  • Armen Kurkdjian
  • Jean-Jacques Leguay
  • Jean Guern
Publication Date
Dec 01, 1979
Source
PMC
Keywords
License
Unknown

Abstract

An indirect stimulation of cell division by fusicoccin is demonstrated. The distribution of 2,4-dichlorophenoxyacetic acid molecules between Acer pseudoplatanus cells and their culture medium is strongly modified by a fusicoccin treatment, through the extracellular acidification induced by the toxin. As a consequence, a stimulation of cell division is observed when the intracellular auxin concentration is sufficiently increased to reach the threshold control level (Leguay JJ, J Guern 1977 Plant Physiol 60: 265-270).

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