The Traffic of Molecules Across the Tonoplast of Plant Cells

  • B. P. Marin
Conference paper
Part of the NATO ASI Series book series (volume 74)


Studies on the compartmentation of alkaloids in a cell suspension of Catharanthus roseus demonstrate that, while unspecific ion trapping in the vacuolar compartment occurs for such such molecules, other accumulation mechanisms also exist in cells. In any cases, a protonmotive force is involved with H+ recycling, in co-transport of solutes, and, with net active H+ influx. To illustrate such a point of view, the latex of Hevea brasiliensis could be examplified.


Accumulation Mechanism Proton Flux Proton Translocating Vacuolar Storage Acid Compartment 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • B. P. Marin
    • 1
  1. 1.Laboratoire de Biotechnologie: Physiologie et Métabolisme CellulairesORSTOM34.032-Montpellier-Cedex 1France

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