, Volume 108, Issue 3, pp 283–287 | Cite as

Failure of colchicine or cytochalasin to inhibit protein secretion by plant cells

  • Maarten J. Chrispeels
Short Communication


The gibberellic-acid-mediated secretion of α-amylase by aleurone cells of barley and the transport of hydroxyproline-rich cell-wall glycoproteins from the cytoplasm to the wall in phloem-parenchyma cells of carrot roots are not inhibited by either colchicine (1 mM) or cytochalasin (10 μg/ml). The data suggest the absence of a unitary mechanism of protein secretion.


Plant Cell Colchicine Protein Secretion Cytochalasin Aleurone Cell 
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Copyright information

© Springer-Verlag 1972

Authors and Affiliations

  • Maarten J. Chrispeels
    • 1
  1. 1.Department of Biology, John Muir CollegeUniversity of California/San DiegoLa JollaUSA

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