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. 1970 Sep;46(3):363-6.
doi: 10.1104/pp.46.3.363.

Synthesis and Secretion of Hypoxyproline-containing Macromolecules in Carrots: III. Metabolic Requirements for Secretion

M R Doerschug  1 , M J Chrispeels
Affiliations

Synthesis and Secretion of Hypoxyproline-containing Macromolecules in Carrots: III. Metabolic Requirements for Secretion

M R Doerschug et al. Plant Physiol. 1970 Sep.

Abstract

Using pulse-chase experiments with radioactive proline, it is possible to study the rapid transfer from the cytoplasm to the cell wall of the hydroxyproline-rich protein found in the cell walls of higher plants. The secretion of this protein is not obligatorily coupled to protein synthesis. Secretion is completely inhibited by uncouplers of oxidative phosphorylation and strongly inhibited by the inhibitors of electron transport, cyanide and azide. It is concluded that the transfer of proteins from the cytoplasm to the cell wall is an energy-requiring step.

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References

    1. Plant Physiol. 1970 Feb;45(2):223-7 - PubMed
    1. Biochim Biophys Acta. 1969 Feb 18;174(2):722-33 - PubMed
    1. Plant Physiol. 1969 Aug;44(8):1187-93 - PubMed
    1. Plant Physiol. 1964 Jul;39(4):543-50 - PubMed
    1. Biochim Biophys Acta. 1967;143(3):445-53 - PubMed

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