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Review
. 2017:1662:19-32.
doi: 10.1007/978-1-4939-7262-3_2.

An Overview of Protein Secretion in Plant Cells

Kin Pan Chung  1 , Yonglun Zeng  2
Affiliations
Review

An Overview of Protein Secretion in Plant Cells

Kin Pan Chung et al. Methods Mol Biol. 2017.

Abstract

The delivery of proteins to the apoplast or protein secretion is an essential process in plant cells. Proteins are secreted to perform various biological functions such as cell wall modification and defense response. Conserved from yeast to mammals, both conventional and unconventional protein secretion pathways have been demonstrated in plants. In the conventional protein secretion pathway, secretory proteins with an N-terminal signal peptide are transported to the extracellular region via the endoplasmic reticulum-Golgi apparatus and the subsequent endomembrane system. By contrast, multiple unconventional protein secretion pathways are proposed to mediate the secretion of the leaderless secretory proteins. In this review, we summarize the recent findings and provide a comprehensive overview of protein secretion pathways in plant cells.

Keywords: Coat protein complex I; Coat protein complex II; Conventional protein secretion; Exocyst-positive organelle; Unconventional protein secretion.

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