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An Overview of Protein Secretion in Plant Cells

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Part of the book series: Methods in Molecular Biology ((MIMB,volume 1662))

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.

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Acknowledgments

This work was supported by grants from the Research Grants Council of Hong Kong (CUHK465112, 466313, 14130716, 14102417, CUHK2/CRF/11G, C4011-14R, C4012-16E, and AoE/M-05/12), Germany/Hong Kong Joint Research Scheme (G-CUHK402/15), CUHK Research Committee Direct Grant, NSFC (31270226 and 31470294, 31670179), CAS-Croucher Joint Lab Scheme, and Shenzhen Peacock Project (KQTD201101).

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Correspondence to Kin Pan Chung or Yonglun Zeng .

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Chung, K.P., Zeng, Y. (2017). An Overview of Protein Secretion in Plant Cells. In: Jiang, L. (eds) Plant Protein Secretion. Methods in Molecular Biology, vol 1662. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7262-3_2

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  • DOI: https://doi.org/10.1007/978-1-4939-7262-3_2

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  • Publisher Name: Humana Press, New York, NY

  • Print ISBN: 978-1-4939-7261-6

  • Online ISBN: 978-1-4939-7262-3

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