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. 1987 Aug;84(4):965–968. doi: 10.1104/pp.84.4.965

Protein Trafficking in Plant Cells

Guy Della-Cioppa 1,2, Ganesh M Kishore 1,2, Roger N Beachy 1,2, Robert T Fraley 1,2
PMCID: PMC1056707  PMID: 16665627

Abstract

The cells of higher plants contain distinct subcellular compartments (organelles) that perform specialized functions such as photosynthesis, carbohydrate and lipid metabolism, and so forth. The majority of the protein constituents of plant organelles are formed as cytosolic precursors with N-terminal extensions that direct transport across one or more membrane bilayers in a post- or co-translational fashion. Since the majority of proteins in plant cells are products of nuclear gene expression, there must be precise sorting mechanisms in the cytoplasm that direct proteins to their correct cellular locations. Based on recent studies of protein targeting to chloroplasts and vacuoles, the details of these intracellular sorting mechanisms are becoming clear. The ability to direct proteins to specific compartments within cells provides new opportunities for improvement of plants by genetic manipulation.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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