Cited by 354Phagocytosis and Immune RegulationCellular transport and secretionSlime Mold and Myxomycetes Research

Coronin involved in phagocytosis: Dynamics of particle-induced relocalization visualized by a green fluorescent protein tag

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Maniak, Markus, Rauchenberger, Robert, Albrecht, Richard, Murphy, John, Gerisch, Günther·1995·Cell

Abstract

Coronin is a protein involved in cell locomotion and cytokinesis of Dictyostelium discoideum. Here we show that coronin is strongly enriched in phagocytic cups formed in response to particle attachment. A fusion of coronin with green fluorescent protein (GFP) accumulates in the cups within less than 1 min upon attachment of a particle and is gradually released from the phagosome within 1 min after engulfment is completed. Phagocytic cup formation competes with leading edge formation and can be interrupted at any stage. When the cup regresses, coronin dissociates from the site of accumulation. TRITC-labeled yeast cells have been used to assay phagocytosis quantitatively in wild-type and coronin-null cells. In the mutant, the rate of uptake is reduced to about one third, which shows that coronin contributes to the efficiency of phagocytosis to about the same extent as it improves the speed of cell locomotion.

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Crossref · 10.1016/0092-8674(95)90207-4

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43 of 43 references verified0 citation errors · 0 not checkable

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  • Molecular mechanisms of phagocytosis are conserved throughout evolution.

    “Molecular mechanisms of phagocytosis are conserved throughout evolution.”
  • Despite many actin-binding proteins and myosin I isoforms being transiently recruited to phagosomes, only a handful have been shown by gene knock-out experiments to affect phagocytosis, possibly due to redundancy.

    “On the other hand, despite many actin-binding proteins and myosin I isoforms are transiently recruited to phagosomes, only a handful of them have been shown by gene knock-out experiments to affect phagocytosis, possibly due to redundancy of the system [4,9,57-59].”

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Authors
Maniak, M., Rauchenberger, R., Albrecht, R., Murphy, J., & Gerisch, G.
Affiliations
Max Planck Institute of Biochemistry (DE)
Venue
Cell
Publisher
Elsevier BV
Published
1995-12
Volume
83
Issue
6
Pages
915-924
ISSN
0092-8674 (ISSN-L)
OpenAlex
W1989760629
Cited by
354
References
43
Citations by year
2026: 4 · 2025: 2 · 2024: 3 · 2023: 1 · 2022: 2 · 2021: 8 · 2020: 4 · 2019: 5 · 2018: 3 · 2017: 5 · 2016: 5 · 2015: 4 · 2014: 11 · 2013: 8 · 2012: 8
FWCI
5.02
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Physical Sciences › Engineering › Biomedical Engineering › Slime Mold and Myxomycetes Research
Keywords
coronin, phagocytosis, phagocytic cup, phagosome, Dictyostelium discoideum, GFP fusion protein, cell locomotion
MeSH terms
Actinin, Actins, Animals, Carrier Proteins, Cell Membrane, Cytochalasins, Cytoplasm, Dictyostelium, Fungal Proteins, Indicators and Reagents, Luminescent Proteins, Microfilament Proteins, Phagocytosis, Phagosomes, Saccharomyces cerevisiae, Protozoan Proteins, Green Fluorescent Proteins

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