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Related Experiment Videos

Fibronectin in the developing sea urchin embryo

E Spiegel, M Burger, M Spiegel

    The Journal of Cell Biology
    |October 1, 1980
    PubMed
    Summary

    Fibronectin is present on sea urchin embryo cells during early development, suggesting its role in cell adhesion and morphogenesis. This extracellular matrix protein is crucial for embryonic development and structural organization.

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    Area of Science:

    • Developmental Biology
    • Cell Biology
    • Marine Biology

    Background:

    • Fibronectin is an extracellular matrix glycoprotein involved in cell adhesion, migration, and differentiation.
    • Understanding fibronectin's role is crucial for deciphering developmental processes.

    Purpose of the Study:

    • To investigate the localization and potential function of fibronectin during sea urchin embryonic development.

    Main Methods:

    • Immunofluorescence staining was employed to visualize fibronectin distribution.
    • Confocal microscopy was used to analyze fluorescence patterns in blastula and gastrula stages.

    Main Results:

    • Fibronectin was detected on the surfaces of cells and in the intercellular space.
    • Distinct patterns of fibronectin were observed during blastula and gastrula stages.
    • Localization on invaginating cells suggests a role in morphogenetic movements.

    Conclusions:

    • Fibronectin is a key component of the extracellular matrix in developing sea urchin embryos.
    • Its distribution supports a role in cell-cell and cell-matrix adhesion.
    • Fibronectin is implicated in the morphogenetic processes of gastrulation and early development.

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