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Related Experiment Videos

Do unique proteins exist in taste buds?

N Koyama, K Kurihara

    The Journal of General Physiology
    |March 1, 1971
    PubMed
    Summary
    This summary is machine-generated.

    Proteins in bovine tongue papillae were analyzed. Sweet taste receptor proteins are present throughout the tongue epithelium, not just in taste buds.

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    Area of Science:

    • Biochemistry
    • Animal Science
    • Sensory Biology

    Background:

    • Taste perception relies on specific protein receptors within taste buds.
    • The distribution and presence of these receptor proteins in bovine tongues are not fully understood.

    Purpose of the Study:

    • To investigate the protein composition of bovine tongue papillae.
    • To determine the location of proteins associated with sweet taste reception in the bovine tongue.

    Main Methods:

    • Semi-micro, polyacrylamide gel electrophoresis was used to analyze proteins.
    • Proteins from papillae with and without taste buds were compared.

    Main Results:

    • All proteins found in taste bud-containing papillae were also present in surrounding epithelium.

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  • A protein band weakly binding sweet compounds was detected across the entire tongue epithelium.

    • Conclusions:

    • Sweet taste receptor molecules may be distributed throughout all tongue epithelial cells.
    • Alternatively, their concentration in taste bud papillae might be very low.