Abstract
THE presence of proteins tanned by an orthoquinone has been established in certain arthropodan cuticles1–3 and in trematode egg capsules4. Recently, Dennell5 has shown that the chætæ of the earthworm Allolobophora are hardened by quinone-tanning. He also suggested that quinone-tanning of protein structures may be a widespread occurrence in the invertebrates. Observations which have been recently made on the bivalve ligament indicate the presence of a similar phenomenon.
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References
Pryor, M. G. M., Proc. Roy. Soc., B, 128, 393 (1940).
Dennell, R., Proc. Roy. Soc., B, 134, 79 (1947).
Dennell, R., Proc. Roy. Soc., B, 134 485 (1947).
Stephenson, W., Parasit., 38, 128 (1947).
Dennell, R., Nature, 164, 370 (1949).
Trueman, E. R., Proc. Zool. Soc. Lond., 119, 719 (1949).
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TRUEMAN, E. Quinone-tanning in the Mollusca. Nature 165, 397–398 (1950). https://doi.org/10.1038/165397c0
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DOI: https://doi.org/10.1038/165397c0
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