A worm with fangs made from around 10 per cent copper could inspire new ways of creating self-building materials
Matter/Wonderly et. al.
at the University of California, Santa Barbara, and his colleagues have been studying the 2-millimetre-long jaws of this bloodworm , which are made up of 10 per cent copper and last for the worm’s entire five-year lifespan. The group discovered that it is governed by a protein that controls a multistep process, which starts by binding copper from the environment, then mixing this copper in an aqueous solution, then separating it to produce a dense liquid that catalyses the conversion of an available amino acid into melanin.While melanin often serves as a pigment for colour traits in other animals, it seems to make the bloodworm’s jaws more resistant to wear, says Waite.
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