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German researchers have combined enzymes from two diverse organisms that together can produce silicate dental fillings and attach them to teeth. The Mainz University team took one protein sequence from an enzyme called silicatein, which sponges use to form skeletons from silica. The scientists also took another sequence from sponges, this time an enzyme known as a tyrosinase that helps produce the...
Source : Geurtsen, W. K.; Muller, W. E.G.; Schroder, H. C. “Biosilica-Adhesive Protein Nanocomposite Materials: Synthesis and Application in Dentistry” US Patent Application No. 20100047224, February 25, 2010