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Biol Bull 143: 689-698. (December 1972)
© 1972 Marine Biological Laboratory
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AXIAL FILAMENT OF SILICIOUS SPONGE SPICULES, ITS ORGANIC COMPONENTS AND SYNTHESIS

RICHARD E. SHORE 1

1 Department of Biology, University of Toledo, Toledo, Ohio 43606

1. A substantial portion of the axial filament of the spicules of silicious sponges is protein.

2. The axial filament protein lacks the hydroxylated amino acids that are characteristically abundant in collagen.

3. It is feasible to follow the course of silicious deposition in spicules using C14 or H3 in protein precursors.




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J. N. Cha, K. Shimizu, Y. Zhou, S. C. Christiansen, B. F. Chmelka, G. D. Stucky, and D. E. Morse
Silicatein filaments and subunits from a marine sponge direct the polymerization of silica and silicones in vitro
PNAS, January 19, 1999; 96(2): 361 - 365.
[Abstract] [Full Text] [PDF]


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