M€ uller WEG, Schloßmacher U, Wang XH, Boreiko A, Brandt D, Wolf SE, Tremel W, Schr€ oder
HC (2008b) Poly(silicate)-metabolizing silicatein in siliceous spicules and silicasomes of
demosponges comprises dual enzymatic activities (silica-polymerase and silica-esterase).
FEBS J 275:362–370
M€ uller WEG, Wang XH, Kropf K, Boreiko A, Schloßmacher U, Brandt D, Schr€ oder HC, Wiens M
(2008c) Silicatein expression in the hexactinellid Crateromorpha meyeri: the lead marker gene
restricted to siliceous sponges. Cell Tissue Res 333:339–351
M€ uller WEG, Wang XH, Kropf K, Ushijima H, Geurtsen W, Eckert C, Tahir MN, Tremel W,
Boreiko A, Schloßmacher U, Li J, Schr€ oder HC (2008d) Bioorganic/inorganic hybrid composition of sponge spicules: matrix of the giant spicules and of the comitalia of the deep sea
hexactinellid Monorhaphis. J Struct Biol 161:188–203
M€ uller WEG, Wang XH, Cui FZ, Jochum KP, Tremel W, Bill J, Schr€ oder HC, Natalio F,
Schloßmacher U, Wiens M (2009) Sponge spicules as blueprints for the biofabrication of
inorganic–organic composites and biomaterials. Appl Microbiol Biotechnol 83:397–413
Novatchkova M, Schneider G, Fritz R, Eisenhaber F, Schleiffer A (2006) DOUT-finder-identification of distant domain outliers using subsignificant sequence similarity. Nucleic Acids Res
34:W214–W218
Pavans de Ceccatty (1986) Cytoskeletal organisation and tissue patterns of epithelia in the sponge
Ephydatia m€ ulleri. J Morphol 189:45–65
Pechenik JA (2000) Biology of the invertebrates. McGraw Hill, Boston
Pilcher H (2005) Back to our roots. Nature 435:1022–1023
Pisera A (2003) Some aspects of silica deposition in lithistid demosponge desmas. Microsc Res
Tech 62:312–326
Rigby JK, Collins D (2004) Sponges of the Middle Cambrian Burgess Shale and Stephen
formations, British Columbia. Royal Ontario Museum, Toronto
Rigby JK, Hou XG (1995) Lower Cambrian demosponges and hexactinellid sponges from
Yunnan, China source. J Paleontol 69:1009–1019
Sandford F (2003) Physical and chemical analysis of the siliceous skeleton in six sponges of two
groups (Demospongiae and Hexactinellida). Microsc Res Tech 62:336–355
Schr€ oder HC, Krasko A, Le Pennec G, Adell T, Hassanein H, M€ uller IM, M€ uller WEG (2003)
Silicase, an enzyme which degrades biogenous amorphous silica: contribution to the metabolism of silica deposition in the demosponge Suberites domuncula. Progr Molec Subcell Biol
33:249–268
Schr€ oder HC, Perovic ´-Ottstadt S, Rothenberger M, Wiens M, Schwertner H, Batel R, Korzhev M,
M€ uller IM, M€ uller WEG (2004) Silica transport in the demosponge Suberites domuncula:
fluorescence emission analysis using the PDMPO probe and cloning of a potential transporter.
Biochem J 381:665–673
Schr€ oder HC, Boreiko A, Korzhev M, Tahir MN, Tremel W, Eckert C, Ushijima H, M€ uller IM,
M€ uller WEG (2006) Co-Expression and functional interaction of silicatein with galectin:
matrix-guided formation of siliceous spicules in the marine demosponge Suberites domuncula.
J Biol Chem 281:12001–12009
Schulze FE (1904) Hexactinellida. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer “Valdivia” 1898–1899. Fischer, Stuttgart
Seimiya M, Naito M, Watanabe Y, Kurosawa Y (1998) Homeobox genes in the freshwater sponge
Ephydatia fluviatilis. Prog Mol Subcell Biol 19:133–155
Shanker R, Singh G, Kumar G, Maithy PK (2001) Assembly and break-up of Rodinia and
Gondwana – evidence from India. Gondwana Res 4:783–784
Shimizu K, Cha J, Stucky GD, Morse DE (1998) Silicatein alpha: cathepsin L-like protein in
sponge biosilica. Proc Natl Acad Sci USA 95:6234–6238
Siever R (1992) The silica cycle in the Precambrian. Geochim Cosmochim Acta 56:3265–3272
Simonson BM (1985) Sedimentology of cherts in the early proterozoic wishart formation, Quebecnewfoundland, Canada. Sedimentology 32:2340
Simpson TL (1984) The cell biology of sponges. Springer, New York
9 The Unique Invention of the Siliceous Sponges
279
HC (2008b) Poly(silicate)-metabolizing silicatein in siliceous spicules and silicasomes of
demosponges comprises dual enzymatic activities (silica-polymerase and silica-esterase).
FEBS J 275:362–370
M€ uller WEG, Wang XH, Kropf K, Boreiko A, Schloßmacher U, Brandt D, Schr€ oder HC, Wiens M
(2008c) Silicatein expression in the hexactinellid Crateromorpha meyeri: the lead marker gene
restricted to siliceous sponges. Cell Tissue Res 333:339–351
M€ uller WEG, Wang XH, Kropf K, Ushijima H, Geurtsen W, Eckert C, Tahir MN, Tremel W,
Boreiko A, Schloßmacher U, Li J, Schr€ oder HC (2008d) Bioorganic/inorganic hybrid composition of sponge spicules: matrix of the giant spicules and of the comitalia of the deep sea
hexactinellid Monorhaphis. J Struct Biol 161:188–203
M€ uller WEG, Wang XH, Cui FZ, Jochum KP, Tremel W, Bill J, Schr€ oder HC, Natalio F,
Schloßmacher U, Wiens M (2009) Sponge spicules as blueprints for the biofabrication of
inorganic–organic composites and biomaterials. Appl Microbiol Biotechnol 83:397–413
Novatchkova M, Schneider G, Fritz R, Eisenhaber F, Schleiffer A (2006) DOUT-finder-identification of distant domain outliers using subsignificant sequence similarity. Nucleic Acids Res
34:W214–W218
Pavans de Ceccatty (1986) Cytoskeletal organisation and tissue patterns of epithelia in the sponge
Ephydatia m€ ulleri. J Morphol 189:45–65
Pechenik JA (2000) Biology of the invertebrates. McGraw Hill, Boston
Pilcher H (2005) Back to our roots. Nature 435:1022–1023
Pisera A (2003) Some aspects of silica deposition in lithistid demosponge desmas. Microsc Res
Tech 62:312–326
Rigby JK, Collins D (2004) Sponges of the Middle Cambrian Burgess Shale and Stephen
formations, British Columbia. Royal Ontario Museum, Toronto
Rigby JK, Hou XG (1995) Lower Cambrian demosponges and hexactinellid sponges from
Yunnan, China source. J Paleontol 69:1009–1019
Sandford F (2003) Physical and chemical analysis of the siliceous skeleton in six sponges of two
groups (Demospongiae and Hexactinellida). Microsc Res Tech 62:336–355
Schr€ oder HC, Krasko A, Le Pennec G, Adell T, Hassanein H, M€ uller IM, M€ uller WEG (2003)
Silicase, an enzyme which degrades biogenous amorphous silica: contribution to the metabolism of silica deposition in the demosponge Suberites domuncula. Progr Molec Subcell Biol
33:249–268
Schr€ oder HC, Perovic ´-Ottstadt S, Rothenberger M, Wiens M, Schwertner H, Batel R, Korzhev M,
M€ uller IM, M€ uller WEG (2004) Silica transport in the demosponge Suberites domuncula:
fluorescence emission analysis using the PDMPO probe and cloning of a potential transporter.
Biochem J 381:665–673
Schr€ oder HC, Boreiko A, Korzhev M, Tahir MN, Tremel W, Eckert C, Ushijima H, M€ uller IM,
M€ uller WEG (2006) Co-Expression and functional interaction of silicatein with galectin:
matrix-guided formation of siliceous spicules in the marine demosponge Suberites domuncula.
J Biol Chem 281:12001–12009
Schulze FE (1904) Hexactinellida. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer “Valdivia” 1898–1899. Fischer, Stuttgart
Seimiya M, Naito M, Watanabe Y, Kurosawa Y (1998) Homeobox genes in the freshwater sponge
Ephydatia fluviatilis. Prog Mol Subcell Biol 19:133–155
Shanker R, Singh G, Kumar G, Maithy PK (2001) Assembly and break-up of Rodinia and
Gondwana – evidence from India. Gondwana Res 4:783–784
Shimizu K, Cha J, Stucky GD, Morse DE (1998) Silicatein alpha: cathepsin L-like protein in
sponge biosilica. Proc Natl Acad Sci USA 95:6234–6238
Siever R (1992) The silica cycle in the Precambrian. Geochim Cosmochim Acta 56:3265–3272
Simonson BM (1985) Sedimentology of cherts in the early proterozoic wishart formation, Quebecnewfoundland, Canada. Sedimentology 32:2340
Simpson TL (1984) The cell biology of sponges. Springer, New York
9 The Unique Invention of the Siliceous Sponges
279