Abstracts

Erpenbeck D, Hendriks P, Strickland C, Ekins M, Schlacher-Hoenlinger MA, Degnan BM, Hooper JNA, Wörheide, G. (2007): Molecular and Biochemical Systematics of Keratose Sponges. ManaproXII International Symposium on Marine Natural Products. Conference Programme & Proceedings. ISBN 978-0-473-11940-9. p152

Wörheide, G., Erpenbeck D. (2007): The Sponge Barcoding Project (SBP) and the Sponge Barcoding Database (SBD) - aiding in the identification and description of poriferan taxa. (www.spongebarcoding.org). ManaproXII International Symposium on Marine Natural Products. Conference Programme & Proceedings. ISBN 978-0-473-11940-9. p193

Wörheide, G.(2006): Phylogeography of Indo-Pacific coral reef sponges. European Meeting of the International Society for Reef Studies, Bremen, Germany. September 2006.

Wörheide, G. (2006): Phylogeography of tropical Indo-Pacific coral reef sponges: insights into population history and speciation. Invited Keynote, 7th International Sponge Conference, Rio de Janeiro, Brazil, May 2006.

Voigt, O., Dohrmann, M., Erpenbeck, D., Wörheide, G. (2006): New insights into the Phylogeny and Evolution of Calcareous Sponges. 7th International Sponge Conference, Rio de Janeiro, Brazil, May 2006.

Dohrmann, M., Janussen, D., Reitner, J., Wörheide, G. (2006): Phylogeny of Hexactinellida. 7th International Sponge Conference, Rio de Janeiro, Brazil, May 2006.

Erpenbeck, D., Nichols, S.A., Hooper, J.N.A., Wörheide, G. (2006) Evolutionary patterns of nucleotide composition in demosponge rRNA. 7th International Sponge Conference, Rio de Janeiro, Brazil, May 2006.

Erpenbeck, D., Nichols, S.A., Voigt, O., Dohrmann, M., Hooper, J.N.A., Wörheide, G. (2006): Demosponge phylogenies analysed under secondary structure-based substitution models. 7th International Sponge Conference, Rio de Janeiro, Brazil, May 2006.

Macis, L., Reitner, J., Wörheide, G. (2006): Characterization of Matrix Proteins in the Coralline Demosponge Astrosclera willeyana.7th International Sponge Conference, Rio de Janeiro, Brazil, May 2006.

Wörheide, G., Reitner, J., Vacelet, J., Hooper, J.N.A. (2006): Molecular phylogeny, origin and diversification of Vaceletia spp. "living fossil sphinctozoan sponges". 7th International Sponge Conference, Rio de Janeiro, Brazil, May 2006.

Wörheide, G., Macis, L., Reitner, J. (2005): Characterization of Matrix Proteins in the Coralline Demosponge Astrosclera willeyana. 9th International Symposium on Biomineralization, Pucon, Chile. December 2005.

Gussone, N., Böhm, F., Eisenhauer, A., Dietzel, M., Heuser, A., Teichert, B.M.A., Reitner, J., Wörheide, G., Dullo, W.-C. (2005): Calcium Isotope Fractionation in the Calcium Carbonate Polymorphs Calcite and Aragonite. EGU 2005 (Wien), Session BG2.02 Calibration and validation of marine and terrestrial proxies: from empiricism towards a mechanistic understanding.

Wörheide, G., Macis, L. & Reitner, J. (2004): Biocalcification processes in the coralline demosponge Astrosclera willeyana. In: Geobiologie. 74. Jahrestagung der Paläontologischen Gesellschaft, Göttingen, 02. bis 08. Oktober 2004. Kurzfassungen der Vorträge und Poster (eds. Reitner, Reich & Schmidt) Niedersächsische Staats- u. Uni-Bibl.: 257.

Wörheide, G., Hooper, J.N.A., & Epp, L.S. (2004): Biodiversity, phylogeography, and diversification of Indo-Pacific sponges. In: Geobiologie. 74. Jahrestagung der Paläontologischen Gesellschaft, Göttingen, 02. bis 08. Oktober 2004. Kurzfassungen der Vorträge und Poster (eds. Reitner, Reich & Schmidt) Niedersächsische Staats- u. Uni-Bibl.: 255-256.

Wörheide, G., Hooper, J.N.A. & Reitner, J. (2004): Molecular phylogeny, origin and diversification of Vaceletia spp., "living fossil sphinctozoan" sponges. In: Geobiologie. 74. Jahrestagung der Paläontologischen Gesellschaft, Göttingen, 02. bis 08. Oktober 2004. Kurzfassungen der Vorträge und Poster (eds. Reitner, Reich & Schmidt) Niedersächsische Staats- u. Uni-Bibl.: 256-257.

Epp, L.S. & Wörheide, G. (2004): Comparative phylogeography and population genetics of the Indo-pacific marine invertebrates Leucetta "chagosensis"(Porifera) and Linckia laevigata (Echinodermata) – state of knowledge and future prospects. In: Geobiologie. 74. Jahrestagung der Paläontologischen Gesellschaft, Göttingen, 02. bis 08. Oktober 2004. Kurzfassungen der Vorträge und Poster (eds. Reitner, Reich & Schmidt) Niedersächsische Staats- u. Uni-Bibl.: 73-74.

Wörheide, G., Hooper, J.N.A. & Epp, L.S. (2004): Indo-Pacific sponge biodiversity, phylogeography, and diversification. Invited talk. 10th International Coral Reef Symposium, July 2004, Okinawa, Japan. Mini-Symposium 1-6: Biodiversity and Diversification in the Indo-West Pacific.

Wörheide, G. & Reitner, J. (2004): Matrix proteins involved in ancestral biocalcification processes in the coralline demosponge Astrosclera willeyana. Poster. 10th International Coral Reef Symposium, July 2004, Okinawa, Japan. Mini-Symposium 1-7: Functional Roles of Sponges in Coral Reefs.

Wörheide, G. & Solé-Cava, A. (2004): What do genetic markers tell about sponge populations that we do not already know? Keynote. Society for Integrative and Comparative Biology Annual Conference, New Orleans, January 2004. Symposium "Sponges: New views on old animals"

Thiel, V., Wörheide, G., Blumenberg, M., PAPE, T. & Michaelis, W. (2004) Lipid biomarkers: an unconventional approach to resolve sponge interclass relationships. - Society for Integrative and Comparative Biology Annual Conference, New Orleans, January 2004. Invited Talk, Symposium "Sponges: New views on old animals"

Wörheide, G., Hooper, J.N.A., & Reitner, J. (2003): Origin and diversification of "living fossil sphinctozoan" sponges (Vaceletia spp.). Did they come from the deep ? - Australian Marine "Science Association Annual Conference", Brisbane, July 2003.

Böhm, F.; Wörheide, G., Gussone, N., Eisenhauer, A. , Heuser, A., Haase-Schramm, A., Vacelet, J., Reitner, J. , Dullo, W.-C. (2003): Ca Isotopes from Modern Calcarea and Sclerosponges (Porifera) - Evidence for Different Calcification Mechanisms? Geo2003, Bonn.

Haase-Schramm, A., Böhm, F., Eisenhauer, A., Vacelet, J., Reitner, J., Wörheide, G., Garbe-Schönberg, D., Dullo, W.-C. & Pawlik, J. (2003): Application of Sr/Ca Ratios in Sclerosponges as Temperature Proxy, AGU Meeting San Francisco Dec. 2003.

Wörheide, G., Hooper, J.N.A. & Degnan, B.M. (2002): Nested clade analysis and phylogeography of western Pacific Leucetta "chagosensis" (Porifera: Calcarea): clues for conservation of the Great Barrier Reef World Heritage Area (Australia). European Meeting of the International Society for Reef Studies, Cambridge UK, September 2002.

Wörheide, G., Hooper, J.N.A. & Degnan, B.M. (2002): Nested clade analysis and phylogeography of western Pacific Leucetta "chagosensis" (Porifera: Calcarea): clues for conservation of the Great Barrier Reef World Heritage Area (Australia). 6th International Sponge Symposium, Rapallo, Italy, October 2002.

Degnan, B.M., Larroux, C., Leys, S.P., Liubicich, D., Hinman, V.F., Gongora, M., Elliot, M. & Wörheide, G. (2002): Expression of developmental genes in sponge larvae: evidence for a shared regulatory architecture in all metazoans. 6th International Sponge Symposium, Rapallo, Italy, October 2002.

Kehraus, S., König, G.M., Wright, A.D. & Wörheide, G. (2002): Leucamide A: A New Cytotoxic Heptapeptide from the Australian Sponge Leucetta microraphis. 6th International Sponge Symposium, Rapallo, Italy, October 2002

Gross, H., Kehraus, S., König, G.M., Wörheide, G. & Wright, A.D. (2002): New and Biologically Active Imidazole Alkaloids from two Sponges of the Genus Leucetta. 6th International Sponge Symposium, Rapallo, Italy, October 2002.

Wörheide G., Hooper J.N.A. & Degnan, B.M. (2001): Internal transcribed spacer sequences as a phylogeographic marker in sponges: a case study of SW Pacific Leucettidae (Porifera: Calcarea). Abstract. Australian Marine Science Association National Conference, Townsville, July 2001.

Liubichich, D. Hinman, V., Leys, S., Wörheide, G., Larroux, C. & Degnan, B. (2001): Analysis of gene expression in early development of a marine demosponge: identifying conserved metazoan developmental pathways. Abstract. Australian Marine Science Association National Conference, Townsville, July 2001.

Jeffrey, B., Moritz, C., Benzie, J., Wörheide, G. & Degnan, B. (2001): Comparative population history of two tropical marine invertebrates across the Indo-Malay region inferred from mitochondrial DNA sequences. Abstract. Australian Marine Science Association National Conference, Townsville, July 2001.

Wörheide G., Degnan, B.M. & Hooper, J.N.A. (2000): Population phylogenetics of the common Coral reef sponges Leucetta spp. and Pericharax spp. (Porifera: Calcarea) from the Great Barrier Reef and Vanuatu. - Abstract, 9th International Coral Reef Symposium, Bali (Indonesia), October 2000.

Wörheide G., Hooper, J.N.A., Gagan, M., Degnan, B.M., Thiel, V. & Reitner, J. (2000): Multidisciplinary Geobiological approach to a fundamentally problematic group of coral reef sponges: calcareous sponges (Porifera: Calcarea) from the Great Barrier Reef. Abstract, 9th International Coral Reef Symposium, Bali (Indonesia), October 2000.

Wörheide G., Degnan, B.M., Hooper, J.N.A. & Reitner, J. (2000): Biogeography and taxonomy of the Indo-Pacific reef cave dwelling coralline demosponge Astrosclera willeyana - new data from nuclear ITS gene sequences. Abstract, 9th International Coral Reef Symposium, Bali (Indonesia), October 2000.

Wörheide, G. & Reitner, J. (1999): Cell biology of the coralline demosponge Astrosclera willeyana - A key to understand biocalcification processes of the spherulitic basal skeleton in "stromatoporoid" sponges. - Abstract, 8th International Symposium on Fossil Cnidaria & Porifera, Sendai (Japan), September 1999.

Wörheide, G. & Reitner, J. (1998): Biogeography and taxonomy of the reef cave dwelling coralline demosponge Astrosclera willeyana throughout the Indo-Pacific. - 5th International Sponge Symposium, "Origin & Outlook", Brisbane, July 1998. Book of Abstracts: 88.

Wörheide, G. & Reitner, J. (1998): Climatic changes of the last 450 years recorded in the skeleton of the coralline demosponge Astrosclera willeyana. 5th International Sponge Symposium, "Origin & Outlook", Brisbane, July 1998. Book of Abstracts: 89.

Wörheide, G. & Reitner, J. (1998): Biocalcification in the Indo-Pacific coralline demosponge Astrosclera willeyana LISTER - The role of basopinacoderm. 5th International Sponge Symposium, Brisbane, July 1998. Book of Abstracts: 89.

Böhm, F., Eisenhauer, A., Joachimski, M.M., Lehnert, H., Dullo, W.-CHR., Wörheide, G. & Reitner, J. (1998): Carbon Isotope time series of coralline sponges from the Coral Sea, Philippines, and Caribbean. 5th International Sponge Symposium, "Origin & Outlook", Brisbane, July 1998. Book of Abstracts: 6.

Reitner, J., Wörheide, G. & Hooper, J. (1998): "Mud Mound" structures and coralline sponges from the Osprey Reef (Queensland Plateau, Coral Sea, Australia). 5th International Sponge Symposium, "Origin & Outlook", Brisbane, July 1998. Book of Abstracts: 63.

Reitner, J., Wörheide, G. & Hooper, J. (1998): New colonial Vaceletia - type sphinctozoan from the Pacific. 5th International Sponge Symposium, "Origin & Outlook", Brisbane, July 1998. Book of Abstracts: 65.

Reitner, J., Wörheide, G., Hooper, J., Arp, G., Reimer, A. & Kempe, S. (1998): A strange suberitid demosponge from am marine high alkaline crater lake (Satonda Island, Indonesia). 5th International Sponge Symposium, "Origin & Outlook", Brisbane, July 1998. Book of Abstracts: 65-66.

Reitner, J., Bergbauer, M., Wörheide, G., Lange, R., Thiel, V., Eisenhauer, A., Reimer, A. & Fliege, S. (1998): New approaches to the biomineralization processes of calcified skeletons in coralline demosponges. 5th International Sponge Symposium, "Origin & Outlook", Brisbane, July 1998. Book of Abstracts: 64.

Hassan, M. & Wörheide, G. (1998): Reef Check 1997 in Egypt: Integrating the tourism industry in coral reef protection. ISRS European Meeting Perpignan, France Abstracts: 89.

Reitner, J., Wörheide, G., & Thiel, V. (1998): Facies and habitats in reef caves, cryptic environments, and deep fore reef zones in reefs: a comparison of conservative benthic communities from the Cretaceous of Spain and modern Indo-Pacific reefs. - 14th Australian Geological Convention, Townsville, July 1998; Geological Society of Australia, Abstracts No. 49: 375.

Böhm, F., Eisenhauer, A., Joachimski, M., Lehnert, H., Dullo, W.-C., Reitner, J. & Wörheide, G. (1998): Wachstumsraten rezenter "Chaetetiden und Stromatoporen", Sediment 1998, 9.-13.6.1998, Erlangen.

Wörheide, G. & Reitner, J. (1997): Modes of skeletal formation in the Recent coralline agelasid demosponge Astrosclera willeyana Lister. - Abstract Supplement No. 1, Terra Nova 9: 276-277; 9th Meeting of the European Union of Geosciences, Strasbourg, France, March 1997.

Reitner, J., Wörheide, G., Thiel, V., Zankl, H. & Gautret, P. (1997): Formation of modern marine microbialites and its relevance for fossil reefs. - Abstract Supplement No. 1, Terra Nova 9: 276; 9th Meeting of the European Union of Geosciences, Strasbourg, France, March 1997.

Arp, G., Reitner, J. Wörheide, G., Landmann, G. & Kempe, S. (1997): New data on Satonda Crater Lake microbial communities, Sumbawa, Indonesia. - Abstract Supplement No. 1, Terra Nova 9: 276; 9th Meeting of the European Union of Geosciences, Strasbourg, France, March 1997.

Wörheide, G., Reitner, J. & Gautret, P. (1996): Comparison of biocalcification processes in the two coralline demosponges Astrosclera willeyana LISTER and Spirastrella (Acanthochaetetes) wellsi HARTMAN & GOREAU - Abstract. 8th International Coral Reef Symposium, Panama City, June 1996

Reitner, J., Wörheide, G. & Neuweiler, F. (1996): Reef Cave Microbialites from Lizard Island (Great Barrier Reef) - Processes and Products. Abstract. 8th International Coral Reef Symposium, Panama City, June 1996

Böhm, F., Joachimski, M.M., Lehnert, H., Vacelet, J., Wörheide, G., Reitner, J. & Dullo, W.-CHR. (1996): Long-term isotope records of modern sponges: effect of anthropogenic CO2 on surface water 13C. Abstract, Stable Isotopes and the Integration of Biological, Ecological and Geochemical Processes. 9-11 July, Newcastle upon Tyne, UK.

Jahn, T., König, G.M., Wright, A.D., Wörheide, G. & Reitner, J. (1996): New Chemical Investigation of the "Living Fossil" Coralline Demosponge Astrosclera willeyana LISTER 1900. Abstract. 44th Annual Meeting of the Society for Medicinal Plant Research. Prag 1996.

Wörheide, G., Gautret, P. & Reitner, J. (1995): Analysis of intraskeletal organic matrix of the Recent calcified sponge Astrosclera willeyana LISTER (Porifera, Demospongia): a paleoenvironmental application. - In: Comas-Rengifo, M. J., Perejon, A., Ríguez, S. & Sando, W. J. (eds.): VII International Symposium on Fossil Cnidaria and Porifera, Madrid, Spain, September 12-15, 1995; Abstracts. 107-108.