Results 121 to 130 of about 4,495 (224)

How morphogen gradients form – of FGF signals, a secreted serine protease, and a feedback-regulated protease inhibitor [PDF]

The formation of morphogen gradients is of fundamental importance in biology. Fibroblast growth factors (FGFs) have key functions in embryonic development and the adult, yet little is known about how the distribution and strength of these signals is ...
ایلیو, دوبرومیر, سقا, محسن, مین, تان هویی, پرا, ادگار, گریزباخ, جولیا   +4 more
core   +1 more source

Nanostructural organization of naturally occurring composites - part II: silica-chitin-based biocomposites [PDF]

, 2012
Investigations of the micro- and nanostructures and chemical composition of the sponge skeletons as examples for natural structural biocomposites are of fundamental scientific relevance.
Bazhenov, Vasily V., Born, René, Ehrlich, Hermann, Erler, Christiane, Hanke, Thomas, Heinemann, Sascha, Janussen, Dorte, Mertig, Michael, Shapkin, Nikolay P., Simon, Paul, Vournakis, John N., Worch, Hartmut   +11 more
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Siting Study for a Hydrokinetic Energy Project Located Offshore Southeastern Florida: Protocols for Survey Methodology for Offshore Marine Hydrokinetic Energy Projects [PDF]

, 2012
Dehlsen Associates, LLC was awarded a grant by the United States Department of Energy (DOE) Golden Field Office for a project titled “Siting Study Framework and Survey Methodology for Marine and Hydrokinetic Energy Project in Offshore Southeast Florida,”
Messing, Charles, Reed, John K., Rogers, Stephanie, Vinick, Charles, Walker, Brian K.   +4 more
core   +1 more source

The unique skeleton of siliceous sponges (Porifera; Hexactinellida and Demospongiae) that evolved first from the Urmetazoa during the Proterozoic: a review

, 2007
International audienceSponges (phylum Porifera) had been considered as an enigmatic phylum, prior to the analysis of their genetic repertoire/tool kit.
Li, J., Müller, W. E. G., Qiao, L., Schröder, H. C., Wang, X.   +4 more
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Geo-Biological Investigations on Azooxanthellate Cold-Water Coral Reefs on the Carbonate Mounds Along the Celtic Continental Slope [PDF]

, 2004
Northeast Atlantic 2004 Cruise No.
Bannert, Bernhard, Beck, T., Beuck, L., Dullo, Wolf-Christian, Flögel, Sascha, Freiwald, Andre, Gass, S., Gektidis, M., Heger, A., Jamieson, A., Kavanagh, F., King, N., Kuhanec, B., Linke, Peter, Martin, B., Neulinger, Sven, Noe, S., Pfannkuche, Olaf, Queisser, Wolfgang, Ruseler, S., Rüggeberg, Andres, Schiemer, I., Schmidt, Steffi, Schönfeld, Joachim, Taviani, M., Türk, M., Vertino, A., Wigham, B.   +27 more
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Trawl-induced Damage to Sponges Observed From a Research Submersible [PDF]

, 2001
Three experimental trawl paths subjected to a single pass with the trawl in 1996 in about 200 m of water on the eastern Gulf of Alaska continental shelf were revisited in July 1997, 1 year post-trawl.
Freese, J. Lincoln
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Phylomitogenomics bolsters the high-level classification of Demospongiae (phylum Porifera). [PDF]

PLoS One, 2023
Lavrov DV, Diaz MC, Maldonado M, Morrow CC, Perez T, Pomponi SA, Thacker RW.   +6 more
europepmc   +1 more source

Exploitation, secondary extinction and the altered trophic structure of Jamaican coral reefs [PDF]

, 2010
Coral reef communities of the Greater Antilles in the Caribbean have a long history of anthropogenic disturbance, driven by the exploitation for food of both vertebrate and invertebrate species.
Peter D. Roopnarine, Rachel A. Hertog
core   +1 more source

Estudi faunístic del litoral de Blanes (Girona), II. Sistemàtica d'esponges [PDF]

, 1981
The benthic communities of a little area in the Blanes littoral (Girona, Spain) have been studied for two years. They belong to the upper infralittoral level, between 3 and 12 m deep, and have been studied from 40 inventories obtained from punctual ...
Bibiloni Navarro, Maria-Antònia
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Annotated catalogue of Porifera type specimens in the Belgian national collections [PDF]

, 1994
The national zoological collections of Belgium house 161 type specimens representing a total of 64 nominal species of Porifera. A list of extant and lost specimens is provided, presenting their original name, synonyms, museum characteristics and ...
Willenz, P.
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