Results 81 to 90 of about 197 (131)
In Murky waters : Swedish demosponges and their genealogies
, 2022 Swedish Sponge fauna last updated happened over 80’s years ago. This fact explains, partially, the country’s low sponge. In this thesis, I update our knowledge of the swedish demosponge fauna (Paper I and II) and, give an insight to the relationship within one of the most common sponge groups in the country belonging to order Suberitida (Paper III and ...
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Syntheses of porphyrins isolated from the Coral Sea demosponge Corallistes sp.
ARKIVOC, 2002 Ravindra K. Pandey +2 more
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The Development of Two Species of Tetilla (Demosponge)
The Development of Two Species of Tetilla (Demosponge)application/pdf 紀要論文 1. The fertilization and development of two species of oviparous sponges, Tetilla serica and Tetilla japonica, were described. The results of this study show that these two species have common features in their development, but this is very unusual as compared with that of other sponges. 2.
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A hypercalcified sponge with soft relatives: Vaceletia is a keratose demosponge
Molecular Phylogenetics and Evolution, 2008 Gert Wörheide
exaly +4 more sources
Nanostructural features of demosponge biosilica
Journal of Structural Biology, 2003Recent interest in the optical and mechanical properties of silica structures made by living sponges, and the possibility of harnessing these mechanisms for the synthesis of advanced materials and devices, motivate our investigation of the nanoscale structure of these remarkable biomaterials. Scanning electron and atomic force microscopic (SEM and AFM)
James C, Weaver +5 more
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Development in primary cell culture of demosponges
Journal of Biotechnology, 2003We have established primary cell culture of the marine demosponge Dysidea avara and Suberites domuncula. Microbial contamination was controlled by the use of a pool of antibiotics confirming the goodness of this procedure. Effect of pH, temperature and light was studied to establish the better growth conditions.
De Rosa Salvatore +5 more
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Silica Deposition in Demosponges
2003Demosponges are the most widespread class of the phylum Porifera. They secrete siliceous (spicules) and proteinaceous (fibers) elements, which constitute the skeleton that shapes the sponge growth and allow cell organization and establishment of the aquiferous system through which the surrounding water accesses the internal cells.
Maria J, Uriz +2 more
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Evolution & Development, 2010
SUMMARY Little is known about the stem cells of organisms early in metazoan evolution. To characterize the stem cell system in demosponges, we identified Piwi homologs of a freshwater sponge, Ephydatia fluviatilis, as candidate stem cell (archeocyte) markers. EfPiwiA mRNA was expressed in cells with archeocyte cell morphological features.
Noriko, Funayama +4 more
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SUMMARY Little is known about the stem cells of organisms early in metazoan evolution. To characterize the stem cell system in demosponges, we identified Piwi homologs of a freshwater sponge, Ephydatia fluviatilis, as candidate stem cell (archeocyte) markers. EfPiwiA mRNA was expressed in cells with archeocyte cell morphological features.
Noriko, Funayama +4 more
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