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Macrofauna associated to Mycale microsigmatosa (Porifera, Demospongiae) in Rio de Janeiro State, SE Brazil
The macrofauna associated to the sponge Mycale (Carmia) microsigmatosa Arndt, 1927 was studied at three sites in Rio de Janeiro State, Brazil and did not change significantly its diversity, abundance, richness, and dominance patterns of higher taxa.
Isolation, characterization and phylogeny of sponge-associated bacteria with antimicrobial activities from Brazil.
It is suggested that the identified strains may contribute to the search for new sources of antimicrobial substances, an important strategy for developing alternative therapies to treat infections caused by multidrug-resistant bacteria.
Marine sponges: potential sources of new antimicrobial drugs.
The discoveries of products derived from marine sponges and associated bacteria that have shown in vivo efficacy or potent in vitro activity against infectious and parasitic diseases, including bacterial, viral, fungal and protozoan infections are surveyed.
In vivo study of microsclere formation in sponges of the genus Mycale (Demospongiae, Poecilosclerida)
Timed observations of sclerocytes suggest that immature spicules with the aspect of short straight rods with thick ends might be the precursors of the anisochelae in demosponges, which may indicate either the presence of two distinct subpopulations of toxa-producing microsclerocytes or that the initial number of axial filaments at the beginning of silica deposition may determine the final size of theSpicules.
Sponges without skeleton: A new Mediterranean genus of Homoscleromorpha (Porifera, Demospongiae)
A new genus of aspiculate homoscleromorph, Pseudocorticium, is described along with the new species P. jarrei found in a littoral cave located in the western Mediterranean Sea (France), which differs from Oscarella in its morphology, anatomy, and cytology.
Cytological evidence for cryptic speciation in Mediterranean Oscarella species (Porifera, Homoscleromorpha)
Three new sponge species without a skeleton, Oscarella viridis, O. microlobata, and O. imperialis, were found in sublittoral caves and on vertical walls along the coast of Provence and reveals an unexpected biodiversity of this genus in the Mediterranean Sea.
Environmental Shaping of Sponge Associated Archaeal Communities
The presence of archaeal amoA genes in Porifera suggests that Archaea are involved in the nitrogen cycle within the sponge holobiont, possibly increasing its resistance to anthropogenic impacts.
Taxonomic revision of the Mediterranean Plakina Schulze (Porifera, Demospongiae, Homoscleromorpha)
Accurate analysis of the internal anatomy and of the shape and ramification pattern of lophose spicules in scanning electron microscopy provides new, powerful morphological criteria for species discrimination in Plakina, thus generating an increase in estimates of the biodiversity of plakinids.
Diversity of Indo-Australian Plakortis (Demospongiae: Plakinidae), with description of four new species
  • G. Muricy
  • Biology
    Journal of the Marine Biological Association of…
  • 30 June 2010
A collection of 32 specimens of the genus Plakortis from Australia and the Indo-Pacific is here examined and the number of valid species in the genus is raised from 15 to 19.