A global dataset of demosponge distribution records [PDF]
Biodiversity information in the form of species occurrence records is key for monitoring and predicting current and future biodiversity patterns, as well as for guiding conservation and management strategies. However, the reliability and accuracy of this
Ariadni Vafeiadou +2 more
doaj +6 more sources
Respiration kinetics and allometric scaling in the demosponge Halichondria panicea [PDF]
Background The aquiferous system in sponges represents one of the simplest circulatory systems used by animals for the internal uptake and distribution of oxygen and metabolic substrates.
Lars Kumala +2 more
doaj +6 more sources
First Report on Chitin in a Non-Verongiid Marine Demosponge: The Mycale euplectellioides Case [PDF]
Sponges (Porifera) are recognized as aquatic multicellular organisms which developed an effective biochemical pathway over millions of years of evolution to produce both biologically active secondary metabolites and biopolymer-based skeletal structures ...
Sonia Żółtowska-Aksamitowska +2 more
exaly +4 more sources
A remarkable new halichondrid demosponge, Ptilospongia hemisphaeroidalis, from the latest Ordovician Beigong Biota, South China [PDF]
A new halichondrid demosponge bubarid Ptilospongia hemisphaeroidalis gen. et sp. nov. is described from the latest Ordovician Beigong Biota in Jingxian County, Anhui Province, South China.
Lixia Li, Joachim Reitner
doaj +2 more sources
Phylomitogenomics bolsters the high-level classification of Demospongiae (phylum Porifera). [PDF]
Class Demospongiae is the largest in the phylum Porifera (Sponges) and encompasses nearly 8,000 accepted species in three subclasses: Keratosa, Verongimorpha, and Heteroscleromorpha.
Dennis V Lavrov +6 more
doaj +2 more sources
Validating the classics: Accurate reference gene panel for reliable RT-qPCR in Porifera. [PDF]
Quantitative real-time PCR (RT-qPCR) is a powerful method for gene expression analysis, but its accuracy critically depends on the selection of stable reference genes for normalization.
Kseniia V Skorentseva +4 more
doaj +2 more sources
Microbiome changes in the sponge Halichondria panicea along the Baltic Sea salinity gradient [PDF]
The Baltic Sea is characterized by a strong salinity gradient, which impacts the diversity and composition of free-living macro- and microorganisms. Much less is known about how host-associated microorganisms are affected by decreasing salinities. Marine
Philipp Hoy +4 more
doaj +2 more sources
Creation of a 3D Goethite–Spongin Composite Using an Extreme Biomimetics Approach [PDF]
The structural biopolymer spongin in the form of a 3D scaffold resembles in shape and size numerous species of industrially useful marine keratosan demosponges.
Anita Kubiak +17 more
doaj +2 more sources
Contractile behavior is common among sponges despite their lack of nerves and muscles. As sessile filter-feeders, sponges rely on water with suspended food particles being pumped through their aquiferous system.
Josephine Goldstein +2 more
exaly +3 more sources
Seventeen new complete mtDNA sequences reveal extensive mitochondrial genome evolution within the Demospongiae. [PDF]
Two major transitions in animal evolution--the origins of multicellularity and bilaterality--correlate with major changes in mitochondrial DNA (mtDNA) organization.
Xiujuan Wang, Dennis V Lavrov
doaj +1 more source

