Results 91 to 100 of about 16,899 (204)

Exploring the Use of Machine Learning in Marine Biomonitoring: Assessing Nickel Exposure in Paracentrotus lividus Embryos

open access: yesToxics
The sea urchin embryo represents a well-established model organism widely applied in embryo toxicity assays, ecotoxicological investigations, and biomonitoring studies.
Lehel Dénes-Fazakas   +5 more
doaj   +1 more source

Recent Advances in Natural Products Derived from Marine Echinoderms and Endophytic Microbes: Chemical Insights and Therapeutic Potential

open access: yesMarine Drugs
Echinoderms, a diverse group of marine invertebrates including starfish, sea urchins, and sea cucumbers, have been recognized as prolific sources of structurally diverse natural products.
Shuangyu Li   +5 more
doaj   +1 more source

Echinodermata: The complex immune system in echinoderms

open access: yes, 2018
The Echinodermata are an ancient phylum of benthic marine invertebrates with a dispersal-stage planktonic larva. These animals have innate immune systems characterized initially by clearance of foreign particles, including microbes, from the body cavity ...
Pinsino A.   +28 more
core   +2 more sources

Quick look cathodoluminescence analyses and their impact on the interpretation of carbonate reservoirs. Case study of mid-Jurassic oolitic reservoirs in the Paris Basin

open access: yesCarnets de Géologie, 2009
Cathodoluminescence analyses on samples from Middle Jurassic oolitic limestones allow us to reconstruct the diagenetic history of these oil and gas reservoirs: a succession of events starting with the early, synsedimentary phases of marine cementation ...
Granier Bruno, Staffelbach Christian
doaj  

Secondary Metabolites of Biological Significance from Echinoderms

open access: yes, 2014
The extraordinary development of marine natural products chemistry during the last three decades has been prompted by the fact that marine organisms are sources of new natural products with unusual structural features that have no precedent among ...
Maier, Marta Silvia, Murray, Ana Paula
core   +1 more source

Larval development of Holothuria tubulosa, a new tractable system for evo-devo

open access: yesFrontiers in Ecology and Evolution
To explore animal diversity, new experimentally tractable organisms must be established. Echinoderms include five groups of marine animals that have been used as developmental models for over a century thanks to their low costs, high fecundity, optically
Margherita Perillo   +4 more
doaj   +1 more source

Imaging of Echinoderm Fertilization

open access: yesMolecular Biology of the Cell, 1998
Eggs from echinoderms (sea urchin, starfish, and sand dollars) have been an excellent subject for cell biology for more than 100 years. Among the many discoveries that have been made with echinoderm eggs are the first studies of the centrosome (Boveri, 1902 ; also see Baltzer, 1967 ), the Ca requirement for healing plasma membrane wounds (Chambers ...
openaire   +3 more sources

Diversidad y distribución de crustáceos y equinodermos y su relación con niveles de sedimentación en arrecifes coralinos

open access: yesRevista de Biología Tropical, 2003
Se estimó la riqueza, diversidad, abundancia y distribución espacial de crustáceos y equinodermos en formaciones arrecifales de South Caicos, y se evaluó la relación entre las características de sedimentación en los arrecifes y dichos parámetros ...
Ella Vázquez-Domínguez
doaj  

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