Results 11 to 20 of about 1,420,649 (295)

Interaction among sea urchins in response to food cues [PDF]

open access: yesScientific Reports, 2021
Interaction among sea urchins remains largely uninvestigated, although the aggregation of sea urchins is common. In the present study, 1, 15 and 30 sea urchins Strongylocentrotus intermedius (11.06 ± 0.99 mm in test diameter) were placed in a 1 m2 ...
Jiangnan Sun   +9 more
doaj   +3 more sources

Senescence and Longevity of Sea Urchins. [PDF]

open access: yesGenes (Basel), 2020
Sea urchins are a minor class of marine invertebrates that share genetic similarities with humans. For example, the sea urchin species Strongylocentrotus purpuratus is estimated to have 23,300 genes in which the majority of vertebrate gene families are enveloped.
Amir Y   +4 more
europepmc   +5 more sources

Lipidomic Profiling of Edible Japanese Sea Urchins by LC–MS [PDF]

open access: yesFoods
Sea urchins (Echinoidea) are marine echinoderms commonly consumed as seafood in East Asia. To date, various metabolic components of sea urchins have been analyzed, and their health benefits for humans have also been attracting attention.
Sahana Amai   +4 more
doaj   +2 more sources

Macroalgae and interspecific alarm cues regulate behavioral interactions between sea urchins and sea cucumbers [PDF]

open access: yesScientific Reports, 2022
Sea urchins and sea cucumbers are mutually beneficial organisms in kelp ecosystem. As herbivores, sea urchins process kelp through feeding and egestion, providing inaccessible food for benthic consumers such as sea cucumbers.
Jiangnan Sun   +6 more
doaj   +2 more sources

The feces of sea urchins as food improves survival, growth, and resistance of small sea cucumbers Apostichopus japonicus in summer [PDF]

open access: yesScientific Reports, 2023
Mass mortality and low growth highly decrease the production efficiency and sustainable aquaculture development of the sea cucumber Apostichopus japonicus in summer. Sea urchin feces was proposed to address the summer problems.
Yushi Yu   +8 more
doaj   +2 more sources

Rearing Sea Urchins to Promote ‘Ready-to-Spawn’ Conditions for Ecotoxicological Surveys [PDF]

open access: yesToxics
The sea urchin Paracentrotus lividus is a good model in ecotoxicology, but adults living along the Italian coasts have a limited reproductive period.
Roberta Miroglio   +7 more
doaj   +2 more sources

Detrital kelp subsidy supports high reproductive condition of deep-living sea urchins in a sedimentary basin

open access: yesAquatic Biology, 2014
Highly productive kelp beds off Nova Scotia, Canada export detrital material to adjacent sedimentary habitats in deeper waters. We evaluated the importance of this subsidy to sea urchins Strongylocentrotus droebachiensis in less productive habitats ...
K Filbee-Dexter, RE Scheibling
doaj   +2 more sources

Comparison of Immune Indicators Related to Phagocytosis of Five Species of Sea Urchins under Artificial Infection with the Pathogenic Bacterium of Black Mouth Disease [PDF]

open access: yesBiology
To screen for immune indicators closely related to disease resistance, two species of sea urchin susceptible to black mouth disease (Strongylocentrotus intermedius, S.
Wenzhuo Tian   +10 more
doaj   +2 more sources

Trophic ecology of sea urchins in coral-rocky reef systems, Ecuador [PDF]

open access: yesPeerJ, 2016
Sea urchins are important grazers and influence reef development in the Eastern Tropical Pacific (ETP). Diadema mexicanum and Eucidaris thouarsii are the most important sea urchins on the Ecuadorian coastal reefs.
Nancy Cabanillas-Terán   +3 more
doaj   +3 more sources

Phylogenomics of strongylocentrotid sea urchins [PDF]

open access: yesBMC Evolutionary Biology, 2013
Strongylocentrotid sea urchins have a long tradition as model organisms for studying many fundamental processes in biology including fertilization, embryology, development and genome regulation but the phylogenetic relationships of the group remain largely unresolved. Although the differing isolating mechanisms of vicariance and rapidly evolving gamete
Kober, Kord M, Bernardi, Giacomo
openaire   +5 more sources

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