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20 results for “Dicentrarchus labrax”
List of validated primers of gilthead sea bream (Sparus aurata) and European seabass (DIcentrarchus labrax) developed in PerformFISH project (D2.3)
<p>The document contains all the primers identified for the screening of genes tested for their potential as biomarkers to predict quality performance in gilthead sea bream and European sea bass larvae and juveniles in the context of PERFORMFISH (WP2). The spreadsheet has the following information: Pathway, phisiologic process in which the gene is involved; name of protein that gene produces; gene code; acession nº, code given in the consulted databases and the sequence extracted for primer design; FW and RV primer, forward and reverse primer sequence specific for target gene; melt temperature, optimized temperature that primers work at ; amplicon size, size in base pairs of the product produced with the primers; eff%, efficency of primers; r2; source, the origin of the primers, "in house" or "literature" (including available DOI. Each pair of primers are classified using a "traffic light" system indicating their validation status.</p>
Fig. 1 in Ingestion of plastics in the European bass (DIcentrarchus labrax Linnaeus, 1758): first known observation in the city of Plovdiv, Bulgaria
Fig. 1. Different plastic products found in the gut of European bass, purchased from the city of Plovdiv (photograph: Velichka Pachedzhieva).
Non - invasive identication of individuals of European seabass Dicentrarchus labrax (short term)
<p>The precision fish farming concept has been widely investigated in research and is highly desirable in aquaculture because it creates opportunities for precisely controlling and monitoring fish cultivation processes and increasing fish welfare. The automatic identification of individual fish could be one of the keys to enabling individual fish treatment. In a previous study, we already demonstrated that the visible patterns on a fish’s body can be used for the non-invasive individual identification of fishes from the same species (with obvious skin patterns, such as salmonids) over long-term periods. The aim of this study was to verify the possibility of using fully-automatic non-invasive photo-identification of individual fish based on natural marks on the fish’s body without any obvious skin patterns. This approach is an alternative to stressful invasive tagging and marking techniques. Scale patterns on the body and operculum, as well as lateral line shapes, were used as discriminative features for the identification of individuals in a closed group of fish. We used the European seabass <em>Dicentrarchus labrax</em>. The identification method was tested on two separate short-term data sets (pattern variability test) and two long-term data sets (pattern stability test) for European seabass (300 individual fish). The accuracy of classification was 100% for both the short-term and long-term experiments. According to these results, the methods used for automatic non-invasive image-based individual-fish identification can also be used for fish species without obvious skin patterns.</p>
Elevated CO2 does not alter behavioural lateralization in free‐swimming juvenile European sea bass ( Dicentrarchus labrax) tested in groups
<p>Rising concentrations of atmospheric carbon dioxide (CO<sub>2</sub>) equilibrate with oceanic CO<sub>2</sub>, contributing to ocean acidification (OA). OA can induce changes in fish behavioural lateralization (an expression of brain functional asymmetries) manifested in a left or right turning preference in detour tests. However, recent works find no such effects, and other work demonstrates assessment of turning preferences by detour tests to be a flawed methodology. Behavioural lateralization and OA effects on lateralization therefore need to be assessed with alternative paradigms. Here, we investigate left-right turning preferences of N=260 free-swimming juvenile European sea bass (<em>Dicentrarchus</em> <em>labrax</em>) reared in either: ambient conditions; OA conditions; or reared in ambient conditions but tested in OA water. Fish were observed free-swimming in groups of 10 individuals in a circular tank, and individuals' turning preferences were quantified using trajectory data from video. In contrast to early studies, and in support of recent comprehensive work on coral reef fishes, we show that near future OA levels have no effect on behavioural lateralization (left–right turning preference) in juvenile European sea bass.</p>
Data for: Tracking and Analysis of the Movement Behavior of European Seabass (Dicentrarchus labrax) in Aquaculture Systems
<p>Data for: Tracking and Analysis of the Movement Behavior of European Seabass (Dicentrarchus labrax) in Aquaculture Systems</p><p>Please read the README.txt file before working with the data.</p>
Elevated CO2 does not alter behavioural lateralization in free‐swimming juvenile European sea bass ( Dicentrarchus labrax) tested in groups
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Data from: Metapopulation patterns of additive and nonadditive genetic variance in the sea bass (Dicentrarchus labrax)
Describing and explaining the geographic within-species variation in phenotypes ("phenogeography") in the sea over a species distribution range is central to our understanding of a variety of eco-evolutionary topics. However, phenogeographic studies that have a large potential to investigate adaptive variation are overcome by phylogeographic studies, still mainly focusing on neutral markers. How genotypic and phenotypic data could covary over large geographic scales remains poorly understood in marine species. We crossed 75 noninbred sires (five origins) and 26 dams (two origins; each side of a hybrid zone) in a factorial diallel cross in order to investigate geographic variation for early survival and sex ratio in the metapopulation of the European sea bass (Dicentrarchus labrax), a highly prized marine fish species. Full-sib families (N = 1,950) were produced and reared in a common environment. Parentage assignment of 7,200 individuals was performed with seven microsatellite markers. Generalized linear models showed significant additive effects for both traits and pleiotropy between traits. A significant nonadditive genetic effect was detected. Different expression of traits and distinct relative performances were found for reciprocal crosses involving populations located on each side of the main hybrid zone located at the Almeria-Oran front, illustrating asymmetric reproductive isolation. The poor fitness performance observed for the Western Mediterranean population of sea bass is discussed as it represents the main source of seed hatchery production, but also because it potentially illustrates nonadaptive introgression and maladaptation.
Dataset_ metabolic scope performance and tolerance of juvenile European sea bass Dicentrarchus labrax upon acclimation to high temperatures
<p>This dataset contains the data associated with the article 'Metabolic scope, performance and tolerance of juvenile European sea bass Dicentrarchus labrax upon acclimation to high temperatures' by Stavrakidis-Zachou et al. accepted for publication on Plos one in July 2022.</p>
Data from: Metapopulation patterns of additive and nonadditive genetic variance in the sea bass (Dicentrarchus labrax)
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Data from: Genetic inactivation of European sea bass (Dicentrarchus labrax L.) eggs using UV-irradiation: observations and perspectives
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Data from: Combined effects of ocean acidification and temperature on larval and juvenile growth, development and swimming performance of European sea bass (Dicentrarchus labrax)
Ocean acidification and ocean warming (OAW) are simultaneously occurring and could pose ecological challenges to marine life, particularly early life stages of fish that, although they are internal calcifiers, have poorly developed acid-base regulation. This study assessed the effect of projected OAW on key fitness traits (growth, development and swimming ability) in European sea bass (Dicentrarchus labrax) larvae and juveniles. Starting at 2 days post-hatch (dph), larvae were exposed to one of three levels of PCO₂ (650, 1150, 1700 µatm; pH 8.0, 7.8, 7.6) at either a cold (15°C) or warm (20°C) temperature. Growth rate, development stage and critical swimming speed (Ucrit) were repeatedly measured as sea bass grew from 0.6 to ~10.0 (cold) or ~14.0 (warm) cm body length. Exposure to different levels of PCO₂ had no significant effect on growth, development or Ucrit of larvae and juveniles. At the warmer temperature, larvae displayed faster growth and deeper bodies. Notochord flexion occurred at 0.8 and 1.2 cm and metamorphosis was completed at an age of ~45 and ~60 days post-hatch for sea bass in the warm and cold treatments, respectively. Swimming performance increased rapidly with larval development but better swimmers were observed in the cold treatment, reflecting a potential trade-off between fast grow and swimming ability. A comparison of the results of this and other studies on marine fish indicates that the effects of OAW on the growth, development and swimming ability of early life stages are species-specific and that generalizing the impacts of climate-driven warming or ocean acidification is not warranted.
Data from: Combined effects of ocean acidification and temperature on larval and juvenile growth, development and swimming performance of European sea bass (Dicentrarchus labrax)
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Data from: Range-wide population structure of European sea bass Dicentrarchus labrax
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An integrated genomic approach for the study of mandibular prognathism in the European seabass (Dicentrarchus labrax) I
GEO Series GSE85052. Dicentrarchus labrax. 6 samples. Type: Expression profiling by array.
Characterization of the European sea bass (Dicentrarchus labrax) gonadal transcriptome during different stages of development
GEO Series GSE115841. Dicentrarchus labrax. 41 samples. Type: Expression profiling by array.
The Gene expression gradient through the intestine tract of European Sea Bass (Dicentrarchus labrax)
GEO Series GSE59240. Dicentrarchus labrax. 23 samples. Type: Expression profiling by array.
An integrated genomic approach for the study of mandibular prognathism in the European seabass (Dicentrarchus labrax) II
GEO Series GSE85054. Dicentrarchus labrax. 10 samples. Type: Expression profiling by array.
Transcriptomic profiling of egg quality in seabass (Dicentrarchus labrax)
GEO Series GSE84559. Dicentrarchus labrax. 15 samples. Type: Expression profiling by array.
Gene expression based on an oligonucleotide microarray for Dicentrarchus labrax
GEO Series GSE28812. Dicentrarchus labrax. 6 samples. Type: Expression profiling by array.
Effects of the total replacement of fish meal and fish oil with plant protein and oil sources on the hepatic transcriptome of two European sea bass (Dicentrarchus labrax) sub-families exhibiting diffe
GEO Series GSE27649. Dicentrarchus labrax. 24 samples. Type: Expression profiling by array.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.