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Cardiac responses to elevated seawater temperature in Atlantic salmon

ABSTRACT: Long-term exposure of Atlantic salmon to 19°C resulted in cardiac gene and protein expression changes indicating that the unfolded protein response, vascularization, remodeling of connective tissue and altered innate immune responses were part of the cardiac acclimation or response to elevated temperature

ORGANISM(S): Salmo salar Oncorhynchus mykiss

PROVIDER: GSE53908 | GEO | 2014/01/09

SECONDARY ACCESSION(S): PRJNA233947

REPOSITORIES: GEO

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Cardiac responses to elevated seawater temperature in Atlantic salmon

Project description:Long-term exposure of Atlantic salmon to 19M-BM-0C resulted in cardiac gene and protein expression changes indicating that the unfolded protein response, vascularization, remodeling of connective tissue and altered innate immune responses were part of the cardiac acclimation or response to elevated temperature Heart tissue from Atlantic salmon (RNA poooled from N=3 fish per 3 replicate tanks) reared under normal (14 deg C) and elevated (19 deg C) temperatures were sampled after 21 (short-term) and 56 days (long-term acclimation), and gene expression changes between the elevated and the control temperature were assessed using microarray analysis.

2014-01-09 | E-GEOD-53908 | biostudies-arrayexpress

Gene expression profiling in melanised sites of Atlantic salmon fillets

Project description:Black spots, which deteriorate quality of Atlantic salmon fillets represent a significant problem for commercial aquaculture. These areas are characterized with accumulation of melanomacrophages, occasional formation of granulomas and substitution of skeletal muscle with connective tissue. Transcriptome analysis was performed to elucidate the origin and the character of inflammation in the melanized foci of skeletal muscle.

2021-08-28 | GSE182962 | GEO

Morphology and transcriptome of Atlantic salmon skin after seawater transfer, comparison of a semi-closed containment system and open net-pen

Project description:Development of semi-closed containment systems is a promising strategy to further expand Atlantic salmon production. The technology operates with higher production intensities where skin integrity is recognized as a central factor for animal health and welfare. This study investigate the skin development and its immune status in healthy Atlantic salmon growers reared in a semi-closed containment system and a traditional open net-pen system (control).

2018-05-05 | GSE114028 | GEO

Salmon liver proteomics - Liver proteome response of pre-harvest Atlantic salmon following exposure to elevated temperature

Project description:Atlantic salmon production in Tasmania (Southern Australia) occurs near the upper limits of the species thermal tolerance. Summer water temperatures can average over 19°C over several weeks and have negative effects on performance and health. Liver tissue exerts important metabolic functions in thermal adaptation. With the aim of identifying the mechanisms underlying liver plasticity in response to chronic elevated temperature in Atlantic salmon, label-free quantitative shotgun proteomics was used to explore quantitative protein changes after 43 days of exposure to elevated temperature. A total of 277 proteins were differentially (adjusted p-value <0.05) expressed between the control (15°C) and elevated (21°C) temperature treatments. As predicted identified by Ingenuity pathway analysis (IPA), transcription and translation mechanisms, protein degradation via the proteasome, and cytoskeletal components were down-regulated at elevated temperature. In contrast, an up-regulated response was predicted identified for NRF2-mediated oxidative stress, endoplasmic reticulum stress, and amino acid degradation. The proteome response was paralleled by reduced fish condition factor and hepato-somatic index at elevated temperature . The present study provides further evidence of the interplay among different cellular machineries in a scenario of heat-induced energy deficit and oxidative stress, and refines present understanding of how Atlantic salmon cope with chronic exposure to temperature near the upper limits of thermal tolerance.

2018-03-01 | PXD004985 | Pride

Responses to ectoparasite salmon louse (Lepeophtheirus salmonis) in Atlantic salmon

Project description:This SuperSeries is composed of the following subset Series: GSE26981: Responses to ectoparasite salmon louse (Lepeophtheirus salmonis) in skin of Atlantic salmon GSE26984: Responses to ectoparasite salmon louse (Lepeophtheirus salmonis) in spleen of Atlantic salmon Refer to individual Series

2011-02-03 | E-GEOD-27013 | biostudies-arrayexpress

Conservation genomics of Atlantic salmon

Project description:This SuperSeries is composed of the following subset Series: GSE19111: Conservation genomics of Atlantic salmon (Year One) GSE19119: Conservation genomics of Atlantic salmon (Year Two) Refer to individual Series

2010-05-19 | E-GEOD-19170 | biostudies-arrayexpress

Atlantic salmon gastric mucosa LC-MSMS

Project description:The Atlantic salmon (Salmo salar) genome contains 10 chitinase encoding genes, but little is known about the function of these chitinases. Three of the chitinase genes have previously been shown to be expressed in the stomach tissue of Atlantic salmon. In the current study we show that the protein products of these genes, the family 18 glycoside hydrolase (GH18) chitinases, Chia.3, Chia.4 and Chia.7 are secreted into the stomach mucosa and are amongst the most abundant proteins in this matrix.

2022-05-08 | PXD030291 | Pride

Responses of Atlantic salmon to vaccination and challenge with salmon alphavirus (SAV) and Moritella viscosa

Project description:Salmon alphavirus (SAV) and Moritella viscosa causing respectively pancreatic disease and winter ulcer are among the most important pathogens threatening Atlantic salmon aquaculture. Fish is protected by vaccination with different rate of success. Here, responses to vaccination were assessed followed with pathogen challenges of vaccinated salmon and saline injected control.

2021-04-23 | GSE173130 | GEO

single nuclei RNAseq data from Atlantic salmon (Salmo salar) gill

Project description:An snRNAseq analysis of the Atlantic salmon gill to characterise its cellular complexity and development.

2021-02-22 | GSE166686 | GEO

Characterization of Atlantic salmon head kidney extracellular vesicles

Project description:We report the miRNA profile of extracellular vesicles released from Atlantic salmon head kidney white blood cells that have been cultured for 1 day or 5 days.

2020-10-26 | GSE143360 | GEO

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