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ABSTRACT: Establishment of a genetically amenable fibroblast cell line from Atlantic Salmon skin

PROVIDER: PRJEB79224 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR13511865_1.fastq.gz	Fastqsanger.gz
	ERR13511865_2.fastq.gz	Fastqsanger.gz
	ERR13511866_1.fastq.gz	Fastqsanger.gz
	ERR13511866_2.fastq.gz	Fastqsanger.gz
	ERR13511867_1.fastq.gz	Fastqsanger.gz

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Molecular characterisation of the Atlantic salmon gill epithelial cell line ASG-10

Project description:Fish gills are not only the respiratory organ, but also essential for ion-regulation, acid-base control, detoxification, waste excretion and host defense. Multifactorial gill diseases are common in farmed Atlantic salmon, and still poorly understood. Understanding gill pathophysiology is of paramount importance, but the sacrifice of large numbers of experimental animals for this purpose should be avoided. Therefore, in vitro models, such as cell lines, are urgently required to replace fish trials. An Atlantic salmon gill epithelial cell line, ASG-10, was established at the Norwegian Veterinary institute in 2018. This cell line forms a monolayer expressing cytokeratin, e-cadherin and desmosomes, hallmarks of a functional epithelial barrier. To determine the value of ASG-10 for comparative studies of gill functions, the characterization of ASG-10 was taken one step further by performing functional assays and comparing the cell proteome and transcriptome with those of gills from juvenile freshwater Atlantic salmon. The ASG-10 cell line appear to be a homogenous cell line consisting of epithelial cells, which express tight junction proteins. We demonstrated that ASG-10 forms a barrier, both alone and in co-culture with the Atlantic salmon gill fibroblast cell line ASG- 13. ASG-10 cells can phagocytose and express several ATP-binding cassette transport proteins. Additionally, ASG-10 expresses genes involved in biotransformation of xenobiotics and immune responses. Taken together, this study provides an overview of functions that can be studied using ASG-10, which will be an important contribution to in vitro gill epithelial research of Atlantic salmon.

2024-01-26 | PXD044533 | Pride

Transcriptomic characterisation of transitioning cell types in the skin of Atlantic salmon

Project description:Background The skin maintains the body’s integrity and serves as the first line of defence against pathogens, stressors and mechanical injuries. Despite the global significance of salmon in aquaculture, how cells transcriptomic profile varies during wound healing, remains unexplored. Teleost contain adult pluripotent cells that differentiate into various tissues, including bone, cartilage, tendon, ligament, adipose, dermis, muscle and connective tissue within the skin. These cells are pivotal for preserving the integrity of skin tissue throughout an organism´s lifespan and actively participate in the wound healing processes. In this study, we characterise the transcriptomic profiles of putative mesenchymal stromal cells (fibroblast-like adult stem cells) in healthy Atlantic salmon tissue and during the wound healing process. Results Single-nucleus sequencing and spatial transcriptomics were used to detect transcriptomic changes occurring during wound healing that are commonly associated with mesenchymal stromal cells. We followed the transcriptomic activity of these cells during an in vivo wound healing time course study showing that these cells become more transcriptionally active during the remodelling stage of wound healing. The changes detected give insights into the potential differentiation pathways leading to osteogenic and fibroblast lineages in the skin of Atlantic salmon. Conclusions We chart the transcriptomic activity of sub-clusters of putative differentiating stromal cells during the process of wound healing for the first time, revealing different spatial niches of the various putative MSC subclusters, and setting the stage for further investigation of the manipulation of transitioning cell types to improve fish health. KEYWORDS: Salmo salar, skin, mesenchymal stromal cells, single-cell sequencing, spatial transcriptomics, wound healing, spatial niche.

2025-01-15 | GSE287051 | 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

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

The farmed Atlantic salmon (Salmo salar) skin-mucus proteome

Project description:Norway is the largest producer and exporter of farmed Atlantic salmon (Salmo salar) worldwide. Skin disorders correlated with bacterial infections represent an important challenge for fish farmers due to the economic losses caused. Little is known about this topic, thus studying the skin-mucus of Salmo salar and its bacterial community depict a step forward in understanding fish welfare in aquaculture. In this study, we used label free quantitative mass spectrometry to investigate the skin-mucus proteins associated with both Atlantic salmon and bacteria. In addition, the microbial temporal proteome dynamics during 9 days of mucus incubation with sterilized seawater was investigated, in order to evaluate their capacity to utilize mucus components for growth in this environment.

2019-07-15 | PXD008838 | Pride

Comparative transcriptomics of Atlantic Salmo salar, chum Onchorhynchus keta and pink salmon O. gorbuscha responding to salmon lice Lepeophtheirus salmonis infections

Project description:The present work characterizes the response of co-habited Atlantic (Salmo salar), chum (Oncorhynchus keta) and pink salmon (Oncorhynchus gorbuscha) to sea lice infections. Atlantic and pink salmon anterior kidney samples were profiled at three time points over nine days after the start of an experimental infection. Chum salmon anterior kidney was profiled at day six post infection only. All three species were also profiled at six days post exposure for skin responses of the pectoral fin, typically associated with lice infection.

2014-02-24 | GSE48337 | GEO

De Novo assembly and transcriptome analysis of Atlantic salmon macrophage/dendritic-like TO cells following type I IFN treatment and Salmonid alphavirus subtype-3 infection

Project description:We used RNA-seq to characterize the transcriptomic changes induced by type I IFN treatment and salmon alphavirus subtype 3 (SAV-3) infection in TO-cells, a macrophage/dendritic like cell-line derived from Atlantic salmon (Salmo salar L) head kidney leukocytes.

2014-12-31 | GSE64095 | GEO

Responses to Moritella viscosa in skin and spleen of Atlantic salmon

Project description:Bacterial pathogen Moritella viscosa, the causative agent of winter ulcer, causes heavy losses in Atlantic salmon aquaculture. The study compared responses in salmon reared under normal condition (G100) and fish exposed to hypoxia - 60% saturation of dissolved oxygen - at early life (G60). G60 showed lower survival after challenge. Analyses were performed in the most affected tissues: skin and spleen

2021-04-09 | GSE171693 | GEO

Skin responses in Atlantic salmon post-smolts during exposure to Tenacibaculum finnmarkense

Project description:Tenacibaculum finnmarkense is a novel Gram-negative, aerobic bacterial strain causing skin ulcers in Atlantic salmon. This is an emerging pathogen, which may cause serious problems to aquaculture. The study was designed to compare the life stages (smolt and posmolt) and to assess effects of environment (fresh and brackis water) on the course of disease and salmon responses to the pathogen.

2021-04-09 | GSE171699 | GEO

Interacting effects of sea louse (Lepeophtheirus salmonis) infection and formalin-killed Aeromonas salmonicida in Atlantic salmon skin transcriptome

Project description:Lepeophtheirus salmonis (sea lice) and bacterial co-infection threatens wild and farmed Atlantic salmon performance and welfare. The present microarray-based study examined the dorsal skin transcriptome response to formalin-killed Aeromonas salmonicida bacterin (ASAL) in pre-adult sea lice-infected and non-infected Atlantic salmon to fill the existing knowledge gap and aid in developing anti-co-infection strategies. To this aim, sea lice-infected and non-infected salmon were intraperitoneally injected with either phosphate-buffered saline (PBS) or ASAL (i.e., 4 injection/infection groups: PBS/no lice, PBS/lice, ASAL/no lice, and ASAL/lice). The analysis of the dorsal skin transcriptome data [Significance Analysis of Microarrays (5% FDR)] identified 345 up-regulated and 2,189 down-regulated DEPs in the comparison PBS/lice vs. PBS/no lice, and 82 up-regulated and 3 down-regulated DEPs in the comparison ASAL/lice vs. ASAL/no lice. The comparison ASAL/lice vs. PBS/lice identified 272 up-regulated and 11 down-regulated DEPs, whereas ASAL/no lice vs. PBS/no lice revealed 27 up-regulated DEPs. The skin transcriptome differences between the co-stimulated salmon (i.e., ASAL/lice) and PBS/no lice salmon accounted for 1,878 up-regulated and 3,120 down-regulated DEPs.

2022-02-28 | GSE186292 | GEO

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