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Comparison of good and poor swimmers (Atlantic Salmon parr) after a maximum swimming effort

ABSTRACT: Comparison of good and poor swimmers (Atlantic Salmon parr) after a maximum swimming effort

PROVIDER: PRJNA723848 | ENA |

REPOSITORIES: ENA

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Comparison of good and poor swimmers (Atlantic Salmon parr) after a maximum swimming effort

Project description:Swimming performance correlates with fitness of Atlantic salmon in the wild and farm conditions. Variation of this trait in salmon populations is high. The study assessed relationship between two parameters of swimming performance: the ability to cope with moderate and maximum swimming efforts.

2021-04-23 | GSE173119 | GEO

Exercise training effects on disease resistance are dependent on training regimes and inherent swimming performance in Atlantic salmon

2012-06-09 | GSE38603 | GEO

Exercise training effects on disease resistance are dependent on training regimes and inherent swimming performance in Atlantic salmon

Project description:Atlantic salmon juveniles were screened for swimming performance and separated into either poor or good swimmers. After ten weeks of rearing in fresh water, during which both swimming performance groups were part of an exercise training experiment, fish were transferred to seawater and challenged with infectious pancreatic necrosis virus (IPNV) in a co-habitation test. When mortality curve levelled out (45 days post commencement of challenge test), fish that had previously been categorized as good swimmers displayed a significantly higher survival (86.1%) compared to poor swimmers (77.6%). Global gene expression analyses were performed to search for disease resistance correlates. Cardiac ventricle expression of 21 genes was greater in poor swimmers than in good swimmers. These genes were previously classified as virus-responsive genes (VRGs), being reliable markers of viral load. This suggested that inherent swimming performance is associated with higher disease resistance. Atlantic salmon post-smolts belonging to groups previously classified as either poor or good swimmers were challenged with infectious pancreatic necrosis virus (IPNV). Heart ventricle was sampled from challenged and unchallenged fish on day 45 post-commencement of the challenge (when no more mortalities were registered). Nine poor swimmers and nine good swimmers were hybridized against a common reference sample composed of nine unchallenged fish.

2012-06-08 | E-GEOD-38603 | biostudies-arrayexpress

Comparison of precocious and non-precocious salmon brain

Project description:The objective was to compare gene expression in salmon precocious and non-precocious parr brain tissue.

2009-12-31 | GSE16720 | GEO

Gene expression in liver, gill, hypothalamus, pituitary, and olfactory rosettes from Atlantic salmon parr and smolt

Project description:To identify genes involved in the developmental process of Atlantic salmon smoltification, gene expression was compared between smolt and parr in tissues involved in osmoregulation (gill), metabolism (liver), imprinting (olfactory rosettes) and neuroendocrine control (hypothalamus and pituitary). Tissue samples were harvested from laboratory-reared parr and smolts on the same date. Smolts were distinguished from parr by size and appearance; developmental status was confirmed by physiological assays.

2012-08-20 | GSE33711 | GEO

Distinct gene expression profile between ARID1Ahigh and good prognosis and ARID1Alow and poor prognosis groups

Project description:Cancer tissue specimens from ARID1Ahigh and good prognosis and ARID1Alow and poor prognosis of patients with advanced gastric cancer were extracted and analyzed.

2018-02-06 | GSE110078 | GEO

Transcriptome responses of duodenal epithelial cells to endurance swimming in female rats.

Project description:Intestinal calcium absorption is the sole pathway to supply calcium to the body and duodenum is the most efficient site of calcium absorption. Endurance exercise with moderate intensity significantly increased the intestinal calcium absorption. The unloaded non-impact excercise, such as swimming may enhance calcium absorption. However, the cellular and molecular mechanisms of this change have not been investigated. Thus, a genome-wide study by using microarray should reveal changes in the expression of several transporter genes in the intestinal absorptive cells of swimming excercised rats. Keywords: Gene expression; Comparative genomic hybridization Twelve rats were randomly divided into control and swimming groups. Swimming rats were initially trained for a week until they could swim non stop 1 hour/day. Swimming frequency was 5 days/week for 2 weeks. The age-matched control remained sedentary for 2 weeks in a swimming pool. At the end of the swimming protocol, the intestinal segments of rats were removed for total RNA extraction and microarray study.

2010-06-24 | E-GEOD-13499 | biostudies-arrayexpress

Comparison of gene expression in the salmon parr precocious and non-precocious testis

Project description:The objective was to compare gene expression in salmon precocious and non-precocious parr testis tissue.

2009-12-31 | GSE16721 | GEO

Effect of Swimming on gene expression of AOM/DSS induced colitis associated cancer mice

Project description:To investigate the inhibitory function of Swimming in the tumor formation in CAC mice, we established AOM/DSS induced CAC mice in which mice were pretreated with swimming exercise.

2022-07-20 | GSE205173 | GEO

Regulation of the anti-immune response by Chlorella intake during swimming stress in mice

Project description:Chlorella has been used as a food supplement and has been reported to have health benefits. We used the forced swimming test to investigate the influence of Chlorella intake during muscle stress training in mice. Swimming time was about two-fold longer for the Chlorella intake mice than for the control mice. Microarray analysis revealed that the global expression profile of muscle from the Chlorella intake mice was similar to that for intact (nonswimming) mice rather than to that for control swimming mice. By contrast, oxidoreductase activity and the leukotriene synthesis pathway were repressed in Chlorella intake mice. According to measurement of the cytokine activities of primary cultures of spleen, Th1 cytokines, such as interferon-gM-cM-^CM-;and interleukin-2, and granulocyte colony-stimulating factors, such as MIP-1aM-cM-^CM-; GMCSF, and IP-10, were decreased in control swimming mice, but these cytokines were rescued in the Chlorella intake mice. We suggest that the immune response during muscle training can be repressed by intake of Chlorella. The intact (nonswimming) and control (swimming) groups were fed normal food, and the Chlorella intake (swimming) group was fed food including 0.5% Chlorella powder. After 14days, the total RNA was isolated from muscle and samples was pooled for each group (n = 10 for each group).

2011-01-19 | E-GEOD-15798 | biostudies-arrayexpress

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