Influence of extreme ambient cold stress on growth, hematological, antioxidants, and immune responses in European seabass, Dicentrarchus labrax acclimatized at different salinities

Islam, Jakiul; Slater, Matthew James; Thiele, Rajko; Kunzmann, Andreas

doi:10.1016/j.ecolind.2020.107280

Cited by 17 publications

(3 citation statements)

References 172 publications

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“…Furthermore, when the clam Mactra veneriformis was exposed to Cd and Hg for 5 and 7 days, LSZ expression levels increased 115 . On the other hand, in the study of Jakiul Islam et al 118 on the European seabass, Dicentrarchus labrax , they found an increase in LSZ expression levels during extreme cold events at various salinities. Here, we discovered that LSZ expression was up-regulated in crayfish hemocytes under Cd stress.…”

Section: Discussionmentioning

confidence: 87%

Saccharomyces cerevisiae additions normalized hemocyte differential genes expression and regulated crayfish (Procambarus clarkii) oxidative damage under cadmium stress

Yang,

Li,

Zhu

et al. 2023

Sci Rep

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Because China produces the most crayfish in the world, safe solutions must be improved to mitigate the risks of ongoing heavy metal stressors accumulation. This study aimed to use Saccharomyces cerevisiae as a bioremediation agent to counteract the harmful effect of cadmium (Cd) on crayfish (Procambarus clarkia). Our study used three concentrations of S. cerevisiae on crayfish feed to assess their Cd toxicity remediation effect by measuring total antioxidant capacity (TAC) and the biomarkers related to oxidative stress like malondialdehyde (MDA), protein carbonyl derivates (PCO), and DNA–protein crosslink (DPC). A graphite furnace atomic absorption spectroscopy device was used to determine Cd contents in crayfish. Furthermore, the mRNA expression levels of lysozyme (LSZ), metallothionein (MT), and prophenoloxidase (proPO) were evaluated before and following the addition of S. cerevisiae. The results indicated that S. cerevisae at 5% supplemented in fundamental feed exhibited the best removal effect, and Cd removal rates at days 4th, 8th, 12th, and 21st were 12, 19, 29.7, and 66.45%, respectively, which were significantly higher than the basal diet of crayfish. The addition of S. cerevisiae increased TAC levels. On the other hand, it decreased MDA, PCO, and DPC, which had risen due to Cd exposure. Furthermore, it increased the expression of proPO, which was reduced by Cd exposure, and decreased the expression of LSZ and MT, acting in the opposite direction of Cd exposure alone. These findings demonstrated that feeding S. cerevisiae effectively reduces the Cd from crayfish and could be used to develop Cd-free crayfish-based foods.

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Section: Discussionmentioning

confidence: 87%

Saccharomyces cerevisiae additions normalized hemocyte differential genes expression and regulated crayfish (Procambarus clarkii) oxidative damage under cadmium stress

Yang,

Li,

Zhu

et al. 2023

Sci Rep

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“…We could attribute the statistically significant increase in this hematological parameter in subadults and adults ( p < 0.05) to the increase in the percentage of dissolved oxygen saturation of farm sea water ( p < 0.001), inside the cages, after changing their nets. Previous studies carried out on the same fish species have shown that the increase in the haematocrit percentages and therefore of hemoglobin concentration is positively correlated with the increase in the number and volume of red blood cells in sea bass, which indicates the improvement in osmosis and the maintenance of normal serum concentrations of osmotic ions (Na + , Cl − , and K + ) after the change of cage nets and vice versa (Islam, Slater, Thiele, & Kunzmann, 2021c; Montgomery et al, 2022). It could be added that the increase in the number of red blood cells in the bloodstream of fish attributed to the high percentage of haematocrits in both age groups is probably due to the overexpression of hemoglobin–oxygen binding genes at the level of head‐kidney and spleen (Cadiz et al, 2017), and/or of the activation of the adrenergic response of the cardiovascular system of these fish, by stimulating the Na + /H + β‐adrenergic exchanger of sea bass erythrocytes and contracting their spleen (Montgomery et al, 2022), after the secretion of the cortisol hormone (Lawrence et al, 2019) after this aquaculture operation, to increase the branchial and cutaneous consumption of dissolved oxygen and to increase their contribution to the blood and therefore to the tissues.…”

Section: Discussionmentioning

confidence: 84%

Physiological stress responses of European sea bass Dicentrarchus labrax related to changing operations of floating net cages in intensive farming conditions at the Moroccan M'diq Bay

Cheyadmi

Chadli²,

Yamlahi

et al. 2023

Journal of Fish Biology

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The present study purposed to quantify and compare in‐situ the primary and secondary physiological stress responses, related to the operation of floating net‐cages changing, in both sub‐adults (523 days post hatching) and adults (916 dph) European sea bass Dicentrarchus labrax, under intensive farming conditions in the Moroccan M'diq Bay. Levels of cortisol, glucose, total cholesterol, total protein and lactate, as well as the percentage of hematocrit were measured before and after stress. The results showed significantly elevated levels of cortisol and blood glucose in both age groups, while total cholesterol and protein levels were unaffected. In fact, blood lactate was significantly reduced in sub‐adults, while in adults this parameter was not affected by the operation. However, the hematocrit percentages measured after the operation were significantly higher than those found before the operation in both groups of fish, which is linked to the increased rate of oxygen renewal by the new net cages and the lower water temperature inside the cages. With regard to the age‐specific response during this essential operation ‐ before and after the operation ‐ plasma cortisol, blood glucose and lactate concentrations, as well as plasma total protein levels, were significantly higher in sub‐adults than in adults. It is concluded that aquaculture practices such as changing the aquaculture net‐cage could have repercussions in terms of the classic physiological responses to stress in D. labrax.This article is protected by copyright. All rights reserved.

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“…The increase in serum GOT may indicate liver cell damage in fish, resulting in the release of GOT from liver cells into the blood [19]. Studies in European sea bass [20], Yellowfin seabream (Acanthopagrus latus), and Asian sea bass (Lates calcarifer) [2] have shown that salinity stress can lead to increased CAT and SOD activity in the liver. However, in this experiment, there was no significant change in SOD in liver tissue samples from each group, while CAT activity increased significantly in the high-salinity group.…”

Section: Biochemical Indicatorsmentioning

confidence: 99%

Effects of Low-Salinity Environments on Growth, Antioxidant Response, and Intestinal Microorganisms of the Largemouth Bass (Micropterus salmoides)

Lei,

Yang,

Guo

et al. 2023

Aquaculture Research

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This research revealed that low-salinity environments have positive effects on largemouth bass (Micropterus salmoides), with the study finding that low-salinity levels can have beneficial impacts on this species. A 8-week experiment was conducted using four salinity gradients S0, S1, S2, S3 (0, 2, 4, 6 psu), and biochemical indicators and 16S rRNA sequencing were analyzed. Results showed relatively good growth performance at S0 and S1, and no significant antioxidant stress response at S3. Na+–K+–ATPase activity was significantly lower in the S2 group. The diversity showed no significant differences between the treatment groups. However, with increasing salinity, the proportion of potentially pathogenic bacteria in freshwater decreased significantly while that in the seawater increased. Indicator species analysis showed a significantly higher abundance of positive microbial species in the 4 psu group. In conclusion, although growth performance decreased at 4 psu, antioxidant damage was relatively small and disease risk was significantly reduced, indicating a positive effect on the largemouth bass.

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Influence of extreme ambient cold stress on growth, hematological, antioxidants, and immune responses in European seabass, Dicentrarchus labrax acclimatized at different salinities

Cited by 17 publications

References 172 publications

Saccharomyces cerevisiae additions normalized hemocyte differential genes expression and regulated crayfish (Procambarus clarkii) oxidative damage under cadmium stress

Saccharomyces cerevisiae additions normalized hemocyte differential genes expression and regulated crayfish (Procambarus clarkii) oxidative damage under cadmium stress

Physiological stress responses of European sea bass Dicentrarchus labrax related to changing operations of floating net cages in intensive farming conditions at the Moroccan M'diq Bay

Effects of Low-Salinity Environments on Growth, Antioxidant Response, and Intestinal Microorganisms of the Largemouth Bass (Micropterus salmoides)

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