Salinity influence on growth, osmoregulation and energy turnover in juvenile pompano Trachinotus marginatus Cuvier 1832

Anni, Iuri Salim Abou; Bianchini, Adalto; Barcarolli, Indianara Fernanda; Varela, Antônio Sérgio; Robaldo, Ricardo Berteaux; Tesser, Marcelo Borges; Sampaio, Luís André

doi:10.1016/j.aquaculture.2016.01.010

Cited by 56 publications

(19 citation statements)

References 62 publications

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“…Recent studies on the effect of salinity on fish have focused on examining how salinity affects the growth, mortality, health condition, and osmotic stress of fish farm [9,13,14,22,45,46] and hatching eggs [47]. This type of research is necessary because it might help to properly choose salt concentrations and times of exposition of fish to keep them healthy during farming.…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, pike might be a good candidate for experiments on the temporary prophylactic addition of NaCl to tanks, especially at the beginning of the juvenile stage, when the morbidity and mortality are highest. However, although there have been some studies on the effect of salinity on freshwater and marine fish [22][23][24], including pike [17][18][19], the studies on pike have focused in physiological changes (body weight and length, immune indicators, and cortisol level). It would be interesting to study how the microbiome can change under the influence of salinity levels that freshwater fish can tolerate.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Salinity on the Gut Microbiome of Pike Fry (Esox lucius)

et al. 2020

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The increasing popularity of pike in angling and fish farming has created a need to increase pike production. However, intensive pike farming is subject to limitations due to diseases and pathogens. Sodium chloride (NaCl) could be a good alternative to chemotherapeutics, especially for protecting the fish against pathogens and parasites at early life stages. However, the impact of high salinity on the symbiotic bacteria inhabiting freshwater fish is still unclear. Therefore, our objective was to analyze the gut microbiome to find possible changes caused by salinity. In this study, the influence of 3‰ and 7‰ salinity on pike fry was investigated. High-throughput 16S rRNA gene amplicon sequencing was used to profile the gut microbiome of the fish. It was found that salinity had a statistically significant influence on pike fry mortality. Mortality was highest in the 7‰ salinity group and lowest in the 3‰ group. Microbiological analysis indicated that Proteobacteria and Actinobacteria predominated in the pike gut microbiome in all examined groups, followed by lower percentages of Bacteroidetes and Firmicutes. There were no statistically significant differences in the percent abundance of bacterial taxa between the control group and groups with a higher salinity. Our results suggest that salinity influences the gut microbiome structure in pike fry, and that 3‰ salinity may be a good solution for culturing pike at this stage in their development.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Salinity on the Gut Microbiome of Pike Fry (Esox lucius)

et al. 2020

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“…A previous study reported no significant difference in the plasma osmotic pressure of juvenile Trachinotus marginatus as the salinity increased. After 15 days of culture, no significant effects on its growth were observed, and the osmotic pressure at the isotonic point was 357.5 mOsm/kg H 2 O, which is equivalent to 13.1 g/L environmental salinity (Abou Anni et al., ). In another study, after 16 days of salinity acclimation, the plasma osmolality of Galaxias maculatus showed only slight changes and did not affect the metabolic rate, suggesting that G. maculatus may have high salinity tolerance (Urbina & Glover, ).…”

Section: Discussionmentioning

confidence: 99%

Effects of salinity acclimation on the growth performance, osmoregulation and energy metabolism of the oriental river prawn, Macrobrachium nipponense (De Haan)

Huang

Zhang

et al. 2018

Aquac Res

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In this study, we evaluated the growth, osmoregulation and energy metabolism of the oriental river prawn, Macrobrachium nipponense, reared during 6 weeks with different salinities (0, 8, 14 and 22 g/L). The results showed that the haemolymph osmolality of M. nipponense increased with an increase in ambient osmotic pressure; the isosmotic point was 490 mOs/kg H 2 O. The prawns showed a higher survival rate, weight gain rate and hepatopancreas index in salinity 14 g/L. Digestive enzymes were all affected by salinity, and the highest activities were observed in the salinity 14 g/L. The mRNA expression of Na + -K + -ATPase in gills and p53 in hepatopancreas were the highest in salinity 22 g/L. The expressions of heat shock protein 90 and glutathione S-transferase genes in hepatopancreas were significantly higher in the salinity 8 g/L. Lipid metabolism-related genes in hepatopancreas were significantly expressed in the salinity 14 g/L. The glucose-6-phosphatase gene in hepatopancreas was highly expressed in the salinity 8 and 22 g/L, and the expression of the ecdysone receptor gene in hepatopancreas was significantly higher in the salinity 14 g/L. The results showed that salinity 14 g/L could promote the growth of M. nipponense. However, higher salinity conditions may cause physiological damage, which provides a theoretical basis for brackish water culture of M. nipponense. K E Y W O R D Senergy metabolism, growth, Macrobrachium nipponense, osmotic pressure, salinity

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“…As good indicators for assessing the energy utilization, oxygen consumption and respiratory quotients of shrimp at 3‰ were significantly higher than those of shrimp at 17 and 32‰ salinity (Li et al, 2007). Similarly, higher oxygen consumption was needed in juvenile pompanos reared at 3‰ salinity than for those cultured in the other experimental salinities (6, 12, and 32‰) (Abou Anni et al, 2016). TG is a major class of neutral lipid used for energy storage (Liu et al, 2019), and the increase in TG synthesis was expected.…”

Section: Discussionmentioning

confidence: 93%

Growth and Lipidomic Responses of Juvenile Pacific White Shrimp Litopenaeus vannamei to Low Salinity

et al. 2019

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The Pacific white shrimp ( Litopenaeus vannamei ), a euryhaline penaeid species, can tolerate a wide range of salinities, but little is known on its strategies to cope with low salinity fluctuations from the aspect of lipidomics. Thus, in this study, L. vannamei were grown in two different salinities [3 and 30‰ (control)] for 8 weeks, and then an liquid chromatography (LC)–mass spectrometry (MS)-based lipidomics analysis was performed to reveal the lipid profile differences in gill and muscle. L. vannamei under low salinity had lower weight gain and condition factor than the control shrimp at 30‰, but no differences were found in survival and hepatopancreas index. A higher number of differential lipid metabolites were identified in gill than in muscle in L. vannamei at salinity 3‰ relative to the control shrimp at salinity of 30‰ (159 versus 37), which belonged to 11 and 6 lipids classes, respectively. Of these lipids, phosphatidylcholine (PC), phosphatidylinositol (PI), phosphatidic acid (PA), phosphatidylethanolamine (PE), and triglyceride (TG) were the main lipids in both shrimp gill and muscle, regardless of salinities. Compared with the control shrimp at salinity 30‰, the percentage of PC significantly reduced, but TG and PA significantly increased in gill of shrimp at salinity 3‰. Moreover, the relative fatty acid abundances showed significant changes in L. vannamei between the two salinity groups, but the patterns of the changes were complex and were fatty acid dependent. Neither lipid nor fatty acid composition in muscle was affected by salinity. Further pathway analysis showed that these metabolites were closely related to lipid and fatty acid metabolic pathways. All the findings in this study reveal that the lipid variations are closely related to bio-membrane structure, mitochondrial function, energy supply, or organic osmolyte contents in hemolymph for improving osmoregulatory capacity of L. vannamei under low salinity.

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Salinity influence on growth, osmoregulation and energy turnover in juvenile pompano Trachinotus marginatus Cuvier 1832

Cited by 56 publications

References 62 publications

Effect of Salinity on the Gut Microbiome of Pike Fry (Esox lucius)

Effect of Salinity on the Gut Microbiome of Pike Fry (Esox lucius)

Effects of salinity acclimation on the growth performance, osmoregulation and energy metabolism of the oriental river prawn, Macrobrachium nipponense (De Haan)

Growth and Lipidomic Responses of Juvenile Pacific White Shrimp Litopenaeus vannamei to Low Salinity

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