Salinity effects on osmoregulation and gill morphology in juvenile Persian sturgeon (Acipenser persicus)

Shirangi, Seyedeh Ainaz; Kalbassi, Mohammad Reza; Khodabandeh, Saber; Jafarian, H A; Lorin‐Nebel, Catherine; Farcy, Émilie; Lignot, Jehan‐Hervé

doi:10.1007/s10695-016-0254-y

Cited by 17 publications

(13 citation statements)

References 47 publications

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“…In the first 8 h, T. ovatus was clearly in crisis, especially in the 0‰ group, with zero survival rate. Upon incurring hypertonic salinity stress, the serum osmolality and Na + and Cl − concentrations of T. ovatus did not increase as previously reported (Allen et al, 2015;Lin and Lee, 2016;Shirangi et al, 2016). Instead, they followed a pattern similar to that when transferred to hypotonic stress.…”

Section: Discussionsupporting

confidence: 77%

“…Some teleosts species showed upregulation in NKA activity when acclimated to hypoosmotic conditions (Lin et al, 2003;Hu et al, 2017). In contrast to these cases, several teleost fishes responded to salinity challenges with higher NKA activities under hypertonic conditions, such as G. maculatus (Urbina et al, 2013), Etroplus suratensis (Chandrasekar et al, 2014), A. persicus (Shirangi et al, 2016) and Tetraodon nigroviridis (Lin and Lee, 2016). In our study, gill NKA activity of T. ovatus was affected after acute stress.…”

Section: Discussionmentioning

confidence: 99%

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Physiological and molecular responses of golden pompano Trachinotus ovatus subjected to the acute salinity stress

Zhang¹,

Liu

Zhao

et al. 2020

Israeli Journal of Aquaculture - Bamidgeh

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Golden pompano (Trachinotus ovatus) is a commercially important marine fish and is widely cultured in the coastal area of South China. Salinity is one of the most important environmental factors influencing aquatic organisms. In this study, T. ovatus was subjected to the acute salinity stress treatments using four salinity levels of 0‰, 10‰, 20‰, and 40‰ to investigate its physiological and molecular responses. Our results revealed that serum osmolality, Na + , and Clconcentrations showed a similar decreasing trend after salinity stress at the first 2 h and then increased after 8 h. In particular, the Na + /K + -ATPase alpha 1-isoform (Tonka α1) rapidly responded to changes in salinity levels. In the gills, the expression of Tonka α1 was markedly upregulated at 2 h in all the experimental groups (0‰, 10‰, 20‰, and 40‰). In the kidney, Tonka α1 expression in these experimental groups tended first to increase but then decreased, with its values peaking at 2 h, 4 h, and 8 h, respectively. In the intestine, Tonka α1 responded rapidly to salinity changes and then changed dramatically within 4 h under salinity stress. The Na + /K + -ATPase activity was also affected by the acute salinity stress, and it was higher in the 10‰ and 40‰ groups than in the control group (0 h). Interestingly, Na + /K + -ATPase activity was lowest in the 20‰ group. Our results show the various physiological response of T. ovatus under acute salinity stress and demonstrate that under such conditions, Na + /K + -ATPase is primarily involved in the osmoregulation required to maintain homeostasis in this species. changes in concentrations of sodium (Na + ), chloride (Cl-), potassium (K + ), and serum osmolality (Shui et al., 2018). Salinity changes also has a direct influence on hematological and biochemical variables, such as growth hormone, cortisol and thyroxine, which provides essential information regarding clinical status and energy of fish (Arnason et al., 2013).Osmoregulation is the main process by which aquatic animals respond to changes in salinity, especially in fish . Osmolality increases with increased salinity during the adaptation (Schmitz et al., 2017). Euryhaline teleost fishes regulate and maintain their plasma ionic composition and osmotic concentration following changes in the environmental salinity (Yamaguchi et al., 2018). In a hypotonic environment, to maintain ionic homeostasis, teleosts absorb ions through the gills and intestine and excrete excess water, and filter solute to form diluted urine through renal reabsorption. In contrast, in hypertonic environments, teleosts passively lose water and gain excess ions. Therefore, teleosts actively secrete ions and drinking water to maintain homeostasis (Urbina et al., 2013). However, the acclimation to changing environmental salinity is a complex process involved a set of physiological and molecular responses based on the function of several osmoregulatory organs (e.g., gills, kidney and intestine), such as active ion transport of concentration gradients using various molecular ...

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Section: Discussionsupporting

confidence: 77%

Section: Discussionmentioning

confidence: 99%

Physiological and molecular responses of golden pompano Trachinotus ovatus subjected to the acute salinity stress

Zhang¹,

Liu

Zhao

et al. 2020

Israeli Journal of Aquaculture - Bamidgeh

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“…Gill sections were photographed and measurements were taken using the freeware Image J (http://rsbweb.nih.gov/ij/). The number of ionocytes per 100 μm 2 filament and the size of 10 ionocytes per section (μm 2 ) were calculated (only ionocytes sectioned through their nucleus were considered) (Khodabandeh et al, 2009a;Shirangi et al, 2016).…”

Section: Laboratory Analysismentioning

confidence: 99%

“…NKA immunolocalisation is a method that has been successfully used for the detection of ionocytes in the gill of several fish species such as seabass Dicentrarchus labrax (Varsamos et al, 2002;Nebel et al, 2005), salmonids, Salvelinus namaycush, Salvelinus fontinalis and Salmo salar (Hiroi and McCormick, 2007), grey mullet, Liza aurata (Khodabandeh et al, 2009a), Persian sturgeon, Acipenser persicus (Khodabandeh et al, 2009b;Shirangi et al, 2016) and Caspian trout, Salmo trutta caspicus (Rajabi and Khodabandeh, 2013). In some teleost species like chum salmon, Oncorhynchus keta (Uchida et al, 1996), American shad, Alosa sapidissimo (Zydlewski and McCormick, 2001), brown trout, Salmo trutta (Seidelin et al, 2000), Atlantic salmon, Salmo salar (Pelis and McCormick, 2001), seabass, Dicentrarchus labrax (Nebel et al, 2005), euryhaline milkfish, Chanos chanos (Lin et al, 2006) and silver moony, Monodactylus argenteus (Kang et al, 2012), the number as well as size of branchial (gill) ionocytes and their location on filaments/lamellae are subject to change following transfer to different salinities.…”

Section: Introductionmentioning

confidence: 99%

Comparative analysis of branchial ionocytes in Caspian Sea zander, Sander lucioperca (Linnaeus, 1758) using Na+, K+-ATPase immunolocalisation at different salinities

et al. 2016

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Gill morphology and branchial ionocyte variability were examined in zander Sander lucioperca (Linnaeus, 1758) fingerlings, having two different body weights (1 and 2 g) for a period of ten days following their transfer from freshwater to two different salinities (7 and 12‰ Caspian Sea water) using Na + , K + -ATPase (NKA) immunolocalisation. Survival rates and plasma osmolarity levels at the end of each salinity challenge were measured. By the end of the experiment, both weight groups were able to survive and successfully acclimate to salinity change. The number and size of branchial ionocytes in the gills dramatically decreased in both size groups; while, the filament ionocytes in both weight groups reformed at the end of the acclimation period. The results indicated both groups to be in the same osmoregulatory developmental stage, despite difference in their body weight. Also, their blood osmotic pressure and gill ionocyte changes at different salinity were similar when transferred to iso-osmotic condition. Further studies are needed for complete understanding of zander osmoregulatory systems exposed to different salinities.

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“…Hematocrit , cobia hematocrit (Denson et al, 2003). Shirangi et al (2016) Persian sturgeon hematocrit ,…”

Section: Rbcmentioning

confidence: 99%

Alterations of Hematological Parameters, Plasma Constituents and Antioxidant Responses in the Sablefish Anoplopoma fimbria Depending on Salinity

Kim¹,

Park²,

Hwang³

et al. 2016

Korean Journal of Fisheries and Aquatic Sciences

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Juvenile Anoplopoma fimbria (mean length 15.6±1.4 cm, mean weight 68.7±4.3 g) were exposed to 4 months with the different levels of salinity [100 (35.0), 90 (31.5), 80 (28.0), 70 (24.5), 60 (21.0), 50 (17.5), and 40 (14.0) % (psu)] for 4 months. Hematological parameters such as red blood cell (RBC) counts, hematocrit (Ht), and hemoglobin (Hb) concentrations were substantially decreased under salinities of 50% psu or lower. Of the measured inorganic plasma constituents, magnesium was notably decreased, whereas there was no effect on calcium. Among organic plasma components, glucose and cholesterol were significantly increased, and total protein was decreased. Among enzyme plasma components, glutamic oxalate transaminase (GOT), glutamic pyruvate transaminase (GPT), and alkaline phosphatase (ALP) were significantly increased under salinities of 50% psu or lower. Antioxidant responses such as glutathione S-transferase (GST) and glutathione (GSH) were significantly decreased at salinities of 50% psu or lower. The results of this study indicate that salinity affects the blood parameters, plasma constituents, and antioxidant responses of A. fimbria.

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Salinity effects on osmoregulation and gill morphology in juvenile Persian sturgeon (Acipenser persicus)

Cited by 17 publications

References 47 publications

Physiological and molecular responses of golden pompano Trachinotus ovatus subjected to the acute salinity stress

Physiological and molecular responses of golden pompano Trachinotus ovatus subjected to the acute salinity stress

Comparative analysis of branchial ionocytes in Caspian Sea zander, Sander lucioperca (Linnaeus, 1758) using Na+, K+-ATPase immunolocalisation at different salinities

Alterations of Hematological Parameters, Plasma Constituents and Antioxidant Responses in the Sablefish Anoplopoma fimbria Depending on Salinity

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