Alterations in plasma electrolyte levels of a freshwater fish<i>Cyprinus carpio</i>exposed to acidic pH

Ramesh, Mathan; Kurunthachalam, Senthil Kumar; priya, M. Indu

doi:10.1080/02772240902810419

Cited by 16 publications

(6 citation statements)

References 29 publications

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“…The impairment of osmoregulatory mechanisms by ammonia may be associated with the inhibition of ATPase activity (Wang, Wang, Wang, Shang, Liu & Suna ). In freshwater organisms, the enzyme Na + /K + ‐ATPase located at the basolateral membrane of gill epithelial cells plays a major role in the maintenance of ion balance and subsequent osmoregulation (Mathan, Kurunthachalam & Priya ). To maintain ammonia homeostasis Na + /K + ‐ATPase activity may engage the exchange of sodium from the water for ammonia in the fish (Randall & Tsui ; Alam & Frankel ).…”

Section: Resultsmentioning

confidence: 99%

Effect of ammonia on the electrolyte status of an Indian major carp Catla catla

2012

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Ammonia is present in the aquatic environment due to agricultural runoff, sewage effluents and decomposition of biological waste. High level of ammonium in the aquatic environment or in aquaculture farms is a serious problem for aquatic organisms. In the present investigation, the sublethal effects of total ammonia nitrogen (TAN) at 9.98 mg L À1 on plasma electrolytes (Na + , K + and Cl À ) level of Indian major carp Catla catla fingerlings was studied for a period of 35 days under semistatic conditions. Exposure of fish to sublethal concentration of TAN at 9.98 mg L À1 caused changes in the levels of plasma electrolytes (Na + , K + and Cl À ) compared with control fish. No mortality was observed in any group during the treatment period. The present study reveals that the levels of plasma sodium and potassium (except on 7th day) electrolytes were significantly (P < 0.05) decreased throughout the study period. However, the decrease in plasma chloride level was found to be not significant when compared with control group. The present study concludes that the measurements of plasma electrolytes levels can be used as potential biomarkers for monitoring nitrogenous chemicals in aquatic environment.

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Section: Resultsmentioning

confidence: 99%

Effect of ammonia on the electrolyte status of an Indian major carp Catla catla

2012

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“…In addition, high H + disrupt the tight junctions of gill epithelia causing greater ionic loss by paracelullar route (KUMAI et al, 2011;KWONG & PERRY, 2013), and the net H + excretion by the H + -ATPase observed in neutral waters is reduced (BRIX et al, 2013). Higher plasma K+ levels after exposure to acidic pH (pH 5.0) was also observed in common carp (MATHAN et al, 2010). These authors supposed that this elevation is due to intracellular K + release from muscles as H + enters.…”

Section: Discussionmentioning

confidence: 97%

Dietary protein levels in Piaractus brachypomus submitted to extremely acidic or alkaline pH

et al. 2014

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The objective this study was to evaluate the effects of dietary protein levels in pirapitinga, Piaractus brachypomus, submited to extremely acidic or alkaline pH. Juveniles were fed for 20 days with three diets with different crude protein (CP) levels (25.3, 32.4 and 40.0%) and then separated in five groups (n=10, three replicates each) which were kept in 60 L aquaria and exposed to pH 3.0, 3.5, 7.0, 10, or 10.5. Fish were removed from aquaria when they showed loss of swimming balance, and then blood was collected and plasma separated for measurement of Na+, Cl- and K+ levels. The increase of dietary protein levels (up to 40.0% CP) provided some protection for pirapitinga at pH 3.5 or 10.0 because the time to lose equilibrium increased after acute exposure, but was not effective for compensating ion loss at very acidic (Na+ and Cl-) and alkaline (Cl-) pH.

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“…The effects of toxicants on osmotic and ionic regulation have been calculated by means of measuring concentrations of individual ions and total osmolarity in fish plasma (Barcarolli and Martinez, 2004). Mathan et al (2010) reported that alterations in ionic balance may be due to due to stress effects on the ionoregulatory organs. McCarty and Houstan (1976) reported that the decrease in plasma electrolyte levels tend to be associated with increases in tissue concentration, particularly sodium and chloride.…”

Section: Gpt Activity (Iumentioning

confidence: 99%

Toxicity of Neem Leaf Extracts (Azadirachta indica A. Juss) on Some Haematological, Ionoregulatory, Biochemical and Enzymological Parameters of Indian Major Carp, Cirrhinus mrigala

Saravanan

Ramesh

Malarvizhi

et al. 2011

JTFE

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In the present study, the median lethal concentration (LC 50) of neem leaf extract to Cirrhinus mrigala for 24 h was found to be 1.035 g l -l . During the study period, the haematological parameters including Hb, Hct, RBC, MCV, MCH and MCHC levels were significantly decreased in neem leaf extract exposed fish when compared to the control fish whereas WBC count was increased. Similarly, plasma Na + and Cllevels were significantly lower and K + level were significantly higher when compared to the control. In biochemical study, elevated plasma glucose and induced protein levels were noticed. The enzymes, glutamate oxaloacetate transaminase (GOT) and glutamate pyruvate transaminase (GPT) activities were increased significantly in gill, liver and muscle of treated fish compared to that of their control groups. The results of the present investigation suggest that neem leaf extracts affects the hematological, ionoregulatory, biochemical and enzymological parameters of fish and alterations of these parameters can be useful in environmental biomonitoring of neem based products in freshwater environment.

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Alterations in plasma electrolyte levels of a freshwater fishCyprinus carpioexposed to acidic pH

Cited by 16 publications

References 29 publications

Effect of ammonia on the electrolyte status of an Indian major carp Catla catla

Effect of ammonia on the electrolyte status of an Indian major carp Catla catla

Dietary protein levels in Piaractus brachypomus submitted to extremely acidic or alkaline pH

Toxicity of Neem Leaf Extracts (Azadirachta indica A. Juss) on Some Haematological, Ionoregulatory, Biochemical and Enzymological Parameters of Indian Major Carp, Cirrhinus mrigala

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