Environmental Hypertonicity Causes Induction of Gluconeogenesis in the Air-Breathing Singhi Catfish, Heteropneustes fossilis
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Environmental Hypertonicity Causes Induction of Gluconeogenesis in the Air-Breathing Singhi Catfish, Heteropneustes fossilis
The air-breathing singhi catfish (Heteropneustes fossilis) is frequently being challenged by different environmental insults such as hyper-ammonia, dehydration and osmotic stresses in their natural habitats throughout the year. The present study investigated the effect of hyperosmotic stress, due to exposure to hypertonic environment (300 mM mannitol) for 14 days, on gluconeogenesis in this cat...
متن کاملGas exchange with air and water in an air-breathing catfish, Saccobranchus (Heteropneustes) fossilis.
Recent studies on air-breathing fish have shown that different species are adapted in varying degrees for gaseous exchange in both water and air. In the lungfishes these differences are correlated with different degrees of development of the gills, the efficiency of the lung in gas exchange, and the respiratory properties of the blood (Lenfant, Johansen & Grigg, 1966; Johansen & Lenfant, 1967, ...
متن کاملToxic impact of lethal concentration of lead nitrate on the gills of air-breathing catfish Heteropneustes fossilis (Bloch)
Toxicopathological impact of lethal concentration (925 mg/l) of lead nitrate on the gills of air-breathing catfish Heteropneustes fossilis was analysed. Following exposure the gills exhibited rapid alterations that include detachment and lifting of the epithelial linings from the surfaces of the gill filament (primary, PL) and respiratory (secondary, SL) lamellae. This led to extensive haemorrh...
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As far as the detection of metal genotoxicity in fish is concerned, micronucleus (MN) test is considered an extremely suitable measure. In this study, frequencies of micronucleated erythrocytes were scored in peripheral blood of catfish, Heteropneustes fossilis (bloch) after acute in-vivo exposure of zinc at different concentrations (5, 10 and 30 ppm) in the laboratory condition. These three co...
متن کاملDistribution Pattern of Acetylcholinesterase in the Caudal Rhombencephalic Nuclei of an air breathing Teleost, Heteropneustes fossilis
Teleosts which represent the most prominent and diversified group among actinopterygians, are interesting in many features particularly in their complex nervous system in terms of cytoarchitecture, hodology and number of neurons. Present study has been carried out to histoenzymologically map the caudal rhombencephalic nuclei of Heteropneustis fossilis by employing a modified histochemical techn...
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ژورنال
عنوان ژورنال: PLoS ONE
سال: 2013
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0085535