High environmental hydrogen peroxide (H2O2) has been demonstrated to be toxic for fish. However, the response mechanism of fish chronic H2O2 exposure is not yet well understood. Therefore, this study aimed investigate alteration in ion transport gills and analyzed potential after exposure. The common carps were exposed 0, 0.25, 0.50, 1.00 mM 14 days. histopathological evaluation results indicat...

Euryhaline crustaceans cope with external salinity changes by mechanisms of osmoregulation. In the current study, we first cloned and confirmed ORF sequences ion-transportation-related genes Na+/K+-ATPase ? subunit (NKA?), cytoplasmic carbonic anhydrase (CAc), V-type H+-ATPase G (VHA-G), water channels aquaporins (AQP3, AQP4, AQP11) from kuruma shrimp (Marsupenaeus japonicus). Further tissue ex...

Gill disorders are responsible for substantial losses in the aquaculture industry. This is because gills delicate and anatomically complex tissues, maintaining homeostasis fish by being involved many important physiological processes. Pathogens that infect gills, together with chemical irritants can modify function of this organ seriously affect health often leading to mass mortality. Since pat...

The article describes the study of Rodlet cells in gills 15 fish species Cyprinidae family, 1 from Siluridae 2 Percidae and Esocidae all caught Zhaiyk River, Republik Kazakhstan. at present stage researche are classified as nonspecific immune response fish. Besides, they can be used biomarkers to monitor state water reservoirs. Serious pathological changes surveyed were revealed by histomorphol...

A bacteriological study of fish is critical to protecting people from potential hazards and serving as an indicator water contamination. The was carried out investigate microorganisms the Labeo rohita. total bacterial load measured in skin, gills, intestine. It had a (TBL) 1.54×109 CFU/g on average. intestine highest average TBL 2.09×109 CFU/g, while gill lowest 1.08×109 CFU/g. Isolated bacteri...

The sardine (Sardina pilchardus) is the most popular species for fishing of the Algerian coast. Five toxic metals zinc (Zn), cadmium (Cd), copper (Cu), lead (Pb), and iron (Fe) that can affect human health are studied in this fish. Samples are collected monthly between January and December 2019 in the Ghazaouet bay. The collected samples were analyzed by atomic absorption spectrophotometry by s...

Sir, it has been reported that microcysts from macular oedema occur in 4.7% of patients with multiple sclerosis (Gelfand et al., 2012). It is now evident that these microcysts do not represent oedema, nor is their occurrence a specific feature of demyelinating disease, because they have been identified in patients with Leber's hereditary optic neuropathy, Kjer's dominant optic atrophy, and opti...

Bull sharks, Carcharhinus leucas, are one of only a few species of elasmobranchs that live in both marine and freshwater environments. Osmoregulation in euryhaline elasmobranchs is achieved through the control and integration of various organs (kidney, rectal gland and liver) in response to changes in environmental salinity. However, little is known regarding the mechanisms of ion transport in ...