Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Animal Sciences (3)
- Biochemistry, Biophysics, and Structural Biology (2)
- Pharmacology, Toxicology and Environmental Health (2)
- Physiology (2)
- Toxicology (2)
-
- Zoology (2)
- Aquaculture and Fisheries (1)
- Biochemistry (1)
- Cell and Developmental Biology (1)
- Cellular and Molecular Physiology (1)
- Comparative and Evolutionary Physiology (1)
- Earth Sciences (1)
- Environmental Indicators and Impact Assessment (1)
- Environmental Monitoring (1)
- Environmental Sciences (1)
- Geochemistry (1)
- Integrative Biology (1)
- Molecular Biology (1)
- Other Animal Sciences (1)
- Other Pharmacology, Toxicology and Environmental Health (1)
- Physical Sciences and Mathematics (1)
- Keyword
-
- Acid (1)
- Americamysis bahia (1)
- Base (1)
- Biotic Ligand Model (1)
- Collecting duct (1)
-
- Copper (1)
- Dissolved Organic Matter (1)
- Environmental Toxicology (1)
- Estuarine and Marine Toxiocology (1)
- Extra-gastric (1)
- Fish (1)
- Gastric (1)
- Glucuronidation (1)
- Glucuronide (1)
- H+/ K+-ATPase (1)
- HKα1 (1)
- Ion regulation (1)
- Ionocytes (1)
- Lactate Dehydrogenase (1)
- Metabolite (1)
- Omeprazole (1)
- Osmoregulation (1)
- Potassium (1)
- Potassium regulation (1)
- SCH28080 (1)
- Tilapia (1)
Articles 1 - 4 of 4
Full-Text Articles in Marine Biology
Evidence For Extra-Gastric Expression Of The Proton Pump H+/K+ -Atpase In The Gills And Kidney Of The Teleost Oreochromis Niloticus, Ebtesam Barnawi
Evidence For Extra-Gastric Expression Of The Proton Pump H+/K+ -Atpase In The Gills And Kidney Of The Teleost Oreochromis Niloticus, Ebtesam Barnawi
Theses and Dissertations (Comprehensive)
It is well known that stomach acid secretion by oxynticopeptic cells of the gastric mucosa is accomplished by the H+/ K+-ATPase (HKA), which is comprised of the HKα1 (gene: atp4a) and HKβ (gene: atp4b) subunits. However, the role of the HKA in extra-gastric organs such as the gill and kidney is less clear especially in fishes. This pump may contribute to active ion and/or acid-base regulation either through direct ion transport or through secondary transport proteins against unfavorable concentration gradients via the energy derived from ATP hydrolysis. In the present work I have demonstrated …
A Missing Link In The Ionoregulatory Strategy Of Larval Sea Lamprey (Petromyzon Marinus) And African Lungfish (Protopterus Annectens): A Closer Look Into The Role Of The Non-Gastric H+/K+-Atpase, Justine E. Doherty
Theses and Dissertations (Comprehensive)
Fishes living in freshwater need to actively compensate for the diffusive loss of ions and osmotic gain of water. The gill is the primary organ of ion regulation and contains an array of ion transport proteins to help maintain homeostasis. Two of the more well studied ion pumps are the Na+/K+-ATPase (NKA) and vacuolar type proton ATPase (V-ATPase). This thesis focuses on another ion pump known as the non-gastric H+/K+-ATPase (ngHKA). The ngHKA (gene: atp12a) has not been found in any of the teleost fishes, indicating loss from that lineage. In …
Distribution And Elimination Of 3-Trifluoromethyl-4-Nitrophenol (Tfm) By Sea Lamprey (Petromyzon Marinus) And Non-Target, Rainbow Trout (Oncorhynchus Mykiss) And Lake Sturgeon (Acipenser Fulvescens), Michael W. Le Clair
Theses and Dissertations (Comprehensive)
The pesticide, 3-trifluoromethyl-4-nitrophenol (TFM), has been highly successful in the control of sea lamprey (Petromyzon marinus) populations in the Great Lakes. Treatments with TFM involve applying it to streams, where it targets larval sea lamprey which live burrowed in the stream substrate. While the toxic mechanism of TFM has been elucidated, and its effects on sea lamprey described, its effects on non-target fish species such as rainbow trout (Oncorhynchus mykiss) and lake sturgeon (Acipenser fulvescens) are not as well understood. The present work demonstrated that rainbow trout show a great capacity to detoxify the lampricide using glucuronidation, when exposed to …
Effects Of Salinity And Dissolved Organic Matter On Cu Toxicity To Americamysis Bahia In Estuarine Environments, Rabia Nasir
Effects Of Salinity And Dissolved Organic Matter On Cu Toxicity To Americamysis Bahia In Estuarine Environments, Rabia Nasir
Theses and Dissertations (Comprehensive)
As salinity increases the geochemical speciation of Cu is altered as a result of organic/inorganic complexation/competition. Such salinity changes may further challenge the osmoregulatory capabilities of euryhaline organisms. This chemical-biological interaction complicates the understanding of the impacts of Cu in estuarine waters. Dissolved organic matter (DOM) has been widely established to be an important modifier of Cu toxicity in freshwaters however its effectiveness in modulating Cu toxicity across the range of salinities that occur in estuarine conditions has not been studied in a systematic manner. Site to site differences in DOM quality with respect to the potential for toxicity mitigation …