Air-breathing catfish, Clarias batrachus upregulates glutamine synthetase and carbamyl phosphate synthetase III during exposure to high external ammonia
We assessed the possible upregulation of glutamine synthetase (GS) and typical 'fish
type'carbamyl phosphate synthetase III (CPS III) in detoxification of ammonia in different
tissues of the walking catfish (Clarias batrachus) during exposure to 25 mM NH4Cl for 7
days. Exogenous ammonia led to an increase in ammonia and urea concentrations in
different tissues. The results revealed the presence of relatively high levels of GS activity in
the brain, liver and kidney, unexpectedly, also in the muscle, and even higher levels in the …
type'carbamyl phosphate synthetase III (CPS III) in detoxification of ammonia in different
tissues of the walking catfish (Clarias batrachus) during exposure to 25 mM NH4Cl for 7
days. Exogenous ammonia led to an increase in ammonia and urea concentrations in
different tissues. The results revealed the presence of relatively high levels of GS activity in
the brain, liver and kidney, unexpectedly, also in the muscle, and even higher levels in the …
Air-breathing catfish, Clarias batrachus upregulates glutamine synthetase and carbamyl phosphate synthetase III during exposure to high external ammonia.
NS Nirmalendu Saha, SD Shritapa Datta, ZY Kharbuli… - 2007 - cabidigitallibrary.org
We assessed the possible upregulation of glutamine synthetase (GS) and typical'fish
type'carbamyl phosphate synthetase III (CPS III) in detoxification of ammonia in different
tissues of the walking catfish (Clarias batrachus) during exposure to 25 mM NH4Cl for 7
days. Exogenous ammonia led to an increase in ammonia and urea concentrations in
different tissues. The results revealed the presence of relatively high levels of GS activity in
the brain, liver and kidney, unexpectedly, also in the muscle, and even higher levels in the …
type'carbamyl phosphate synthetase III (CPS III) in detoxification of ammonia in different
tissues of the walking catfish (Clarias batrachus) during exposure to 25 mM NH4Cl for 7
days. Exogenous ammonia led to an increase in ammonia and urea concentrations in
different tissues. The results revealed the presence of relatively high levels of GS activity in
the brain, liver and kidney, unexpectedly, also in the muscle, and even higher levels in the …
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