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K+ and NH4+ modulate gill (Na+, K+)-ATPase activity in the blue crab, Callinectes ornatus: Fine tuning of ammonia excretion

✍ Scribed by D.P. Garçon; D.C. Masui; F.L.M. Mantelatto; J.C. McNamara; R.P.M. Furriel; F.A. Leone


Book ID
113518882
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
484 KB
Volume
147
Category
Article
ISSN
1095-6433

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Salinity adaption of gill Na, K-ATPase i
✍ Neufeld, Gaylen J. ;Holliday, Charles W. ;Pritchard, John B. 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 795 KB

## Abstract Both male and female blue crabs were shown to hyperosmoregulate efficiently at low salinities. The posterior gill pairs, particularly numbers six and seven, exhibited the highest specific activity of Na, K‐ATPase in crabs adapted to full‐strength seawater. When the crabs were acclimated

K+-Phosphatase activity of gill (Na+, K+
✍ Masui, D.C. ;Furriel, R.P.M. ;Mantelatto, F.L.M. ;Mcnamara, J.C. ;Leone, F.A. 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 244 KB 👁 1 views

## Abstract The kinetic properties of a microsomal gill (Na^+^, K^+^) ATPase from the blue crab, __Callinectes danae__, acclimated to 15 ‰ salinity for 10 days, were analyzed using the substrate p‐nitrophenylphosphate. The (Na^+^, K^+^)‐ATPase hydrolyzed the substrate obeying Michaelian kinetics at