Population and gender-based differences in tissue-specific enzyme activities in brackish water and freshwater threespine sticklebacks, Gasterosteus aculeatus

• Published in: Marine biology Vol. 130; no. 2; pp. 301 - 308
• Main Authors: JÜRSS, K, MARIN, K, KERSTAN, T, BASTROP, R
• Format: Journal Article
• Language: English
• Published: Heidelberg Springer 01.12.1997; Berlin Springer Nature B.V
• Subjects: Aquatic life; Biological and medical sciences; Brackish; Brackish water; Dehydrogenase; Enzymatic activity; Enzymes; Freshwater; Fundamental and applied biological sciences. Psychology; Gasterosteus aculeatus; Marine biology; Sexes; Studies; Thermoregulation. Hibernation. Estivation. Ecophysiology and environmental effects; Vertebrates: anatomy and physiology, studies on body, several organs or systems; Germany, Mecklenburg-Vorpommern; Glutamate dehydrogenase; Brackish water environment; Enzyme; Transferases; Biological evolution; Liver; Environmental factor; L-Lactate dehydrogenase; Freshwater environment; Enzymatic activity; Transaminases; Aspartate transaminase; Muscle; Oxidoreductases; Comparative study; Adaptation
• ISSN: 0025-3162; 1432-1793
• DOI: 10.1007/s002270050249

Sticklebacks (Gasterosteus aculeatus) from a brackish water and a freshwater population were compared immediately after removal from their habitat and after being maintained in the laboratory. Glutamate dehydrogenase activities in the liver and both lactate dehydrogenase and aspartate aminotransferase activities in the axial muscle were higher in the brackish water sticklebacks than in the freshwater specimens.