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Hydrobiological Journal
Rédacteur en chef adjoint: V.I. Yurishinets (open in a new tab)
Secrétaire exécutif du comité de rédaction: L.I. Kalinina (open in a new tab)

Publication de 6  numéros par an

ISSN Imprimer: 0018-8166

ISSN En ligne: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

Temperature Dependence of the Lactate Dehydrogenase Activity in Tissues of the Black Sea Flatfishes

Volume 38, Numéro 3, 2002, 8 pages
DOI: 10.1615/HydrobJ.v38.i3.130
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RÉSUMÉ

The activity of lactate dehydrogenase (LDH, EC 1.1.1.27) was studied in spring and autumn at different temperatures of the enzyme incubation in cytoplasm of tissues of two poikilothermic fish species: Scophtalmus maeoticus maeoticus and Platichthys flesus luscus. The enzyme activity decreased in the following series: white muscles - red muscles - gills - gonads - liver; it respectively equaled 0.7631-5.3585, 0.1860-2.0931, 0.0814-0.3946, 0.0338-0.3854, and 0.0035-0.0284 mmole/min·mg. This activity depends on the temperature of the enzyme incubation and the duration of experiments. The LDH activity correlates with the metabolism intensity in tissues, the level of actual fish mobility, the stage of gonad maturation, and temperature peculiarities of the species.

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