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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN En Línea: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v37.i2.40
8 pages

Influence of Temperature Acclimation and Actinomycin D on the Carbohydrate Metabolism in Liver and Muscles of Mullus barbatus ponticus

O. S. Rusinova
Karadag Branch, Institute of Biology of the Southern Seas National Academy of Sciences of Ukraine, Sevastopol, Ukraine
L. P. Astakhova
Karadag Nature Reserve National Academy of Science of Ukraine, Kurortnoye settlement, Crimea, Ukraine
V. I. Lushchak
Karadag Nature Reserve National Academy of Science of Ukraine, Kurortnoye settlement, Crimea, Ukraine

SINOPSIS

The decrease in temperature from 16°C to 8°C caused the reduction in glycogen concentration and LDH activity, and the raise in G6PDH activity in tissues of red-striped mullet. These changes were expressed mostly in liver and in red muscles. The injection of actinomycin D, which is an inhibitor of protein biosynthesis, significantly decreased glycogen concentration, and insignificantly increased LDH and G6PDH activities. Mechanisms of the carbohydrate metabolism modification in fish tissues under decreasing environmental temperature are discussed.


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