The correlation between fish growth and several biochemical characteristics with reference to the steelhead <Emphasis Type="Italic">Parasalmo mykiss</Emphasis> Walb. |
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Authors: | M V Churova O V Meshcheryakova N N Nemova M I Shatunovskii |
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Institution: | (1) Department of Anatomy and Developmental Biology, Royal Free Hospital and University College London, Rowland Hill Street, London, NW3 2PF, UK |
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Abstract: | Correlation analysis demonstrated a statistically significant correlation of linear-weight characteristics of the steelhead
rainbow trout (cultivated steelhead form) with an RNA/DNA ratio and the expression level of the gene encoding cytochrome c oxidase (CCO) in two-year-old individuals (1+) as well as the expression level of the gene encoding the myosin heavy chain
(MyHC) and activities of the enzymes CCO and lactate dehydrogenase (LDH) in muscles and 1-glycerophosphate dehydrogenase (1-GPDH)
and glucose-6-phosphate dehydrogenase (G6PDH) in the liver of two- and three-year-old individuals (1+ and 2+). With age, the
correlation of 1-GPDH and G6PDH activities in the rainbow trout liver with the fish body weight increased, whereas their correlations
with the body length reduced. The age- and sex-related distinctions in the MyHC gene expression and activities of the white muscle enzyme LDH and the liver enzymes 2-GPDH and G6PDH were detected in rainbow
trout of both age cohorts. |
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