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- Title
Aspartate and Alanine Aminotransferases in Early Development of the Keta.
- Authors
Samsonova, M. V.; Min'kova, N. O.; Lapteva, T. I.; Mikodina, E. V.; Filippovich, Yu. B.
- Abstract
We studied the activities of the marker enzymes of physiological state and adaptive reactions, aspartate and alanine aminotransferases, in early development of the keta Oncorhynchus keta. Aspartate aminotransferase with pH optima 6.8, 7.0, 7.6, and 8.0 and alanine aminotransferase with pH optima 7.0, 7.4, 7.6, 7.8, 8.0, and 8.2 were found in the eggs, larvae, and fry. The succession of enzymes with different pH takes place during ontogenesis, as well as stage specific changes in their activity. The maximum enzymatic activity was recorded in the larvae during their rise for “afloat.” A correlation was established between the dynamics of enzymatic activity and soluble nitrogen and amine nitrogen contents.
- Subjects
ENZYMES; ASPARTATE aminotransferase; ALANINE; CHUM salmon; ONCORHYNCHUS; BIOCHEMISTRY
- Publication
Russian Journal of Developmental Biology, 2003, Vol 34, Issue 1, p14
- ISSN
1062-3604
- Publication type
Article
- DOI
10.1023/A:1022229615849