Age-Dependent Variation of Serum Protein Antigens in Sturgeons (Acipenseridae, Acipenseriformes)

Age-Dependent Variation of Serum Protein Antigens in Sturgeons (Acipenseridae, Acipenseriformes) We studied the variation of antigenic properties of proteins in two sturgeon species at different stages of postembryonic development. The deepest changes occurred in individual components of albumins and β-globulins (transferrins) and were mostly related to an increased proportion of the protein accounting for these antigens. Transformation of the main component of albumins A1 into adult antigens was completed in 5-month old juveniles. The main component of β-globulins βA (component of transferrins) appeared in the blood flow much later than other proteins and could retain the juvenile features until the age of 3–4 years. Other antigens belonging to α1- and α2-globulins and the second component of transferrins were more stable and did not undergo substantial changes. The direction of ontogenetic variation of serum antigens in sturgeon juveniles did not depend on the habitat of adult fish in fresh or sea water. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Age-Dependent Variation of Serum Protein Antigens in Sturgeons (Acipenseridae, Acipenseriformes)

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Publisher
Springer Journals
Copyright
Copyright © 2004 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1023/B:RUDO.0000043823.24288.9f
Publisher site
See Article on Publisher Site

Abstract

We studied the variation of antigenic properties of proteins in two sturgeon species at different stages of postembryonic development. The deepest changes occurred in individual components of albumins and β-globulins (transferrins) and were mostly related to an increased proportion of the protein accounting for these antigens. Transformation of the main component of albumins A1 into adult antigens was completed in 5-month old juveniles. The main component of β-globulins βA (component of transferrins) appeared in the blood flow much later than other proteins and could retain the juvenile features until the age of 3–4 years. Other antigens belonging to α1- and α2-globulins and the second component of transferrins were more stable and did not undergo substantial changes. The direction of ontogenetic variation of serum antigens in sturgeon juveniles did not depend on the habitat of adult fish in fresh or sea water.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Dec 30, 2004

References

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