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Oocyte hydration as a key feature in the adaptive evolution of teleost fishes to seawater
Finn, R.N.; Fyhn, H.J.; Norberg, B.; Munholland, J.; Reith, M. (2000). Oocyte hydration as a key feature in the adaptive evolution of teleost fishes to seawater, in: Norberg, B. et al. (Ed.) Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. pp. 289-291
In: Norberg, B. et al. (2000). Proceedings of the 6th International Symposium on the Reproductive Physiology of Fish, Bergen, Norway, July 4-9, 1999. International Symposium on the Reproductive Physiology of Fish, 6. Department of Fisheries and Marine Biology, University of Bergen: Bergen. ISBN 82-7461-048-2. 499 pp., meer
In: International Symposium on the Reproductive Physiology of Fish. Museo Nacional de Ciencias Naturales. , meer
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  • Finn, R.N.
  • Fyhn, H.J.
  • Norberg, B.
  • Munholland, J.
  • Reith, M.
Abstract
    In extant marine teleosts that spawn pelagic eggs, a large pool of free amino acids (FAA) is generated during oocyte hydration. At the same time yolk proteins (mainly a similar to 105 kDa protein) are cleaved. Intriguingly, the profile of FAA is remarkably similar regardless of the taxonomic position of the fish species, implying that the hydrolysed protein fractions are evolutionary conserved. Tryptic digests of the similar to 105 kDa protein (haddock) reveals that it belongs to the N-terminal end of pre-cleaved vitellogenin
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