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Morphological and biochemical characterizations of the great scallop Pecten maximus metamorphosis Caracterisations morphologique et biochimique de la metamorphose de la coquille Saint-Jacques, Pecten maximus Lamarck


Morphological and biochemical characterizations of the great scallop Pecten maximus metamorphosis Caracterisations morphologique et biochimique de la metamorphose de la coquille Saint-Jacques, Pecten maximus Lamarck



Comptes Rendus de l'Academie des Sciences Serie III Sciences de la Vie. Octobre; 32210: 847-853



In order to characterize Pecten maximus metamorphosis within a hatchery environment, the relationships existing among the various larval rearing parameters, the biochemical composition of the larvae and metamorphosis have been determined. Metamorphosis levels are correlated with the percentages of double ring larvae, as well as with the larval lipid content. A multiple regression incorporating the percentage of double ring larvae and larval lipid content shows that these two combined parameters explain 50 % of the total metamorphosis variance, with an equal relative importance for each of them. In an attempt to identify other possible endogenous markers, the kinetics of biogenic amines were also examined throughout larval and post-larval development. A steady increase in serotonin and dopamine levels was recorded during larval development while a sudden decrease in both molecules was noted during metamorphosis. It is suggested that these two amines may be used as indicators of larval competence for P. maximus metamorphosis.

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Accession: 038426158

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Related references

Caractérisations morphologique et biochimique de la métamorphose de la coquille Saint-Jacques, Pecten maximus (Lamarck) - Morphological and biochemical characterizations of the great scallop Pecten maximus metamorphosis. Comptes Rendus de l'Academie des Sciences. Serie 3, Sciences de la Vie 322(10): 847-853, 1999

Morphological and biochemical characterizations of the great scallop Pecten maximus metamorphosis. Comptes Rendus de l' Academie des Sciences Serie III, Sciences de la Vie 322(10): 847-853, 1999

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