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Título : Dynamics of fatty acids in the larval development, metamorphosis and post-metamorphosis of Ostrea edulis (L.)
Autor : Labarta, Uxío, Fernández-Reiriz, María José, Pérez-Camacho, A.
Palabras clave : Fatty acids
Ostrea edulis
Fecha de publicación : 1999
Editor: Elsevier
Resumen: We analysed the composition of fatty acids during the larval development of Ostrea edulis in view of the role played by essential fatty acids (i.e. 20:5n–3 and 22:6n–3) during the three most important stages in the development, with particular emphasis on metamorphosis, of this mollusc. In the first stage (larval period) all fatty acids increase. During metamorphosis (50% eyed, 72 h) there is still an increase but smaller than during the larval period, for all major fatty acids with the exception of polienoic, n–3PUFAs (polyunsaturated fatty acid) and C20 and C22 non-methylene-interrupted dienoic (NMID). The juvenile shows the highest gain for all the main fatty acids. Changes in the PUFAs composition were marked by an increase in the 22:6n–3:20:5n–3 ratio during the period of larval development, followed by a decrease in this ratio until 6 days after the onset of metamorphosis, and finally a further increase during the post-metamorphosis stage. The losses in 22:6n–3 for the period between the end of metamorphosis and 6 days after its onset would seem to indicate a specific function for each of these two fatty acids, with a structural role for 22:6n–3 and an energy-providing role for 20:5n–3
Descripción : 6 páginas, 1 tabla
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ISSN: 1095-6433
DOI: 10.1016/S1095-6433(99)00054-9
Citación : Comparative Biochemistry and Physiology - A - Molecular and Integrative Physiology 123(3): 249-254 (1999)
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