Fatty acid metabolism in the calanoid copepod Paracalanus parvus: 1 : Polyunsaturated fatty acids

The metabolic fate of radioactive linoleate and α-linolenate administered to the South Atlantic copepodParacalanus parvus was studied. The wild copepod was able to incorporate the labeled acids dissolved in seawater. The radioactive linoleate was elongated to 20∶2ω6 and 22∶2ω6 and desaturated by a Δ...

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Autores principales: Moreno, Victor J., De Moreno, Julia E. A., Brenner, Rodolfo Roberto
Formato: Articulo
Lenguaje:Inglés
Publicado: 1979
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Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/142819
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Sumario:The metabolic fate of radioactive linoleate and α-linolenate administered to the South Atlantic copepodParacalanus parvus was studied. The wild copepod was able to incorporate the labeled acids dissolved in seawater. The radioactive linoleate was elongated to 20∶2ω6 and 22∶2ω6 and desaturated by a Δ6 desaturase to 18∶3ω6. α-Linolenate was also desaturated by a Δ6 desaturase to 18∶4ω3 and elongated to 20∶3ω3. The copepod was able to convert α-18∶3 to 20∶5ω3 and 22∶6ω3.