FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP

This work presents the fatty acid composition of copepod species in southern Chile: two of them that are ectoparasites on Eleginops maclovinus (Caligus rogercresseyi and Lepeophtheirus mugiloidis) and one free-living species (Tigriopus sp.). C. rogercresseyi females from different hosts (Salmo salar...

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Autores principales:	HORMAZABAL,EMILIO, ASENCIO,GLADYS, CARVAJAL,JUAN, QUIROZ,ANDRÉS
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2009
Materias:	fatty acids ectoparasites Caligus rogercresseyi Lepeophtheirus mugiloidis Tigriopus sp
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000400015
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spelling	oai:scielo:S0717-970720090004000152010-04-15FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SPHORMAZABAL,EMILIOASENCIO,GLADYSCARVAJAL,JUANQUIROZ,ANDRÉS fatty acids ectoparasites Caligus rogercresseyi Lepeophtheirus mugiloidis Tigriopus sp This work presents the fatty acid composition of copepod species in southern Chile: two of them that are ectoparasites on Eleginops maclovinus (Caligus rogercresseyi and Lepeophtheirus mugiloidis) and one free-living species (Tigriopus sp.). C. rogercresseyi females from different hosts (Salmo salar and E. Maclovinus). Fatty acid methyl esters were determined with GC-MS. The studied species presented a wide variety of saturated, monounsaturated, and polyunsaturated fatty acids, with compounds having from 12 to 24 carbons. The studied species had different percentage compositions of the acids identifed. In all three species, palmitic (C16) and oleic (C18:1) fatty acids dominated the percentage concentrations. The highest percentage concentration (46.59 %) was found for palmitic acid in Tigriopus. Only the females of C. rogercresseyi analyzed were found to have myristoleic acid (C14:1). Stearic (C18) and oleic (C18:1) acids were present in both C. rogercresseyi males and females, but with different distributions. Oleic acid in females was 33.97 % and only 7.64 % in males, whereas stearic acid was 9.95 % in females and 21.51 % in males. The C. rogercresseyi on Patagonian blennie (Eleginops maclovinus) revealed 3.89% C20:4 and 9.60 % C20:5. Eicosapentaenoic and docosahexaenoic acids, detected only in the ectoparasitic copepods, had percentage concentrations of up to 10 %. The possible role of this fatty acid in the stimulation of innate fsh immunity is discussed.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.54 n.4 20092009-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000400015en10.4067/S0717-97072009000400015
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	fatty acids ectoparasites Caligus rogercresseyi Lepeophtheirus mugiloidis Tigriopus sp
spellingShingle	fatty acids ectoparasites Caligus rogercresseyi Lepeophtheirus mugiloidis Tigriopus sp HORMAZABAL,EMILIO ASENCIO,GLADYS CARVAJAL,JUAN QUIROZ,ANDRÉS FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP
description	This work presents the fatty acid composition of copepod species in southern Chile: two of them that are ectoparasites on Eleginops maclovinus (Caligus rogercresseyi and Lepeophtheirus mugiloidis) and one free-living species (Tigriopus sp.). C. rogercresseyi females from different hosts (Salmo salar and E. Maclovinus). Fatty acid methyl esters were determined with GC-MS. The studied species presented a wide variety of saturated, monounsaturated, and polyunsaturated fatty acids, with compounds having from 12 to 24 carbons. The studied species had different percentage compositions of the acids identifed. In all three species, palmitic (C16) and oleic (C18:1) fatty acids dominated the percentage concentrations. The highest percentage concentration (46.59 %) was found for palmitic acid in Tigriopus. Only the females of C. rogercresseyi analyzed were found to have myristoleic acid (C14:1). Stearic (C18) and oleic (C18:1) acids were present in both C. rogercresseyi males and females, but with different distributions. Oleic acid in females was 33.97 % and only 7.64 % in males, whereas stearic acid was 9.95 % in females and 21.51 % in males. The C. rogercresseyi on Patagonian blennie (Eleginops maclovinus) revealed 3.89% C20:4 and 9.60 % C20:5. Eicosapentaenoic and docosahexaenoic acids, detected only in the ectoparasitic copepods, had percentage concentrations of up to 10 %. The possible role of this fatty acid in the stimulation of innate fsh immunity is discussed.
author	HORMAZABAL,EMILIO ASENCIO,GLADYS CARVAJAL,JUAN QUIROZ,ANDRÉS
author_facet	HORMAZABAL,EMILIO ASENCIO,GLADYS CARVAJAL,JUAN QUIROZ,ANDRÉS
author_sort	HORMAZABAL,EMILIO
title	FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP
title_short	FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP
title_full	FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP
title_fullStr	FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP
title_full_unstemmed	FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL & BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA & DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP
title_sort	fatty acid in ectoparasite copepods from southern chile caligus rogercresseyi boxshall & bravo 2000, lepeophtheirus mugiloidis villalba & duran 1985 and the free-living species tigriopus sp
publisher	Sociedad Chilena de Química
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000400015
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FATTY ACID IN ECTOPARASITE COPEPODS FROM SOUTHERN CHILE CALIGUS ROGERCRESSEYI BOXSHALL &amp; BRAVO 2000, LEPEOPHTHEIRUS MUGILOIDIS VILLALBA &amp; DURAN 1985 AND THE FREE-LIVING SPECIES TIGRIOPUS SP

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