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Efecto de la dieta sobre el proteoma de paralarvas de Octopus vulgaris

AuthorsVaró, Inmaculada ; Hontoria, Francisco ; Monroig, Óscar ; Navarro, Juan Carlos
Issue Date13-Oct-2015
CitationXV Congreso Nacional de Acuicultura / I Congreso Ibérico de Acuicultura (2015)
AbstractNowadays, the common octopus (Octopus vulgaris) culture is hampered by massive mortalities occurring during early life-cycle stages (paralarvae). Although the causes of the high paralarvae mortality are not yet well defined and understood, the nutritional stress caused by diet is pointed out as one of the main factors. In this study the effect of diet on paralarvae is analysed trough a proteomic approach, to search for new biomarkers of nutritional stress. A total of 50 proteins showing differential expression in each condition analysed have been identified, highlighting proteins related with carbohydrate metabolism: glyceraldehyde-3-phosphate-dedydrogenase (GAPDH), triosephosphate isomerase and NADP+- specific isocitrate dehydrogenase; pyrimidine and beta-alanine metabolisms and vitamin B5 and CoA biosynthesis: dihydropyrimidinase; energetic metabolism: arginine kinase; detoxification: glutathione-S-transferase (GST), stress: heat shock proteins (HSP70); structural constituent of eye lens:S-crystallin; and cytoskeleton: actin, actin-beta/gamma1 and beta actin. Theresults obtained allow defining characteristic“proteomes” of paralarvae depending on the diet; as well as the use of these proteins as new biomarkers to evaluate their nutritional stress.
DescriptionComunicación presentada en el XV Congreso Nacional de Acuicultura / I Congreso Ibérico de Acuicultura, celebrado en Huelva, España, del 13 al 16 de octubre de 2015
Appears in Collections:(IATS) Comunicaciones congresos
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