Innate and adaptive immune responses of turbot, Scophthalmus maximus (L.), following experimental infection with Enteromyxum scophthalmi (Myxosporea: Myxozoa)

Fish & Shellfish Immunology
Ariadna Sitjà-BobadillaP Alvarez-Pellitero

Abstract

The innate and adaptive immune responses against Enteromyxum scophthalmi was studied in turbot (Scopthalmus maximus (L.)) experimentally exposed to the parasite by cohabitation. Haematological, histopathological, cellular and humoral factors were determined in samples taken from control (CTRL) and recipient (RCPT, naïve fish cohabited with donor infected fish) animals at 0, 20, 29, 40 and 43 days post exposure (p.e). Infection was first detected at day 20 p.e. and prevalence reached 100% at 40 days p.e, when first mortalities occurred. A significant reduction in weight and condition factor was found in RCPT, though no significant differences in haematocrit or serum protein levels were detected between CTRL and RCPT. Some immune effectors were clearly activated in RCPT: the percentage of circulating granulocytes was significantly increased, as well as the number of blood cells positive in the respiratory burst assay; leucocyte infiltration in intestine was found mainly on days 20 and 29 p.e.; total serum antiproteases and alpha-2-macroglobulin levels were higher in most of the samplings, with significant differences on the last sampling. Other effectors were clearly down regulated in RCPT: haematopoietic depletion appeared in he...Continue Reading

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Citations

Mar 31, 2010·Marine Biotechnology·Bergljot Magnadottir
May 13, 2010·The Journal of Veterinary Medical Science·Eman Moustafa Moustafa MoustafaAkinori Shimada
Oct 12, 2013·Diseases of Aquatic Organisms·Itziar EstensoroAriadna Sitjà-Bobadilla
Sep 3, 2013·Developmental and Comparative Immunology·Daniela GómezJ Oriol Sunyer
Jun 22, 2002·International Journal for Parasitology·Pilar Alvarez-Pellitero, Ariadna Sitjà-Bobadilla
Feb 2, 2016·Developmental and Comparative Immunology·Ariadna Sitjà-BobadillaJaume Pérez-Sánchez
Dec 3, 2011·Developmental and Comparative Immunology·Irene SalinasJ Oriol Sunyer
Feb 23, 2011·Fish & Shellfish Immunology·Bergljot MagnadottirSigridur Gudmundsdottir
Sep 12, 2008·Veterinary Immunology and Immunopathology·Pilar Alvarez-Pellitero
Aug 30, 2008·Fish & Shellfish Immunology·A Sitjà-Bobadilla
Sep 20, 2015·Fish & Shellfish Immunology·Paolo RonzaMaría Isabel Quiroga
Mar 21, 2016·Developmental and Comparative Immunology·David ParraJ Oriol Sunyer
Feb 18, 2014·Fish & Shellfish Immunology·Gregorio Pérez-CordónJaume Pérez-Sánchez
Oct 16, 2010·Veterinary Parasitology·Itziar EstensoroJaume Pérez-Sánchez
Apr 1, 2008·Parasitology International·Pilar Alvarez-PelliteroAriadna Sitjá-Bobadilla
May 16, 2008·Fish & Shellfish Immunology·Rosa M Jiménez-CantizanoManuel Manchado
May 6, 2021·Animals : an Open Access Journal From MDPI·Paolo RonzaMaría Isabel Quiroga

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