Ontogeny of lymphoid organs and mucosal associated lymphoid tissues in meagre (Argyrosomus regius)
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Autor/a
Campoverde, Cindy
Andree, Karl B.
Milne, Douglas J.
Carella, Francesca
Fecha de publicación
2018-09-15ISSN
1050-4648
Resumen
This study investigates the development of lymphoid organs and mucosal tissues in larval and juvenile meagre, Argyrosomus regius. For this purpose, meagre larvae were reared from hatch to the juvenile stage, under mesocosm conditions at 18–19 °C, using standard feeding sequences with live prey and artificial food. The kidney was evident upon hatch and included a visible pronephros, with undifferentiated stem cells and excretory tubules at 1 dph (3.15 ± 0.1 mm SL). The thymus was first detected 8 dph (4.49 ± 0.39 mm SL) and was clearly visible 12 dph (5.69 ± 0.76 mm SL), 33 dph (15.69 ± 1.81 mm SL) an outer thymocytic zone and inner epithelial zone were visible. The spleen was present 12 dph, located between exocrine pancreas and intestine and by 26 dph (11.84 ± 1.3 mm SL) consisted of a mass of sinusoids filled with red blood cells. Melanomacrophage centers were found 83 dph (66.25 ± 4.35 mm SL) in the spleen. Between 14–15 dph (6.9 ± 1.1 mm SL), goblet and rodlet cells appear in the gill and intestinal epithelium. The lymphoid organs, which appear in the order of pronephric kidney (1 dph), thymus (8 dph) and spleen (12 dph) remarkably increase in size during the post-flexion stage. While functional studies are needed to confirm the activity of the immune response, the morphology of the lymphoid organs suggest that meagre is not immuno-competent until 83 dph.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Páginas
39
Publicado por
Elsevier
Publicado en
Fish and Shellfish Immunology
Citación
Campoverde, Cindy, Karl B. Andree, Douglas J. Milne, Alicia Estévez, Enric Gisbert, and Francesca Carella. 2019. "Ontogeny Of Lymphoid Organs And Mucosal Associated Lymphoid Tissues In Meagre (Argyrosomus Regius)". Fish & Shellfish Immunology 84: 509-520. Elsevier BV. doi:10.1016/j.fsi.2018.09.033.
Número del acuerdo de la subvención
EC/FP7/603121/EU/Exploring the biological and socio-economic potential of new-emerging candidate fish species for the expansion of the European aquaculture industry/DIVERSIFY
Program
Aqüicultura
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