Abelli L, Picchietti S, Romano N, Mastrolia L, Scapigliati G (1996) Immunocytochemical detection of thymocyte antigenic determinants in developing lymphoid organs of sea bass Dicentrarchus labrax (L.). Fish Shellfish Immunol 6:493–505
Abelli L, Picchietti S, Romano N, Mastrolia L, Scapigliati G (1997) Immunohistochemistry of gut-associated lymphoid tissue of the sea bass Dicentrarchus labrax (L.). Fish Shellfish Immunol 7:235–245
Abelli L, Baldassini MR, Meschini R, Mastrolia L (1998) Apoptosis of thymocytes in developing sea bass Dicentrarchus labrax (L.). Fish Shellfish Immunol 8:13–24
Altschul SF, Gish W, Miller W, Myers E, Lipman DJ (1990) Best local alignment search tool. J Mol Biol 215:403–410
Aviles-Trigueros M, Quesada JA (1995) Presence of interdigitate cells in thymus of the sea bass Dicentrarchus labrax L. (Teleost). J Morphol 224:199–203
Bernard D, Six A, Rigottier-Gois L, Messiaen S, Chilmonczyk S, Quillet E, Boudinot P, Benmansour A (2006) Phenotypic and functional similarity of gut intraepithelial and systemic T cells in a teleost fish. J Immunol 176:3942–3949
Danilova N, Hohman VS, Sacher F, Ota T, Willett CE, Steiner LA (2004) T cells and the thymus in developing zebrafish. Dev Comp Immunol 28:755–767
Ellis AE (1977) Ontogeny of the immune response in Salmo salar. Histogenesis of the lymphoid organs and appearance of membrane immunoglobulin and mixed leucocyte reactivity. In: Solomon JB, Horton JD (eds) Developmental immunobiology. Elsevier/North Holland Biomedical, Amsterdam, pp 225–231
Fisher U, Dijkstra JM, Köllner B, Kiryu I, Koppang EO, Hordovic I, Sawamoto Y, Ototake M (2005) The ontogeny of MHC class I expression in rainbow trout (Oncorhynchus mykiss). Fish Shellfish Immunol 18:49–60
Goldrath AW, Bevan MJ (1999) Selecting and maintaining a diverse T-cell repertoire. Nature 402:255–261
Huttenhuis HBT, Romano N, Oosterhoud CN van, Taverne-Thiele AJ, Mastrolia L, Van Muiswinkel WB, Rombout JHWH (2005) The ontogeny of mucosal immune cells in common carp (Cyprinus carpio L.). Anat Embryol 211:19–29
Kurosawa Y, Hashimoto K (1997) How did primordial T cell receptor and MHC molecules function initially? Immunol Cell Biol 75:193–196
Lefrançois L, Puddington L (1995) Extrathymic intestinal T-cell development: “virtual reality”? Immunol Today 16:16–21
Lovy J, Wright GM, Speare DJ (2006) Morphological presentation of a dendritic-like cell within the gills of chinook salmon infected with Loma salmonae. Dev Comp Immunol 30:259–263
McMillan ND, Secombes C (1997) Isolation of rainbow trout (Oncorhynchus mykiss) intestinal intraepithelial lymphocytes (IEL) and measurement of their cytotoxic activity. Fish Shellfish Immunol 7:527–541
Miracle AL, Anderson MK, Litman RT, Walsh CJ, Luer CA, Rothenberg EV, Litman GW (2001) Complex expression patterns of lymphocyte-specific genes during the development of cartilaginous fish implicate unique lymphoid tissues in generating an immune repertoire. Int Immunol 13:567–580
Nam Bo-H, Hirono I, Aoki T (2003) The four TcR genes of teleost fish: the cDNA and genomic DNA analysis of Japanese flounder (Paralichtys olivaceus) TcR α-, β-, γ-, and δ-chains. J Immunol 170:3081–3090
Parham P (2000) The immune system-current trends. Gardaland, New York London
Pearson WR, Lipman DJ (1988) Improved tools for biological sequence comparision. Proc Natl Acad Sci USA 85:2444–2448
Picchietti S, Terribili FR, Mastrolia L, Scapigliati G, Abelli L (1997) Expression of lymphocyte antigenic determinants in developing gut-associated lymphoid tissue of the sea bass Dicentrarchus labrax (L.). Anat Embryol 196:457–463
Quiniou SM-A, Wilson M, Bengtèn E, Waldbieser GC, Clem LW, Miller NW (2005) MHC RFLP analyses in channel catfish full-sibling families: identification of the role of MHC molecules in spontaneous allogenic cytotoxic responses. Dev Comp Immunol 29:457–467
Ritter MA, Crispe IN (1992) The thymus. In: Rickwood D, Male D (eds) In focus. Oxford University Press, Oxford, pp 1–85
Romano N, Abelli L, Mastrolia L, Scapigliati G (1997a) Immunocytochemical detection and cytomorphology of lymphocyte subpopulations in a teleost fish Dicentrarchus labrax (L). Cell Tissue Res 289:163–171
Romano N, Baldassini MR, Terribili FR, Abelli L, Mastrolia L, Mazzini M (1997b) Histological observations on lymphoid organs of the Antarctic fish Trematomus bernacchii (Teleostei: Nototheniidae). Polar Biol 18:358–362
Romano N, Picchietti S, Taverne-Thiele JJ, Abelli L, Mastrolia L, Verburg-van Kemenade BML, Rombout JHWM (1998) Distribution of macrophages during fish development: an immunohistochemical study in carp (Cyprinus carpio,(L.). Anat Embryol 198:31–41
Romano N, Fanelli M, Del Papa GM, Scapigliati G, Mastrolia L (1999a) Histological and cytologycal studies on the developing thymus of sharpsnout seabream, Diplodus puntazzo. J Anat 194:39–50
Romano N, Taverne-Thiele, JJ, Fanelli M, Baldassini MR, Abelli L, Mastrolia L, Van Muiswinkel WB, Rombout JHMW (1999b) Ontogeny of the thymus in a teleost, Cyprinus carpio L.: developing thymocytes in the epithelial microenvironment. Dev Comp Immunol 23:123–137
Romano N, Baldassini MR, Buonocore F, Picchietti S, Mastrolia L, Abelli L (2005) In vivo allograft rejection in a bony fish Dicentrarchus labrax (L.): characterisation of effector lymphocytes. Cell Tissue Res 321:353–363
Rombout JH, Taverne-Thiele AJ, Villena MI (1993) The gut-associated lymphoid tissue (GALT) of carp (Cyprinus carpio L.): an immunocytochemical analysis. Dev Comp Immunol 17:55–66
Rumfelt LL, McKinney EC, Taylor E, Flajmik MF (2002) The development of primary and secondary lymphoid tissues in nurse shark Ginglymostoma cirratum: B-cell zones precede dendritic cell immigration and T-cell zone formation during ontogeny of the spleen. Scand J Immunol 56:130–148
Scapigliati G, Mazzini M, Mastrolia L, Romano N, Abelli L (1995) Production and characterization of a monoclonal antibody against the thymocytes of the sea bass Dicentrarchus labrax (L.) (Teleostea, Percicthydae). Fish Shellfish Immunology 5:393–405
Scapigliati G, Romano N, Picchietti S, Mazzini M, Mastrolia L, Scalia D, Abelli L (1996) Monoclonal antibodies against sea bass Dicentrarchus labrax (L) immunoglobulins: immunolocalisation of immunoglobulin-bearing cells and applicability in immunoassays. Fish Shellfish Immunol 6:383–401
Scapigliati G, Romano N, Abelli L (1999) Monoclonal antibodies in teleost fish immunology: identification, ontogeny and activity of T- and B-lymphocytes. Aquaculture 172:3–28
Scapigliati G, Romano N, Abelli L, Meloni S, Ficca AG, Buonocore F, Secombes CJ (2000) Immunopurification of T-cells from sea bass Dicentrarchus labrax (L.). Fish Shellfish Immunol 10:329–341
Sprent J, Webb R (1995) Intrathymic and extrathymic clonal deletion of T cells. Curr Opin Immunol 7:196–205
Stet RJ, Kruiswijk CP, Dixon B (2003) Major histocompatibility lineages and immune gene function in teleost fishes: the road not taken. Crit Rev Immunol 23:441–471
Vallejo AN, Miller NW, Clem LW (1992) Antigen processing and presentation in teleost immune responses. Annu Rev Fish Dis 2:73–89
Van Muiswinkel WB (1995) The piscine immune system: innate and acquired immunity. In: Woo PTK (ed) Fish disease and disorders, vol 1. Protozoan and metazoan infections. CAB International, Wallingford, pp 729–750
Wermenstam NE, Pilstrom L (2001) T-cell antigen receptors in Atlantic cod (Gadus morhua L.): structure, organisation and expression of TCR α and β genes. Dev Comp Immunol 25:117–135
Zapata A, Chibà A, Varas A (1996) Cells and tissues of the immune system of fish. In: Iwama Q, Nakanishi T (eds) The fish immune system: organism, pathogen and environment. Academic Press, San Diego, pp 1–62