Published in Nature on May 10, 1979
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The genetic control of histocompatibility reactions: phylogenetic aspects. Arch Biol (Liege) (1974) 0.89
Membrane exon sequences of the three Xenopus Ig classes explain the evolutionary origin of mammalian isotypes. Eur J Immunol (1996) 0.88
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Effector and regulator functions of splenic and thymic lymphocytes in the clawed toad Xenopus. Ann Immunol (Paris) (1984) 0.87
RING3 is linked to the Xenopus major histocompatibility complex. Immunogenetics (1996) 0.87
Major histocompatibility complex and immunoglobulin loci visualized by in situ hybridization on Xenopus chromosomes. Dev Comp Immunol (2001) 0.87
Factors affecting the reactivity of amphibian lymphocytes in a miniaturized technique of the mixed lymphocyte culture. J Immunol Methods (1973) 0.86
In vitro evidence for T-B lymphocyte collaboration in the clawed toad, Xenopus. Eur J Immunol (1980) 0.86
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Conservation of a master hematopoietic switch gene during vertebrate evolution: isolation and characterization of Ikaros from teleost and amphibian species. Eur J Immunol (1997) 0.86
Genetic control of T helper cell function in the clawed toad Xenopus laevis. Eur J Immunol (1981) 0.86
Specificity of antibodies in amphibian larvae possessing a small number of lymphocytes. Proc Natl Acad Sci U S A (1973) 0.86
Evolution of the MHC: antigenicity and unusual tissue distribution of Xenopus (frog) class II molecules. Mol Immunol (1990) 0.85
Xenopus MHC class II molecules. II. Polymorphism as determined by two-dimensional gel electrophoresis. J Immunol (1985) 0.85
The ontogeny of diversification at the immunoglobulin heavy chain locus in Xenopus. EMBO J (1991) 0.85
Ontogeny of the immune response in animals having less than one million lymphocytes: the larvae of the toad Alytes obstetricans. Immunology (1970) 0.84
Development of the early B cell population in Xenopus. Eur J Immunol (1998) 0.84
The T cell receptor beta genes of Xenopus. Eur J Immunol (1997) 0.84
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Identification of a candidate CD5 homologue in the amphibian Xenopus laevis. J Immunol (1995) 0.83
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Conservation of structural and functional domains in complement component C3 of Xenopus and mammals. Proc Natl Acad Sci U S A (1989) 0.82
Ontogeny of the immune response in cold-blooded vertebrates. Curr Top Microbiol Immunol (1973) 0.82
Conservation of an alpha 2 domain within the teleostean world, MHC class I from the rainbow trout Oncorhynchus mykiss. Dev Comp Immunol (1997) 0.81
Studies on the Xenopus major histocompatibility complex. Dev Comp Immunol (1985) 0.81
Structural and functional analysis of spontaneous anti-nitrophenyl antibodies in three cyprinid fish species: carp (Cyrinus carpio), goldfish (Carassius auratus) and tench (Tinca tinca). Dev Comp Immunol (1984) 0.81
MHC class I antigens as surface markers of adult erythrocytes during the metamorphosis of Xenopus. Dev Biol (1988) 0.81
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The ontogenesis of lymphocyte diversity in anuran amphibians. Cold Spring Harb Symp Quant Biol (1977) 0.80
Changes in the amphibian antibody repertoire are correlated with metamorphosis and not with age or size. Dev Immunol (1992) 0.80
Biochemical analysis of the Xenopus laevis TCR/CD3 complex supports the "stepwise evolution" model. Eur J Immunol (2000) 0.80
Exon-intron organization of Xenopus MHC class II beta chain genes. Immunogenetics (1995) 0.79
Effects of thymectomy and tolerance induction on tumor immunity in adult Xenopus laevis. Int J Cancer (1997) 0.79
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The expression of antibody diversity in natural and laboratory-made polyploid individuals of the clawed toad Xenopus. Immunogenetics (1982) 0.79
Purification and characterization of cytoplasmic creatine kinase isozymes of Xenopus laevis. Biochem Genet (1988) 0.78
Lactate dehydrogenase of Xenopus laevis laevis and Xenopus borealis depends on a multiple gene system. J Exp Zool (1982) 0.77
Nuclear transplantation with melanophores, ciliated epidermal cells, and the established cell-line A-8 in Xenopus laevis. J Embryol Exp Morphol (1973) 0.77
Light chain heterogeneity in the amphibian Xenopus. Mol Immunol (1991) 0.77
Immunologic competence of lymphoid cells in young amphibian larvae. Transplant Proc (1970) 0.77
Two transitions of haemoglobin expression in Xenopus: from embryonic to larval and from larval to adult. Differentiation (1983) 0.76
A Xenopus laevis creatine kinase isozyme (CK-III/III) expressed preferentially in larval striated muscle: cDNA sequence, developmental expression and subcellular immunolocalization. Genet Res (1991) 0.75
Cross-linking CTX, a novel thymocyte-specific molecule, inhibits the growth of lymphoid tumor cells in Xenopus. Mol Immunol (1997) 0.75
Developmental capacity of aneuploid Xenopus species hybrids. Differentiation (1979) 0.75
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Tonegawa's prize. Nature (1988) 0.75
Sequences of C mu and the VH1 family in LG7, a clonable strain of Xenopus, homozygous for the immunoglobulin loci. Dev Immunol (1992) 0.75
Somatic cell hybrids from frog lymphocytes and mouse myeloma cells. Science (1981) 0.75
Developmental expression of the creatine kinase isozyme system of Xenopus: maternally derived CK-IV isoform persists far beyond the degradation of its maternal mRNA and into the zygotic expression period. Development (1990) 0.75
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Two new polyploid Xenopus species from western Uganda. Experientia (1978) 0.75
The mixed leukocyte reaction in the toad Xenopus laevis: a family study. Transplant Proc (1973) 0.75
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Observations on ltl (lethal tumorous larvae) of Drosophila melanogaster. Genetica (1968) 0.75
Changes in affinity of IgM antibodies in amphibian larvae. Eur J Immunol (1974) 0.75
Identification of MHC-like molecules from lower vertebrates using crossreactive xenoantisera. Prog Clin Biol Res (1987) 0.75
Differential expression of creatine kinase isozymes during development of Xenopus laevis: an unusual heterodimeric isozyme appears at metamorphosis. Differentiation (1991) 0.75
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Restoration of antibody responsiveness in early thymectomized Xenopus by implantation of major histocompatibility complex-mismatched larval thymus. Eur J Immunol (1982) 0.75