RRC ID 30603
著者 Magadán-Mompó S, Zimmerman AM, Sánchez-Espinel C, Gambón-Deza F.
タイトル Immunoglobulin light chains in medaka (Oryzias latipes).
ジャーナル Immunogenetics
Abstract The gene segments encoding antibodies have been studied in many capacities and represent some of the best-characterized gene families in traditional animal disease models (mice and humans). To date, multiple immunoglobulin light chain (IgL) isotypes have been found in vertebrates and it is unclear as to which isotypes might be more primordial in nature. Sequence data emerging from an array of fish genome projects is a valuable resource for discerning complex multigene assemblages in this critical branch point of vertebrate phylogeny. Herein, we have analyzed the genomic organization of medaka (Oryzias latipes) IgL gene segments based on recently released genome data. The medaka IgL locus located on chromosome 11 contains at least three clusters of IgL gene segments comprised of multiple gene assemblages of the kappa light chain isotype. These data suggest that medaka IgL gene segments may undergo both intra- and inter-cluster rearrangements as a means to generate additional diversity. Alignments of expressed sequence tags to concordant gene segments which revealed each of the three IgL clusters are expressed. Collectively, these data provide a genomic framework for IgL genes in medaka and indicate that Ig diversity in this species is achieved from at least three distinct chromosomal regions.
巻・号 65(5)
ページ 387-96
公開日 2013-5-1
DOI 10.1007/s00251-013-0678-9
PMID 23417322
PMC PMC4106372
MeSH Amino Acid Sequence Animals Genes, Immunoglobulin Light Chain / genetics* Genes, Immunoglobulin Light Chain / immunology Genetic Variation* Genome Molecular Sequence Data Oryzias / genetics* Oryzias / immunology Phylogeny Sequence Homology, Amino Acid
IF 2.621
引用数 8
WOS 分野 GENETICS & HEREDITY IMMUNOLOGY
リソース情報
メダカ database