ArticleImmunogenetics2015
Characterization of the torafugu (Takifugu rubripes) immunoglobulin heavy chain gene locus.
Article in Immunogenetics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- Ancestral reconstruction reveals catalytic inactivation of activation-induced cytidine deaminase concomitant with cold water adaption in the Gadiformes bony fish.BMC biology · 2022Article
- Molecular characterization of a new IgZ3 subclass in common carp (Cyprinus carpio) and comparative expression analysis of IgH transcripts during larvae development.BMC veterinary research · 2021Article
- High-Throughput Sequencing of the Expressed Torafugu (Frontiers in immunology · 2018Article
- Fish Immunoglobulins.Biology · 2016Review
- Selective Manipulation of the Gut Microbiota Improves Immune Status in Vertebrates.Frontiers in immunology · 2015Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this study, we investigated the immunoglobulin heavy (IGH) gene locus of torafugu (Takifugu rubripes) from publicly available assembly sequences and presented an annotated locus map, including the IGHV genes, pseudogenes, and IGHC genes. Three new IGHV gene families (IGHV3-IGHV5) were discovered. We observed the interspersion of IGHV1 and IGHV2 family members and that they often intermingled with each other, while other family members were further interspersed. Conservation of the promoter and recombination signal sequences (RSS) was observed in a family-specific manner. In addition to known variable region genes present on chromosome 5 (current torafugu genome assembly), we found 34 additional IGHV genes on scaffold 287 and three novel potentially functional IGHD genes on scaffold 483. In total, the variable region of the torafugu IGH locus consists of at least 48 IGHV genes, seven IGHD genes, and six IGHJ genes. IGHC genes have also been mapped in this study, with three genes encoding immunoglobulin classes: IgT, IgM, and IgD. We confirmed the expression of newly identified IGHV3 family sequences in the spleen and kidney of adult torafugu and found a favorable IGHV segment usage by IgM and IgT. Possible structural variation in the IGHδ locus was observed based on the current torafugu assembly. The complete characterization of the torafugu IGH locus will facilitate detailed studies of large-scale mechanisms associated with the recombination of the variable region genes and will offer insights into the genetic basis of the potential diversity in the antibody response observed in torafugu.
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