ArticleGenes2026
Genomic Profiling of Antibody Repertoire in Rongchang Pigs Uncovers Conserved V(D)J Gene Usage and Breed-Specific Diversification.
Article in Genes, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPigs are economically critical livestock andan optimal model for investigating the development and diversification of antibody repertoires. The Rongchang (RC) pig, a nationally protected indigenous breed in China, possesses unique genetic characteristics, yet genomic-level research on its antibody repertoire remains limited, as most porcine antibody studies have focused on Landrace pigs.
methodsTo decipher the genetic features of the antibody library in RC pigs, we used immunogenomic high-throughput sequencing to systematically analyze the antibody repertoires of five healthy purebred pig breeds, including two indigenous breeds (RC and BM) and three commercial breeds (Yorkshire, Duroc, and Landrace), with a focus on comparing conserved patterns and breed-specific differences in V(D)J gene utilization between Rongchang pigs and the other four breeds.
resultsAll five breeds exhibited a strong preference for a conserved subset of core
conclusionsThese results clarify the conserved and breed-specific characteristics of RC pig antibody repertoires, establishing a basis for exploring the genetic regulation of V(D)J-mediated antibody repertoire changes under varied immune conditions. This work also provides genomic support for the rational utilization of RC pig genetic resources.
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