Release 59
(Apr 20, 2026)

Reference # 42039699 Details:

Authors:Gervásio IC, Brito LF, Araujo AC, Fanalli SL, Silva-Vignato B, Rocha AO, Benfica LF, Fernanda de Oliveira L, Felício Ament AM, Monteiro Moreira GC, Moncau-Gadbem CT, Mello Cesar AS (Contact: alinecesar@usp.br)
Affiliation:Department of Food Science and Technology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo, São Paulo, Brazil
Title:Unraveling quantitative trait loci (QTL) overlapping epigenomic regulatory regions associated with feeding behavior in pigs
Journal:Frontiers in Genetics, 2026, 17: 1779847 DOI: 10.3389/fgene.2026.1779847
Abstract:

Introduction: Feed behavior traits are directly linked to the sustainability of pig production. This study aimed to investigate the genetic basis of feeding behavior traits in Landrace and Yorkshire pigs, focusing on genomic regions, quantitative trait loci (QTL), candidate genes, and metabolic pathways associated with these traits. Methods: Genome-wide association studies (GWAS) were performed, followed by functional enrichment analyses and integrative bioinformatics approaches to identify biologically relevant genomic regions, candidate genes, and pathways associated with feeding behavior traits. Results: Several candidate genes and transcription factors were identified, including STAT3, STAT5A, STAT5B, RARA, SMAD4, MYC, FOXP3, SP1, NOTCH1, and RXRA. In addition, strong candidate genes such as SLC22A2, CPAMD8, and NKX2-6 were highlighted as potentially influencing feeding behavior traits. Discussion: These findings improve the understanding of the genomic architecture underlying feeding behavior traits and provide valuable insights for the development of more efficient breeding programs, contributing to improved animal production efficiency and welfare.

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