Integration of ATAC-Seq, Transcriptomic, and Proteomics Reveals the Molecular Mechanism of Intramuscular Fat Deposition and Meat Tenderness Regulation in Pig Breeds.

ABSTRACT: Pork is one of the most widely consumed meats worldwide, with tenderness and intramuscular fat (IMF) content serving as key determinants of consumer acceptance. The rising demand for high-quality pork underscores the need to better understand the molecular mechanisms regulating IMF deposition and meat tenderness. In this study, we systematically examined the tenderness and IMF in the Longissimus dorsi (LD) muscle of 104 eight-month-old Songliao black pigs and Leixiang pigs raised under identical conditions. In addition, three pigs from each breed were randomly selected for multi-omics analyses, including Assay for Transposase-Accessible Chromatin sequencing (ATAC-seq), transcriptomics, and proteomics to elucidate the molecular networks underlying IMF deposition and tenderness. We id

SUBMITTER: Zhang Y 

PROVIDER: S-EPMC12730270 | biostudies-literature | 2025 Dec

REPOSITORIES: biostudies-literature