ArticleBMC genomics2023
Introgression of pigs in Taihu Lake region possibly contributed to the improvement of fertility in Danish Large White pigs.
Article in BMC genomics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 9 citations in OpenAlex.
- Pre-divergence hybridization and adaptive introgression shaped the genetic architecture of East Asian domestic pigs.Science China. Life sciences · 2026Article
- Integrated multi-population selection-signature scans identify putative functional genes influencing litter size in jishen black pigs.BMC genomics · 2026Article
- Whole-genome selective sweep analysis of Danish Large White and Chinese indigenous pig populations.Animal biotechnology · 2025Article
- Gut microbiota-derived short-chain fatty acids promote follicular maturation via gWAT-ovary axis in mammals.Microbiome · 2025Article
- The impact of haplotypes derived from Chinese pigs on genetic variation and economic traits in the Duroc breed.Genetics, selection, evolution : GSE · 2025Article
- Investigating the genetic imprint of long body length, high lean meat rate, high fertility and long gestation period in Danish Landrace pigs.BMC genomics · 2025Article
- Local Climate Adaptation in Chinese Indigenous Pig Genomes.Animals : an open access journal from MDPI · 2025Article
- Integration ATAC-Seq and RNA-Seq Analysis of Mammary Placodes in Erhualian and Bamaxiang Pigs Identified Candidate Genes Influencing Pig Teat Number Variation.Evolutionary applications · 2025Article
- Combined metabolome and transcriptome analysis provides molecular insights into reproductive process in Chuanxiang Black and Landrace pigs.Frontiers in genetics · 2025Article
- Whole genome resequencing reveals the correlation between selection signatures and adaptability of Micropterus salmoides to artificial fed.Scientific reports · 2024Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundEurasian pigs have undergone lineage admixture throughout history. It has been confirmed that the genes of indigenous pig breeds in China have been introduced into Western commercial pigs, providing genetic materials for breeding Western pigs. Pigs in Taihu Lake region (TL), such as the Meishan pig and Erhualian pig, serve as typical representatives of indigenous pig breeds in China due to their high reproductive performances. These pigs have also been imported into European countries in 1970 and 1980 s. They have played a positive role in improving the reproductive performances in European commercial pigs such as French Large White pigs (FLW). However, it is currently unclear if the lineage of TL pigs have been introgressed into the Danish Large White pigs (DLW), which are also known for their high reproductive performances in European pigs. To systematically identify genomic regions in which TL pigs have introgressed into DLW pigs and their physiological functions, we collected the re-sequencing data from 304 Eurasian pigs, to identify shared haplotypes between DLW and TL pigs.
resultsThe findings revealed the presence of introgressed genomic regions from TL pigs in the genome of DLW pigs indeed. The genes annotated within these regions were found to be mainly enriched in neurodevelopmental pathways. Furthermore, we found that the 115 kb region located in SSC16 exhibited highly shared haplotypes between TL and DLW pigs. The major haplotype of TL pigs in this region could significantly improve reproductive performances in various pig populations. Around this genomic region, NDUFS4 gene was highly expressed and showed differential expression in multiple reproductive tissues between extremely high and low farrowing Erhualian pigs. This suggested that NDUFS4 gene could be an important candidate causal gene responsible for affecting the reproductive performances of DLW pigs.
conclusionsOur study has furthered our knowledge of the pattern of introgression from TL into DLW pigs and the potential effects on the fertility of DLW pigs.
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