PMID- 36553577 OWN - NLM STAT- MEDLINE DCOM- 20221226 LR - 20230109 IS - 2073-4425 (Electronic) IS - 2073-4425 (Linking) VI - 13 IP - 12 DP - 2022 Dec 8 TI - Detection of Selection Signatures in Anqing Six-End-White Pigs Based on Resequencing Data. LID - 10.3390/genes13122310 [doi] LID - 2310 AB - As a distinguished Chinese indigenous pig breed that exhibits disease resistance and high meat quality, the Anqing six-end-white (AQ) pig represents a valuable germplasm resource for improving the quality of the pig breeding industry. In this study, 24 AQ pigs that were distantly blood-related and 6 Asian Wild Boar (AWB) were selected for 10x deep-genome resequencing. The signatures of the selection were analyzed to explore the genetic basis of their germplasm characteristics and to identify excellent germplasm-related functional genes based on NGS data. A total of 49,289,052 SNPs and 6,186,123 indels were detected across the genome in 30 pigs. Most of the genetic variations were synonym mutations and existed in the intergenic region. We identified 275 selected regions (top 1%) harboring 85 genes by applying a crossover approach based on genetic differentiation (F(ST)) and polymorphism levels (pi ratio). Some genes were found to be positively selected in AQ pigs' breeding. The SMPD4 and DDX18 genes were involved in the immune response to pseudorabies virus (PRV) and porcine reproductive and respiratory syndrome virus (PRRSV). The BCL6 and P2RX6 genes were involved in biological regulation of immune T cells and phagocytes. The SLC7A4 and SPACA4 genes were related to reproductive performance. The MSTN and HIF1A genes were related to fat deposition and muscle development. Moreover, 138 overlapping regions were detected in selected regions and ROH islands of AQ pigs. Additionally, we found that the QTLs with the most overlapping regions were related to back fat thickness, meat color, pH value, fatty acid content, immune cells, parasitic immunity, and bacterial immunity. Based on functional enrichment analysis and QTLs mapping, we conducted further research on the molecular genetic basis of germplasm traits (disease resistance and excellent meat quality). These results are a reliable resource for conserving germplasm resources and exploiting molecular markers of AQ pigs. FAU - Chen, Yige AU - Chen Y AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Wu, Xudong AU - Wu X AD - Anhui Provincial Key Laboratory of Livestock and Poultry Product Safety Engineering, Institute of Animal Husbandry and Veterinary Medicine, Anhui Academy of Agricultural Sciences, Hefei 230031, China. FAU - Wang, Jinglin AU - Wang J AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Hou, Yinhui AU - Hou Y AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Liu, Ying AU - Liu Y AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Wang, Bo AU - Wang B AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Hu, Xiaojing AU - Hu X AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Zheng, Xianrui AU - Zheng X AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Zhang, Xiaodong AU - Zhang X AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Ding, Yueyun AU - Ding Y AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. FAU - Yin, Zongjun AU - Yin Z AD - College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20221208 PL - Switzerland TA - Genes (Basel) JT - Genes JID - 101551097 SB - IM MH - Swine/genetics MH - Animals MH - *Sus scrofa/genetics MH - *Disease Resistance/genetics MH - Sequence Analysis, DNA MH - Phenotype MH - Quantitative Trait Loci/genetics PMC - PMC9777694 OTO - NOTNLM OT - Anqing six-end-white pig OT - gene enrichment analyses OT - genetic diversity OT - positive selection OT - single nucleotide polymorphism COIS- The authors declare no conflict of interest. EDAT- 2022/12/24 06:00 MHDA- 2022/12/27 06:00 PMCR- 2022/12/08 CRDT- 2022/12/23 01:22 PHST- 2022/11/15 00:00 [received] PHST- 2022/12/02 00:00 [revised] PHST- 2022/12/04 00:00 [accepted] PHST- 2022/12/23 01:22 [entrez] PHST- 2022/12/24 06:00 [pubmed] PHST- 2022/12/27 06:00 [medline] PHST- 2022/12/08 00:00 [pmc-release] AID - genes13122310 [pii] AID - genes-13-02310 [pii] AID - 10.3390/genes13122310 [doi] PST - epublish SO - Genes (Basel). 2022 Dec 8;13(12):2310. doi: 10.3390/genes13122310.