China Animal Husbandry and Veterinary Medicine ›› 2021, Vol. 48 ›› Issue (3): 975-981.doi: 10.16431/j.cnki.1671-7236.2021.03.021

• Genetics and Breeding • Previous Articles     Next Articles

Analysis of Polymorphism and Expression Profile of PBD-110 Gene in Pigs with Different Genetic Background

LIU Yanguang1,2, LUO Xinhui1, LIU Jianqiang1, JIA Qi1,2, XIAO Cheng1, CAO Yang1, JIN Haiguo1, ZHANG Lichun1,2   

  1. 1. Institute of Animal Biotechnology, Jilin Academy of Agricultural Sciences, Gongzhuling 136100, China;
    2. College of Agronomy, Yanbian University, Yanji 133002, China
  • Received:2020-09-08 Online:2021-03-20 Published:2021-03-18

Abstract: In order to explore the polymorphism and tissue expression of porcine β-defensin 110 (PBD-110) gene,the CDS region and intron regions of PBD-110 gene were amplified in crossbred from wild boars,Min pigs and Large White pigs.Finally,the difference of tissue expression in liver and spleen of the three populations was explored by Real-time quantitative PCR method.The results showed that porcine PBD-110 gene CDS region and intron regions were amplified.Sequencing confirmed that there were no mutation sites in CDS region and genomic PCR product sequencing found that C314T mutation in intron 1.Polymorphism analysis showed that CC was the dominant genotype,and the genotype frequency were 0.750,0.781 and 0.516,respectively.Hardy-Weinberg equilibrium test also showed that the locus was in equilibrium and moderately or lowly polymorphic (0.25 < PIC < 0.5;PIC<0.25) in three populations.The results of expression profile analysis showed that PBD-110 gene was expressed in liver and spleen of three populations of pigs,and there were different expression pattern.PBD-110 gene might play an important role in innate immunity.

Key words: Large White pigs; Min pigs; crossbred from wild boars; PBD-110 gene; polymorphism; tissue expression

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