China Animal Husbandry and Veterinary Medicine ›› 2023, Vol. 50 ›› Issue (9): 3449-3458.doi: 10.16431/j.cnki.1671-7236.2023.09.001

• Biotechnology • Previous Articles     Next Articles

Functional Analysis, Core Promoter Screening and Transcription Factors Prediction of PERP1 Gene in Chickens

CHEN Lin1,2, WANG Jiaxiang1, WU Yan2, PI Jinsong2, ZHANG Ying1,2, LI Chengfeng3   

  1. 1. School of Animal Science, Yangtze University, Jingzhou 434025, China;
    2. Animal Husbandry and Veterinary Research Institute, Hubei Academy of Agricultural Sciences, Hubei Provincial Key Laboratory of Animal Embryo Engineering and Molecular Breeding, Wuhan 430064, China;
    3. Hubei Shendan Health Food Co., Ltd., Wuhan 432600, China
  • Received:2023-02-13 Online:2023-09-05 Published:2023-08-24

Abstract: 【Objective】 The purpose of this study was to investigate the regulatory role and expression mechanism of TP53 apoptotic effector factor (PERP1) in follicular development.【Method】 Using ovarian tissue of laying hens as material,the full length sequence of the CDS region of PERP1 gene in laying hens was cloned,and an overexpression vector of the PERP1 gene was constructed.The relative expression of PERP1 gene,proliferation and apoptosis related genes BCL2 and c-Myc,and oxidative stress related genes SOD2 and CAT after transfection were detected using Real-time quantitative PCR.Three online bioinformatics analysis software were used to predict the core promoter region of PERP1 gene in chicken,and six promoter deletion primers were designed according to the prediction results.Using blood tissues of laying hens as materials,six promoter deletion fragments of PERP1 gene 5 '-UTR were cloned and recombinant plasmids were constructed,and the location of the promoter active region was verified by Luciferase reporter gene test.Use four transcription factor online prediction software to predict and analyze transcription factors in the promoter active region.【Result】 This study successfully obtained the full length sequence of the CDS region of PERP1 gene in chicken and constructed an overexpression vector for PERP1 gene.After overexpression of PERP1 gene, compared with control group, the anti apoptotic gene BCL2 and proliferative gene c-Myc were significantly downregulated (P<0.01),while the relative expression of antioxidant stress genes CAT and SOD2 were not significantly different (P>0.05).The results of bioinformatics software prediction and Luciferase report vector test showed that the core promoter of PERP1 gene was located upstream of the CDS region (―441/―71 bp).The transcription factor prediction results revealed 13 candidate transcription factors,including Sp1,ZEB1,Zic3,c-Jun,AP-2alpha,AP-1,NF-1,c/EBPalp,Adf-1,HNF-3,CACCC-bi,c-Myc,and Smad4.【Conclusion】 The PERP1 gene had the function of promoting granulosa cell apoptosis,and regulating its expression was of great significance for follicular development.

Key words: chickens; PERP1 gene; core promoter; granulosa cell; transcription factors

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