Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2022, Vol. 38 ›› Issue (4): 16-22.doi: 10.11924/j.issn.1000-6850.casb2021-0889

Special Issue: 生物技术 油料作物 园艺

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Cloning and Bioinformatics Analysis of BvM14-UNG Gene in Sugarbeet M14 Line

WANG Shenghao1,2(), YU Bing1,2()   

  1. 1Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin 150500
    2Key Laboratory of Molecular Biology, College of Heilongjiang Province/ School of Life Sciences, Heilongjiang University, Harbin 150080
  • Received:2021-09-16 Revised:2021-11-23 Online:2022-02-05 Published:2022-03-16
  • Contact: YU Bing E-mail:Wangshenghao0528@163.com;ybgirl1234@sina.com

Abstract:

To research the function of Bv-UNG protein in base excision repair (BER) pathway, the full-length cDNA of BvM14-UNG gene of sugarbeet M14 line was obtained by homologous sequence cloning method according to the sequence of UDG coding gene Bv-UNG of diploid cultivated sugarbeet on NCBI and its bioinformatics analysis was carried out. The results show that the gene encodes 374 amino acids, the BvM14-UNG protein shows strong hydrophilicity and is a soluble protein, which is mainly composed of random coils and alpha helices, and has water-activated motif, uracil binding motif, minor groove insertion loop motif, uracil glycosylase inhibitor (UGI) binding site and leucine (Leu) site. BvM14-UNG belongs to UDG-F1 family. BvM14-UNG protein is closely related to BvUNG protein, followed by CqUNG protein. This study lays a foundation for the follow-up study on BvM14-UNG enzyme activity of sugar beet M14 line in BER pathway.

Key words: sugarbeet M14 line, BvM14-UNG gene, base-excision repair (BER), gene clone, bioinformatics analysis

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