Animal Husbandry and Feed Science ›› 2020, Vol. 41 ›› Issue (5): 91-95.doi: 10.12160/j.issn.1672-5190.2020.05.017

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Genome-wide Sequencing and Analysis for Brucella Rev.1Vaccine Strain

YU Huan-yu1, ZHANG Zhi-dan1, LIU Jian-qi2, ZHAO Dan-tong2, ZHAO Li-xia2, LIU Guo-ying2, SONG Qing-qing2, WANG Guo-hua3, PAN Xiang-chen3, LIU Dong-dong3, TIAN Pu-hou3, SHI Shun-li4, GUAN Ping-yuan1   

  1. 1.College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China;
    2.National Engineering Laboratory for Veterinary Vaccine, The Spirit Jinyu Biological Pharmaceutical Co., Ltd., Hohhot 010030, China;
    3.Inner Mongolia Bigvet Biotech Co., Ltd., Hohhot 011500, China;
    4.Livestock Breeding Guide Station of Tongliao City of Inner Mongolia, Tongliao 028000, China
  • Received:2020-09-08 Published:2020-10-21

Abstract: In order to promote the research and development of Brucella Rev.1 vaccine and related vaccines, the nucleic acid of the Brucella Rev.1 vaccine strain was extracted, and the genome-wide sequencing for Brucella Rev.1 vaccine strain was carried out and analyzed through PacBio platform. The results showed that the full-length genome of the Brucella Rev.1 vaccine strain was 3 299 187 bp, and the G+C content was 57.2%; two circular genomes of chromosome 1 and chromosome 2 were assembled; the size of chromosome 1 and chromosome 2 was 2 121 370 bp and 1 177 817 bp, respectively, and the G+C content of chromosome 1 and chromosome 2 was 57.2% and 57.3%, respectively. The sequences of Ery, BLS and VirB10 genes of the Brucella Rev.1 vaccine strain were bioinformatically compared and analyzed with their counterparts of 9 Brucella reference strains, and the sequence similarity among those genes were observed, ranging from 97.4% to 100%.

Key words: Brucella, Brucella Rev.1 vaccine strain, genome-wide sequencing, gene sequence comparison

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