[1]马晓菁,易新萍,付湘芸,等.羊种布鲁氏菌Rev.1疫苗株VirB12基因缺失株的构建及鉴定[J].中国预防兽医学报,2017,(10):794-798.[doi:10.3969/j.issn.1008-0425.201702033]
 MA Xiao-jing,YI Xin-ping,Fu Xiang-yun,et al.Construction and identification of Brucella melitensis Rev.1-ΔVirB12 mutant[J].Chinese journal of preventive veterinary medicine,2017,(10):794-798.[doi:10.3969/j.issn.1008-0425.201702033]
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羊种布鲁氏菌Rev.1疫苗株VirB12基因缺失株的构建及鉴定()
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《中国预防兽医学报》[ISSN:1008-0589/CN:23-1417/S]

卷:
期数:
2017年10
页码:
794-798
栏目:
病原生物学
出版日期:
2017-10-15

文章信息/Info

Title:
Construction and identification of Brucella melitensis Rev.1-ΔVirB12 mutant
文章编号:
1008-0589(2017)10-0794-05
作者:
 

马晓菁1易新萍1付湘芸2叶 锋1谷文喜1刘 帅2马俊杰1钟 旗1*

 (1. 新疆畜牧科学院 兽医研究所,新疆 乌鲁木齐 830011;2. 新疆农业大学,新疆 乌鲁木齐 830052)
Author(s):
 

MA Xiao-jing1 YI Xin-ping1 Fu Xiang-yun2 YE Feng GU Wen-xi1 LIU Shuai2MA Jun-jie1 ZHONG Qi1*

 (1. Institute of Veterinary Medicine, Xinjiang Academy of Animal Science, Urumqi 830011, China;
2. College of Animal Medicine, Xinjiang Agricultural University, Urumqi 830052, China)
关键词:
羊种布鲁氏菌Rev.1突变株构建
Keywords:
Brucella melitensis  Rev.1  mutant  construction
分类号:
S852.61
DOI:
10.3969/j.issn.1008-0425.201702033
文献标志码:
A
摘要:
为获得毒力较弱且能够区分疫苗免疫与自然感染的羊种布鲁氏菌候选疫苗株,本研究构建羊种布鲁氏菌Rev.1疫苗株VirB12基因缺失突变株。分别扩增Rev.1疫苗株VirB12基因上下游同源臂序列以及卡那霉素抗性基因,采用融合PCR方法将3个基因片段连接构建突变盒,连接至pMD19-T载体,电转化入布鲁氏菌Rev.1感受态细胞筛选阳性克隆,获得Rev.1-ΔVirB12突变株。Rev.1-ΔVirB12连续传代15代未发生回复突变。羊种布鲁氏菌疫苗株Rev.1-ΔVirB12的构建为羊种布鲁氏菌疫苗研制奠定了基础。
  
Abstract:
To obtain a candidate vaccine strain of Brucella which was less virulent and capable of distinguishing between vaccine immunity and natural infection, a VirB12 gene deletion mutant of Brucell amelitensis Rev.1 vaccine strain was constructed. The upstream and downstream homology arms of VirB12 were fused with Kanamycin resistance gene cloned from pUC-19K by fusion PCR. The pMD-kan-VirB12 constructed with T vector was introduced into Brucell amelitensis Rev.1 by electroporation, and Rev.1-ΔVirB12 mutant was obtained. Loss of the gene encoding VirB12 and replacement of the marker gene were confirmed within 15 serial passages. The research showed that Rev.1-ΔVirB12 mutant strain will provide fundamental basis for developing a new vaccine of Brucella melitensis.

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(本文编辑:李 爽)

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更新日期/Last Update: 2017-11-06