Development and evaluation of in murine model, of an improved live-vaccine candidate against brucellosis from to Brucella melitensis vjbR deletion mutant

2018 ◽  
Vol 124 ◽  
pp. 250-257 ◽  
Author(s):  
Zhiqiang Li ◽  
Shuli Wang ◽  
Hui Zhang ◽  
Li Xi ◽  
Jinliang Zhang ◽  
...  
2015 ◽  
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pp. 187 ◽  
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Yoon Mee Park ◽  
Abhijit Kashinath Barate ◽  
So-Yeon Park ◽  
Hee Jeong Park ◽  
...  

2017 ◽  
Vol 112 ◽  
pp. 148-155 ◽  
Author(s):  
Junbo Zhang ◽  
Shuanghong Yin ◽  
Dewu Yi ◽  
Hong Zhang ◽  
Zhiqiang Li ◽  
...  

Biologia ◽  
2021 ◽  
Author(s):  
Elham Mehdizadeh Marzenaki ◽  
Ali Reza Saeedinia ◽  
Mehdi Zeinoddini ◽  
Ali Asghar Deldar

2020 ◽  
Vol 101 ◽  
pp. 475-476
Author(s):  
B. Sumathi ◽  
B. Veeregowda ◽  
S. Byregowda ◽  
D. Rathnamma ◽  
S. Rajeswari ◽  
...  

2006 ◽  
Vol 74 (7) ◽  
pp. 3874-3879 ◽  
Author(s):  
Xinghong Yang ◽  
Todd Becker ◽  
Nancy Walters ◽  
David W. Pascual

ABSTRACT znuA is known to be an important factor for survival and normal growth under low Zn2+ concentrations for Escherichia coli, Haemophilus spp., Neisseria gonorrhoeae, and Pasteurella multocida. We hypothesized that the znuA gene present in Brucella melitensis 16 M would be similar to znuA in B. abortus and questioned whether it may also be an important factor for growth and virulence of Brucella abortus. Using the B. melitensis 16 M genome sequence, primers were designed to construct a B. abortus deletion mutant. A znuA knockout mutation in B. abortus 2308 (ΔznuA) was constructed and found to be lethal in low-Zn2+ medium. When used to infect macrophages, ΔznuA B. abortus showed minimal growth. Further study with ΔznuA B. abortus showed that its virulence in BALB/c mice was attenuated, and most of the bacteria were cleared from the spleen within 8 weeks. Protection studies confirmed the ΔznuA mutant as a potential live vaccine, since protection against wild-type B. abortus 2308 challenge was as effective as that obtained with the RB51 or S19 vaccine strain.


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2009 ◽  
Vol 27 (8) ◽  
pp. 1145-1153 ◽  
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Xiaobo Su ◽  
Donald Seto ◽  
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Xingui Tian ◽  
...  

2019 ◽  
Vol 231 ◽  
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Vaccine ◽  
2007 ◽  
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Peter Peschke ◽  
Ivan Zuna ◽  
Volker Ehemann ◽  
Franklin Fuentes ◽  
...  

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