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Mol Imaging Biol. 2016 Aug;18(4):519-26. doi: 10.1007/s11307-015-0925-6.

Bioluminescence Imaging of Colonization and Clearance Dynamics of Brucella Suis Vaccine Strain S2 in Mice and Guinea Pigs.

Author information

1
Key Laboratory of Jinlin Province for Zoonosis Prevention and Control, Military Veterinary Institute, AMMS, Changchun, 130122, China.
2
Key Laboratory of Jinlin Province for Zoonosis Prevention and Control, Military Veterinary Institute, AMMS, Changchun, 130122, China. qianj1970@126.com.
3
Key Laboratory of Jinlin Province for Zoonosis Prevention and Control, Military Veterinary Institute, AMMS, Changchun, 130122, China. ammszipxia@163.com.

Abstract

PURPOSE:

The goal of this study was to develop a plasmid-based lux bio-reporter for use to obtain in vivo images of Brucella suis vaccine strain 2 (B.suis S2) infection with high resolution and good definition.

PROCEDURES:

The pBBR-lux (pBBR1MCS-2-lxCDABE) plasmid that carries the luxCDABE operon was introduced into B. suis S2 by electroporation yielding B. suis S2-lux. The spatial and temporal transit of B. suis S2 in mice and guinea pigs was monitored by bioluminescence imaging.

RESULTS:

The plasmid pBBR-lux is stable in vivo and does not appear to impact the virulence or growth of bacteria. This sensitive luciferase reporter could represent B. suis S2 survival in real time. B. suis S2 mainly colonized the lungs, liver, spleen, and uterus in mice and guinea pigs as demonstrated by bioluminescence imaging.

CONCLUSION:

The plasmid-based lux bioreporter strategy can be used to obtain high resolution in vivo images of B. suis S2 infection in mice and guinea pigs.

KEYWORDS:

Animal model; Bioluminescent imaging; Brucella suis S2

PMID:
26846129
DOI:
10.1007/s11307-015-0925-6
[Indexed for MEDLINE]

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