Designated as WOAH Reference Laboratory for Brucellosis at 77th WOAH general session in May, 2009.
Dr. Jin-Ju Lee
[Animal and Plant Quarantine Agency]
Bacterial Disease Division
[Animal and Plant Quarantine Agency]
The development of a selective medium for the Brucella abortus strains and its comparison with the currently recommended and used medium(2012-01-10) | |||||
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Part | Animal and Plant Health Research | Charger | Moon Her | date | 2012-01-10 |
Her M*, Cho DH, Kang SI, Cho YS, Hwang IY, Bae YC, Yoon H, Heo YR, Jung SC, Yoo H. 2010. The development of a selective medium for the Brucella abortus strains and its comparison with the currently recommended and used medium. Diagn Microbiol Infect Dis. 67(1):15-21 AbstractThe Brucella spp. are fastidious and relatively slow-growing organisms. The isolation of such strains in a variety of specimens often requires the use of a selective medium to reduce or eliminate the growth of unexpected microorganisms. The modified Brucella selective (MBS) medium, which contains improved antibiotic mixtures, erythritol as the only carbon source, and neutral red as a pH indicator, showed good selectivity for the Brucella abortus strains, including the RB51 vaccine strain. Erythritol in the MBS medium was able to promote and/or recover the delayed growth of the B. abortus strains through the antibiotic mixtures. The Brucella colonies, which assumed a pinkish color at their central part, were easily differentiated from other organisms. The MBS medium also allows the isolation of the Brucella strains even in contaminated specimens and/or in specimens containing small numbers of viable organisms. Moreover, this medium can be applied to environmental samples for the isolation of the Brucella strains, and it can thus offer epidemiologic traceback sources for the dissemination or transfer of diseases. Therefore, the MBS medium can be applied as a useful tool of important control measures in the eradication programs. |
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