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Molecular detection and characterization of Brucella species in raw informally marketed milk from Uganda.


ABSTRACT: This study identified and characterized Brucella species in the informal milk chain in Uganda. A total of 324 cattle bulk milk samples were screened for the genus Brucella by real-time PCR with primers targeting the bcsp31 gene and further characterized by the omp25 gene. Of the samples tested, 6.5% were positive for Brucella species. In the omp25 phylogeny, the study sequences were found to form a separate clade within the branch containing B. abortus sequences. The study shows that informally marketed cattle milk in Uganda is a likely risk factor for human brucellosis and confirms that B. abortus is present in the cattle population. This information is important for potential future control measures, such as vaccination of cattle.

SUBMITTER: Hoffman T 

PROVIDER: S-EPMC5107632 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Molecular detection and characterization of <i>Brucella</i> species in raw informally marketed milk from Uganda.

Hoffman Tove T   Rock Kim K   Mugizi Denis Rwabiita DR   Muradrasoli Shaman S   Lindahl-Rajala Elisabeth E   Erume Joseph J   Magnusson Ulf U   Lundkvist Åke Å   Boqvist Sofia S  

Infection ecology & epidemiology 20161111


This study identified and characterized <i>Brucella</i> species in the informal milk chain in Uganda. A total of 324 cattle bulk milk samples were screened for the genus <i>Brucella</i> by real-time PCR with primers targeting the <i>bcsp31</i> gene and further characterized by the <i>omp25</i> gene. Of the samples tested, 6.5% were positive for <i>Brucella</i> species. In the <i>omp25</i> phylogeny, the study sequences were found to form a separate clade within the branch containing <i>B. abortu  ...[more]

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