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Case Reports
. 2006 Jul;12(7):1103-8.
doi: 10.3201/eid1207.051494.

Rickettsia sibirica isolation from a patient and detection in ticks, Portugal

Affiliations
Case Reports

Rickettsia sibirica isolation from a patient and detection in ticks, Portugal

Rita de Sousa et al. Emerg Infect Dis. 2006 Jul.

Abstract

We report the first isolation of Rickettsia sibirica (strain mongolotimonae) from the blood of a patient and detection by polymerase chain reaction (PCR) of the rickettsia in a Rhipicephalus pusillus tick collected from a dead mongoose (Herpestes ichneumon) in the Alentejo region, Portugal. We describe also the first PCR detection of a new Rickettsia strain that is related to R. sibirica.

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Figures

Figure 1
Figure 1
Site of tick collection in the Alentejo region.
Figure 2
Figure 2
Unrooted consensus tree inferred from 1,000 replicated trees based on partial ompA gene sequence. Evolutionary distances were estimated by the Kimura 2-parameter model, and phylogenetic relationships were assessed by neighbor-joining method. Bootstrap values are indicated at the nodes. Branches with bootstrap values <50% are collapsed. Portuguese Rickettsia strains are indicated by boldface type. GenBank accession numbers are indicated for each rickettsia.

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