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Neighbor-Joining phylogenetic tree based on ompB sequences of a Rickettsia sp. The ompB sequences of R. australis and R. akari were employed as an outgroup. All sequences have been denoted by their GenBank accession numbers, followed by species name and country name. The bootstrap values (1000-replications) are shown at each node. The sequence (OQ055189) of the present study has been marked with bold and underlined fonts.
