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Dendrogram obtained from a 317-nucleotide fragment of the variable domain of the 23S rRNA gene of Chlamydia spp., constructed using the neighbour-joining method and the Jukes and Cantor model. Eleven reference strains of Chlamydia spp. and the chlamydial species found in the present study (bolded bullet points) are shown. The bootstrap values (10 000 pseudoreplicates) are indicated at the branch nodes.
