Author affiliations: Université de la Méditerranée, Marseille, France (F. Fenollar, J.-F. Trape, H. Bassene, C. Sokhna, D. Raoult); Pôle de Maladies Infectieuses, Marseille (F. Fenollar, D. Raoult); Institut de Recherche pour le Développement, Dakar, Senegal (J.-F. Trape, H. Bassene, C. Sokhna, D. Raoult)
Figure 2. Dendrogram constructed using the unweighted pair group method with arithmetic mean showing the phylogenetic diversity of 42 genotypes from the 78 Tropheryma whipplei strains detected in 18 healthy children (gray squares) in Senegal, 39 adults in whom Whipple disease was diagnosed (white squares), and 21 symptomatic carrier adults (including 11 sewer workers; black squares) from Europe. Phylogeny assembly was based on the sequences of 4 variable sequences, which were concatenated to construct the dendrogram.
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