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. 2015 Aug 11;10(8):e0135310. doi: 10.1371/journal.pone.0135310

Fig 3. Minimum spanning tree of 142 Psa strains obtained by MLVA6—Panel 1.

Fig 3

The MST was obtained by Bionumerics 7.5 analyzing the whole complex of strains on the basis of the six Panel 1 VNTR loci. Each circle represents a group of strains with identical MLVA haplotype and its dimension is proportional to the number of strains included. The grey shaded areas represent the clonal complexes (CC), defined as groups of strains connected with maximum branch length of one. The CCs and singletons circumscribed by dashed lines enclose strains of the main geographical groups: China, Japan and Korea. The red circles enclose the strains that engendered the former definition of 4 Psa biovars.