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. 2010 May 7;5(5):e10536. doi: 10.1371/journal.pone.0010536

Figure 1. Grouping of IPI-O peptide sequences into multiple clusters.

Figure 1

This dendrogram shows hierarchical clustering of deduced amino acid sequences of IPI-O variants identified from 16 P. infestans isolates from Guatemala (beginning with numbers), 16 isolates from Thailand (beginning with CMSS, CMPh, or TKPP), and 8 from the United States (beginning with US). Previously identified IPI-O sequences (O1-O13) were also included. The “*” indicates the IPI-O1, IPI-O2, IPI-O3, and IPI-O4 clusters, which are linked to the dendogram by dotted lines. Branch lengths (solid lines) were not altered and represent the evolutionary distances used to deduce the tree. Bootstrap values ≥50% from 1000 replications are shown at the nodes.