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. 2010 Apr 8;6(4):e1000855. doi: 10.1371/journal.ppat.1000855

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Nübel et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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This figure shows the spatial spread of ST225, inferred for successive time windows by applying the SeqTrack algorithm. Each arrow represents an inferred ancestry, pointing from the ancestor to its descendent. Local ancestries are represented by colored dots for single isolates and dots with additional segments representing multiple ancestry events (one segment per isolate). Cumulative numbers of isolates are indicated with blue bubbles.