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Figure 1 | BMC Genomics

Figure 1

From: Changes in the genomic content of circulating Bordetella pertussis strains isolated from the Netherlands, Sweden, Japan and Australia: adaptive evolution or drift?

Figure 1

The frequency at which regions of difference (RD) are present in B. pertussis clinical strains isolated in 6 different countries between 1949 and 2008. Histogram of the average gene content of all 171 B. pertussis strains analyzed. Bars indicate the presence percentage of the gene or geneclusters (RDs).

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