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Figure 2 | BMC Bioinformatics

Figure 2

From: Origin and evolution of gene families in Bacteria and Archaea

Figure 2

a) Mean family size against genome size (N genes ) for genomes of 92 Bacteria (■) and 79 Archaea (◦), both clustered at E cut = 1e-20 and f min = 0.7. Analysis of variance showed a significant effect of N genes on (F(1, 167) = 421.54, p 0.001) and a significant interaction between N genes and taxa group (F(1, 167) = 28.27, p 0.001), indicating that the slopes for Bacteria and Archaea were significantly different. Least-squared linear regressions are thus shown separately for Bacteria (dashed line, ) and Archaea (solid line, ). (b) Total number of families (F tot ) against N genes for Bacteria and Archaea, clustered as above. Lines are the regressions from (a), defined by the relation .

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