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Figure 4 | BMC Genomics

Figure 4

From: Architecture of Burkholderia cepacia complex σ70 gene family: evidence of alternative primary and clade-specific factors, and genomic instability

Figure 4

Neighbor-Joining phylogenic tree of ECF σ 70 factors. The sequences were retrieved from sequenced Burkholderia genomes or the GenBank database. Within one species, when sequences were orthologs, only one sequence per sigma factor was kept. A total of 746 sites were analyzed (with pairwise deletion of gap-containing sites). Distances are proportional to evolutionary divergences expressed in substitutions per 100 sites. Bootstrap values higher than 85% are given. Distribution among other proteobacterial groups is indicated. Likely role of the identified ECF factors is indicated.

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