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Figure 3 | BMC Evolutionary Biology

Figure 3

From: Phylogenetic detection of horizontal gene transfer during the step-wise genesis of Mycobacterium tuberculosis

Figure 3

Example of lineage specific biochemical properties mediated via the acquisition of foreign genes. A) The lipooligosaccharide (LOS) locus is represented from Rv1494 to Rv1520. A graphical representation of the GC content, across a 110 Kb DNA sequence, illustrates the GC% drop of the DNA comprising the indicated clusters of HGT. B) The phenolic glycolipid (PGL) locus is represented from Rv2949c to Rv2964. Genes colored in black are those detect as HGT. Again, a graphical representation of the GC content, across a 100 Kb DNA sequence, illustrates the GC% drop of the foreign DNA. For visual reasons, some small genes have been labeled with the two last numbers (e.g. Rv2949c has been named 49c). In all case, the genes colored in black are those detect as HGT (or HGT vehicle), and unless otherwise stated, genes are from list D.

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