Figure 6.

Schematic representation of the symbiosis region. Genes described in the text are indicated by arrows; the others are not individually represented, but their number is specified in the pentagons. The symbiotic region is flanked by tRNA-Gly (triangles) and interspersed by multiple transposases and integrases (blue lines). Genes in the nodA operon are nodABCSUIJZnoeCHOP and genes in the trb operon are trbBCDEJLFGI.

Lee et al. BMC Genomics 2008 9:271   doi:10.1186/1471-2164-9-271
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