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Physical map of the asgE locus. Boxes show the locations of the indicated open reading frames, and the arrows show their predicted direction of transcription. Black triangles mark the locations of lacZ reporter gene fusions Ω5003 and Ω5005; the gray triangle shows the location of the orf2 insertion in strain MS2020. The broadened black line represents the 1-kb fragment of the asgE gene that was used as a probe for RNA slot blot analysis.
