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. 1998 Nov;180(21):5739–5748. doi: 10.1128/jb.180.21.5739-5748.1998

FIG. 1.

FIG. 1

Colony phenotypes of strain SG1001 (agpA::TnphoA). Strain SG1001 (agpA::TnphoA)/pRmJT5 on LB XP indicator plates with (A) and without (B) tetracycline. Plasmid pRmJT5 is not stably maintained without tetracycline, and its loss allows the generation of sectors containing bacteria which express the agpA::TnphoA fusion. (C and D) Strain SG1001 (agpA::TnphoA) and strain SG1001 (agpA::TnphoA)/pMB89 on LB XP indicator plates, respectively. syrA is overexpressed from pMB89, resulting in downregulation of the agpA::TnphoA fusion.