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Figure 4 | BMC Microbiology

Figure 4

From: Members of the Sinorhizobium meliloti ChvI regulon identified by a DNA binding screen

Figure 4

Transcriptional fusion assays and the rhizobactin operon. (A) GusA activities were measured for fusions in genes rhtX, rhbB and rhbF in wild-type (Rm1021) and chvI261 mutant (SmUW38) strain backgrounds. (B) The rhizobactin genes are clustered in one operon, F1 F2 and F3 represent the positions of the fusions to rhtX, rhtB, and rhbF respectively. The grey boxes (B1 and B2) represent the possible position for ChvI binding, and P1 and P2 are predicted promoters.

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