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. 1999 Dec 21;96(26):15196–15201. doi: 10.1073/pnas.96.26.15196

Figure 3.

Figure 3

(A) Effect of media preconditioned (PC) by growth with EPEC strain E2348/69, VS81 (E2348/69 luxS−) or VS82 (VS81 luxS+) on EHEC and EPEC promoters. LEE1eh denotes LEE1∷lacZ fusion with the LEE1 operon of EHEC strain 86-24h11; all other fusions were with EPEC strain E2348/69 operons. All fusions were tested in MC4100. (B) SDS/PAGE (12%) analysis of secreted proteins from luxS mutant. Equal volumes of supernatant preparations were added to each lane: E2348/69; VS81 (E2348/69 luxS−); VS82 (VS81 complemented with cloned luxS).