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. 2004 May;186(10):2909–2920. doi: 10.1128/JB.186.10.2909-2920.2004

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Copyright © 2004, American Society for Microbiology

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FIG. 6. — LeuO participates in the regulation of ompS2. (A) Activity of ompS2 from pFM413, both in S. enterica serovar Typhi IMSS-1 (wild type [wt]) and in the IMSSTN103 insertion mutant (Tn10::leuO), at low (black bars) and high (gray bars) osmolarity. (B) PAGE profile of OMP preparations from S. enterica serovar Typhi IMSS-1 (wt) and from the IMSSTN103 insertion mutant (TN103) at low (L) and high (H) osmolarity, depicting the expression of OmpS2 (S2) from the chromosomal gene. The expression of OmpS2 from pFM97S2 was included as a control marker. The major OMPs OmpC, OmpF, and OmpA are indicated as C, F, and A, respectively. The relative abundance of the OmpS2 (S2) or OmpF (F) protein with respect to OmpA (A) is shown for some lanes and was obtained by densitometric analysis.

FIG. 6. — LeuO participates in the regulation of ompS2. (A) Activity of ompS2 from pFM413, both in S. enterica serovar Typhi IMSS-1 (wild type [wt]) and in the IMSSTN103 insertion mutant (Tn10::leuO), at low (black bars) and high (gray bars) osmolarity. (B) PAGE profile of OMP preparations from S. enterica serovar Typhi IMSS-1 (wt) and from the IMSSTN103 insertion mutant (TN103) at low (L) and high (H) osmolarity, depicting the expression of OmpS2 (S2) from the chromosomal gene. The expression of OmpS2 from pFM97S2 was included as a control marker. The major OMPs OmpC, OmpF, and OmpA are indicated as C, F, and A, respectively. The relative abundance of the OmpS2 (S2) or OmpF (F) protein with respect to OmpA (A) is shown for some lanes and was obtained by densitometric analysis.