PubMedCrossRef 29. Tucker DL, Tucker N, Ma Z, Foster JW, Miranda RL, Cohen PS, Conway T: Genes of the GadX-GadW regulon in Selleckchem Selumetinib Escherichia coli. J Bacteriol 2003,185(10):3190–3201.PubMedCrossRef 30. Di Masi

DR, White JC, Schnaitman CA, Bradbeer C: Transport of vitamin B12 in Escherichia coli: common receptor sites for vitamin B12 and the E colicins on the outer membrane of the cell envelope. J Bacteriol 1973,115(2):506–513.PubMed 31. Riley MA: Positive selection for colicin diversity in bacteria. Mol Biol Evol 1993,10(5):1048–1059.PubMed 32. James R, Kleanthous C, Moore GR: The biology of E colicins: paradigms and paradoxes. Microbiology 1996,142(Pt 7):1569–1580.PubMedCrossRef 33. Kadner RJ: Repression of synthesis of the vitamin B12 receptor in Escherichia CP673451 coli. J Bacteriol 1978,136(3):1050–1057.PubMed 34. Kurisu G, Zakharov SD, Zhalnina MV, Bano S, Eroukova VY, Rokitskaya TI, Antonenko YN, Wiener MC, Cramer WA: The structure of BtuB

with bound colicin E3 R-domain implies a translocon. Nat Struct Biol 2003,10(11):948–954.PubMedCrossRef 35. Lazdunski C, Bouveret E, Rigal A, Journet L, Lloubes R, Benedetti H: Colicin import into Escherichia coli cells requires the proximity of the inner and outer membranes and other factors. Int J Med Microbiol 2000,290(4–5):337–344.PubMed 36. Lazdunski CJ, Bouveret E, Rigal A, Journet L, Lloubes R, Benedetti H: Colicin import into Escherichia coli cells. J Bacteriol 1998,180(19):4993–5002.PubMed 37. Isnard M, Rigal A, Lazzaroni JC, Lazdunski C, Lloubes R: Maturation and localization of the TolB protein required for colicin import. J Bacteriol

1994,176(20):6392–6396.PubMed 38. Jeanteur D, Schirmer selleckchem T, Fourel D, Simonet V, Rummel G, Widmer C, Rosenbusch JP, Pattus F, Pages JM: Structural and functional alterations of a colicin-resistant mutant of OmpF porin from Escherichia coli. Proc Natl Acad Sci USA 1994,91(22):10675–10679.PubMedCrossRef 39. Miller JH: Experiments in molecular genetics. Cold Spring Harbor Laboratory, Cold Spring Harbor, NY; 1972. 40. Franklund CV, Kadner RJ: Multiple transcribed elements control expression of the Escherichia coli btuB gene. J Bacteriol 1997,179(12):4039–4042.PubMed Vitamin B12 41. Lundrigan MD, Koster W, Kadner RJ: Transcribed sequences of the Escherichia coli btuB gene control its expression and regulation by vitamin B12. Proc Natl Acad Sci USA 1991,88(4):1479–1483.PubMedCrossRef 42. Tramonti A, De Canio M, De Biase D: GadX/GadW-dependent regulation of the Escherichia coli acid fitness island: transcriptional control at the gadY-gadW divergent promoters and identification of four novel 42 bp GadX/GadW-specific binding sites. Mol Microbiol 2008,70(4):965–982.PubMed 43. Larson TJ, Cantwell JS, van Loo-Bhattacharya AT: Interaction at a distance between multiple operators controls the adjacent, divergently transcribed glpTQ-glpACB operons of Escherichia coli K-12. J Biol Chem 1992,267(9):6114–6121.PubMed 44.