Characteristics of E. coli strains used in this study. Characteristics of E. coli strains used in this study. (A) Characteristics of E. coli strains used in this study. The strains and plasmids were built and generously donated by the Misra's lab (33, 39). (B) Detection of the presence of the major porins, OmpC, and OmpF, and the maltoporin LamB in various strains grown in LB with or without 0.2% arabinose (Ara, induction of the LamB expression) by Western blots. Estelle Dumont et al. LSA 2019;2:e201800242 © 2018 Dumont et al.