The role of the Serratia marcescens SdeAB multidrug efflux pump and TolC homologue in fluoroquinolone resistance studied via gene-knockout mutagenesis

1. In Table 1, page 456, strains/plasmids HASF300, pKS : hasF : Gm^r, pUCGM, pKNGhasFGm^r are added and the characteristics of pEXSH, pEXH, pEXS, pEXR, pKS : sdeB, and pKS : HasF are amended. The correct version of the table is given below.