Table 1.
Bacterial Strains and Plasmids
Strain Designation | Description | Reference |
---|---|---|
26695 | Sequenced reference strain | (Tomb, White et al. 1997) |
VM120 | 26695 containing 3 copies of tetO inserted in cagUT promoter element, KmR | |
VM122 | VM120 containing tetR expressed from the ureA locus, KmR CmR | |
VM124 | 26695 containing tetR expressed from the ureA locus, KmR CmR | |
Plasmid Designation | ||
pAD1 | Vector for introducing recombinant DNA into the H. pylori ureA locus | (Ando, Israel et al. 1999; Forsyth and Cover 2000; Loh, Forsyth et al. 2004; Shaffer, Gaddy et al. 2011) |
pMM680 | pUC57 containing the H. pylori 26695 cagU-cagV intergenic region and introduced copies of a kanamycin resistance determinant and tetO | |
pMM682 | H. pylori codon-optimized tetR cloned into pAD1 |