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. Author manuscript; available in PMC: 2008 Sep 26.
Published in final edited form as: Microbiology (Reading). 2007 May;153(Pt 5):1474–1482. doi: 10.1099/mic.0.2006/003228-0

Table 1.

Strains and plasmids used in this study

Strain or plasmid Relevant characteristics * Source or reference
E. coli
TOP10 Cloning strain Invitrogen
BL21DE3 Host strain for two-plasmid system Stratagene
BL21Rosetta/pLysS Host strain for overexpressing H. pylori proteins; Cmr Novagen
H. pylori
43504 Parental strain ATCC
hypA mutant hypA::aphA3; Kmr Olson et al. (2001)
hypA H2A mutant Codon for His2 replaced by Ala within hypA Mehta et al. (2003b)
ureE mutant ureE::aphA3; Kmr Voland et al. (2003)
ΔureAB mutant ΔureAB::cat; Cmr This study
Plasmid
pHP8080 pACYC184 derivative with H. pylori ureABIEFGH and nixA; Cmr McGee et al. (1999)
pET21b Cloning and expression vector; Apr Novagen
pET-HypA pET derivative plasmid for overexpression of HypA Mehta et al. (2003b)
pET-HypA-H2A pET-HypA with His2 replaced by Ala Mehta et al. (2003b)
pET-HypB pET derivative plasmid for overexpression of HypB Mehta et al. (2003b)
pET-HypC pET derivative plasmid for overexpression of HypC This study
pET-UreE pET derivative plasmid for overexpression of UreE Benoit & Maier (2003)
pET-UreG pET derivative plasmid for overexpression of UreG Mehta et al. (2003a)
pET-HypA+UreE pET derivative plasmid for overexpression of HypA and UreE This study
*

Ap, Ampicillin; Cm, chloramphenicol; Km, kanamycin.

American Type Culture Collecion, Manassas, VA, USA.