Effective polyclonal antibodies against the virulence-associated protein D (VapD) of Helicobacter pylori, obtained from recombinant VapD
Fig 2
Expression of rVapD in E. coli Rosetta (DE3).
Aliquots of 20 µl of culture were collected at 0, 1, 2, 3, and 4 h after the addition of 0.1mM IPTG to verify the correct expression of rVapD by SDS-PAGE. MW, molecular weight.