Research Article

Expression of Helicobacter pylori hspA Gene in Lactococcus lactis NICE System and Experimental Study on Its Immunoreactivity

Figure 3

Identification of the recombinant vector of pNZ8110-hspA by restriction enzyme digestion. (1) pNZ8110-hspA digested by XbaI. (2) pNZ8110-hspA digested by NcoI and XbaI. (3) pNZ8110 digested by XbaI. (4) PCR product of hspA. (5) DNA ladder.