Construction of expression systems for flaA and flaB genes of Helicobacter pylori and determination of immunoreactivity and antigenicity of recombinant proteins

Figure 2 Homologies of nucleotide sequence of cloned H pylori flaA gene with reported sequences. (1): the sequencing result of H pylori strain Y06 flaA gene; (2)-(4): the reported sequences from GenBank (No. NC000915, strain 26695; No. NC_000921, strain J99; No. X60746, strain 898-1). Underlined areas indicate the positions of primer sequences.