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Schematic diagram of the Neisseria fbpABC operon. (A) Positions of the oligonucleotide primers used in RT-PCR. (B) Positions of the oligonucleotide primers used to confirm the presence of the kanamycin cassette (indicated by shading) in the recombinant plasmid construct and the fbpC mutant N. gonorrhoeae F62C.1.
