A new real-time quantitative polymerase chain reaction method using locked nucleic acids to detect Neisseria gonorrhoeae infection and point mutation on gyrA associated with quinolone susceptibility.

In Neisseria gonorrhoeae, fluoroquinolone resistance is caused by mutations on various genes, especially on gyrA. Locked nucleic acid DNA sequence was added to the forward primer for gyrA and subjected to real-time quantitative polymerase chain reaction, enabling simultaneous detection of N. gonorrhoeae and mutations associated with antimicrobial resistance.