TABLE 2.

Mutations in the gyrA and parC genes in N. gonorrhoeae strains isolated before treatment

gyrA			parC			No. (%) of strains
Codon(s)	Nucleotide mutation	Amino acid mutation	Codon	Nucleotide mutation	Amino acid mutation
75	GCG→TCG	Ala→Ser	131	CTC→CTG	Leu (silent)	5 (12.2)
91	TCC→TTC	Ser→Phe	131	CTC→CTG	Leu (silent)	14 (34.1)
95	GAC→AAC	Asp→Asn	131	None or CTC→CTG	None or Leu (silent)	2 (4.9)
95	GAC→GGC	Asp→Gly	131	None or CTC→CTG	None or Leu (silent)	2 (4.9)
91 and 95	TCC→TTC, GAC→GGC	Ser→Phe, Asp→Gly		None	None	1 (2.4)
91 and 95	TCC→TTC, GAC→GGC	Ser→Phe, Asp→Gly	91	GAG→GGG	Glu→Gly	1 (2.4)
91 and 95	TCC→TTC, GAC→AAC	Ser→Phe, Asp→Asn	88	TCC→CCC	Ser→Pro	1 (2.4)
	None	None	131	None or CTC→CTG	None or Leu (silent)	15 (36.6)