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. 2006 Mar;44(3):970–975. doi: 10.1128/JCM.44.3.970-975.2006

TABLE 6.

Correlation of different SSCP profiles with amino acid substitutions of GyrA, ParC, and ParE and fluoroquinolone MICs

Gene(s) with amino acid substitution SSCP profile Position of amino acid substitution
No. of isolates (n = 100) Fluoroquinolone MIC (μg/ml)
GyrA ParC
ParE
CIP
LEV
Ser-81- Ser-79- Asp-83- Glu-96- Lys-137- Ile-460- 4 8 16 >16 0.5 to 1 2 4 8 16 >16
No substitution 5121 1 1 1
5221 2 2 1 1
parE 4223 Val 1 1 1
5123 11 11 4 7
5222 3 3 1 2
5223 17 16 1 8 8 1
5323 4 3 1 1 2 1
parC, parE 5372 Phe Val 1 1 1
5273 1 1 1
5263 Tyr Val 1 1 1
5232 Asn Val 40 35 4 1 20 18 2
5233 2 2 2
5132 2 2 2
5433 1 1 1
5283 1 1 1
5242 Asn Asn Val 1 1 1
parC 5231 Asn 1 1 1
gyrA, parE 2223 Phe Val 1 1 1
gyrA, parC, parE 2273 Phe Phe Val 2 2 2
2232 Phe Asn Val 2 2 2
3232 1 1 1
2252 Phe Phe Asn Val 2 2 1 1
2242 Phe Asn Asn Val 1 1 1
2292 Phe Asp Asn Val 1 1 1