Skip to main content

Table 5 Mutations in the quinolone resistance determining region (QRDR) of gyrA, gyrB, parC and parE in 21 strains of Staphylococcus epidermidis

From: Fluoroquinolone resistance of Staphylococcus epidermidis isolated from healthy conjunctiva and analysis of their mutations in quinolone-resistance determining region

Mutation type No. of isolates Mutation
gyrA gyrB parC parE
1 7 Ser84Phe Ser80Tyr
2 4 Ser84Phe Ser80Phe
3 3 Ser84Phe Ser80Phe + Asp84Val
4 1 Ser84Tyr Ser80Ile
5 1 Ser84Tyr Ser80Ile Lys402Arg + Asn404Ile
6 1 Ser84Phe Ser80Phe + Asp84Val Lys403Thr + Asn404Asp
7 1 Ser84Phe Ser80Phe + Asp84Val Lys402Arg + Lys403Arg
8 1 Ser84Tyr + Glu88Lys Ser80Phe + Asp84Tyr
9 1 Ser84Phe Ser80Phe Asp434Val
10 1