TABLE 3

Amino acid substitutions and DNA mutations of QRDRs of Ureaplasma spp. among 130 DNA samples

ProteinPositionAmino acidDNA sequenceU. urealyticum (n = 24)U. parvum (n = 106)
Amino acid substitutionDNA mutationNo. of mutant strainsAmino acid substitutionDNA mutationNo. of mutant strains
GyrA100Gln00
104Gln00
112Glu/AspGAA/GAC0HisCAC1
GyrB462ProCCA0SerTCA1
ParC82Asp00
83SerTCALeuTTA3LeuTTA25
TrpTGAa1
84SerTCA0ProCCA1
87Glu00
88Ala00
ParE457Ala00
  • a The TGA codon encodes tryptophan in the Mycoplasmataceae (22).