Table 2.

Nucleotide sequence polymorphism among three virulence genes and one housekeeping gene from natural isolates of E. coli

GeneNo. of isolatesLength (bp)No. of polymorphic:kS(102)kN(102)kN/kSratioCAI (30)GC content
NucleotidesAmino acids
hlyA 8570630.89 ± 0.530.27 ± 0.160.330.2340
kpsD 872948105.84 ± 0.990.52 ± 0.160.090.3352
papH 64622295.29 ± 1.541.07 ± 0.350.210.2450
mdh 88642023.10 ± 0.800.14 ± 0.100.050.5852