TABLE 4.

Characterization of different ExPEC isolates presumably containing complete PAIs of E. coli strain 536 or large fragments thereof

StrainSerotypeaSourcebGenome size (Mb)cCharacteristicsdPresence of entire PAIe
I536II536III536
536O6:K15:H31UTI4.9 malX papAH papC papEF papGIII fimH fyuA sfalfocDE sfaS hlyA kpsMTK5+++
ECOR 52NDFeces5 malX papAH papC papEF papGII/III fimH fyuA sfalfoc focG cnf1 iutA hlyA kpsMTK5+
ECOR 60NDUTI5.1 malX papAH papC papEF papGII/III fimH fyuA sfalfoc focG cnfl iutA hlyA rfc kpsMTK5+
RZ479O6:K+:HUTI5.1 malX papAH papC papEF papGII/III fimH fyuA sfalfoc sfaS cnf1 hlyA kpsMTK5+++
2980O18ac:K5Feces5 malX papAH papC papEF papGII/III fimH fyuA sfalfoc sfaS hlyA kpsMTK5+
HK24NDSepsis5 malX papAH papC papEF papGII/III fimH fyuA sfalfoc sfaS cnf1 hlyA kpsMTK5++
HK8NDSepsis5 malX papAH papC papEF papGII/III fimH fyuA sfalfoc sfaS cnf1 iutA hlyA kpsMTK5+
RZ422O6:K14:HUTI4.9 malX papAH papC papEF papGII/III fimH fyuA sfalfoc focG cnf1 cdtB traT hlyA kpsMTK5+
RZ451O6:K18/22:H31UTI5 malX papAH papC papEF papGII/III fimH fyuA sfalfoc sfaS cnf1 traT hlyA kpsMTK5+
RZ505O6:K14:HUTI5.1 malX papAH papC papEF papGII/III fimH fyuA sfalfoc sfaS cnf1 hlyA kpsMTK5+
RZ532O6:K+:H31UTI4.6 malX papAH papC papEF papGII/III fimH fyuA sfalfoc sfaS cnf1 hlyA kpsMTK5+
  • a ND, not determined.

  • b UTI, urinary tract infection.

  • c As determined by pulsed-field gel electrophoresis after CeuI digestion.

  • d As determined by multiplex PCR; designation of PCR products is according to McCormick et al. (26).

  • e Chromosomal insertion site of PAI III536 homologues is unknown. +, present; −, not present.