TABLE 4.

Distribution of the investigated E. coli Nissle 1917-specific sequences among nonpathogenic E. coli, ExPEC, and IPEC isolates

E. coli isolate (n) and/or sourceb% of E. coli strain Nissle 1917-specific sequences by PCR analysis in regiona (GEI):
1 (I)2 (I)3 (I)4 (I)5 (I)6 (II)7 (II)8 (II)9 (II)10 (II)11 (II)12 (II)13 (III)14 (IV)15 (IV)
O6:K5 UTI (34)100.097.194.1100.0100.0100.023.597.197.1100.067.6100.076.5100.0100.0
UTI Non-O6:K5 (88)55.721.628.471.669.354.56.830.714.829.58.013.65.796.677.3
NBM or sepsis (28)14.33.67.167.921.410.73.646.47.114.33.63.60.0100.075.0
IPEC (17)29.40.05.917.65.929.40.023.50.041.25.90.00.070.629.4
Nonpathogenic (157)27.42.510.243.924.259.25.149.710.824.84.51.90.658.018.5
Total (324)41.717.623.558.043.556.57.147.820.134.012.015.49.976.549.1
  • a The chromosomal localization of the amplified DNA regions is indicated in Fig. 4.

  • b NBM, newborn meningitis; UTI, urinary tract infection.