TABLE 2.

PCR assays tested against E. coli of different O groups and other bacterial generaa

Strain (no.)SourceO typeAssay results for:
O26 wzxO26 wzyO113 wzxO113 wzy
E. coli (50)Humans, cows, chickens, ferrets26++NDND
E. coli (50)Humans, cows, pigs, avian, horses, tigers, water113NDND++
E. coli (50)Pigs, avian, antelopes, horses, cows, unknown50 different serogroupsb
Shigella flexneri (1)UnknownUnknown
Vibrio cholerae (1)HumanUnknown
Staphylococcus aureus (1)ATCC 51740Unknown
Shigella boydii (1)UnknownUnknown
Shigella dysenteriae (1)Field isolateUnknown
Shigella dysenteriae (1)ATCC 29029Unknown
Salmonella enterica serovar Typhimurium (1)ATCC 13311Unknown
Klebsiella pneumoniae (1)ATCC 27736Unknown
Listeria monocytogenes (1)UnknownUnknown
Citrobacter freundii (1)ATCC 8090Unknown
Yersinia enterocolitica (1)UnknownUnknown
Pseudomonas aeruginosa (1)UnknownUnknown
  • a +, positive; −, negative; ND, not done.

  • b Other than O26 and O113.