Table 2: Virulence factors and gene sequences tested by polymerase chain reaction (PCR) according to the described references.

Virulence factorSequence (5–3)Reference

Intimin (eae) F-CTGAACGGCGATTACGCGAA Aranda et al. [26]
R-CGAGACGATACGATCCAG
Bundle forming pili (bfp) F-AATGGTGCTTGCGCTTGCTGCAranda et al. [26]
R-GCCGCTTTATCCAACCTGGTA
S fimbrial adhesin (sfa) F-CTCCGGAGAACTGGGTGCATCTTACYamamoto et al. [27]
R-CGGAGGAGTAAT TACAAACCT GGCA
P fimbrial adhesin (pap) F-GCAACAGCAACGCTGGTTGCATCATYamamoto et al. [27]
R-AGAGAGAGCCACTCTTATACGGACA
Increased serum survival (iss) F-AGAGAGAGCCACTCTTATACGGACAEwers et al. [28]
R-CTATTGTGAGCAATATACA
Aerobactin (iuc) F-TACCGGATTGTCATATGCAGACCGTYamamoto et al. [27]
R-AATATCTTCCTCCAGTCCGGAGAAG
Temperature-sensitive hemagglutinin (tsh) F-ACTATTCTCTGCAGGAAGTCEwers et al. [28]
R-CTTCCGATGTTCTGAACGT
Alpha hemolysin (hlyA) F-AACAAGGATAAGCACTGTTCTGGCTYamamoto et al. [27]
R-ACCATATAAGCGGTCATTCCCGTCA
Cytotoxic necrotizing factor (cnf1) F-AAGATGGAGTTTCCTATGCAGGAGYamamoto et al. [27]
R-CATTCAGAGTCCTGCCCTCATTATT