Research Article

Shiga Toxin-Producing Escherichia coli Isolated from Bovine Mastitic Milk: Serogroups, Virulence Factors, and Antibiotic Resistance Properties

Table 1

Primers used for detection of virulence genes in Shiga toxin-producing Escherichia coli isolated from bovine mastitis.

Virulence factorPrimers namePrimer sequences (5′-3′)Product size (bp)Reference

Shiga toxin 1 (stx1)
Stx1fAAATCGCCATTCGTTGACTACTTCT366
[20]
Stx1rTGCCATTCTGGCAACTCGCGATGCA
Shiga toxin 2 (stx2)
Stx2fCGATCGTCACTCACTGGTTTCATCA282
[20]
Stx2rGGATATTCTCCCCACTCTGACACC
Enteropathogenic attachment and effacement (eaeA)EAE1TGCGGCACAACAGGCGGCGA629
[21]
EAE2CGGTCGCCGCACCAGGATTC
Haemolysin (ehly)Hly FCAATGCAGATGCAGATACCG432 [22]
Hly RCAGAGATGTCGTTGCAGCAG