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

Table 2

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

Primer name	Sequence	Size of product (bp)	Target gene	Reference
O26-F	CAG AAT GGT TAT GCT ACT GT	423	wzx	[23]
O26-R	CTT ACA TTT GTT TTC GGC ATC
O103-F	TTGGAGCGTTAACTGGACCT	321	wzx	[23]
O103-R	GCTCCCGAGCACGTATAAG
O111-F	TAG AGA AAT TAT CAA GTT AGT TCC	406	wzx	[23]
O111-R	ATA GTT ATG AAC ATC TTG TTT AGC
O145-F	CCATCAACAGATTTAGGAGTG	609	wzx	[23]
O145-R	TTTCTACCGCGAATCTATC
O157-F	CGG ACA TCC ATG TGA TAT GG	259	wzx	[23]
O157-R	TTG CCT ATG TAC AGC TAA TCC
O45-F	CCG GGT TTC GAT TTG TGA AGG TTG	527	wzx1	[24]
O45-R	CAC AAC AGC CAC TAC TAG GCA GAA
O91-F	GCTGACCTTCATGATCTGTTGA	291	gnd	[25]
O91-R	TAATTTAACCCGTAGAATCGCTGC
O113-F	GGGTTAGATGGAGCGCTATTGAGA	771	wzx	[26]
O113-R	AGGTCACCCTCTGAATTATGGCAG
O121-F	TGGCTAGTGGCATTCTGATG	322	wzx	[27]
O121-R	TGATACTTTAGCCGCCCTTG
O128-F	GCTTTCTGCCGATATTTGGC	289	galF	[28]
O128-R	CCGACGGACTGATGCCGGTGATT