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. 2024 May 23;24:177. doi: 10.1186/s12866-024-03327-z

Table 4.

Primes used for the detection of C. difficile toxin genes

Target gene Prime Oligonucleotide sequences (5’ – 3’) Product length (bp)
tcdA a

tcdA-F

tcdA-R

AGATTCCTATATTTACATGACAATAT

GTATCAGGCATAAAGTAATATACTTT

369
tcdB a

tcdB-F

tcdB-R

TGATGAAGATACAGCAGAAGC

TGATTCTCCCTCAAAATTCTC

688
tcdC a

tcdC-F

tcdC-R

AAAAGGGAGATTGTATTATGTTTTC

CAATAACTTGAATAACCTTACCTTCA

479
tcdR b

tcdR-F

tcdR-R

AAAAGCGATGCTATTATAGTCAAA

CCTTATTAACAGCTTGTCTAGAT

300
tcdE b

tcdE-F

tcdE-R

GTTTAAGTGCAATAAAAAGTCGTA

GGTAATCCACATAAGCACATATT

262
cdtA a

cdtA-F

cdtA-R

GGGAAGCACTATATTAAAGCAGAAGC CTGGGTTAGGATTATTTACTGGACCA 200
cdtB a

cdtB-F

cdtB-R

TTGACCCAAAGTTGATGTCTGATTG

CGGATCTCTTGCTTCAGTCTTTATAG

260

a: The primers used in the study were designed by Primer-BLAST

b: The primers used in the study were from Reference 48