Intestinal Colonization by Campylobacter jejuni, Clostridium difficile, and Clostridium perfringens among Commensal Rattus norvegicus in the Urban Areas of Tehran, Iran

Table 2

Sequences of primers of C. difficile’s toxin genes.

Genes	Primer sequence (5->3)		References
tcdA	F	5-CAACACCTTAACCCAGCCATA-3	This study
	R	5-AGAGTTTTCTGCGGTAGCTGA-3
tcdB	F	5-ATCTGGAGAATGGAAGGTGGT-3
	R	5-TGATGGTGCTGAAAAGAAGTG-3
cdtA/B	F	5-TATATTAAAGCAGAAGCATCTGT-3
	R	5-CTGGACCATTTGATATTAAATAATT-3