Table 3: Detection sensitivity of CPDC assay.

DNA concentrationEHEC serovar O111, GTC14517 (stx1)EHEC serovar O157, GTC14513 (stx2)Shigella dysenteriae serovar 2, GTC01929 (ipaH)Salmonella enterica serovar Enteritidis GTC03838 (invA)

2 ng/assay++++
200 pg/assay++++
20 pg/assay++++
2 pg/assay++++
200 fg/assay++++
20 fg/assay

Serially diluted purified DNA of each strain was used to count detection sensitivity.