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. 2017 Jan 9;12(1):e0169785. doi: 10.1371/journal.pone.0169785

Table 3. Comparison of the sensitivity of different ELISA tests for detecting Cms bacterial cells.

Strains tested were 527 and NCPPB 4053.

Bacterial suspension (CFU/ml) Loewea Agdiab Adgenc Newly developed IgG
Against mucoid Cms cells Against nonmucoid Cms cells
527 NCPPB 4053 527 NCPPB 4053 527 NCPPB 4053 527 NCPPB 4053 527 NCPPB 4053
107 + + + + - + + + + +
106 + + - + - + (+) + + +
105 - + - + - + - + + +
104 - + - (+) - - - + + (+)
103 - (+) - - - - - - - -
102 - - - - - - - - - -
NC1 - - - - - - - - - -
NC2 - - - - - - - - - -

+ = positive result from ELISA (more than two-fold higher than the negative control)

(+) = weak positive (approximately two-fold higher than the negative control)

- = negative result from ELISA (less than two-fold higher than the negative control)

NC1—Negative control 1—Coating buffer

NC2—Negative control 2—Potato extract diluted 1:100 in coating buffer

aLoewe kit containing polyclonal goat primary IgG against the Cms strain NCPPB 2140 and polyclonal goat secondary IgG conjugated with AP enzyme, DAS-ELISA method

bAgdia kit containing monoclonal mouse primary IgG and polyclonal rabbit secondary IgG conjugated with alkaline phosphatase AP enzyme, DAS-ELISA method

cAdgen kit containing polyclonal primary IgG-anti Cms and polyclonal secondary IgG conjugated with AP enzyme, PTA-ELISA method