Table 4.

Quantification of the number of copies of thenuc gene of S. aureus in artificially contaminated cheeses of three different types by RTQ-PCR

SampleNo. of nuc gene copies or CFU/2 g of:
TilsiterCamembertGoat's cheese
CopiesCFUCopiesCFUCopiesCFU
12.6 × 1083.4 × 1072.6 × 1082.1 × 1078.4 × 1072.5 × 107
27.4 × 1064.3 × 1062.2 × 1072.0 × 1068.6 × 1063.4 × 106
34.6 × 1052.2 × 1053.6 × 1062.0 × 1055.2 × 1053.8 × 105
44.0 × 1043.0 × 1043.0 × 1051.6 × 1042.2 × 1042.9 × 104
59.2 × 1032.0 × 1031.5 × 1042.1 × 1032.2 × 1033.8 × 103
63.8 × 1023.5 × 1022.4 × 1031.5 × 1021.5 × 1022.9 × 102
7a2.0 × 1016.4 × 1022.0 × 1013.6 × 101
  • a —, inconsistent quantification data.