Influence of Heat Processing on DNA Degradation and PCR-Based Detection of Wild-Type and Transgenic Maize

Figure 7

PCR analysis of food products (a–f): lane 1 = event MON810 (1%); 2 = marinade; 3 = maize flour 1; 4 = cornflakes 1; 5 = cornflakes 2; 6 = cereal granules; 7 = popcorn; 8 = baby food; 9 = maize flour 2; 10 = water; 11 = GelPilot 100 bp ladder (Qiagen). Endogenous amplicons with size (a) 226 bp, (b) 140 bp, and (c) 102 bp. Exogenous amplicons with size (d) 141 bp, (e) 124 bp, and (f) 258 bp.

(a)

(b)

(c)

(d)

(e)

(f)