Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2008 by Universidad Católica de Valparaíso -- Chile
Vol. 11 No. 2, Issue of April 15, 2008
 


Figure 3. Detection of Bt genes by PCR in DNA samples derived from soil cultivated with transgenic (Pucara TD -event 176- and 32G63MG -event MON810-) and nontransgenic (Pucara and 30F82) maize. Lanes 1-5, three months interval sampling of soil starting from the crop before harvest (February, May, August, November 2002 and March 2003, respectively). +, positive control. -, negative control. M, molecular marker.


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