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Figure 1 | BMC Biotechnology

Figure 1

From: Comparison and transfer testing of multiplex ligation detection methods for GM plants

Figure 1

Scheme of the padlock ligation detection procedure. A mix of linear padlock probes can hybridize to their genomic counterparts, after which the juxtaposed ends are ligated to form a circular molecule. Only ligated, circular molecules are amplified by subsequent PCR with a universal forward and Cy3-labelled reverse primer. Non-ligated probes will not be amplified as the primer sites point away from each other. Each probe contains a unique DNA sequence (cZIP-code). After PCR the products are visualized by hybridization of the Cy3-labelled molecule on a microarray via a homologous ZIP sequence.

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