Words similar to erca
Example sentences for: erca
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During ERCA, the polymerase will extend unligated OCP starting at the 3' end in a suicide pathway that renders the OCP double stranded and inert.
Hemochromatosis H63 ERCA reaction conditions
The reaction was cooled to 4°C, and 20 μl ERCA reaction mix was added (typically 16 units BST polymerase (New England Biolabs, Beverly, MA), 6 mM dNTPs, 0.5 μM P1, 0.5 μM P2, 4 μM Q-PNA, 7.5 μM TMAO in 1x ThermoPol Buffer II, all concentrations final).
The C-terminal dabcyl was positioned so that it was proximal to the 5'-fluorescent moiety on the DNA reporter, quenching fluorescence when the reporter and Q-PNA-13 were annealed, as shown in Figure 2. After P1 primer is incorporated into ERCA product, Q-PNA is displaced, producing a fluorescent signal.
Similarly, OCP ligation/ERCA can be used to accurately genotype PCR products in a biallelic format, where the probes for both alleles are present in a single reaction [ 3 ] . The OCP ligation/ERCA method is based on ligation dependent circularization of allele specific DNA probes followed by exponential rolling circle amplification of the circularized probes [ 4 5 ] . ERCA probes have also been variously described as 'padlock probes' [ 6 7 ] or 'circularizable probes' [ 4 ] . Although OCP ligation/ERCA can be used to genotype PCR products, it also provides a means for directly genotyping genomic DNA without requiring an initial amplification of the genomic DNA locus.