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Self-avoiding Molecular Recognition Systems

Nucleic acid amplification reactions suffer from the formation of off-target amplification products. This problem increases with the number of primers in the reaction, and mainly occurs because of primer-primer interactions.  Thus, selectively removing hydrogen bonding units from the primer bases results in self-avoiding DNA primers that can be added to enable and improve multiplexed PCR.


As shown below, SAMRS bases, indicated with a *, can base pair with standard bases (in the target or amplicon) but not with other SAMRS bases.





Hoshika et al., 2010