User:Saroj Pandey/Notebook/SNP PCR optimization/2014/11/13
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Allele Specific PCR
Four different forward primers were used in combination with the two specific reverse primers for taster and non-taster.
GaF : ATCCGTGATGCTGTGCTATG
911bp, 760bp, 510bp, 356bp
• For taster, first three combinations of the primers gave bands at specific positions but the EP_3+Cfb(R) did not give specific band. This is because the enzyme was not added to the mixture during the PCR. So the amount of unspecific product is much higher.
• All the primer combinations worked and showed specific bands at correct positions for non-taster.
• Unspecific primers did not produce bands as with the specific ones. So the separation was successful.
• With these primer combinations, the taster and non-taster of the phenylthiocarbamide (PTC) can be identified genotypically.