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. 2021 Feb 20;11(4):e3917. doi: 10.21769/BioProtoc.3917

Table 3. Touchdown temperature protocol for OneTaq colony PCR.

Initial denaturation Touchdown phase Enrichment phase Hold
Denaturation Annealing Extension Denaturation Annealing Extension
94 °C 94 °C
62 °C
(–1 °C per cycle)
68 °C 94 °C 52 °C 68 °C 12 °C
30 s 20 s 30 s 1 min/kb 20 s 30 s 1 min/kb
10 cycles 27 cycles