Table 1 Performance of primers of the intercalating dye-based RT-qPCR protocol for SARS-CoV-2 detection.

From: Complementary methods for SARS-CoV-2 diagnosis in times of material shortage

Gene

Primer concentration

58 °Ca

60 °Ca

Tm (oC)

LOD (copies)

Tm (oC)

LOD (copies)

E

Fwd, Rv: 200 nM

81.02 (± 0.07)

50

Fwd, Rv: 400 nM

81.06 (± 0.03)

50

81.07 (± 0.02)

5

RdRp

Fwd: 600 nM

Rv: 800 nM

80.6 (± 0.03)

1000

80.6 (± 0.06)

100

  1. Fwd: forward primer; Rev: reverse primer; Tm: melting temperature; LOD: limit of detection.
  2. aPrimer annealing temperature.