Table 2 Details of oligonucleotide sequences, fluorophores, optimal concentrations and annealing temperatures used for the detection of SARS-CoV-2 targeting Nsp10, N-gene, Nsp12, JUN and EICAS, collectively referred to as CoV2-ID.

From: CoV2-ID, a MIQE-compliant sub-20-min 5-plex RT-PCR assay targeting SARS-CoV-2 for the diagnosis of COVID-19

Target

Target

Amplicon (bp)

Oligonucleotides (5′-3′)

Final conc. (µM)

Ta (°C)

SARS-CoV-2

Nsp10

85

F: GGATCAAGAATCCTTTGGTGG

1

64.0

R: GTCACAAAATCCTTTAGGATTTGGA

1

Pr: FAM-CATCGTGTTGTCTGTACTGCCGTTGCC-Q

0.4

N-gene

88

F: GCTGCTAGACAGATTGAAC

1

60.5

R: AGCAGATTTCTTAGTGACAGTTTG

1

Pr1:-TR-ATGTCTGGTAAAGGCCAACAACAACA-Q

0.4

Pr2: TR/FAM-TCTGGTAAAGGCCAACAACAACAAGG-Q

0.4

Nsp12

96

F: CATCCCTACTATAACTCAAATGAA

1

62.0

R: GTCATAGTACTACAGATAGAGACAC

1

Pr: FAM-TGCAAAGAATAGAGCTCGCACCGT-Q

0.4

Mu-Nsp10

85

(10Mu) GGATCAAGAATCTTTTGGTGG

1

61.0

Mu-N-gene

88

(NA) GCTGCTTGACAGTTTGAAC

1

62.0

(NB) GCTGCTTGATAGATTGAAC

1

60.3

MuN: TR-TTTGGTAAAGGCCAACAACAACAAGG-Q

0.4

 

D614G mutation

104

F: CACCAGGAACAAATACTTC

1

 

R: CCAAGTAGGAGTAAGTTGA

1

 

WT: FAM-ctttAtcAggAtgTtaact-Q

0.4

 

Mu: HEX-ctttAtcAggGtgTtaact-Q

0.4

 

mRNA control

JUN

88

F: CGCCTGATAATCCAGTCCA

1

60.5

R: GCTCATCTGTCACGTTCTTG

1

Pr:- Cy5-CACATCACCACCACGCCGACC-Q

0.4

EICAS1

58

F: AACAACCACACCAAAAC

  
  

R: GGAGGTTTTAGTTTGG

  
  

Pr: HEX-CACACAACACCAACAAAACCAAACA-Q

  

rArArCrArArCrCrArCrArCrCrArArArArCrCrArCrArCrArArCrArCrCrArArCrArArArArCrCrArArArCrArCrCrArArArCrUrArArArArCrCrUrCrC

EICAS2

65

Pr: HEX-CACACAACACCAACAAAACCAAACA-Q

  

rCrGrCrCrUrGrArUrArArUrCrCrArGrUrCrCrArUrCrArCrArCrArArCrArCrCrArArCrArArArArCrCrArArArCrArCrArArGrArArCrGrUrGrArCrArGrArUrGrArGrC

  1. All oligonucleotides are listed in the 5′-3′ direction. Nucleotides that differ from the SARS-CoV-2 reference sequence, but have been detected at low frequency are shown in red. Oligonucleotides are based on the following accession numbers: Reference SARS-CoV-2: NC_045512; mutant SARS-CoV-2: MT412262 (F-primer 10Mu); MT607612/481905/496997/467255/467251 (F-primers NA and NB); MT506889/506904/506907 (Probe MuN); c-JUN: NM_002228.4.