Table 1.
Oligonucleotide primers, probes, and blocker used in this study.
Assay Signature | Target Region | Primer Position |
Primer/Probe | Sequence (5′ to 3′) | Concentration (Per Reaction) |
---|---|---|---|---|---|
PNA-mediated SARS-CoV-2 detection | Nucleocapsid | 28371–28389 a | Forward primer | GCGATCAAAACAACGTCGG | 250 nM |
Nucleocapsid | 28575–28593 a | Reverse primer | ATACCATCTTGGACTGAGA | 250 nM | |
Nucleocapsid | 28526–28545 a | Probe | FAM-ACCGAAGAGCTACCAGACGA-BHQ | 250 nM | |
Nucleocapsid | 28486–28502 a | PNA blocker | ATCAACACCAATAGTGG c | 500 nM | |
28342–28358 b | |||||
Universal SARSr-CoV detection | ORF3ab gene | 26184–26201 a | Forward primer | CCGACGACGACTACTAGC | 250 nM |
Envelope protein | 26365–26386 a | Reverse primer | CTCACGTTAACAATATTGCAGC | 250 nM | |
Envelope protein | 26329–26384 a | Probe | FAM-TAGCCATCCTTACTGCGCTT-BHQ | 250 nM |
a Values were based on the Beta-CoV/Korea/KCDC03/2020 sequence. b Values were based on the SARS-CoV/HKU-39849 sequence. c The italic characters indicate the PNA blocker sequence.