Volume 10, Number 7—July 2004
Dispatch
SARS Coronavirus Detection
Table 1
Primers and 5′-nuclease probes of the three SARS coronavirus–specific assaysa
Primer/probe | Primer/probe sequence | Oligonucleotide orientation | Nucleotide positionb | Tm (°C)c | |
---|---|---|---|---|---|
NS pp1a (133 bp)d |
|||||
pp1a F |
GCCgTAgTgTCAgTATCATCACC |
S |
4609–4631 |
56.6 |
|
pp1a R |
AATAggACCAATCTCTgTAAgAgCC |
A |
4741–4717 |
56.7 |
|
pp1a TM |
F-TCACTTCgTCATCAAAgACATC XT gAggAgC p |
S |
4661–4690 |
66.2 |
|
NS pp1ab (88 bp)d |
|||||
NS F |
TTTTgTTgTTTCAACTggATACCAT |
S |
14387–411 |
57.0 |
|
NS R |
GAAACTgAgACgCgAgCTATgT |
A |
14474–453 |
57.3 |
|
NS TM |
F-CATCCTgATTATgTACgACTCCTAAC XT CACgAA p |
A |
14445–413 |
64.4 |
|
Surface spike glycoprotein (79 bp)d |
|||||
SS GP F |
gAggTCTTTTATTgAggACTTgCTC |
S |
23879–903 |
57.1 |
|
SS GP R |
gCATTCgCCATATTgCTTCAT |
A |
23957–937 |
57.3 |
|
SS GP TM | F-AAgCCAgCATCAgCgAgTgTCACCTTA XT p | A | 23935–908 | 66.7 |
aAbbreviations: SARS, severe acute respiratory syndrome; S, sense, A, antisense; F, 6-carboxyfluorescein attached to 5´-terminus (FAM); T, 5-carboxytetramethylrhodamine (5-TAMRA) attached to 5-ethylamino-dThymidin; NS, nonstructural; pp1ab, polyprotein 1ab gene; Tm, melting temperature; TM, TaqMan.
bBased on AY274119 isolate TOR2.
cThermodynamic Tm. All oligonucleotides were synthesized by TIB MOLBIOL Berlin.
dAmplicon length.