Table 3.
Sequence of primers and PCR parameters used in this study.
Name | Targeted Virus or Gene | Sequence | Reference | [Primers] (nM) | [MgCl2] (mM) | Annealing Temperature (°C) | Size of Amplification Product |
---|---|---|---|---|---|---|---|
CMV1-F | CMV a | 5′-GTA GAC ATC TGT GAC GCG A-3′ | [28] | 400 | 1.5 | 55 | 540 bp |
CMV1-R | 5′-GCG CGA AAC AAG CTT CTT ATC-3′ | ||||||
Seco-1F | DMaV a | 5′ AAC TCC WTC WGG WTT YGC TYT GAC 3′ | this study | 400 | 2 | 46 | 323 bp |
Seco-1R | 5′ CCC ACT TYC TYT TGA GAA AAT CAA 3′ | ||||||
DiosClos-F | YaV1 a | 5′ CTC TTT AGG TTT CCC ATT TAT CA 3′ | [13] | 800 | 2 | 49 | 285 bp |
DiosClos-R | 5′ TGG TTC TAC ATT ACT AGA CTA C 3′ | ||||||
YMV1 | YMV a | 5′ TGC GGA ACT CRA AAG AAC 3′ | [29] | 200 | 3 | 53 | 196 bp |
YMV2 | 5′ TGC CAT CAA ATC CAA ACA 3′ | ||||||
YMMV CP 2F | YMMV a | 5′ GGC ACA CAT GCA AAT GAA AGC 3′ | [30] | 300 | 3 | 53 | 249 bp |
YMMV UTR 1R | 5′ CAC CAG TAG AGT GAA CAT AG 3′ | ||||||
YamMac4F | Yam macluraviruses b | 5′ CHG CAG CWA TYG GKM GTG 3′ | this study | 600 | 2 | 47 | 292 bp |
YamMac5R | 5′ GGG TTG CTG AGC RTY GGA 3′ | ||||||
Potex-2RC | Potexviruses c | 5′ AGC ATR GCN SCR TCY TG 3′ | [31] | 400 | 2 | 49 | 584 bp |
Potex-5 | 5′ CAY CAR CAR GCM AAR GAY GA 3′ | ||||||
YamX-1F | Yam | 5′ GAY ATT GGR GAY RTW YTI TTY WKG 3′ | |||||
YamX-2F | Potexviruses b | 5′ GRC ART CYC CAG ATT TYR AYH YRM A 3′ | |||||
YamX-3F d | 5′ CIC ART GGG TIA AGA AAR WKG A 3′ | this study | 300 | 2 | 43 | 255 bp | |
YamX-4R | 5′ CAT IAC AGT TTS TTG CAT RAA IG 3′ | ||||||
YamX-5R d | 5′ GRT CRA AIG CIG TRA ART CAT TIG C 3′ | ||||||
BadnaFP | Badnaviruses c | 5′ ATG CCI TTY GGI ITI AAR AAY GCI CC 3′ | [32] | 200 | 3 | 49 | 579 bp |
BadnaRP | 5′ CCA YTT RCA IAC ISC ICC CCA ICC 3′ | ||||||
atpB1 | atpB plastid gene | 5′ GGT CCT ATG ATT TCC ACA C 3′ | [33] | 200 | 3 | 49 | 1462 pb |
atpB2 | 5′ CTT CAA TTT GTT CTC CAC 3′ |
a Specific detection primers; b Generic detection primers for yam viruses; c Generic detection primers; d Selected primers for detection of yam potexviruses.