Table 3.
Detection of recombination events of different ORFs of Saudi IBV strains
| Gene | Breakpoint positions | Recombinant sequence(s) | Major parent | Minor parent | Detection methods c | |
|---|---|---|---|---|---|---|
| Begin | End | |||||
| S | 828 | 4198 | Ck/SA/Kharj-2/2023 & Ck/SA/Kharj-3/2023a | KU238176| D888/2/4/08_IR | JX173489| Eg/CLEVB-1/IBV/012 | M, C, S, 3 S |
| M | 102 | 472 | Ck/KSA/Shaqra-1/2023 | H120 | Ck/KSA/Kharj 2/2023 | G, B, M, C, S, 3 S |
| 16 | 101 | Ck/KSA/Shaqra-1/2023 | Ck/KSA/Kharj-2/2023 | MN987230| IBV/ck/EGY-Monuf/NR725/16 | M, C, 3 S | |
| N | 692 | 1222 | Ck/SA/Kharj-2/2023 | KY805846|IBV/Ck/EG/CU/4/2014 | Ck/SA/Kharj-3/2023 | R, G, M, C |
| 271 | 917 | Ck/SA/Kharj-3/2023 | MF421319| UY/09/CA/01 | MN987230 IBV/ck/EGY-Monuf/NR725/16 | R, G, S, 3 S | |
| 1008 | 1222 | Ck/SA/Kharj-3/2023 | B164 | ON41988AR/13/BA/A255 | R, G, M, C | |
| 3ab | 122 | 331 |
Ck/SA/Kharj-2/2023 & Ck/SA/Kharj-3/2023 |
FN430414| ITA/90,254/2005 | KY805846| IBV/Ck/EG/CU/4/2014, 4/91, B164, KP118880| ck/CH/LHB/130,927 | M, C, S, 3 S |
| 5ab | 430 | 141 | Ck/SA/Kharj-3/2023b | ON419883|AR/13/BA/A255 | FN430414/ ITA/90,254/2005 | M. C |
aJX173488|Eg/CLEVB-2/IBV/012, KY028743|gammaCoV/Ck/Poland/G229/2015, MG233398| IS-1494, KU238171| D1344/2/4/10 EG showed the same recombination
b4/91 and KP118880|ck/CH/LHB/130,927 (China)showed the same recombination
R: RDP- Recombination Detection Program, G: GENECONV, B: Bootscan, M: Maxchi, C: Chimaera, S: SiSscan, and 3 S: 3Seq
c E-value Scores: Including e-value scores for each recombination method identified by the RDP program was presented in Suppl. 3