Table 4.
Synopsis of relevant aa changes in ORF3, ORF7 and spike protein and resulting translation products of FIPV samples. Numbers in brackets indicate number of truncated aa. Onlychanges affecting more than 50% of examined samples are listed. The change in the respective sample is underlined. Numbers refer to positions according to reference strain Black (EU186072). n.s.: not sequenced.
| Sample | Gene 3a | Gene 3b | Gene 3c | Gene 7a | Gene 7b | Gene S |
|---|---|---|---|---|---|---|
| FIPV-1F | – | – | – | F9L | Y170H | Deletions (4), M1045L/D1108H/Y, E1267D/Q, T1299A/S, T1311V/S, L1345F |
| FIPV-1A | – | – | – | F9L | Y170H | Deletions (4), M1045L/D1108H/Y, E1267D/Q,T1311V/S |
| FIPV-2A | – | – | Truncation (76) | F9L | Y170H | M1045L/D1108H/Y/D1210N, E1267D/Q, Y1268H, N1275G, T1299A/S, T1308A, T1311V/S, E1315D/N, P1341S/T, L1345F, H1444N, S1454R/N |
| FIPV-3F | – | – | – | F9L | Y170H | M1045L/D1108H/Y/D1210N, E1267D/Q, Y1268H, N1275G, T1299A/S, T1308A, T1311V/S, E1315D/N, P1341S/T, L1345F, H1444N, S1454R/N |
| FIPV-3A | – | – | – | F9L | Y170H | M1045L, N1275G, P1341S/T |
| FIPV-4A | – | – | Truncation (105) | F9L | Y170H | Only HR2: N1275G, T1308A, E1315D/N |
| FIPV-5A | – | Truncation (6) | No translation product | n.s. | n.s. | n.s. |
| FIPV-6A | Truncation (9) | Truncation (9) | No translation product | n.s. | n.s. | n.s. |
| FIPV-7F | – | – | – | F9L | Y170H | E1267D/Q, Y1268H, E1315D/N, S1454R/N |
| FIPV-8F | – | – | Truncation (45) | n.s. | n.s. | n.s. |
| FIPV-8A | – | – | Truncation (45) | n.s. | n.s. | n.s. |
| FIPV-9F | – | – | Truncation (65) | n.s. | n.s. | n.s. |
| FIPV-9A | – | – | Truncation (65) | n.s. | n.s. | n.s. |
| FIPV-10F | Truncation (7) | – | – | n.s. | n.s. | n.s. |
| FIPV-10A | Truncation (7) | – | Truncation (221) | n.s. | n.s. | n.s. |
| FIPV-11A | Truncation (35) | – | Truncation (132) | n.s. | n.s. | n.s. |
| FIPV-12F | – | – | – | – | – | Only HR2 |
| FIPV-12A | – | – | Truncation (163) | – | – | Only HR2 |
| FIPV-13F | – | Elongation (8) | No translation product | n.s. | n.s. | n.s. |
| FIPV-14F | – | Truncation (1) | – | F9L | – | M1045L, H1444N |
| FIPV-15F | – | Truncation (1) | – | – | – | M1045L, H1444N |
| FIPV-15A | Truncation (22) | Truncation (1) | Truncation (110) | – | Y170H | H1444N |
| FIPV-16F | – | Truncation (1) | – | F9L | Truncation (171) | D1108H/Y/D1210N, E1267D/Q, Y1268H, N1275G, T1299A/S, T1308A, T1311V/S, E1315D/N, P1341S/T, L1345F, H1444N, S1454R/N |
| FIPV-17F | – | Truncation (1) | – | n.s. | n.s. | Only 23531: M1045L |
| FIPV-17A | – | Truncation (1) | Truncation (82) | – | Y170H | D1108H/Y, D1210N, E1267D/Q, Y1268H, N1275G, T1299A/S, T1308A, T1311V/S, E1315D/N, P1341S/T, L1345F, H1444N, S1454R/N |
| FIPV-18F | – | – | No translation product | n.s. | n.s. | n.s. |
| FIPV-18A | – | – | No translation product | – | Y170H | D1108H/Y/D1210N, E1267D/Q, Y12668H, N1275G, T1299A/S, T1308A, T1311V/S, E1315D/N, P1341S/T, L1345F, H1444N, S1454R/N |
| FIPV-19F | – | Truncation (1) | – | n.s. | n.s. | n.s. |
| FIPV-19A | – | Truncation (1) | Truncation (129) | n.s. | n.s. | n.s. |