TABLE 3.
Breakpoint analysis of the NV recombinants and their putative parental strainsa
| Genetic cluster | Recombinant strain | Putative parental strain | Capsid region(s) (nt) | Breakpoint (nt) | LRb | P valuec |
|---|---|---|---|---|---|---|
| I/1 | Aichi124/1989/JP | Norwalk/1968/US | 1-615 | 615 | 22.7 | <0.001 |
| KY-89/1989/JP | 616-1590 | |||||
| II/1 | Port Canaveral301/1994/US | Girlington/1993/UK | 1-833 | 833 | 5.276 | <0.025 |
| Richmond283/1994/US | 834-1605 | |||||
| II/3 | Toronto24/1991/CA | Auckland/1994/NZ | 1-1110, 1248-1644 | 1110 | 6.820 | <0.010 |
| MD101-2/1987/US | 1111-1247 | 1247 | 5.720 | <0.010 | ||
| II/4 | Burwash Landing331/1995/US | Grimsby/1995/UK | 1-468 | 468 | 5.140 | <0.025 |
| Mora/1997/SE | 469-1617 | |||||
| II/4 | Hamburg180/1997/GE | Hamburg189/1997/GE | 1-519, 763-1617 | 519 | 8.355 | <0.001 |
| Bochum024/1998/GE | 520-762 | 762 | 5.858 | <0.010 | ||
| II/4 | Hamburg137/1997/GE | Hamburg189/1997/GE | 1-768 | 768 | 5.607 | <0.010 |
| Hamburg139/1997/GE | 769-1617 | |||||
| II/5 | Hillingdon/1990/UK | White River290/1994/US | 1-1201 | 1201 | 6.551 | <0.010 |
| MOH/1999/HU | 1201-1620 |
a
nt, nucleotides.
b
LR, likelihood ratio.
c
P value was determined by a χ2 test with 3 df.