Table 2.
Glycosylation pattern of PRRSV strains in Vietnam during 2007–2015
| Year/Ref Strain | N-glycosylation site | Number of sequence | % of total | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 30 | 32 | 33 | 34 | 35 | 44 | 51 | |||
| VR-2332 | x | x | xxx | x | |||||
| JXA1 | x | x | xxx | x | |||||
| 2007 | x | x | xx | x | 1 | 0.69 % | |||
| x | xx | x | 1 | 0.69 % | |||||
| 2008 | x | x | xx | x | 6 | 4.17 % | |||
| 2009 | x | x | xx | x | 7 | 4.86 % | |||
| 2010 | x | x | xx | x | 31 | 21.53 % | |||
| x | x | x | xx | x | 1 | 0.69 % | |||
| x | x | x | 1 | 0.69 % | |||||
| x | xx | x | 4 | 2.78 % | |||||
| x | x | xx | x | 3 | 2.08 % | ||||
| 2011 | x | x | xx | x | 1 | 0.69 % | |||
| x | x | xx | x | 2 | 1.39 % | ||||
| 2012 | x | x | xx | x | 11 | 7.64 % | |||
| x | x | xx | x | 2 | 1.39 % | ||||
| x | x | xx | x | 3 | 2.08 % | ||||
| x | x | x | 1 | 0.69 % | |||||
| 2013 | x | x | x | xx | x | 14 | 9.72 % | ||
| x | x | x | xx | x | 2 | 1.39 % | |||
| x | x | xx | x | 1 | 0.69 % | ||||
| x | xx | x | 2 | 1.39 % | |||||
| x | x | xx | x | 6 | 4.17 % | ||||
| x | xx | x | 1 | 0.69 % | |||||
| x | xx | x | 3 | 2.08 % | |||||
| 2014 | x | x | x | 1 | 0.69 % | ||||
| x | x | x | 1 | 0.69 % | |||||
| x | x | x | xx | x | 6 | 4.17 % | |||
| x | x | xx | x | 15 | 10.42 % | ||||
| x | x | xx | x | 5 | 3.47 % | ||||
| x | x | xx | x | 1 | 0.69 % | ||||
| x | xx | x | 2 | 1.39 % | |||||
| x | xx | x | 1 | 0.69 % | |||||
| 2015 | x | x | xx | x | 9 | 6.25 % | |||
x: indicating the potential N-glycosylation site at cut off value; xx and xxx: indicating the potential N-glycosylation site at additional value (>0.75 and >0.9, respectively)