Table S1. 150 PRRSV isolates used in the present study.
Strain / Country / Year / Accession IDEU type
1. KNU-07 / South Korea / 2007 / FJ349261
2. BJEU06-1 / China / 2006 / GU047344
3. FJ0602 / China / 2006 / HM755885
4. NMEU09-2 / China / 2009 / GU047340
5. NMEU09-3 / China / 2009 / GU047341
6. NMEU09-4 / China / 2009 / GU047342
7. NMEU09-5 / China / 2009 / GU047343
8. NMEU09-1 / China / 2009 / GU047345
9. HKEU16 / Hong Kong / 2007 / EU076704
10. 01CB1 / Thailand / 2001 / DQ864705
11. Lelystad virus / Netherlands / 1991 / M96262
12. LV4.2.1 / Netherlands / 1995 / AY588319
13. Cresa2982 / Spain / 2005 / JF276430
14. Cresa3262 / Spain / 2005 / JF276431
15. Cresa3256 / Spain / 2005 / JF276432
16. Cresa3249 / Spain / 1992 / JF276433
17. Cresa3266 / Germany / 1992 / JF276434
18. 94V360 / Belgium / 1994 / JF304781
19. Cresa3267 / Portugal / 2006 / JF276435
20. EuroPRRSV / USA / 1999 / AY366525
21. SD01-08 / USA / 2001 / DQ489311
22. SD-01-07 / USA / 2001 / AY395079
23. SD-02-10 / USA / 2002 / AY395081
NA type
24. PL97-1 / South Korea / 1997 / AY585241
25. LMY / South Korea / 2002 / DQ473474
26. CA / South Korea / 2006 / FJ194950
Table S1 continued
27. *CP07-626-2 / South Korea / 2007 / JN809804 Korea1
28. *CP07-401-9 / South Korea / 2007 / JN809806 Korea2
29. *e417-2 / South Korea / 2009 / JN809805 Korea3
30. *A4699 / South Korea / 2010 / JN809807 Korea4
31. EDRD-1 / Japan / 1992 / AB288356
32. CH-1a / China / 1996 / AY032626
33. BJ-4 / China / 1996 / AF331831
34. S1 / China / 1998 / DQ459471
35. PRRSV01 / China / 2001 / FJ175687
36. HB-2(sh)/2002 / China / 2002 / AY262352
37. HB-1(sh)/2002 / China / 2002 / AY150312
38. GS2002 / China / 2002 / EU880441
39. CH2002 / China / 2002 / EU880438
40. PRRSV02 / China / 2002 / FJ175688
41. HB-1/3 / China / 2002 / HQ233605
42. HN1 / China / 2003 / AY457635
43. Clone20 / China / 2003 / FJ899592
44. GS2003 / China / 2003 / EU880442
45. CH2003 / China / 2003 / EU880440
46. PRRSV03 / China / 2003 / FJ175689
47. GS2004 / China / 2004 / EU880443
48. CH2004 / China / 2004 / EU880439
49. NB/04 / China / 2004 / FJ536165
50. GD3 / China / 2005 / GU269541
51. SHB / China / 2005 / EU864232
52. HUB1 / China / 2006 / EF075945
53. HN-HW / China / 2006 / FJ797690
54. JSyx / China / 2006 / EU939312
55. JX143 / China / 2006 / EU708726
56. JX2006 / China / 2006 / EU880432
57. TP / China / 2006 / EU864233
Table S1 continued
58. SY0608 / China / 2006 / EU144079
59. JXwn06 / China / 2006 / EF641008
60. TJ / China / 2006 / EU860248
61. WUH1 / China / 2006 / EU187484
62. BJsy06 / China / 2006 / EU097707
63. NX06 / China / 2006 / EU097706
64. HuN / China / 2006 / EF517962
65. HUN4 / China / 2006 / EF635006
66. CC-1 / China / 2006 / EF153486
67. HEB1 / China / 2006 / EF112447
68. HUB2 / China / 2006 / EF112446
69. JXA1 / China / 2006 / EF112445
70. JXwn06-81c / China / 2006 / HQ233604
71. JX1 / China / 2006 / EF014225
72. FJ0604 / China / 2006 / HM070381
73. FJ0605 / China / 2006 / HM114311
74. GDQY2 / China / 2007 / GU454850
75. BJ0706 / China / 2007 / GQ351601
76. BJSY07 / China / 2007 / HM011104
77. GDQJ / China / 2007 / GQ374441
78. BJSD / China / 2007 / FJ950747
79. BJPG / China / 2007 / FJ950746
80. BJBLZ / China / 2007 / FJ950745
81. BJSY-1 / China / 2007 / FJ950744
82. AH0701 / China / 2007 / GU461292
83. HN2007 / China / 2007 / EU880437
84. SX2007 / China / 2007 / EU880434
85. GD2007 / China / 2007 / EU880433
86. 07BJ / China / 2007 / FJ393459
87. 07HEBTJ / China / 2007 / FJ393458
88. 07HEN / China / 2007 / FJ393457
Table S1 continued
89. 07NM / China / 2007 / FJ393456
90. 07QN / China / 2007 / FJ394029
91. CG / China / 2007 / EU864231
92. NM1 / China / 2007 / EU860249
93. GD / China / 2007 / EU825724
94. BJ / China / 2007 / EU825723
95. HPBEDV / China / 2007 / EU236259
96. pJX143 / China / 2007 / EF488048
97. XH-GD / China / 2007 / EU624117
98. Em2007 / China / 2007 / EU262603
99. Henan-1 / China / 2007 / EU200962
100. Jiangxi-3 / China / 2007 / EU200961
101. GD / China / 2007 / EU109503
102. LN / China / 2007 / EU109502
103. SHH / China / 2007 / EU106888
104. Shaanxi-2 / China / 2007 / HQ401282
105. WUH3 / China / 2008 / HM853673
106. JN-HS / China / 2008 / HM016158
107. GDBY1 / China / 2008 / GQ374442
108. 08HuN / China / 2008 / GU169411
109. SD-CXA/2008 / China / 2008 / GQ359108
110. YN9 / China / 2008 / GU232738
111. KP / China / 2008 / GU232735
112. CWZ-1-F3 / China / 2008 / FJ889130
113. CBB-1-F3 / China / 2008 / FJ889129
114. XL2008 / China / 2008 / EU880436
115. YN2008 / China / 2008 / EU880435
116. GS2008 / China / 2008 / EU880431
117. CH-1R / China / 2008 / EU807840
118. 08SDWF / China / 2008 / GU168569
119. WUH2 / China / 2008 / EU678352
Table S1 continued
120. JXM80 / China / 2008 / GQ499196
121. JXM60 / China / 2008 / GQ499195
122. JXM40 / China / 2008 / GQ499194
123. JXM20 / China / 2008 / GQ499193
124. NT0801 / China / 2008 / HQ315836
125. BB0907 / China / 2009 / HQ315835
126. SX-09 / China / 2009 / HQ843181
127. SD-09 / China / 2009 / HQ843180
128. HLM-09 / China / 2009 / HQ843179
129. SY0909 / China / 2009 / HQ315837
130. HLJHL / China / 2009 / HM189676
131. GX09-32 / China / 2009 / HM214915
132. GX09-29 / China / 2009 / HM214914
133. GX09-16 / China / 2009 / HM214913
134. ZP-1 / China / 2009 / HM016159
135. SD1-100 / China / 2009 / GQ914997
136. SX-1 / China / 2009 / GQ857656
137. SX2009 / China / 2009 / FJ895329
138. GD / China / 2009 / GU143913
139. 09HUB5 / China / 2009 / GU168568
140. 09HUB7 / China / 2009 / GU168567
141. 01NP1 / Thailand / 2001 / DQ056373
142. VR-2332 / USA / 1989 / U87392
143. P129 / USA / 1995 / AF494042
144. NVSL 97-7985 IA 1-4-2 / USA / 1997 / AF325691
145. 16244B / USA / 1997 / NC_001961
146. NVSL 97-7895 / USA / 1997 / AY545985
147. JA142 / USA / 1997 / AY424271
148. MFF_After / USA / 2007 / EF532819
149. MN184C / USA / 2007 / EF488739
150. PA8 / Canada / 1995 / AF176348
Note: New sequences marked with asterisk.