Emergence of mosaic recombinant strains potentially associated with vaccine JXA1-R and predominant circulating strains of porcine reproductive and respiratory syndrome virus in different provinces of China

Table 3 PRRSV recombination events documented in this study

Recombination set	Year	Location	Parental strains	Breakpoint position (nt)
Set1 ( innerlineages )
( SL10.7 ± 10.6 )
15GD2,15GD3	2015	Guangdong	15GD1 + JXA1-R	1310, 4895, 8716
15HUN1,15HUN2	2015	Hunan	15GD1 + JXA1-R	2421, 4895, 8716
10FS1-GD	2010	Guangdong	10HD-GD + JXA1-R	7942, 9254, 14692
Set2 ( interlineages )
( L9 ± SL10.7 )
15JX1*	2015	Jiangxi	NADC30 + JXA1-R	1151, 2054
15HEN1*	2015	Henan	NADC30 + JXA1-R	5298, 7957
15SC3*	2015	Sichuan	NADC30 + JXA1-R	2004, 7758, 8024
Set3 ( inner & interlineages )
( L9 ± SL10.7 ± 10.6 )
15HEB1*	2015	Hebei	NADC30 + JXA1-R + 10-10JX	2639, 3318, 12171
15LN3*	2015	Liaoning	NADC30 + JXA1-R + 10-10JX	684, 1318, 2020, 5666, 8743

*Strains isolated in this study; Breakpoint position in reference to VR-2332 (accession number U87392)

ISSN: 1743-422X