PMID- 19961694 OWN - NLM STAT- MEDLINE DCOM- 20100222 LR - 20211020 IS - 1080-6059 (Electronic) IS - 1080-6040 (Print) IS - 1080-6040 (Linking) VI - 15 IP - 12 DP - 2009 Dec TI - Recombination in vaccine and circulating strains of porcine reproductive and respiratory syndrome viruses. PG - 2032-5 LID - 10.3201/eid1512.090390 [doi] AB - Em2007, a porcine reproductive and respiratory syndrome virus (PRRSV) variant with a unique 68 aa deletion in Nsp2, was recently isolated in China. Phylogenetic and molecular evolutionary analyses indicated that Em2007 is a natural recombinant between a vaccine strain of PRRSV and circulating virus. We also tested its pathogenicity in piglets. FAU - Li, Bin AU - Li B AD - Huazhong Agricultural University, Wuhan 430070, People's Republic of China. FAU - Fang, Liurong AU - Fang L FAU - Xu, Zuofei AU - Xu Z FAU - Liu, Suyan AU - Liu S FAU - Gao, Jianfeng AU - Gao J FAU - Jiang, Yunbo AU - Jiang Y FAU - Chen, Huanchun AU - Chen H FAU - Xiao, Shaobo AU - Xiao S LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Emerg Infect Dis JT - Emerging infectious diseases JID - 9508155 RN - 0 (Viral Vaccines) SB - IM MH - Animals MH - Open Reading Frames MH - Phylogeny MH - Porcine respiratory and reproductive syndrome virus/classification/*genetics MH - *Recombination, Genetic MH - Swine MH - Viral Vaccines PMC - PMC3044526 EDAT- 2009/12/08 06:00 MHDA- 2010/02/23 06:00 PMCR- 2009/12/01 CRDT- 2009/12/08 06:00 PHST- 2009/12/08 06:00 [entrez] PHST- 2009/12/08 06:00 [pubmed] PHST- 2010/02/23 06:00 [medline] PHST- 2009/12/01 00:00 [pmc-release] AID - 09-0390 [pii] AID - 10.3201/eid1512.090390 [doi] PST - ppublish SO - Emerg Infect Dis. 2009 Dec;15(12):2032-5. doi: 10.3201/eid1512.090390.