PMID- 37896867 OWN - NLM STAT- MEDLINE DCOM- 20231030 LR - 20231103 IS - 1999-4915 (Electronic) IS - 1999-4915 (Linking) VI - 15 IP - 10 DP - 2023 Oct 14 TI - The Isolation and Characterization of a Novel Group III-Classified Getah Virus from a Commercial Modified Live Vaccine against PRRSV. LID - 10.3390/v15102090 [doi] LID - 2090 AB - As an epizootic causative agent, the Getah virus (GETV) can cause moderate illness in horses, lethal disease in foxes, and reproductive disorders and fetal death in pigs. Due to the wide range of hosts and multiple routes of transmission, GETV has become a growing potential threat to the global livestock industry, and even to public health. More attention and research on GETV are urgently needed. In this study, we successfully isolated a novel GETV strain, named BJ0304, from a commercial live vaccine against porcine reproductive and respiratory syndrome virus (PRRSV) and determined its growth kinetics. Then, genetic and phylogenetic analyses were performed. The results revealed that BJ0304 was clustered into Group III, and it was most related to the GETV-V1 strain based on the complete genome sequence. Furthermore, the pathogenicity of the isolate was assessed and found to be a low virulent strain in mice relative to its closest homolog GETV-V1. Finally, mutation and glycosylation analysis showed that a unique mutation (171 T > I) at one amino acid of E2, which affected the glycosylation of E2, may be associated with viral pathogenicity. In summary, the general characteristic of a novel Group III-classified GETV-BJ0304 isolated from commercial live PRRSV vaccine was defined and then mutation/glycosylation-related potential virulence factor was discussed. This study highlights the complexity of GETV transmission routes in swine and the need for more surveillance on commercial animal vaccines, contributes to the understanding of genetic characterization of clinical isolates, provides possible virulence factors in favor of unveiling the viral pathogenesis, and eventually lays the foundation for the prevention and control of GETV. FAU - Gao, Xintao AU - Gao X AD - Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Li, Jialei AU - Li J AD - Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Wu, Tong AU - Wu T AD - Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Dou, Jinping AU - Dou J AUID- ORCID: 0000-0001-9226-4676 AD - Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Zhang, Wenrong AU - Zhang W AD - College of Life Sciences, Capital Normal University, Beijing 100081, China. FAU - Jia, Hong AU - Jia H AD - Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Zhang, Zhifang AU - Zhang Z AD - Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Liu, Xingjian AU - Liu X AUID- ORCID: 0000-0001-8198-8089 AD - Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. FAU - Li, Yinu AU - Li Y AUID- ORCID: 0000-0002-9310-8381 AD - Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20231014 PL - Switzerland TA - Viruses JT - Viruses JID - 101509722 RN - 0 (Vaccines) SB - IM MH - Animals MH - Swine MH - Horses MH - Mice MH - *Porcine respiratory and reproductive syndrome virus/genetics MH - *Alphavirus/genetics MH - Phylogeny MH - *Vaccines MH - *Porcine Reproductive and Respiratory Syndrome/prevention & control PMC - PMC10611409 OTO - NOTNLM OT - E2 OT - Getah virus OT - PRRSV vaccine OT - mutation and glycosylation OT - pathogenicity OT - phylogenetic analysis COIS- The authors declare no conflict of interest. EDAT- 2023/10/28 11:45 MHDA- 2023/10/30 06:47 PMCR- 2023/10/14 CRDT- 2023/10/28 01:29 PHST- 2023/09/21 00:00 [received] PHST- 2023/10/11 00:00 [revised] PHST- 2023/10/12 00:00 [accepted] PHST- 2023/10/30 06:47 [medline] PHST- 2023/10/28 11:45 [pubmed] PHST- 2023/10/28 01:29 [entrez] PHST- 2023/10/14 00:00 [pmc-release] AID - v15102090 [pii] AID - viruses-15-02090 [pii] AID - 10.3390/v15102090 [doi] PST - epublish SO - Viruses. 2023 Oct 14;15(10):2090. doi: 10.3390/v15102090.