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Ren N, Wang F, Zhao L, Wang S, Zhang G, Li J, Zhang B, Wang J, Bergeron E, Yuan Z, Xia H. Efficient rescue of a newly classified Ebinur lake orthobunyavirus with GFP reporter and its application in rapid antiviral screening. Antiviral Res 2022; 207:105421. [PMID: 36150523 DOI: 10.1016/j.antiviral.2022.105421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/29/2022] [Accepted: 09/15/2022] [Indexed: 11/30/2022]
Abstract
Orthobunyaviruses have been reported to cause severe diseases in humans or animals, posing a potential threat to human health and socio-economy. Ebinur lake virus (EBIV) is a newly classified orthobunyavirus, which can induce the histopathogenic change and even the high mortality of infected BALB/c mice. Therefore, it is needed to further study the viral replication and pathogenesis, and develop the therapies to cope with its potential infection to human or animals. Here, through the reverse genetics system, the recombinant EBIV of wild type (rEBIV/WT) and NP-conjugated-eGFP (rEBIV/eGFP/S) were rescued for the application of the high-content screening (HCS) of antiviral drug. The eGFP fluorescence signal of the rEBIV/eGFP/S was stable in the process of successive passage in BHK-21 cells (over 10 passages) and this recombinant virus could replicate in various cell lines. Compared to the wild type EBIV, the rEBIV/eGFP/S caused the smaller plaques (diameter around 1 mm on 3 dpi) and lower peak titers (105 PFU/mL), suggesting attenuation due to the eGFP insertion. Through the high-content screening (HCS) system, two antiviral compounds, ribavirin and favipiravir, which previously reported to have effect to some bunyavirus were tested firstly. Ribavirin showed an inhibitory effect on the rEBIV/eGFP/S (EC50 = 14.38 μM) as our expect, while favipiravir with no inhibitory effect even using high doses. Furthermore, Tyrphostin A9 (EC50 = 0.72 μM for rEBIV/eGFP/S, EC50 = 0.05 μM for EBIV-WT) and UNC0638 (EC50 = 1.26 μM for rEBIV/eGFP/S, EC50 = 1.10 μM for rEBIV/eGFP/S) were identified with strong antiviral effect against EBIV in vitro from 150 antiviral compounds. In addition, the time-of-addition assay indicated that Tyrphostin A9 worked in the stage of viral post-infection, and the UNC0638 in all pre-, co-, and post-infection stages. This robust reverse genetics system will facilitate the investigation into the studying of viral replication and assembly mechanisms, and the development of drug and vaccine for EBIV in the future.
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Affiliation(s)
- Nanjie Ren
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China; University of Chinese Academy of Sciences, Beijing, China
| | - Fei Wang
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China
| | - Lu Zhao
- Institute of Biology, Westlake Institute for Advanced Study, School of Life Sciences, Westlake University, Zhejiang, China
| | - Shunlong Wang
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China; University of Chinese Academy of Sciences, Beijing, China
| | - Guilin Zhang
- Xinjiang Heribase Biotechnology CO., LTD., Urumqi, China
| | - Jiaqi Li
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China; University of Chinese Academy of Sciences, Beijing, China
| | - Bo Zhang
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China; University of Chinese Academy of Sciences, Beijing, China
| | - Jinglin Wang
- Yunnan Tropical and Subtropical Animal Viral Disease Laboratory, Yunnan Animal Science and Veterinary Institute, Kunming, Yunnan, China
| | - Eric Bergeron
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, United States
| | - Zhiming Yuan
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China; University of Chinese Academy of Sciences, Beijing, China.
| | - Han Xia
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China; University of Chinese Academy of Sciences, Beijing, China.
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Behar A, Friedgut O, Rotenberg D, Zalesky O, Izhaki O, Yulzary A, Rot A, Wolkomirsky R, Zamir L, Hmd F, Brenner J. Insights on Transmission, Spread, and Possible Endemization of Selected Arboviruses in Israel—Interim Results from Five-Year Surveillance. Vet Sci 2022; 9:vetsci9020065. [PMID: 35202318 PMCID: PMC8878003 DOI: 10.3390/vetsci9020065] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/27/2022] [Accepted: 01/29/2022] [Indexed: 02/04/2023] Open
Abstract
Outbreaks of arthropod-borne (arbo) viruses that infect livestock impact the health and welfare of domestic and wild animals are often responsible for significant economic losses in livestock production. Surveillance and early warning systems effectively predict the emergence and re-emergence of arboviral disease. This paper presents the interim results of five years monitoring the exposure of sentinel naïve heifers and Culicoides biting midges (Diptera; Ceratopogonidae) to bovine ephemeral fever virus (BEFV), Simbu serogroup viruses, bluetongue viruses (BTV), and epizootic hemorrhagic disease viruses (EHDV). The data were collected from 11 dairy farms situated within eight different geographical regions in Israel. The results indicate that cattle in Israel are affected by all four viruses from the early summer onward. The investigated viruses exhibit unique site-specific profiles in both ruminants and vectors. The potential of several vectors to transmit these viruses and lack of cross-protection to re-infection with multiple serotypes (BTV and EHDV) or species (Simbu serogroup viruses) highlights some likely mechanisms that may play a role in these viruses’ maintenance cycle and possible endemization in our region.
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Affiliation(s)
- Adi Behar
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
- Correspondence:
| | - Orly Friedgut
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
| | - Ditza Rotenberg
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
| | - Olga Zalesky
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
| | - Omer Izhaki
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
| | - Amit Yulzary
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
| | - Asael Rot
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
| | | | - Lior Zamir
- Veterinary Field Services, Bet Dagan 50250, Israel; (R.W.); (L.Z.); (F.H.)
| | - Faris Hmd
- Veterinary Field Services, Bet Dagan 50250, Israel; (R.W.); (L.Z.); (F.H.)
| | - Jacob Brenner
- Division of Parasitology, Kimron Veterinary Institute, Bet Dagan 50250, Israel; (O.F.); (D.R.); (O.Z.); (O.I.); (A.Y.); (A.R.); (J.B.)
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