Detection and characterization of the Dezidougou virus (genus Negevirus) in mosquitoes (Ochlerotatus caspius) collected in the Republic of Sakha (Yakutia)
- 作者: Stepanyuk M.A.1, Legostaev S.S.1, Karelina K.V.1, Timofeeva N.F.2, Emtsova K.F.1, Ohlopkova O.V.1, Taranov O.S.1, Ternovoi V.A.1, Protopopov A.V.2, Loktev V.B.1, Svyatchenko V.A.1, Agafonov A.P.1
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隶属关系:
- State Research Center of Virology and Biotechnology «Vector»
- M.K. Ammosov North-Eastern Federal University
- 期: 卷 70, 编号 1 (2025)
- 页面: 47-56
- 栏目: ORIGINAL RESEARCH
- URL: https://journals.rcsi.science/0507-4088/article/view/287909
- DOI: https://doi.org/10.36233/0507-4088-280
- EDN: https://elibrary.ru/pbmmdx
- ID: 287909
如何引用文章
详细
Introduction. Monitoring and research on arthropod-borne microorganisms is important. Recently, with the development of next-generation sequencing methods, many previously unknown viruses have been identified in insects.
Aim of the study. Isolation of viruses from mosquitoes sampled in the Republic of Sakha (Yakutia), followed by the study of a new for Russia negevirus isolated from mosquitoes of the species Ochlerotatus caspius, including determination of its complete nucleotide sequence, phylogenetic and virological characteristics.
Materials and methods. Dezidougou virus isolation was performed on C6/36 (Aedes albopictus) cell culture. Electron microscopy was performed using a JEM 1400 electron microscope. Nucleotide sequence screening was performed by NGS on a high-throughput sequencer MiSeq, Illumina (USA). Full genome nucleotide sequence was determined by Sanger sequencing. Phylogenetic analysis was performed using GenBank database, using Vector NTI Advance 11 and MEGA 11 programs.
Results. The virus isolated from mosquitoes replicated efficiently in C6/36 cells, causing their death. However, it did not replicate in the mammalian cell cultures used. The isolated virus did not cause pathologic manifestations in suckling mice when infected intracerebrally. Electron microscopic examination of the purified virus-containing suspension showed the presence of spherical viral particles with a diameter of 45‒55 nm. The results of full genome sequencing identified it as belonging to Dezidougou virus, first isolated in Côte d’Ivoire. The nucleotide sequence of the genome of Yakutsk 2023 strain of Dezidougou virus was deposited in GenBank (PP975071.1).
Conclusion. Dezidougou virus of genus Negevirus was isolated and characterized for the first time in the Russian Federation. Further studies on the prevalence of negeviruses, their virological features, potential importance for public health and their impact on vector competence of vectors are important and promising.
作者简介
Marina Stepanyuk
State Research Center of Virology and Biotechnology «Vector»
Email: stepanyuk_ma@vector.nsc.ru
ORCID iD: 0009-0002-2658-7746
junior researcher of the department of molecular virology of flaviviruses and viral hepatitis
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionStanislav Legostaev
State Research Center of Virology and Biotechnology «Vector»
Email: legostaev_ss@vector.nsc.ru
ORCID iD: 0000-0002-6202-445X
trainee researcher of the department of molecular virology of flaviviruses and viral hepatitis
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionKristina Karelina
State Research Center of Virology and Biotechnology «Vector»
Email: karelina_kv@vector.nsc.ru
ORCID iD: 0009-0003-1421-1765
trainee researcher of the department of molecular virology of flaviviruses and viral hepatitis
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionNina Timofeeva
M.K. Ammosov North-Eastern Federal University
Email: niakswan@mail.ru
ORCID iD: 0000-0001-9895-5873
Researcher
俄罗斯联邦, 677000, Republic of Sakha (Yakutia), YakutskKsenia Emtsova
State Research Center of Virology and Biotechnology «Vector»
Email: k.emtsova@g.nsu.ru
ORCID iD: 0009-0003-5165-5357
trainee researcher of microscopic research department
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionOlesia Ohlopkova
State Research Center of Virology and Biotechnology «Vector»
编辑信件的主要联系方式.
Email: ohlopkova_ov@vector.nsc.ru
ORCID iD: 0000-0002-8214-7828
Candidate of Biological Sciences, Senior Researcher, Department of Biophysics and Environmental Research
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionOleg Taranov
State Research Center of Virology and Biotechnology «Vector»
Email: taranov@vector.nsc.ru
ORCID iD: 0000-0002-6746-8092
head of microscopic research department
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionVladimir Ternovoi
State Research Center of Virology and Biotechnology «Vector»
Email: tern@vector.nsc.ru
ORCID iD: 0000-0003-1275-171X
Candidate of Biological Sciences, Leading Researcher, Department of Molecular Virology of Flaviviruses and Viral Hepatitis
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionAlbert Protopopov
M.K. Ammosov North-Eastern Federal University
Email: a.protopopov@mail.ru
ORCID iD: 0000-0001-6543-4596
Doctor of Biological Sciences, Chief Researcher
俄罗斯联邦, 677000, Republic of Sakha (Yakutia), YakutskValery Loktev
State Research Center of Virology and Biotechnology «Vector»
Email: loktev@vector.nsc.ru
ORCID iD: 0000-0002-0229-321X
MD, PhD, DSc, Prof., academician RANS, Chief Researcher, Department of Molecular Virology of Flaviviruses and Viral Hepatitis
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionVictor Svyatchenko
State Research Center of Virology and Biotechnology «Vector»
Email: svyat@vector.nsc.ru
ORCID iD: 0000-0002-2729-0592
Candidate of Biological Sciences, Leading Researcher, Department of Molecular Virology of Flaviviruses and Viral Hepatitis
俄罗斯联邦, 630559, Koltsovo, Novosibirsk regionAlexander Agafonov
State Research Center of Virology and Biotechnology «Vector»
Email: agafonov@vector.nsc.ru
ORCID iD: 0000-0003-2577-0434
Doctor of Biological Sciences, Director General, Federal Biotechnology and Biotechnology
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