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Deézsi-Magyar N, Dénes B, Novák B, Zsidei G, Déri D, Henczkó J, Pályi B, Kis Z. First Broad-Range Serological Survey of Crimean-Congo Hemorrhagic Fever among Hungarian Livestock. Viruses 2024; 16:875. [PMID: 38932166 PMCID: PMC11209279 DOI: 10.3390/v16060875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
(1) Background: Crimean-Congo hemorrhagic fever (CCHF) is an emerging tick-borne disease endemic in Africa, Asia, the Middle East, and the Balkan and Mediterranean regions of Europe. Although no human CCHF cases have been reported, based on vector presence, serological evidence among small vertebrates, and the general human population, Hungary lies within high evidence consensus for potential CCHF introduction and future human infection. Thus, the aim of our pilot serosurvey was to assess CCHF seropositivity among cattle and sheep as indicator animals for virus circulation in the country. (2) Methods: In total, 1905 serum samples taken from free-range cattle and sheep in 2017 were tested for the presence of anti-CCHF virus IgG antibodies using commercial ELISA and commercial and in-house immunofluorescent assays. (3) Results: We found a total of eleven reactive samples (0.58%) from five administrative districts of Hungary comprising 8 cattle and 3 sheep. The most affected regions were the south-central and northwestern parts of the country. (4) Conclusions: Based on these results, more extended surveillance is advised, especially in the affected areas, and there should be greater awareness among clinicians and other high-risk populations of the emerging threat of CCHF in Hungary and Central Europe.
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Affiliation(s)
- Nóra Deézsi-Magyar
- National Biosafety Laboratory, National Center for Public Health and Pharmacy, 1097 Budapest, Hungary (B.N.); (D.D.)
- School of PhD Studies, Semmelweis University, 1091 Budapest, Hungary
| | - Béla Dénes
- Department of Microbiology and Infectious Diseases, University of Veterinary Medicine Budapest, 1143 Budapest, Hungary;
- National Laboratory of Infectious Animal Diseases, Antimicrobial Resistance, Veterinary Public Health and Food Chain Safety, University of Veterinary Medicine Budapest, 1078 Budapest, Hungary
- Veterinary Diagnostic Directorate, National Food Chain Safety Office, 1024 Budapest, Hungary
| | - Bereniké Novák
- National Biosafety Laboratory, National Center for Public Health and Pharmacy, 1097 Budapest, Hungary (B.N.); (D.D.)
| | - Gyula Zsidei
- National Biosafety Laboratory, National Center for Public Health and Pharmacy, 1097 Budapest, Hungary (B.N.); (D.D.)
| | - Dániel Déri
- National Biosafety Laboratory, National Center for Public Health and Pharmacy, 1097 Budapest, Hungary (B.N.); (D.D.)
| | - Judit Henczkó
- National Biosafety Laboratory, National Center for Public Health and Pharmacy, 1097 Budapest, Hungary (B.N.); (D.D.)
- School of PhD Studies, Semmelweis University, 1091 Budapest, Hungary
| | - Bernadett Pályi
- National Biosafety Laboratory, National Center for Public Health and Pharmacy, 1097 Budapest, Hungary (B.N.); (D.D.)
- European Research Infrastructure on Highly Pathogenic Agents (ERINHA-AISBL), B-1050 Brussels, Belgium
| | - Zoltán Kis
- National Biosafety Laboratory, National Center for Public Health and Pharmacy, 1097 Budapest, Hungary (B.N.); (D.D.)
- European Research Infrastructure on Highly Pathogenic Agents (ERINHA-AISBL), B-1050 Brussels, Belgium
- Institute of Medical Microbiology, Faculty of Medicine, Semmelweis University, 1085 Budapest, Hungary
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Welch SR, Garrison AR, Bente DA, Burt F, D'Addiego J, Devignot S, Dowall S, Fischer K, Hawman DW, Hewson R, Mirazimi A, Oestereich L, Vatansever Z, Spengler JR, Papa A. Third International Conference on Crimean-Congo Hemorrhagic Fever in Thessaloniki, Greece, September 19-21, 2023. Antiviral Res 2024; 225:105844. [PMID: 38428749 DOI: 10.1016/j.antiviral.2024.105844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 02/19/2024] [Accepted: 02/25/2024] [Indexed: 03/03/2024]
Abstract
The Third International Conference on Crimean-Congo Hemorrhagic Fever (CCHF) was held in Thessaloniki, Greece, September 19-21, 2023, bringing together a diverse group of international partners, including public health professionals, clinicians, ecologists, epidemiologists, immunologists, and virologists. The conference was attended by 118 participants representing 24 countries and the World Health Organization (WHO). Meeting sessions covered the epidemiology of CCHF in humans; Crimean-Congo hemorrhagic fever virus (CCHFV) in ticks; wild and domestic animal hosts; molecular virology; pathogenesis and animal models; immune response related to therapeutics; and CCHF prevention in humans. The concluding session focused on recent WHO recommendations regarding disease prevention, control strategies, and innovations against CCHFV outbreaks. This meeting report summarizes lectures by the invited speakers and highlights advances in the field.
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Affiliation(s)
- Stephen R Welch
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA.
| | - Aura R Garrison
- Virology Division, United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, MD, USA
| | - Dennis A Bente
- Galveston National Laboratory, Department of Microbiology and Immunology, Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, TX, USA
| | - Felicity Burt
- Division of Virology, National Health Laboratory Service and Division of Virology, University of the Free State, Bloemfontein, South Africa
| | - Jake D'Addiego
- UK Health Security Agency, Porton Down, Salisbury, Wiltshire, UK
| | - Stephanie Devignot
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet at Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Stuart Dowall
- UK Health Security Agency, Porton Down, Salisbury, Wiltshire, UK
| | - Kerstin Fischer
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute of Animal Health, Greifswald-Insel Riems, Germany
| | - David W Hawman
- Laboratory of Virology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rocky Mountain Laboratories, Hamilton, MT, USA
| | - Roger Hewson
- UK Health Security Agency, Porton Down, Salisbury, Wiltshire, UK
| | - Ali Mirazimi
- Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet at Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Lisa Oestereich
- Bernhard Nocht Institute for Tropical Medicine and German Center for Infectious Research, Partner Sites Hamburg-Lübeck-Borstel-Riems, Hamburg, Germany
| | - Zati Vatansever
- Kafkas University, Faculty of Veterinary Medicine, Dept. of Parasitology, Kars, Turkey
| | - Jessica R Spengler
- Viral Special Pathogens Branch, Division of High Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Anna Papa
- Department of Microbiology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece
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S. Celina S, Černý J. Genetic background of adaptation of Crimean-Congo haemorrhagic fever virus to the different tick hosts. PLoS One 2024; 19:e0302224. [PMID: 38662658 PMCID: PMC11045102 DOI: 10.1371/journal.pone.0302224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Crimean-Congo haemorrhagic fever orthonairovirus (CCHFV) is a negative-sense, single-stranded RNA virus with a segmented genome and the causative agent of a severe Crimean-Congo haemorrhagic fever (CCHF) disease. The virus is transmitted mainly by tick species in Hyalomma genus but other ticks such as representatives of genera Dermacentor and Rhipicephalus may also be involved in virus life cycle. To improve our understanding of CCHFV adaptation to its tick species, we compared nucleotide composition and codon usage patterns among the all CCHFV strains i) which sequences and other metadata as locality of collection and date of isolation are available in GenBank and ii) which were isolated from in-field collected tick species. These criteria fulfilled 70 sequences (24 coding for S, 23 for M, and 23 for L segment) of virus isolates originating from different representatives of Hyalomma and Rhipicephalus genera. Phylogenetic analyses confirmed that Hyalomma- and Rhipicephalus-originating CCHFV isolates belong to phylogenetically distinct CCHFV clades. Analyses of nucleotide composition among the Hyalomma- and Rhipicephalus-originating CCHFV isolates also showed significant differences, mainly in nucleotides located at the 3rd codon positions indicating changes in codon usage among these lineages. Analyses of codon adaptation index (CAI), effective number of codons (ENC), and other codon usage statistics revealed significant differences between Hyalomma- and Rhipicephalus-isolated CCHFV strains. Despite both sets of strains displayed a higher adaptation to use codons that are preferred by Hyalomma ticks than Rhipicephalus ticks, there were distinct codon usage preferences observed between the two tick species. These findings suggest that over the course of its long co-evolution with tick vectors, CCHFV has optimized its codon usage to efficiently utilize translational resources of Hyalomma species.
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Affiliation(s)
- Seyma S. Celina
- Faculty of Tropical AgriSciences, Center for Infectious Animal Diseases, Czech University of Life Sciences Prague, Prague, Czech Republic
| | - Jiří Černý
- Faculty of Tropical AgriSciences, Center for Infectious Animal Diseases, Czech University of Life Sciences Prague, Prague, Czech Republic
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Kapo N, Zuber Bogdanović I, Gagović E, Žekić M, Veinović G, Sukara R, Mihaljica D, Adžić B, Kadriaj P, Cvetkovikj A, Djadjovski I, Potkonjak A, Velo E, Savić S, Tomanović S, Omeragić J, Beck R, Hodžić A. Ixodid ticks and zoonotic tick-borne pathogens of the Western Balkans. Parasit Vectors 2024; 17:45. [PMID: 38297327 PMCID: PMC10832161 DOI: 10.1186/s13071-023-06116-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/27/2023] [Indexed: 02/02/2024] Open
Abstract
Ixodid ticks are distributed across all countries of the Western Balkans, with a high diversity of species. Many of these species serve as vectors of pathogens of veterinary and medical importance. Given the scattered data from Western Balkan countries, we have conducted a comprehensive review of available literature, including some historical data, with the aim to compile information about all recorded tick species and associated zoonotic pathogens in this region. Based on the collected data, the tick fauna of the Western Balkans encompasses 32 tick species belonging to five genera: Ixodes, Haemaphysalis, Dermacentor, Rhipicephalus and Hyalomma. A range of pathogens responsible for human diseases has also been documented, including viruses, bacteria and parasites. In this review, we emphasize the necessity for integrated surveillance and reporting, urging authorities to foster research by providing financial support. Additionally, international and interdisciplinary collaborations should be encouraged that include the exchange of expertise, experiences and resources. The present collaborative effort can effectively address gaps in our knowledge of ticks and tick-borne diseases.
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Affiliation(s)
- Naida Kapo
- Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | | | - Ema Gagović
- Department for Bacteriology and Parasitology, Laboratory for Parasitology, Croatian Veterinary Institute, Zagreb, Croatia
| | - Marina Žekić
- Scientific Veterinary Institute "Novi Sad", Novi Sad, Serbia
| | - Gorana Veinović
- Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Ratko Sukara
- Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Darko Mihaljica
- Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Bojan Adžić
- Diagnostic Veterinary Laboratory, Podgorica, Montenegro
| | - Përparim Kadriaj
- Vector Control Unit, Department of Epidemiology and Control of Infectious Diseases, Institute of Public Health, Tirana, Albania
| | - Aleksandar Cvetkovikj
- Veterinary Institute, Faculty of Veterinary Medicine, Ss. Cyril and Methodius University in Skopje, Skopje, North Macedonia
| | - Igor Djadjovski
- Veterinary Institute, Faculty of Veterinary Medicine, Ss. Cyril and Methodius University in Skopje, Skopje, North Macedonia
| | - Aleksandar Potkonjak
- Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
| | - Enkelejda Velo
- Vector Control Unit, Department of Epidemiology and Control of Infectious Diseases, Institute of Public Health, Tirana, Albania
| | - Sara Savić
- Scientific Veterinary Institute "Novi Sad", Novi Sad, Serbia
| | - Snežana Tomanović
- Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Jasmin Omeragić
- Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Relja Beck
- Department for Bacteriology and Parasitology, Laboratory for Parasitology, Croatian Veterinary Institute, Zagreb, Croatia.
| | - Adnan Hodžić
- Department of Microbiology and Ecosystem Science, Centre for Microbiology and Environmental Systems Science (CMESS), University of Vienna, Vienna, Austria.
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5
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Fares M, Brennan B. Virus-host interactions during tick-borne bunyavirus infection. Curr Opin Virol 2022; 57:101278. [PMID: 36375406 DOI: 10.1016/j.coviro.2022.101278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/21/2022] [Accepted: 10/20/2022] [Indexed: 11/13/2022]
Abstract
The Bunyavirales order is the largest grouping of RNA viruses, comprising emerging and re-emerging human, plant and animal pathogens. Bunyaviruses have a global distribution and many members of the order are transmitted by arthropods. They have evolved a plethora of mechanisms to manipulate the regulatory processes of the infected cell to facilitate their own replicative cycle, in hosts of disparate phylogenies. Interest in virus-vector interactions is growing rapidly. However, current understanding of tick-borne bunyavirus cellular interaction is heavily biased to studies conducted in mammalian systems. In this short review, we summarise current understandings of how tick-borne bunyaviruses utilise major cellular pathways (innate immunity, apoptosis and RNAi responses) in mammalian or tick cells to facilitate virus replication.
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Affiliation(s)
- Mazigh Fares
- Medical Research Council-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, Scotland, UK
| | - Benjamin Brennan
- Medical Research Council-University of Glasgow Centre for Virus Research, Glasgow G61 1QH, Scotland, UK.
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6
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Papa A, Marklewitz M, Paraskevopoulou S, Garrison AR, Alkhovsky SV, Avšič-Županc T, Bente DA, Bergeron É, Burt F, Di Paola N, Ergünay K, Hewson R, Mirazimi A, Sall AA, Spengler JR, Postler TS, Palacios G, Kuhn JH. History and classification of Aigai virus (formerly Crimean-Congo haemorrhagic fever virus genotype VI). J Gen Virol 2022; 103. [PMID: 35412967 PMCID: PMC10026732 DOI: 10.1099/jgv.0.001734] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Crimean-Congo haemorrhagic fever virus (CCHFV) is the medically most important member of the rapidly expanding bunyaviral family Nairoviridae. Traditionally, CCHFV isolates have been assigned to six distinct genotypes. Here, the International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group outlines the reasons for the recent decision to re-classify genogroup VI (aka Europe-2 or AP-92-like) as a distinct virus, Aigai virus (AIGV).
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Affiliation(s)
- Anna Papa
- National Reference Centre for Arboviruses and Haemorrhagic Fever Viruses (Εθνικό Κέντρο Αναφοράς Αρμποϊών και Αιμορραγικών πυρετών, 1st Laboratory of Microbiology (Α' Εργαστήριο Μικροβιολογίας), School of Medicine (Τμήμα Ιατρικής), Aristotle University of Thessaloniki (Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης), Thessaloniki, Greece
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
| | - Marco Marklewitz
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Sofia Paraskevopoulou
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Aura R Garrison
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland, USA
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
| | - Sergey V Alkhovsky
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- D. I. Ivanovsky Institute of Virology of the N. F. Gamaleya National Center on Epidemiology and Microbiology of Ministry of Health of Russian Federation (Институт вирусологии им. Д. И. Ивановского, входящий в состав ФГБУ «НИЦЭМ им. Н. Ф. Гамалеи» Минздрава России), Moscow, Russia
| | - Tatjana Avšič-Županc
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
- University of Ljubljana (Univerza v Ljubljani), Faculty of Medicine (Medicinska fakulteta), Slovenia
| | - Dennis A Bente
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- University of Texas Medical Branch, Galveston, Texas, USA
| | - Éric Bergeron
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Felicity Burt
- Division of Virology, National Health Laboratory Service and Division of Virology, University of the Free State, Bloemfontein, South Africa
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
| | - Nicholas Di Paola
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland, USA
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
| | - Koray Ergünay
- Virology Unit (Viroloji Birimi), Department of Medical Microbiology (Tıbbi Mikrobiyoloji Anabilim Dalı), Faulty of Medicine (Tıp Fakültesi), Hacettepe University (Hacettepe Üniversitesi), Ankara, Turkey
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
| | - Roger Hewson
- Public Health England, Porton Down, Wiltshire, Salisbury, UK
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
| | - Ali Mirazimi
- Folkhalsomyndigheten, Stockholm, Sweden
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
| | - Amadou Alpha Sall
- Institut Pasteur de Dakar, Dakar, Senegal
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
| | - Jessica R Spengler
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- Viral Special Pathogens Branch, Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Thomas S Postler
- Department of Microbiology & Immunology, Vagelos College of Physicians & Surgeons, Columbia University Irving Medical Center, New York, NY, USA
| | - Gustavo Palacios
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland, USA
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
| | - Jens H Kuhn
- Integrated Research Facility at Fort Detrick. National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick, Frederick, Maryland, USA
- The members of the 2017-2020 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Group
- The members of the 2020-2023 International Committee on Taxonomy of Viruses (ICTV) Nairoviridae Study Groups
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Nasirian H. Ticks infected with Crimean-Congo hemorrhagic fever virus (CCHFV): A decision approach systematic review and meta-analysis regarding their role as vectors. Travel Med Infect Dis 2022; 47:102309. [DOI: 10.1016/j.tmaid.2022.102309] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/26/2022] [Accepted: 03/07/2022] [Indexed: 12/07/2022]
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Shahid MF, Yaqub T, Ali M, Ul-Rahman A, Bente DA. Prevalence and phylogenetic analysis of Crimean-Congo hemorrhagic fever virus in ticks collected from Punjab province of Pakistan. Acta Trop 2021; 218:105892. [PMID: 33753031 DOI: 10.1016/j.actatropica.2021.105892] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 03/10/2021] [Accepted: 03/11/2021] [Indexed: 01/05/2023]
Abstract
Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne zoonotic disease of human that caused by CCHF virus. To study the epidemiological distribution of CCHFV, 2183 tick samples were collected from sheep, goats, cattle and buffalo of different livestock farms of ten districts of Punjab province of Pakistan. Detection of CCHFV was done using enzyme link immunosorbent assay (ELISA) after proper identification of tick samples. The partial S-segment of CCHFV from ELISA positive tick samples was amplified by PCR and sequenced to determine the genotype of CCHFV. Out of2183 collected tick samples, 1913 ticks belonged to 5 species of genus Hyalomma as H. antolicum (48%), H. marginatum (30.2%), H. rufipes (10.82%), H. impressum (5.43%) and H. dromedarii (5.27%). While 270 ticks belonged to 3 species of genus Rhipicephalus as R. microplus (44.8%), R. sanguineus (32.22%) and R. turanicus (24.8%). The overall antigenic prevalence of CCHFV was found to be 12.13% in collected tick samples and 21 tick pools were sequenced for partial S-segment of CCHFV. All of the 21 tick pools were clustered in genotype IV (Asia-1). The highest prevalence of CCHFV was found in district Chakwal (24.13%) followed by Mianwali (23.68%), Rawalpindi (23.07%), Attock (20.0%), Rajanpur (10.52%) and Lahore (8.33%). In positive tick pools, the highest prevalence of CCHFV antigen was found in H. antolicum (39.6%) followed by H. marginatum (30.18%), H. rufipes (13.2%), H. impressum (3.77%), H. dromedarii (1.88%), R. microplus (5.66%) and R. sanguineus (5.66%). The current study confirms the presence of CCHFV in the ticks population of Punjab. The CCHF virus present in Punjab belongs to Asia-1 genotype. It is important to control the tick infestation of the animals present in these areas. So that the transmission cycle of CCHF can be inhibited.
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Hua BL, Scholte FEM, Ohlendorf V, Kopp A, Marklewitz M, Drosten C, Nichol ST, Spiropoulou C, Junglen S, Bergeron É. A single mutation in Crimean-Congo hemorrhagic fever virus discovered in ticks impairs infectivity in human cells. eLife 2020; 9:e50999. [PMID: 33084573 PMCID: PMC7652417 DOI: 10.7554/elife.50999] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/08/2020] [Indexed: 12/20/2022] Open
Abstract
Crimean-Congo hemorrhagic fever (CCHF) is the most widely distributed tick-borne viral infection in the world. Strikingly, reported mortality rates for CCHF are extremely variable, ranging from 5% to 80% (Whitehouse, 2004). CCHF virus (CCHFV, Nairoviridae) exhibits extensive genomic sequence diversity across strains (Deyde et al., 2006; Sherifi et al., 2014). It is currently unknown if genomic diversity is a factor contributing to variation in its pathogenicity. We obtained complete genome sequences of CCHFV directly from the tick reservoir. These new strains belong to a solitary lineage named Europe 2 that is circumstantially reputed to be less pathogenic than the epidemic strains from Europe 1 lineage. We identified a single tick-specific amino acid variant in the viral glycoprotein region that dramatically reduces its fusion activity in human cells, providing evidence that a glycoprotein precursor variant, present in ticks, has severely impaired function in human cells.
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Affiliation(s)
- Brian L Hua
- Centers for Disease Control and PreventionAtlantaUnited States
| | | | - Valerie Ohlendorf
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of HealthBerlinGermany
- German Center for Infection Research (DZIF)BerlinGermany
| | - Anne Kopp
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of HealthBerlinGermany
- German Center for Infection Research (DZIF)BerlinGermany
| | - Marco Marklewitz
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of HealthBerlinGermany
- German Center for Infection Research (DZIF)BerlinGermany
| | - Christian Drosten
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of HealthBerlinGermany
- German Center for Infection Research (DZIF)BerlinGermany
| | - Stuart T Nichol
- Centers for Disease Control and PreventionAtlantaUnited States
| | | | - Sandra Junglen
- Institute of Virology, Charité-Universitätsmedizin Berlin, corporate member of Free University Berlin, Humboldt-University Berlin, and Berlin Institute of HealthBerlinGermany
- German Center for Infection Research (DZIF)BerlinGermany
| | - Éric Bergeron
- Centers for Disease Control and PreventionAtlantaUnited States
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Bilgin Z, Turan N, Cizmecigil UY, Altan E, Esatgil MU, Yilmaz A, Aydin O, Kocazeybek B, Richt JA, Yilmaz H. Investigation of Vector-Borne Viruses in Ticks, Mosquitos, and Ruminants in the Thrace District of Turkey. Vector Borne Zoonotic Dis 2020; 20:670-679. [PMID: 32397953 DOI: 10.1089/vbz.2019.2532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
There is a considerable increase in vector-borne zoonotic diseases around the world, including Turkey, such as Crimean-Congo hemorrhagic fever (CCHF), tick borne encephalitis (TBE), Rift Valley fever (RVF), and West Nile fever (WNF), causing disease and death in humans and animals and significant economical losses. Hence, the aim of this study was to investigate the presence of CCHF virus (CCHFV) and TBE virus (TBEV) in ticks and RVF virus (RVFV) and WNF virus (WNV) in mosquitos, as well as in sheep and cattle, in the Thrace district of the Marmara region, which borders Bulgaria and Greece. Buffy-coat samples from 86 cattle and 81 sheep, as well as 563 ticks and 7390 mosquitos, were collected and examined by quantitative real-time RT-PCR for the presence of CCHFV, TBEV, RVFV, and WNV. All buffy-coat samples from cattle and sheep were negative for these viruses. Similarly, all tick samples were negative for CCHFV-RNA and TBEV-RNA. Among 245 pools representing 7390 mosquitos, only 1 pool sample was found to be positive for WNV-RNA and was confirmed by sequencing. Phylogenetic analysis revealed that it was WNV lineage-2. No RVFV-RNA was detected in the 245 mosquito pools. In conclusion, results of this study indicate that CCHFV, TBEV, and RVFV are not present in livestock and respective vectors in the Thrace district of Marmara region of Turkey, whereas WNV-RNA was found in mosquitos from this region.
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Affiliation(s)
- Zahide Bilgin
- Department of Parasitology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Nuri Turan
- Department of Virology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Utku Y Cizmecigil
- Department of Virology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Eda Altan
- Department of Virology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Meltem Ulutas Esatgil
- Department of Parasitology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Aysun Yilmaz
- Department of Virology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ozge Aydin
- Department of Virology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Bekir Kocazeybek
- Department of Microbiology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Juergen A Richt
- Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas, USA
| | - Huseyin Yilmaz
- Department of Virology, Veterinary Faculty, Istanbul University-Cerrahpasa, Istanbul, Turkey
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11
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Jennings EC, Korthauer MW, Hendershot JM, Bailey ST, Weirauch MT, Ribeiro JMC, Benoit JB. Molecular mechanisms underlying milk production and viviparity in the cockroach, Diploptera punctata. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2020; 120:103333. [PMID: 32119906 PMCID: PMC7293887 DOI: 10.1016/j.ibmb.2020.103333] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/29/2020] [Accepted: 02/10/2020] [Indexed: 05/09/2023]
Abstract
Viviparous reproduction is characterized by maternal retention of developing offspring within the reproductive tract during gestation, culminating in live birth. In some cases, a mother will provide nutrition beyond that present in the yolk; this is known as matrotrophic viviparity. While this phenomenon is best associated with mammals, it is observed in insects such as the viviparous cockroach, Diploptera punctata. Female D. punctata carry developing embryos in the brood sac, a reproductive organ that acts as both a uterus and a placenta by protecting and providing a nutritive secretion to the intrauterine developing progeny. While the basic physiology of D. punctata pregnancy has been characterized, little is known about the molecular mechanisms underlying this phenomenon. This study combined RNA-seq analysis, RNA interference, and other assays to characterize molecular and physiological changes associated with D. punctata reproduction. A comparison of four stages of the female reproductive cycle and males revealed unique gene expression profiles corresponding to each stage and between sexes. Differentially regulated transcripts of interest include the previously identified family of milk proteins and transcripts associated with juvenile hormone metabolism. RNA interference and methoprene application experiments established the potential impacts of bothbreakdown and synthesis reduction of juvenile hormone in maintaining pregnancy in D. punctata. These studies provide the comprehensive molecular mechanisms associated with cockroach viviparity, which will be a critical resource for comparative purposes among viviparity in insect systems.
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Affiliation(s)
- Emily C Jennings
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Matthew W Korthauer
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Jacob M Hendershot
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Samuel T Bailey
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, 45221, USA
| | - Matthew T Weirauch
- Center for Autoimmune Genomics and Etiology (CAGE) and Divisions of Biomedical Informatics and Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, 45229, USA
| | - Jose M C Ribeiro
- Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Disease, Bethesda, MD, 20892, USA
| | - Joshua B Benoit
- Department of Biological Sciences, University of Cincinnati, Cincinnati, OH, 45221, USA.
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Cicculli V, de Lamballerie X, Charrel R, Falchi A. First molecular detection of Rickettsia africae in a tropical bont tick, Amblyomma variegatum, collected in Corsica, France. EXPERIMENTAL & APPLIED ACAROLOGY 2019; 77:207-214. [PMID: 30656468 DOI: 10.1007/s10493-018-00336-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 12/28/2018] [Indexed: 06/09/2023]
Abstract
Here we report the first detection of Amblyomma variegatum, a tick species of medical and veterinary importance, and the first molecular evidence of a pathogen, Rickettsia africae, both new to Corsica (France). In August 2018, an ixodid tick with an unusual morphology was removed from the ventral part of a cow's whole skin in a slaughterhouse located in the village of Ponte-Leccia (Haute-Corse). The tick was morphologically identified as an adult male of A. variegatum. This result was confirmed by 16S rDNA sequence analysis with a close relative being a sequence from Senegal showing 99% nucleotide identity. We tested the tick for Ehrlichia and Rickettsia. The tick was positive to Rickettsia and the corresponding sequence matched with R. africae. There is little or no risk of the introduction and establishment of a viable population of A. variegatum in Corsica by migrating birds. However, if it did, it could produce major economic losses for livestock production. Further studies and sustained surveillance are indicated, not only focusing on this species of tick and this rickettsia, but also on other microorganisms of veterinary and medical importance that might be transmitted in Corsica and other Mediterranean islands.
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Affiliation(s)
- Vincent Cicculli
- EA7310 BIOSCOPE, Laboratoire de Virologie, Université de Corse-Inserm, 20250, Corte, France
| | - Xavier de Lamballerie
- Unité des Virus Emergents (UVE), IHU Méditerranée Infection, Aix-Marseille Université, IRD 190, INSERM 1207, Marseille, France
| | - Remi Charrel
- Unité des Virus Emergents (UVE), IHU Méditerranée Infection, Aix-Marseille Université, IRD 190, INSERM 1207, Marseille, France
| | - Alessandra Falchi
- EA7310 BIOSCOPE, Laboratoire de Virologie, Université de Corse-Inserm, 20250, Corte, France.
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Papa A, Papadopoulou E, Tsioka K, Kontana A, Pappa S, Melidou A, Giadinis ND. Isolation and whole-genome sequencing of a Crimean-Congo hemorrhagic fever virus strain, Greece. Ticks Tick Borne Dis 2018. [DOI: 10.1016/j.ttbdis.2018.02.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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