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Drewes S, Jeske K, Straková P, Balčiauskas L, Ryll R, Balčiauskienė L, Kohlhause D, Schnidrig GA, Hiltbrunner M, Špakova A, Insodaitė R, Petraitytė-Burneikienė R, Heckel G, Ulrich RG. Identification of a novel hantavirus strain in the root vole (Microtus oeconomus) in Lithuania, Eastern Europe. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2021; 90:104520. [PMID: 32890767 DOI: 10.1016/j.meegid.2020.104520] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/13/2020] [Accepted: 08/26/2020] [Indexed: 12/22/2022]
Abstract
Hantaviruses are zoonotic pathogens that can cause subclinical to lethal infections in humans. In Europe, five orthohantaviruses are present in rodents: Myodes-associated Puumala orthohantavirus (PUUV), Microtus-associated Tula orthohantavirus, Traemmersee hantavirus (TRAV)/ Tatenale hantavirus (TATV)/ Kielder hantavirus, rat-borne Seoul orthohantavirus, and Apodemus-associated Dobrava-Belgrade orthohantavirus (DOBV). Human PUUV and DOBV infections were detected previously in Lithuania, but the presence of Microtus-associated hantaviruses is not known. For this study we screened 234 Microtus voles, including root voles (Microtus oeconomus), field voles (Microtus agrestis) and common voles (Microtus arvalis) from Lithuania for hantavirus infections. This initial screening was based on reverse transcription-polymerase chain reaction (RT-PCR) targeting the S segment and serological analysis. A novel hantavirus was detected in eight of 79 root voles tentatively named "Rusne virus" according to the capture location and complete genome sequences were determined. In the coding regions of all three genome segments, Rusne virus showed high sequence similarity to TRAV and TATV and clustered with Kielder hantavirus in phylogenetic analyses of partial S and L segment sequences. Pairwise evolutionary distance analysis confirmed Rusne virus as a strain of the species TRAV/TATV. Moreover, we synthesized the entire nucleocapsid (N) protein of Rusne virus in Saccharomyces cerevisiae. We observed cross-reactivity of antibodies raised against other hantaviruses, including PUUV, with this new N protein. ELISA investigation of all 234 voles detected Rusne virus-reactive antibodies exclusively in four of 79 root voles, all being also RNA positive, but not in any other vole species. In conclusion, the detection of Rusne virus RNA in multiple root voles at the same trapping site during three years and its absence in sympatric field voles suggests root voles as the reservoir host of this novel virus. Future investigations should evaluate host association of TRAV, TATV, Kielder virus and the novel Rusne virus and their evolutionary relationships.
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Affiliation(s)
- Stephan Drewes
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Kathrin Jeske
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany; Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Petra Straková
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany; Department of Virology, Veterinary Research Institute, Hudcova 70, 62100 Brno, Czech Republic
| | | | - René Ryll
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | | | - David Kohlhause
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany; University Greifswald, Domstraße 11, 17498 Greifswald, Germany
| | - Guy-Alain Schnidrig
- Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, 3012 Bern, Switzerland
| | - Melanie Hiltbrunner
- Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, 3012 Bern, Switzerland
| | - Aliona Špakova
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania
| | - Rasa Insodaitė
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania
| | - Rasa Petraitytė-Burneikienė
- Institute of Biotechnology, Life Sciences Center, Vilnius University, Saulėtekio al. 7, LT-10257 Vilnius, Lithuania
| | - Gerald Heckel
- Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, 3012 Bern, Switzerland
| | - Rainer G Ulrich
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany.
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Mohamed N, Magzoub M, Mohamed REH, Aleanizy FS, Alqahtani FY, Nour BYM, Alkarsany MMS. Prevalence and identification of arthropod-transmitted viruses in Kassala state, Eastern Sudan. Libyan J Med 2019. [PMID: 30716013 PMCID: PMC6366427 DOI: 10.1080/19932820.2018.1564511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Vector-borne diseases are responsible for more than 20% of the infectious diseases worldwide. The prevalence of arboviruses transmit diseases to humans in Sudan has not been investigated. Mosquito-borne viral diseases increase globally incidence, including the Sudan. Frequent unknown fever outbreaks have been reported in eastern region, Sudan. However, diagnosis was based exclusively on clinical signs and symptoms without confirmatory laboratory investigations. However, for accurate detection of these viruses in outbreaks, molecular technique is considered. The objective of this study was to determine the prevalence of six arboviruses in the Kassala state of east Sudan during unknown fever outbreak. A cross sectional hospital-based study was conducted in the Kassala, Teaching Hospital. Blood samples from 119 patients suffering from unknown fever were used for screening of six arboviruses, hepatitis E virus and malarial using molecular techniques and serology. The overall arboviruses seroprevelance was 61.3% (73/119). The highest positivity rate was 73.1% (52/73) chikungunya virus; 29 males and 20 females patients were chikungunya positive. Other arboviruses were circulating in low rate 20.5% (15/73), and 6.8% (5/73) for sindbis and rift valley fever viruses respectively. Hepatitis E virus was negative in all cases and malaria positivity rate 13.4% (16/119). The prevalence of arboviruses among unknown fever patients present to Kassala teaching hospital of eastern region in Sudan is significantly high (61.3%). The chikungunya virus is the predominant causative agent of arboviruses. Molecular techniques such as PCR are important for accurate and rapid diagnosis of this viral outbreak.
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Affiliation(s)
- Nahla Mohamed
- a Faculty of Medical Laboratory Sciences , Karrary University , Omdurman , Sudan.,b Faculty of Medicine , University of Kassala, Kassala , Sudan
| | - Mamoun Magzoub
- c College of Medicine , Princess Nourah bint Abdulrahman University , Riyadh , Saudi Arabia.,d Clinical Microbiology Department, Virology Unit , Umeå university , Umeå , Sweden
| | - Rania El Hadi Mohamed
- e College of Science , Princess Nourah bint Abdulrahman University , Riyadh , Saudi Arabia.,f Federal Ministry of Health , Khartoum , Sudan
| | - Fadilah Sfouq Aleanizy
- g Department of Pharmaceutics, College of Pharmacy , King Saud University , Riyadh , Saudi Arabia
| | - Fulwah Y Alqahtani
- g Department of Pharmaceutics, College of Pharmacy , King Saud University , Riyadh , Saudi Arabia
| | - Bakri Y M Nour
- h Blue Nile National Institute for Communicable Diseases , University of Gezira , Wad Medani , Sudan.,i Department of Parasitology , University of Gezira , Wad Medani , Sudan
| | - Mubark M S Alkarsany
- c College of Medicine , Princess Nourah bint Abdulrahman University , Riyadh , Saudi Arabia
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3
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Yadav PD, Chaubal GY, Shete AM, Mourya DT. A mini-review of Bunyaviruses recorded in India. Indian J Med Res 2018; 145:601-610. [PMID: 28948950 PMCID: PMC5644294 DOI: 10.4103/ijmr.ijmr_1871_15] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Newly emerging and re-emerging viral infections are of major public health concern. Bunyaviridae family of viruses comprises a large group of animal viruses. Clinical symptoms exhibited by persons infected by viruses belonging to this family vary from mild-to-severe diseases i.e., febrile illness, encephalitis, haemorrhagic fever and acute respiratory illness. Several arthropods-borne viruses have been discovered and classified at serological level in India in the past. Some of these are highly pathogenic as the recent emergence and spread of Crimean-Congo haemorrhagic fever virus and presence of antibodies against Hantavirus in humans in India have provided evidences that it may become one of the emerging diseases in this country. For many of the discovered viruses, we still need to study their relevance to human and animal health. Chittoor virus, a variant of Batai virus; Ganjam virus, an Asian variant of Nairobi sheep disease virus; tick-borne viruses such as Bhanja, Palma and mosquito-borne viruses such as Sathuperi, Thimiri, Umbre and Ingwavuma viruses have been identified as the members of this family. As Bunyaviruses are three segmented RNA viruses, they can reassort the segments into genetically distinct viruses in target cells. This ability is believed to play a major role in evolution, pathogenesis and epidemiology of the viruses. Here, we provide a comprehensive overview of discovery, emergence and distribution of Bunyaviruses in India.
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Affiliation(s)
- Pragya D Yadav
- Maximum Containment Laboratory, ICMR-National Institute of Virology, Pune, India
| | - Gouri Y Chaubal
- Maximum Containment Laboratory, ICMR-National Institute of Virology, Pune, India
| | - Anita M Shete
- Maximum Containment Laboratory, ICMR-National Institute of Virology, Pune, India
| | - Devendra T Mourya
- Maximum Containment Laboratory, ICMR-National Institute of Virology, Pune, India
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Straková P, Jagdmann S, Balčiauskas L, Balčiauskienė L, Drewes S, Ulrich RG. Puumala Virus in Bank Voles, Lithuania. Emerg Infect Dis 2018; 23:158-160. [PMID: 27983939 PMCID: PMC5176220 DOI: 10.3201/eid2301.161400] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Little is known about the presence of human pathogenic Puumala virus (PUUV) in Lithuania. We detected this virus in bank voles (Myodes glareolus) in a region of this country in which previously PUUV-seropositive humans were identified. Our results are consistent with heterogeneous distributions of PUUV in other countries in Europe.
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Chate S, Shah I, Doshi H. Hantavirus and tuberculosis co-infection in an Indian child. Indian J Med Microbiol 2017; 35:426-428. [PMID: 29063892 DOI: 10.4103/ijmm.ijmm_16_161] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Hantaviruses are a group of antigenically distinct viruses carried out in rodents and insectivores. Humans are accidental hosts and get infected by aerosols generated from contaminated urine, faeces and saliva of infected rodents. Hantaviruses are identified as aetiological agents of two human diseases, haemorrhagic fever with renal syndrome and hantavirus pulmonary syndrome. Hantavirus causing pulmonary renal disease has rarely been reported in children in India. Hantavirus infection is uncommon under the age of 12 years. We report a 9-year-old girl from Mumbai, India with fever, bilateral pleural effusion, thrombocytopaenia, haemoconcentration and oliguria due to hantavirus infection. She also had associated tuberculosis.
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Affiliation(s)
- Someshwar Chate
- Department of Pediatrics, Pediatric Intensive Care Unit, Balabhai Nanavati Hospital, Mumbai, Maharashtra, India
| | - Ira Shah
- Department of Pediatrics, Pediatric Infectious Diseases Clinic, Balabhai Nanavati Hospital, Mumbai, Maharashtra, India
| | - Hiren Doshi
- Department of Pediatrics, Pediatric Intensive Care Unit, Balabhai Nanavati Hospital, Mumbai, Maharashtra, India
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6
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Hantavirus infection: a global zoonotic challenge. Virol Sin 2017; 32:32-43. [PMID: 28120221 DOI: 10.1007/s12250-016-3899-x] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 01/05/2017] [Indexed: 12/13/2022] Open
Abstract
Hantaviruses are comprised of tri-segmented negative sense single-stranded RNA, and are members of the Bunyaviridae family. Hantaviruses are distributed worldwide and are important zoonotic pathogens that can have severe adverse effects in humans. They are naturally maintained in specific reservoir hosts without inducing symptomatic infection. In humans, however, hantaviruses often cause two acute febrile diseases, hemorrhagic fever with renal syndrome (HFRS) and hantavirus cardiopulmonary syndrome (HCPS). In this paper, we review the epidemiology and epizootiology of hantavirus infections worldwide.
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Abstract
Over the past few decades understanding and recognition of hantavirus infection has greatly improved worldwide, but both the amplitude and the magnitude of hantavirus outbreaks have been increasing. Several novel hantaviruses with unknown pathogenic potential have been identified in a variety of insectivore hosts. With the new hosts, new geographical distributions of hantaviruses have also been discovered and several new species were found in Africa. Hantavirus infection in humans can result in two clinical syndromes: haemorrhagic fever with renal syndrome (HFRS) and hantavirus cardiopulmonary syndrome (HCPS) caused by Old World and New World hantaviruses, respectively. The clinical presentation of HFRS varies from subclinical, mild, and moderate to severe, depending in part on the causative agent of the disease. In general, HFRS caused by Hantaan virus, Amur virus and Dobrava virus are more severe with mortality rates from 5 to 15%, whereas Seoul virus causes moderate and Puumala virus and Saaremaa virus cause mild forms of disease with mortality rates <1%. The central phenomena behind the pathogenesis of both HFRS and HCPS are increased vascular permeability and acute thrombocytopenia. The pathogenesis is likely to be a complex multifactorial process that includes contributions from immune responses, platelet dysfunction and the deregulation of endothelial cell barrier functions. Also a genetic predisposition, related to HLA type, seems to be important for the severity of the disease. As there is no effective treatment or vaccine approved for use in the USA and Europe, public awareness and precautionary measures are the only ways to minimize the risk of hantavirus disease.
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Affiliation(s)
- T Avšič-Županc
- Institute of Microbiology and Immunology, Faculty of Medicine, Ljubljana, Slovenia.
| | - A Saksida
- Institute of Microbiology and Immunology, Faculty of Medicine, Ljubljana, Slovenia
| | - M Korva
- Institute of Microbiology and Immunology, Faculty of Medicine, Ljubljana, Slovenia
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8
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Generation of recombinant Schmallenberg virus nucleocapsid protein in yeast and development of virus-specific monoclonal antibodies. J Immunol Res 2014; 2014:160316. [PMID: 24982920 PMCID: PMC4058894 DOI: 10.1155/2014/160316] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 05/04/2014] [Accepted: 05/07/2014] [Indexed: 11/18/2022] Open
Abstract
Schmallenberg virus (SBV), discovered in continental Europe in late 2011, causes mild clinical signs in adult ruminants, including diarrhoea and reduced milk yield. However, fetal infection can lead to severe malformation in newborn offspring. To develop improved reagents for SBV serology, a high-level yeast expression system was employed to produce recombinant SBV nucleocapsid (N) protein. Recombinant SBV N protein was investigated as an antigen in SBV-specific IgG enzyme immunoassay and used for generation of monoclonal antibodies (MAbs). Yeast-expressed SBV N protein was reactive with anti-SBV IgG-positive cow serum specimens collected from different farms of Lithuania. After immunization of mice with recombinant SBV N protein, four MAbs were generated. The MAbs raised against recombinant SBV N protein reacted with native viral nucleocapsids in SBV-infected BHK cells by immunofluorescence assay. The reactivity of recombinant N protein with SBV-positive cow serum specimens and the ability of the MAbs to recognize virus-infected cells confirm the antigenic similarity between yeast-expressed SBV N protein and native viral nucleocapsids. Our study demonstrates that yeast expression system is suitable for high-level production of recombinant SBV N protein and provides the first evidence on the presence of SBV-specific antibodies in cow serum specimens collected in Lithuania.
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Zvirbliene A, Kucinskaite-Kodze I, Razanskiene A, Petraityte-Burneikiene R, Klempa B, Ulrich RG, Gedvilaite A. The use of chimeric virus-like particles harbouring a segment of hantavirus Gc glycoprotein to generate a broadly-reactive hantavirus-specific monoclonal antibody. Viruses 2014; 6:640-60. [PMID: 24513568 PMCID: PMC3939476 DOI: 10.3390/v6020640] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Revised: 01/07/2014] [Accepted: 01/18/2014] [Indexed: 11/16/2022] Open
Abstract
Monoclonal antibodies (MAbs) against viral glycoproteins have important diagnostic and therapeutic applications. In most cases, the MAbs specific to viral glycoproteins are raised against intact virus particles. The biosynthesis of viral glycoproteins in heterologous expression systems such as bacteria, yeast, insect or mammalian cells is often problematic due to their low expression level, improper folding and limited stability. To generate MAbs against hantavirus glycoprotein Gc, we have used initially a recombinant yeast-expressed full-length Puumala virus (PUUV) Gc protein. However, this approach was unsuccessful. As an alternative recombinant antigen, chimeric virus-like particles (VLPs) harboring a segment of PUUV Gc glycoprotein were generated in yeast Saccharomyces cerevisiae. A 99 amino acid (aa)-long segment of Gc protein was inserted into the major capsid protein VP1 of hamster polyomavirus at previously defined positions: either site #1 (aa 80-89) or site #4 (aa 280-289). The chimeric proteins were found to self-assemble to VLPs as evidenced by electron microscopy. Chimeric VLPs induced an efficient insert-specific antibody response in immunized mice. Monoclonal antibody (clone #10B8) of IgG isotype specific to hantavirus Gc glycoprotein was generated. It recognized recombinant full-length PUUV Gc glycoprotein both in ELISA and Western blot assay and reacted specifically with hantavirus-infected cells in immunofluorescence assay. Epitope mapping studies revealed the N-terminally located epitope highly conserved among different hantavirus strains. In conclusion, our approach to use chimeric VLPs was proven useful for the generation of virus-reactive MAb against hantavirus Gc glycoprotein. The generated broadly-reactive MAb #10B8 might be useful for various diagnostic applications.
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Affiliation(s)
- Aurelija Zvirbliene
- Vilnius University Institute of Biotechnology, V.A. Graiciuno 8, Vilnius LT-02241, Lithuania.
| | - Indre Kucinskaite-Kodze
- Vilnius University Institute of Biotechnology, V.A. Graiciuno 8, Vilnius LT-02241, Lithuania.
| | - Ausra Razanskiene
- Vilnius University Institute of Biotechnology, V.A. Graiciuno 8, Vilnius LT-02241, Lithuania.
| | | | - Boris Klempa
- Institute of Medical Virology, Helmut-Ruska-Haus, Charité Medical School, Berlin 10117, Germany.
| | - Rainer G Ulrich
- Institute for Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, Greifswald-Insel Riems 17493, Germany.
| | - Alma Gedvilaite
- Vilnius University Institute of Biotechnology, V.A. Graiciuno 8, Vilnius LT-02241, Lithuania.
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10
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First molecular evidence for Puumala hantavirus in Poland. Viruses 2014; 6:340-53. [PMID: 24452006 PMCID: PMC3917447 DOI: 10.3390/v6010340] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 01/10/2014] [Accepted: 01/14/2014] [Indexed: 11/16/2022] Open
Abstract
Puumala virus (PUUV) causes mild to moderate cases of haemorrhagic fever with renal syndrome (HFRS), and is responsible for the majority of hantavirus infections of humans in Fennoscandia, Central and Western Europe. Although there are relatively many PUUV sequences available from different European countries, little is known about the presence of this virus in Poland. During population studies in 2009 a total of 45 bank voles were trapped at three sites in north-eastern Poland, namely islands on Dejguny and Dobskie Lakes and in a forest near Mikołajki. S and M segment-specific RT-PCR assays detected PUUV RNA in three animals from the Mikołajki site. The obtained partial S and M segment sequences demonstrated the highest similarity to the corresponding segments of a PUUV strain from Latvia. Analysis of chest cavity fluid samples by IgG ELISA using a yeast-expressed PUUV nucleocapsid protein resulted in the detection of two seropositive samples, both being also RT-PCR positive. Interestingly, at the trapping site in Mikołajki PUUV-positive bank voles belong to the Carpathian and Eastern genetic lineages within this species. In conclusion, we herein present the first molecular evidence for PUUV in the rodent reservoir from Poland.
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Papa A. Dobrava-Belgrade virus: Phylogeny, epidemiology, disease. Antiviral Res 2012; 95:104-17. [DOI: 10.1016/j.antiviral.2012.05.011] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 05/08/2012] [Accepted: 05/21/2012] [Indexed: 11/26/2022]
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Razzauti M, Plyusnina A, Niemimaa J, Henttonen H, Plyusnin A. Co-circulation of two Puumala hantavirus lineages in Latvia: a Russian lineage described previously and a novel Latvian lineage. J Med Virol 2012; 84:314-8. [PMID: 22170553 DOI: 10.1002/jmv.22263] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Puumala hantavirus (PUUV) causes a mild form of haemorrhagic fever with renal syndrome in Europe. Seven genetic lineages of PUUV have thus far been recorded, which exhibit geographic structure within the distribution of its natural host, the bank vole (Myodes glareolus). This study presents evidence for two distinct PUUV lineages co-circulating in Latvia: one previously described from Russia and a novel one that appears to be endemic. The Latvian lineage (LAT) is considerably divergent and several amino acid markers make it easily distinguishable. Phylogenetic analysis suggested a possibility of different evolutionary histories for the PUUV genome segments of LAT.
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Affiliation(s)
- Maria Razzauti
- Department of Virology, Infection Biology Research Program, Haartman Institute, University of Helsinki, Finland.
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Mertens M, Hofmann J, Petraityte-Burneikiene R, Ziller M, Sasnauskas K, Friedrich R, Niederstrasser O, Krüger DH, Groschup MH, Petri E, Werdermann S, Ulrich RG. Seroprevalence study in forestry workers of a non-endemic region in eastern Germany reveals infections by Tula and Dobrava-Belgrade hantaviruses. Med Microbiol Immunol 2011; 200:263-8. [PMID: 21611907 DOI: 10.1007/s00430-011-0203-4] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2010] [Indexed: 10/18/2022]
Abstract
Highly endemic and outbreak regions for human hantavirus infections are located in the southern, southeastern, and western parts of Germany. The dominant hantavirus is the bank vole transmitted Puumala virus (PUUV). In the eastern part of Germany, previous investigations revealed Tula virus (TULV) and Dobrava-Belgrade virus (DOBV) infections in the respective rodent reservoirs. Here, we describe a seroprevalence study in forestry workers from Brandenburg, eastern Germany, using IgG ELISA and immunoblot tests based on recombinant TULV, DOBV, and PUUV antigens. Out of the 563 sera tested, 499 from male and 64 from female workers, we found 41 out of the 499 (8.2%) sera from men (mean age 47 years) and 10 out of 64 (15.6%) from the women (mean age 48 years) anti-hantavirus-positive. The majority of the 51 seropositive samples reacted exclusively in the TULV (n=22) and DOBV tests (n=17). Focus reduction neutralization assay investigations on selected sera confirmed the presence of TULV- and DOBV-specific antibodies in the forestry workers. These investigations demonstrated a potential health threat for forestry workers and also the average population in non-endemic geographical regions where TULV and DOBV are circulating in the corresponding reservoir hosts. The infections in this region might be frequently overlooked due to their unspecific and mild symptoms.
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Affiliation(s)
- Marc Mertens
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, OIE Collaborating Centre for Zoonoses in Europe, Südufer 10, 17493 Greifswald-Insel Riems, Germany
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Mertens M, Kindler E, Emmerich P, Esser J, Wagner-Wiening C, Wölfel R, Petraityte-Burneikiene R, Schmidt-Chanasit J, Zvirbliene A, Groschup MH, Dobler G, Pfeffer M, Heckel G, Ulrich RG, Essbauer SS. Phylogenetic analysis of Puumala virus subtype Bavaria, characterization and diagnostic use of its recombinant nucleocapsid protein. Virus Genes 2011; 43:177-91. [PMID: 21598005 DOI: 10.1007/s11262-011-0620-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2011] [Accepted: 05/05/2011] [Indexed: 10/18/2022]
Abstract
Puumala virus (PUUV) is the predominant hantavirus species in Germany causing large numbers of mild to moderate cases of haemorrhagic fever with renal syndrome (HFRS). During an outbreak in South-East Germany in 2004 a novel PUUV subtype designated Bavaria was identified as the causative agent of HFRS in humans [1]. Here we present a molecular characterization of this PUUV strain by investigating novel partial and almost entire nucleocapsid (N) protein-encoding small (S-) segment sequences and partial medium (M-) segment sequences from bank voles (Myodes glareolus) trapped in Lower Bavaria during 2004 and 2005. Phylogenetic analyses confirmed their classification as subtype Bavaria, which is further subdivided into four geographical clusters. The entire N protein, harbouring an amino-terminal hexahistidine tag, of the Bavarian strain was produced in yeast Saccharomyces cerevisiae and showed a slightly different reactivity with N-specific monoclonal antibodies, compared to the yeast-expressed N protein of the PUUV strain Vranica/Hällnäs. Endpoint titration of human sera from different parts of Germany and from Finland revealed only very slight differences in the diagnostic value of the different recombinant proteins. Based on the novel N antigen indirect and monoclonal antibody capture IgG-ELISAs were established. By using serum panels from Germany and Finland their validation demonstrated a high sensitivity and specificity. In summary, our investigations demonstrated the Bavarian PUUV strain to be genetically divergent from other PUUV strains and the potential of its N protein for diagnostic applications.
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Affiliation(s)
- Marc Mertens
- Institute for Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, 17493 Greifswald-Insel Riems, Germany
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Kucinskaite-Kodze I, Petraityte-Burneikiene R, Zvirbliene A, Hjelle B, Medina RA, Gedvilaite A, Razanskiene A, Schmidt-Chanasit J, Mertens M, Padula P, Sasnauskas K, Ulrich RG. Characterization of monoclonal antibodies against hantavirus nucleocapsid protein and their use for immunohistochemistry on rodent and human samples. Arch Virol 2011; 156:443-56. [PMID: 21161552 PMCID: PMC8628251 DOI: 10.1007/s00705-010-0879-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2010] [Accepted: 11/26/2010] [Indexed: 10/18/2022]
Abstract
Monoclonal antibodies are important tools for various applications in hantavirus diagnostics. Recently, we generated Puumala virus (PUUV)-reactive monoclonal antibodies (mAbs) by immunisation of mice with chimeric polyomavirus-derived virus-like particles (VLPs) harbouring the 120-amino-acid-long amino-terminal region of the PUUV nucleocapsid (N) protein. Here, we describe the generation of two mAbs by co-immunisation of mice with hexahistidine-tagged full-length N proteins of Sin Nombre virus (SNV) and Andes virus (ANDV), their characterization by different immunoassays and comparison with the previously generated mAbs raised against a segment of PUUV N protein inserted into VLPs. All of the mAbs reacted strongly in ELISA and western blot tests with the antigens used for immunization and cross-reacted to varying extents with N proteins of other hantaviruses. All mAbs raised against a segment of the PUUV N protein presented on chimeric VLPs and both mAbs raised against the full-length AND/SNV N protein reacted with Vero cells infected with different hantaviruses. The reactivity of mAbs with native viral nucleocapsids was also confirmed by their reactivity in immunohistochemistry assays with kidney tissue specimens from experimentally SNV-infected rodents and human heart tissue specimens from hantavirus cardiopulmonary syndrome patients. Therefore, the described mAbs represent useful tools for the immunodetection of hantavirus infection.
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Olsson GE, Leirs H, Henttonen H. Hantaviruses and their hosts in Europe: reservoirs here and there, but not everywhere? Vector Borne Zoonotic Dis 2010; 10:549-61. [PMID: 20795916 DOI: 10.1089/vbz.2009.0138] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Five hantaviruses are known to circulate among rodents in Europe, and at least two among insectivores. Four (Dobrava, Saaremaa, Seoul, and Puumala [PUUV] viruses) are clearly associated with hemorrhagic fever with renal syndrome (HFRS). PUUV, the most common etiological agent of HFRS in Europe, is carried by the bank vole (Myodes glareolus), one of the most widespread and abundant mammal species in Europe. This host-virus system is among hantaviruses also the most studied one in Europe. However, HFRS incidence varies throughout the continent. The spatial as well as temporal variation in the occurrence of HFRS is linked to geographic differences in the population dynamics of the reservoir rodents in different biomes of Europe. While rodent abundance may follow mast seeding events in many parts of temperate Europe, in northern (N) Europe multiannual cycles in population density exist as the result of the interaction between rodent populations and specialist predator populations in a delayed density-dependent manner. The spatial distribution of hantaviruses further depends on parameters such as forest patch size and connectivity of the most suitable rodent habitats, and the conditions for the survival of the virus outside the host, as well as historical distribution patterns (phylogeographies) of hosts and viruses. In multiannually fluctuating populations of rodents, with population increases of great amplitude, one should expect a simultaneous build-up of recently hantavirus-infected (shedding) rodents. The increasing number of infectious, virus-shedding rodents leads to a rapid transmission of hantavirus across the rodent population, and to humans. Our review discusses these aspects for PUUV, the only European hantavirus for which there is a reasonable, yet still far from complete, ecological continental-wide understanding. We discuss how this information could translate to other European hantavirus-host systems, and where the most important questions lie for further research.
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Affiliation(s)
- Gert E Olsson
- Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden.
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Chandy S, Boorugu H, Chrispal A, Thomas K, Abraham P, Sridharan G. Hantavirus infection: a case report from India. Indian J Med Microbiol 2009; 27:267-70. [PMID: 19584514 DOI: 10.4103/0255-0857.53215] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The clinical presentation of hantavirus infections in India is unclear. We report here a case of hantavirus infection in a 46 year old quarry worker presenting with fever, abdominal pain, jaundice, thrombocytopenia and renal dysfunction. Seroconversion and rising anti-hantavirus IgG titers were taken as evidence of hantavirus infection. Clinicians should consider hantavirus infections in the differential diagnosis of acute febrile illness along with scrub typhus, leptospirosis and dengue.
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Affiliation(s)
- S Chandy
- Department of Clinical Virology, Christian Medical College, Vellore, India
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Seroepidemiological study in a Puumala virus outbreak area in South-East Germany. Med Microbiol Immunol 2009; 198:83-91. [PMID: 19148676 DOI: 10.1007/s00430-009-0106-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2008] [Indexed: 10/21/2022]
Abstract
Puumala virus (PUUV) is the cause of the majority of haemorrhagic fever with renal syndrome cases in Germany. In 2004, a nephropathia epidemica outbreak was recorded in Lower Bavaria, South-East Germany. For a seroepidemiological study in this region including the resident population at four locations (n = 178) and soldiers from one location (n = 208) indirect immunoglobulin M (IgM) and immunoglobulin G (IgG) enzyme-linked immunosorbent assays (ELISAs) and immunoblot tests based on a yeast-expressed PUUV nucleocapsid protein were established. The validation using human serum panels originating from Germany revealed a diagnostic sensitivity and specificity of 98/100% for the IgM ELISA, 99/99% for the IgG ELISA, 99/100% for the IgM immunoblot test and 100/96% for the IgG immunoblot test. Using the novel IgG assays as well as a commercial IgG ELISA and an immunofluorescence assay for the resident population an average prevalence of 6.7% (12 of 178) with a range of 0% (0 of 21) to 11.9% (7 of 59) was observed. Positive serological results were equally distributed between males and females with an average age of 63 for males and 52 for females. The seroprevalence in the soldier group was found to be about 1% with one positive male of 203 (age 46 years) and one positive female of five (age 47 years). In conclusion, the PUUV seroprevalence in the residents of the outbreak region in Lower Bavaria was found to be up to fivefold higher than the average hantavirus seroprevalence of the German population.
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Sidorenko Y, Antoniukas L, Schulze-Horsel J, Kremling A, Reichl U. Mathematical Model of Growth and Heterologous Hantavirus Protein Production of the Recombinant YeastSaccharomyces cerevisiae. Eng Life Sci 2008. [DOI: 10.1002/elsc.200700018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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20
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Petraityte R, Yang H, Hunjan R, Razanskiene A, Dhanilall P, Ulrich RG, Sasnauskas K, Jin L. Development and evaluation of serological assays for detection of Hantaanvirus-specific antibodies in human sera using yeast-expressed nucleocapsid protein. J Virol Methods 2008; 148:89-95. [PMID: 18077007 DOI: 10.1016/j.jviromet.2007.10.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2007] [Revised: 10/17/2007] [Accepted: 10/26/2007] [Indexed: 01/04/2023]
Abstract
Indirect and capture enzyme-linked immunosorbent assays (ELISAs) for detection of Hantaan virus (HTNV)-specific immunoglobulins G (IgG) and M (IgM) in human serum samples were developed on the basis of recombinant yeast-expressed nucleocapsid (N) protein of HTNV. The sensitivities and specificities of the indirect and capture ELISAs were evaluated by comparing the reactivity of sera from patients with hemorrhagic fever with renal syndrome (HFRS) from China with that of a commercial IgG/IgM kit. The sensitivity of the indirect IgG and IgM ELISA tests was both 100% and the specificity of the indirect IgM and IgG ELISA test was 98% and 99%, respectively. The sensitivity and specificity of the capture IgM ELISA was 100% and 97%, respectively. The novel assays were found to detect HTNV-specific antibodies in acute phase sera from suspected HFRS patients in China. The results indicate that these novel ELISAs are suitable for the diagnosis of HTNV and for sero-epidemiological studies.
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Affiliation(s)
- Rasa Petraityte
- Institute of Biotechnology, VA Graiciūno 8, LT-02241, Vilnius, Lithuania
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Plyusnin A, Vaheri A. Saaremaa hantavirus should not be confused with its dangerous relative, Dobrava virus. J Clin Microbiol 2006; 44:1608-9; author reply 1609-11. [PMID: 16597913 PMCID: PMC1448663 DOI: 10.1128/jcm.44.4.1608-1611.2006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Antoniukas L, Grammel H, Reichl U. Production of hantavirus Puumala nucleocapsid protein in Saccharomyces cerevisiae for vaccine and diagnostics. J Biotechnol 2006; 124:347-62. [PMID: 16513199 DOI: 10.1016/j.jbiotec.2005.12.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2005] [Revised: 12/02/2005] [Accepted: 12/23/2005] [Indexed: 11/30/2022]
Abstract
The production of hantavirus Puumala nucleocapsid (N) protein for potential applications as a vaccine and for diagnostic purposes was investigated with Saccharomyces cerevisiae as a recombinant host. The N protein gene and the hexahistidine tagged N (h-N) protein gene were expressed intracellular from a 2-microm plasmid vectors under the control of a fused galactose inducible GAL10-PYK promoter. For monitoring the recombinant gene expression, a h-N and a GFP fusion protein was used. Different cultivation strategies and growth media compositions were tested in shake flasks and a 5 l bioreactor. When using defined YNB growth medium, we found the biomass yield to be unsatisfactorily low. Higher concentrated YNB medium, promoted cell growth but showed a pronounced inhibitory effect on heterologous gene expression. This phenomenon could not be attributed to plasmid losses, as we could demonstrate high stability of the vector under the applied cultivation conditions. Supplementation of YNB medium with extracts of plant origin resulted in increased biomass yields with concomitant high expression levels of the recombinant gene. The modified medium was used for fed-batch cultivations where basic metabolic features as well as growth parameters were determined in addition to recombinant gene expression. The maximal volumetric yield of N protein was 316 mg l(-1), the respective yield of h-N protein was 284 mg l(-1). Our study provides a basis for large-scale production of hantavirus vaccines, which satisfies economic efficiency as well as biosafety regulations for human applications.
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Affiliation(s)
- L Antoniukas
- Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany.
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Klempa B, Stanko M, Labuda M, Ulrich R, Meisel H, Krüger DH. Central European Dobrava Hantavirus isolate from a striped field mouse (Apodemus agrarius). J Clin Microbiol 2005; 43:2756-63. [PMID: 15956394 PMCID: PMC1151903 DOI: 10.1128/jcm.43.6.2756-2763.2005] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2004] [Revised: 11/06/2004] [Accepted: 02/20/2005] [Indexed: 11/20/2022] Open
Abstract
Dobrava virus (DOBV) is a hantavirus that causes hemorrhagic fever with renal syndrome (HFRS) in Europe. It is hosted by at least two rodent species, Apodemus flavicollis and A. agrarius. According to their natural hosts they form the distinct genetic lineages DOBV-Af and DOBV-Aa, respectively. We have now established a DOBV isolate named Slovakia (SK/Aa) from an A. agrarius animal captured in Slovakia. The complete S and M and partial L segment nucleotide sequences of the new isolate were determined. Phylogenetic analyses showed that the SK/Aa isolate clustered together with the other DOBV-Aa sequences amplified from A. agrarius before and can be taken as the representative of this genetic lineage. SK/Aa, in comparison with a DOBV-Af isolate, was used for serotyping neutralizing antibodies of HFRS patients in Central Europe. Most patients' sera exhibited a higher endpoint titer when probed with our new isolate, suggesting that DOBV-Aa strains are responsible for most of the DOBV-caused HFRS cases in this region.
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Affiliation(s)
- Boris Klempa
- Institute of Virology, Helmut Ruska Haus, Charité School of Medicine, Humboldt University, D-10098 Berlin, Germany
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