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Courcelle M, Salami H, Tounkara K, Lo MM, Ba A, Diop M, Niang M, Sidibe CAK, Sery A, Dakouo M, Kaba L, Sidime Y, Keyra M, Diallo AOS, El Mamy AB, El Arbi AS, Barry Y, Isselmou E, Habiboullah H, Doumbia B, Gueya MB, Awuni J, Odoom T, Ababio PT, TawiahYingar DNY, Coste C, Guendouz S, Kwiatek O, Libeau G, Bataille A. Comparative evolutionary analyses of peste des petits ruminants virus genetic lineages. Virus Evol 2024; 10:veae012. [PMID: 38476867 PMCID: PMC10930206 DOI: 10.1093/ve/veae012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/16/2024] [Accepted: 03/05/2024] [Indexed: 03/14/2024] Open
Abstract
Peste des petits ruminants virus (PPRV) causes a highly infectious disease affecting mainly goats and sheep in large parts of Africa, Asia, and the Middle East and has an important impact on the global economy and food security. Full genome sequencing of PPRV strains has proved to be critical to increasing our understanding of PPR epidemiology and to inform the ongoing global efforts for its eradication. However, the number of full PPRV genomes published is still limited and with a heavy bias towards recent samples and genetic Lineage IV (LIV), which is only one of the four existing PPRV lineages. Here, we generated genome sequences for twenty-five recent (2010-6) and seven historical (1972-99) PPRV samples, focusing mainly on Lineage II (LII) in West Africa. This provided the first opportunity to compare the evolutionary pressures and history between the globally dominant PPRV genetic LIV and LII, which is endemic in West Africa. Phylogenomic analysis showed that the relationship between PPRV LII strains was complex and supported the extensive transboundary circulation of the virus within West Africa. In contrast, LIV sequences were clearly separated per region, with strains from West and Central Africa branched as a sister clade to all other LIV sequences, suggesting that this lineage also has an African origin. Estimates of the time to the most recent common ancestor place the divergence of modern LII and LIV strains in the 1960s-80s, suggesting that this period was particularly important for the diversification and spread of PPRV globally. Phylogenetic relationships among historical samples from LI, LII, and LIII and with more recent samples point towards a high genetic diversity for all these lineages in Africa until the 1970s-80s and possible bottleneck events shaping PPRV's evolution during this period. Molecular evolution analyses show that strains belonging to LII and LIV have evolved under different selection pressures. Differences in codon usage and adaptative selection pressures were observed in all viral genes between the two lineages. Our results confirm that comparative genomic analyses can provide new insights into PPRV's evolutionary history and molecular epidemiology. However, PPRV genome sequencing efforts must be ramped up to increase the resolution of such studies for their use in the development of efficient PPR control and surveillance strategies.
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Affiliation(s)
- Maxime Courcelle
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
| | - Habib Salami
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
- Institut Sénégalais de Recherches Agricoles, Laboratoire National d’Elevage et de Recherches Vétérinaires (LNERV), Dakar-Hann BP 2057, Sénégal
| | - Kadidia Tounkara
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
- Laboratoire Central Vétérinaire (LCV), Bamako BP 2295, Mali
| | - Modou Moustapha Lo
- Institut Sénégalais de Recherches Agricoles, Laboratoire National d’Elevage et de Recherches Vétérinaires (LNERV), Dakar-Hann BP 2057, Sénégal
| | - Aminata Ba
- Institut Sénégalais de Recherches Agricoles, Laboratoire National d’Elevage et de Recherches Vétérinaires (LNERV), Dakar-Hann BP 2057, Sénégal
| | - Mariame Diop
- Institut Sénégalais de Recherches Agricoles, Laboratoire National d’Elevage et de Recherches Vétérinaires (LNERV), Dakar-Hann BP 2057, Sénégal
| | - Mamadou Niang
- Laboratoire Central Vétérinaire (LCV), Bamako BP 2295, Mali
| | | | - Amadou Sery
- Laboratoire Central Vétérinaire (LCV), Bamako BP 2295, Mali
| | - Marthin Dakouo
- Laboratoire Central Vétérinaire (LCV), Bamako BP 2295, Mali
| | - Lanceï Kaba
- Institut Supérieur des Sciences et de Médecine Vétérinaire, Dalaba BP 2201, Guinea
| | - Youssouf Sidime
- Institut Supérieur des Sciences et de Médecine Vétérinaire, Dalaba BP 2201, Guinea
| | - Mohamed Keyra
- Institut Supérieur des Sciences et de Médecine Vétérinaire, Dalaba BP 2201, Guinea
| | | | - Ahmed Bezeid El Mamy
- Office National de Recherches et de Développement de l’Elevage (ONARDEL), Nouakchott BP 167, Mauritania
| | - Ahmed Salem El Arbi
- Office National de Recherches et de Développement de l’Elevage (ONARDEL), Nouakchott BP 167, Mauritania
| | - Yahya Barry
- Office National de Recherches et de Développement de l’Elevage (ONARDEL), Nouakchott BP 167, Mauritania
| | - Ekaterina Isselmou
- Office National de Recherches et de Développement de l’Elevage (ONARDEL), Nouakchott BP 167, Mauritania
| | - Habiboullah Habiboullah
- Office National de Recherches et de Développement de l’Elevage (ONARDEL), Nouakchott BP 167, Mauritania
| | - Baba Doumbia
- Office National de Recherches et de Développement de l’Elevage (ONARDEL), Nouakchott BP 167, Mauritania
| | - Mohamed Baba Gueya
- Office National de Recherches et de Développement de l’Elevage (ONARDEL), Nouakchott BP 167, Mauritania
| | - Joseph Awuni
- Accra Veterinary Laboratory, Veterinary Services Directorate, Accra M161, Ghana
| | - Theophilus Odoom
- Accra Veterinary Laboratory, Veterinary Services Directorate, Accra M161, Ghana
| | | | | | - Caroline Coste
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
| | - Samia Guendouz
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
| | - Olivier Kwiatek
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
| | - Geneviève Libeau
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
| | - Arnaud Bataille
- ASTRE, University of Montpellier, CIRAD, INRAE, Montpellier F-34398, France
- CIRAD, UMR ASTRE, Montpellier F-34398, France
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2
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Labutin A, Heckel G. Genome-wide support for incipient Tula hantavirus species within a single rodent host lineage. Virus Evol 2024; 10:veae002. [PMID: 38361825 PMCID: PMC10868551 DOI: 10.1093/ve/veae002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 11/08/2023] [Accepted: 01/04/2024] [Indexed: 02/17/2024] Open
Abstract
Evolutionary divergence of viruses is most commonly driven by co-divergence with their hosts or through isolation of transmission after host shifts. It remains mostly unknown, however, whether divergent phylogenetic clades within named virus species represent functionally equivalent byproducts of high evolutionary rates or rather incipient virus species. Here, we test these alternatives with genomic data from two widespread phylogenetic clades in Tula orthohantavirus (TULV) within a single evolutionary lineage of their natural rodent host, the common vole Microtus arvalis. We examined voles from forty-two locations in the contact region between clades for TULV infection by reverse transcription (RT)-PCR. Sequencing yielded twenty-three TULV Central North and twenty-one TULV Central South genomes, which differed by 14.9-18.5 per cent at the nucleotide and 2.2-3.7 per cent at the amino acid (AA) level without evidence of recombination or reassortment between clades. Geographic cline analyses demonstrated an abrupt (<1 km wide) transition between the parapatric TULV clades in continuous landscape. This transition was located within the Central mitochondrial lineage of M. arvalis, and genomic single nucleotide polymorphisms showed gradual mixing of host populations across it. Genomic differentiation of hosts was much weaker across the TULV Central North to South transition than across the nearby hybrid zone between two evolutionary lineages in the host. We suggest that these parapatric TULV clades represent functionally distinct, incipient species, which are likely differently affected by genetic polymorphisms in the host. This highlights the potential of natural viral contact zones as systems for investigating the genetic and evolutionary factors enabling or restricting the transmission of RNA viruses.
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Affiliation(s)
- Anton Labutin
- Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, Bern 3012, Switzerland
| | - Gerald Heckel
- Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, Bern 3012, Switzerland
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3
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Guo L, Li B, Han P, Dong N, Zhu Y, Li F, Si H, Shi Z, Wang B, Yang X, Zhang Y. Identification of a Novel Hepacivirus in Southeast Asian Shrew ( Crocidura fuliginosa) from Yunnan Province, China. Pathogens 2023; 12:1400. [PMID: 38133285 PMCID: PMC10745850 DOI: 10.3390/pathogens12121400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/18/2023] [Accepted: 11/25/2023] [Indexed: 12/23/2023] Open
Abstract
The genus Hepacivirus contains single-stranded positive-sense RNA viruses belonging to the family Flaviviridae, which comprises 14 species. These 14 hepaciviruses have been found in different mammals, such as primates, dogs, bats, and rodents. To date, Hepacivirus has not been reported in the shrew genus of Crocidura. To study the prevalence and genetic evolution of Hepacivirus in small mammals in Yunnan Province, China, molecular detection of Hepacivirus in small mammals from Yunnan Province during 2016 and 2017 was performed using reverse-transcription polymerase chain reaction (RT-PCR). Our results showed that the overall infection rate of Hepacivirus in small mammals was 0.12% (2/1602), and the host animal was the Southeast Asian shrew (Crocidura fuliginosa) (12.5%, 2/16). Quantitative real-time PCR showed that Hepacivirus had the highest viral RNA copy number in the liver. Phylogenetic analysis revealed that the hepaciviruses obtained in this study does not belong to any designated species of hepaciviruses and forms an independent clade. To conclude, a novel hepacivirus was identified for the first time in C. fuliginosa specimens from Yunnan Province, China. This study expands the host range and viral diversity of hepaciviruses.
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Affiliation(s)
- Ling Guo
- Yunnan Province Key Laboratory of Anti-Pathogenic Plant Resources Screening, Yunnan Province Key University Laboratory of Zoonoses Cross-Border Prevention and Quarantine, Institute of Preventive Medicine, School of Public Health, Dali University, Dali 671000, China; (L.G.); (P.H.); (N.D.); (F.L.)
- Chongqing Jiangbei District Center for Disease Control and Prevention, Chongqing 400020, China
| | - Bei Li
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China; (B.L.); (Y.Z.); (H.S.); (Z.S.)
| | - Peiyu Han
- Yunnan Province Key Laboratory of Anti-Pathogenic Plant Resources Screening, Yunnan Province Key University Laboratory of Zoonoses Cross-Border Prevention and Quarantine, Institute of Preventive Medicine, School of Public Health, Dali University, Dali 671000, China; (L.G.); (P.H.); (N.D.); (F.L.)
| | - Na Dong
- Yunnan Province Key Laboratory of Anti-Pathogenic Plant Resources Screening, Yunnan Province Key University Laboratory of Zoonoses Cross-Border Prevention and Quarantine, Institute of Preventive Medicine, School of Public Health, Dali University, Dali 671000, China; (L.G.); (P.H.); (N.D.); (F.L.)
| | - Yan Zhu
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China; (B.L.); (Y.Z.); (H.S.); (Z.S.)
| | - Fuli Li
- Yunnan Province Key Laboratory of Anti-Pathogenic Plant Resources Screening, Yunnan Province Key University Laboratory of Zoonoses Cross-Border Prevention and Quarantine, Institute of Preventive Medicine, School of Public Health, Dali University, Dali 671000, China; (L.G.); (P.H.); (N.D.); (F.L.)
| | - Haorui Si
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China; (B.L.); (Y.Z.); (H.S.); (Z.S.)
| | - Zhengli Shi
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China; (B.L.); (Y.Z.); (H.S.); (Z.S.)
| | - Bo Wang
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA;
| | - Xinglou Yang
- Yunnan Key Laboratory of Biodiversity Information, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650023, China
| | - Yunzhi Zhang
- Yunnan Province Key Laboratory of Anti-Pathogenic Plant Resources Screening, Yunnan Province Key University Laboratory of Zoonoses Cross-Border Prevention and Quarantine, Institute of Preventive Medicine, School of Public Health, Dali University, Dali 671000, China; (L.G.); (P.H.); (N.D.); (F.L.)
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Aghebatrafat AA, Lauber C, Merkel K, Fruth B, Langergraber K, Robbins MM, Wittig RM, Leendertz FH, Calvignac-Spencer S. Evolutionary Insight into the Association between New Jersey Polyomavirus and Humans. Viruses 2023; 15:2248. [PMID: 38005925 PMCID: PMC10675294 DOI: 10.3390/v15112248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Advances in viral discovery techniques have led to the identification of numerous novel viruses in human samples. However, the low prevalence of certain viruses in humans raises doubts about their association with our species. To ascertain the authenticity of a virus as a genuine human-infecting agent, it can be useful to investigate the diversification of its lineage within hominines, the group encompassing humans and African great apes. Building upon this rationale, we examined the case of the New Jersey polyomavirus (NJPyV; Alphapolyomavirus terdecihominis), which has only been detected in a single patient thus far. In this study, we obtained and analyzed sequences from closely related viruses infecting all African great ape species. We show that NJPyV nests within the diversity of these viruses and that its lineage placement is compatible with an ancient origin in humans, despite its apparent rarity in human populations.
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Affiliation(s)
- Aref-Abdolllah Aghebatrafat
- Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, 13353 Berlin, Germany; (A.-A.A.); (K.M.); (F.H.L.)
| | - Chris Lauber
- Institute for Experimental Virology, TWINCORE Centre for Experimental and Clinical Infection Research, a Joint Venture between Medical School Hannover (MHH) and Helmholtz Centre for Infection Research (HZI), 30625 Hannover, Germany;
- Cluster of Excellence 2155 RESIST, 30625 Hannover, Germany
| | - Kevin Merkel
- Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, 13353 Berlin, Germany; (A.-A.A.); (K.M.); (F.H.L.)
| | - Barbara Fruth
- Max-Planck-Institute of Animal Behavior, 78467 Konstanz, Germany;
- Centre for Research and Conservation/KMDA, B-2018 Antwerp, Belgium
- Faculty of Science, School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool L3 3AF, UK
| | - Kevin Langergraber
- School of Human Evolution and Social Change and Institute of Human Origins, Arizona State University, Tempe, AZ 85281, USA;
| | - Martha M. Robbins
- Departement of Primate Behavior and Evolution, Max Planck Institute for Evolutionary Anthropology, 04103 Leipzig, Germany;
| | - Roman M. Wittig
- Taï Chimpanzee Project, Centre Suisse de Recherches Scientifiques, Abidjan 1303, Côte d’Ivoire;
- The Ape Social Mind Lab, Institut des Sciences Cognitives, CNRS UMR 5229, 69500 Bron, France
| | - Fabian H. Leendertz
- Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, 13353 Berlin, Germany; (A.-A.A.); (K.M.); (F.H.L.)
- Helmholtz Institute for One Health, Helmholtz-Centre for Infection Research (HZI), 17489 Greifswald, Germany
- Faculty of Mathematics and Natural Sciences, University of Greifswald, 17489 Greifswald, Germany
| | - Sébastien Calvignac-Spencer
- Epidemiology of Highly Pathogenic Microorganisms, Robert Koch Institute, 13353 Berlin, Germany; (A.-A.A.); (K.M.); (F.H.L.)
- Helmholtz Institute for One Health, Helmholtz-Centre for Infection Research (HZI), 17489 Greifswald, Germany
- Faculty of Mathematics and Natural Sciences, University of Greifswald, 17489 Greifswald, Germany
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Pereson MJ, Sanabria DJ, Torres C, Liotta DJ, Campos RH, Schurr TG, Di Lello FA, Badano I. Evolutionary analysis of JC polyomavirus in Misiones' population yields insight into the population dynamics of the early human dispersal in the Americas. Virology 2023; 585:100-108. [PMID: 37327595 DOI: 10.1016/j.virol.2023.05.009] [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: 03/14/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND JC polyomavirus (JCV) has an ethno-geographical distribution across human populations. OBJECTIVE Study the origins of the population of Misiones (Argentina) by using JCV as genetic marker. METHODS Viral detection and characterization was conducted by PCR amplification and evolutionary analysis of the intergenic region sequences. RESULTS 22 out of 121 samples were positive for JCV, including 5 viral lineages: MY (n = 8), Eu-a (n = 7), B1-c (n = 4), B1-b (n = 2) and Af2 (n = 1). MY sequences clustered within a branch of Native American origin that diverged from its Asian counterpart about 21,914 years ago (HPD 95% interval 15,383-30,177), followed by a sustained demographic expansion around 5000 years ago. CONCLUSIONS JCV in Misiones reflects the multiethnic origin of the current population, with an important Amerindian contribution. Analysis of the MY viral lineage shows a pattern consistent with the arrival of early human migrations to the Americas and a population expansion by the pre-Columbian native societies.
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Affiliation(s)
- Matias J Pereson
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM). Ciudad Autónoma de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Ciudad Autónoma de Buenos Aires, Argentina
| | - Daiana J Sanabria
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Ciudad Autónoma de Buenos Aires, Argentina; Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Laboratorio de Biología Molecular Aplicada (LaBiMAp). Posadas, Misiones, Argentina
| | - Carolina Torres
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM). Ciudad Autónoma de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Ciudad Autónoma de Buenos Aires, Argentina
| | - Domingo J Liotta
- Instituto Nacional de Medicina Tropical-ANLIS ''Dr. Malbrán'', Neuquén y Jujuy S/n, N3370, Puerto Iguazú, Misiones, Argentina
| | - Rodolfo H Campos
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM). Ciudad Autónoma de Buenos Aires, Argentina
| | - Theodore G Schurr
- Laboratory of Molecular Anthropology, Department of Anthropology, University of Pennsylvania. Philadelphia, PA 19104-6398, USA
| | - Federico A Di Lello
- Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Instituto de Investigaciones en Bacteriología y Virología Molecular (IBaViM). Ciudad Autónoma de Buenos Aires, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Ciudad Autónoma de Buenos Aires, Argentina
| | - Inés Badano
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Ciudad Autónoma de Buenos Aires, Argentina; Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Laboratorio de Biología Molecular Aplicada (LaBiMAp). Posadas, Misiones, Argentina; Universidad Nacional de Misiones. Red de Laboratorios. Laboratorio de Antropología Biológica y Bioinformática Aplicada (LABBA). Misiones, Argentina.
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Rahmatullah M, Jahan R, Nissapatorn V, Pereira MDL, Wiart C. Editorial: Emerging and old viral diseases: Antiviral drug discovery from medicinal plants. Front Pharmacol 2022; 13:976592. [PMID: 36059941 PMCID: PMC9437638 DOI: 10.3389/fphar.2022.976592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Mohammed Rahmatullah
- Department of Biotechnology and Genetic Engineering, Faculty of Life Sciences, University of Development Alternative, Dhaka, Bangladesh
- *Correspondence: Mohammed Rahmatullah,
| | - Rownak Jahan
- Department of Biotechnology and Genetic Engineering, Faculty of Life Sciences, University of Development Alternative, Dhaka, Bangladesh
| | - Veeranoot Nissapatorn
- School of Allied Health Sciences and World Union for Herbal Drug Discovery (WUHeDD), Walailak University, Nakhon Si Thammarat, Thailand
| | - Maria De Lourdes Pereira
- CICECO-Aveiro Institute of Materials and Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - Christophe Wiart
- School of Pharmacy, University of Nottingham Malaysia Campus, Selangor, Malaysia
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Zhang W, Zhang YC, Wang ZG, Gu QY, Niu JZ, Wang JJ. The Diversity of Viral Community in Invasive Fruit Flies (Bactrocera and Zeugodacus) Revealed by Meta-transcriptomics. MICROBIAL ECOLOGY 2022; 83:739-752. [PMID: 34173031 DOI: 10.1007/s00248-021-01790-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 06/08/2021] [Indexed: 06/13/2023]
Abstract
RNA viruses are extremely diverse and rapidly evolving in various organisms. Our knowledge on viral evolution with interacted hosts in the manner of ecology is still limited. In the agricultural ecosystem, invasive insect species are posing a great threat to sustainable crop production. Among them, fruit flies (Diptera: Tephritidae Bactrocera and Zeugodacus) are destructive to fruits and vegetables, which are also closely related and often share similar ecological niches. Thus, they are ideal models for investigating RNA virome dynamics in host species. Using meta-transcriptomics, we found 39 viral sequences in samples from 12 fly species. These viral species represented the diversity of the viromes including Dicistroviridae, negev-like virus clades, Thika virus clades, Solemoviridae, Narnaviridae, Nodaviridae, Iflaviridae, Orthomyxoviridae, Bunyavirales, Partitiviridae, and Reoviridae. In particular, dicistrovirus, negev-like virus, orthomyxovirus, and orbivirus were common in over four of the fly species, which suggests a positive interaction between fly viromes that exist under the same ecological conditions. For most of the viruses, the virus-derived small RNAs displayed significantly high peaks in 21 nt and were symmetrically distributed throughout the viral genome. These results suggest that infection by these viruses can activate the host's RNAi immunity. Our study provides RNA virome diversity and evidence on their infection activity in ecologically associated invasive fruit fly species, which could help our understanding of interactions between complex species and viruses.
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Affiliation(s)
- Wei Zhang
- Chongqing Key Laboratory of Entomology and Pest Control Engineering College of Plant Protection, Southwest University, Chongqing, 400715, China
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Yan-Chun Zhang
- Chongqing Key Laboratory of Entomology and Pest Control Engineering College of Plant Protection, Southwest University, Chongqing, 400715, China
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Zi-Guo Wang
- Chongqing Key Laboratory of Entomology and Pest Control Engineering College of Plant Protection, Southwest University, Chongqing, 400715, China
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Qiao-Ying Gu
- Chongqing Key Laboratory of Entomology and Pest Control Engineering College of Plant Protection, Southwest University, Chongqing, 400715, China
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Jin-Zhi Niu
- Chongqing Key Laboratory of Entomology and Pest Control Engineering College of Plant Protection, Southwest University, Chongqing, 400715, China
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China
| | - Jin-Jun Wang
- Chongqing Key Laboratory of Entomology and Pest Control Engineering College of Plant Protection, Southwest University, Chongqing, 400715, China.
- State Cultivation Base of Crop Stress Biology for Southern Mountainous Land, Academy of Agricultural Sciences, Southwest University, Chongqing, 400715, China.
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Marques-Pereira C, Pires M, Moreira IS. Discovery of Virus-Host interactions using bioinformatic tools. Methods Cell Biol 2022; 169:169-198. [DOI: 10.1016/bs.mcb.2022.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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9
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Cebriá-Mendoza M, Bracho MA, Arbona C, Larrea L, Díaz W, Sanjuán R, Cuevas JM. Exploring the Diversity of the Human Blood Virome. Viruses 2021; 13:v13112322. [PMID: 34835128 PMCID: PMC8621239 DOI: 10.3390/v13112322] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/15/2021] [Accepted: 11/18/2021] [Indexed: 01/01/2023] Open
Abstract
Metagenomics is greatly improving our ability to discover new viruses, as well as their possible associations with disease. However, metagenomics has also changed our understanding of viruses in general. The vast expansion of currently known viral diversity has revealed a large fraction of non-pathogenic viruses, and offers a new perspective in which viruses function as important components of many ecosystems. In this vein, studies of the human blood virome are often motivated by the search for new viral diseases, especially those associated with blood transfusions. However, these studies have revealed the common presence of apparently non-pathogenic viruses in blood, particularly human anelloviruses and, to a lower extent, human pegiviruses (HPgV). To shed light on the diversity of the human blood virome, we subjected pooled plasma samples from 587 healthy donors in Spain to a viral enrichment protocol, followed by massive parallel sequencing. This showed that anelloviruses were clearly the major component of the blood virome and showed remarkable diversity. In total, we assembled 332 complete or near-complete anellovirus genomes, 50 of which could be considered new species. HPgV was much less frequent, but we, nevertheless, recovered 17 different isolates that we subsequently used for characterizing the diversity of this virus. In-depth investigation of the human blood virome should help to elucidate the ecology of these viruses, and to unveil potentially associated diseases.
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Affiliation(s)
- María Cebriá-Mendoza
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
| | - María A. Bracho
- Joint Research Unit “Infection and Public Health”, FISABIO-Universitat de València I2SysBio, 46020 València, Spain;
- CIBER in Epidemiology and Public Health (CIBERESP), 46020 València, Spain
| | - Cristina Arbona
- Centro de Transfusión de la Comunidad Valenciana, 46020 València, Spain; (C.A.); (L.L.)
| | - Luís Larrea
- Centro de Transfusión de la Comunidad Valenciana, 46020 València, Spain; (C.A.); (L.L.)
| | - Wladimiro Díaz
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
- Department of Informatics, Universitat de València, 46020 València, Spain
| | - Rafael Sanjuán
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
- Department of Genetics, Universitat de València, 46020 València, Spain
| | - José M. Cuevas
- Institute for Integrative Systems Biology (I2SysBio), Universitat de València-CSIC, 46980 València, Spain; (M.C.-M.); (W.D.); (R.S.)
- Department of Genetics, Universitat de València, 46020 València, Spain
- Correspondence:
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10
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Ghafari M, Simmonds P, Pybus OG, Katzourakis A. A mechanistic evolutionary model explains the time-dependent pattern of substitution rates in viruses. Curr Biol 2021; 31:4689-4696.e5. [PMID: 34478645 PMCID: PMC8585505 DOI: 10.1016/j.cub.2021.08.020] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/02/2021] [Accepted: 08/05/2021] [Indexed: 01/16/2023]
Abstract
Estimating viral timescales is fundamental in understanding the evolutionary biology of viruses. Molecular clocks are widely used to reveal the recent evolutionary histories of viruses but may severely underestimate their longer-term origins because of the inverse correlation between inferred rates of evolution and the timescale of their measurement. Here, we provide a predictive mechanistic model that readily explains the rate decay phenomenon over a wide range of timescales and recapitulates the ubiquitous power-law rate decay with a slope of -0.65. We show that standard substitution models fail to correctly estimate divergence times once the most rapidly evolving sites saturate, typically after hundreds of years in RNA viruses and thousands of years in DNA viruses. Our model successfully recreates the observed pattern of decay and explains the evolutionary processes behind the time-dependent rate phenomenon. We then apply our model to re-estimate the date of diversification of genotypes of hepatitis C virus to 423,000 (95% highest posterior density [HPD]: 394,000-454,000) years before present, a time preceding the dispersal of modern humans out of Africa, and show that the most recent common ancestor of sarbecoviruses dates back to 21,000 (95% HPD: 19,000-22,000) years ago, nearly thirty times older than previous estimates. This creates a new perspective for our understanding of the origins of these viruses and also suggests that a substantial revision of evolutionary timescales of other viruses can be similarly achieved.
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Affiliation(s)
- Mahan Ghafari
- Department of Zoology, University of Oxford, Oxford, UK
| | - Peter Simmonds
- Nuffield Department of Medicine, University of Oxford, Oxford, UK
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11
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Mandal P, Bhattacharjee B, Sen S, Bhattacharya A, Saha SS, Chowdhury RR, Mondal NR, Chakrabarty B, Chatterjee T, Roy S, Sengupta S. Predominance of genomically defined A lineage of HPV16 over D lineage in Indian patients from eastern India with squamous cell carcinoma of the cervix in association with distinct oncogenic phenotypes. Transl Oncol 2021; 15:101256. [PMID: 34717279 PMCID: PMC8564679 DOI: 10.1016/j.tranon.2021.101256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/28/2021] [Accepted: 10/22/2021] [Indexed: 11/25/2022] Open
Abstract
The HPV16 lineage A viruses are predominantly associated with cervical squamous cell carcinoma (SCC) in the eastern region of India. Among lineage A viruses, the E5(Y44L, I65V), E6(L83V) and LCR: C7577T variants are associated with SCC. The risk alleles are distributed among 10 clades comprising of 64 HPV16 genomes. Low integration, high episomal copy numbers and high E7 mRNA expression in SCC contrasts lineage A viruses from lineage D.
Human papillomavirus type-16 (HPV16) is classified into lineages, A, B, C and D and 10 sub-lineages portraying variable infectivity, persistence, and cytological outcomes, however, with geographical variations. Our objective was to delineate the distinctive features of lineages among cervical squamous cell carcinoma (SCC) in the eastern region of India. A total of 145 SCC cases and 24 non-malignant specimens, harboring episomal HPV16, were included. The presence of higher proportion of lineage A over D was observed among SCC cases (86.89% A1, 8.97% D1 and 4.14% D2), while only A1 sub-lineage viruses were found among control specimens. Among the A1 viruses, an association of variants in the E5 (Y44L, I65V), E6 (L83V) genes and LCR: C7577T with SCC, with combined Odd's ratio (95% CI) of 20.5(4.61–91.25) was observed. Network analyses revealed the presence of 10 clades of lineage A viruses comprising of 64 HPV16 genomes harboring the risk alleles. High episomal HPV16 DNA copy numbers (adjusted p-value= 0.0271) and E7 mRNA expression (p-value=0.000017) predominated in SCC with lineage A, over D. Our study highlights the distinctive modalities of oncogenicity among different HPV16 lineages.
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Affiliation(s)
- Paramita Mandal
- National Institute of Biomedical Genomics, P.O.: N.S.S., Kalyani, West Bengal 741251, India; Biomedical Genetics Laboratory, Department of Zoology, The University of Burdwan, Purba Burdwan, West Bengal 713104, India
| | - Bornali Bhattacharjee
- National Institute of Biomedical Genomics, P.O.: N.S.S., Kalyani, West Bengal 741251, India; Amity Institute of Biotechnology, Amity University Kolkata, Kolkata, India.
| | - Shrinka Sen
- National Institute of Biomedical Genomics, P.O.: N.S.S., Kalyani, West Bengal 741251, India; Department of Medical Genetics, University of British Columbia, 4500 Oak Street, Vancouver, British Columbia V6H 3N1, Canada
| | - Amrapali Bhattacharya
- National Institute of Biomedical Genomics, P.O.: N.S.S., Kalyani, West Bengal 741251, India; DBT-NIDAN Kendra on Rare Genetic Diseases, N. R. S. Medical College and Hospital, 138, A. J. C. Bose Road, Kolkata 700014, India
| | - Sweta Sharma Saha
- National Institute of Biomedical Genomics, P.O.: N.S.S., Kalyani, West Bengal 741251, India; Translational and Clinical Research Institute, Faculty of Medical Sciences, Centre for Cancer, Newcastle University, NE2 4HH, UK
| | | | | | | | | | | | - Sharmila Sengupta
- National Institute of Biomedical Genomics, P.O.: N.S.S., Kalyani, West Bengal 741251, India.
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12
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Zhu W, Yang J, Lu S, Jin D, Wu S, Pu J, Luo XL, Liu L, Li Z, Xu J. Discovery and Evolution of a Divergent Coronavirus in the Plateau Pika From China That Extends the Host Range of Alphacoronaviruses. Front Microbiol 2021; 12:755599. [PMID: 34691006 PMCID: PMC8529330 DOI: 10.3389/fmicb.2021.755599] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 09/14/2021] [Indexed: 12/26/2022] Open
Abstract
Although plateau pikas are the keystone species in the plateau ecosystem of the Qinghai Province of China, little is known about their role in the evolution and transmission of viral pathogens, especially coronaviruses. Here, we describe the characterization and evolution of a novel alphacoronavirus, termed plateau pika coronavirus (PPCoV) P83, which has a prevalence of 4.5% in plateau pika fecal samples. In addition to classical gene order, the complete viral genome contains a unique nonstructural protein (NS2), several variable transcription regulatory sequences and a highly divergent spike protein. Phylogenetic analysis indicates that the newly discovered PPCoV falls into the genus Alphacoronavirus and is most closely related to rodent alphacoronaviruses. The co-speciation analysis shows that the phylogenetic trees of the alphacoronaviruses and their hosts are not always matched, suggesting inter-species transmission is common in alphacoronaviruses. And, PPCoV origin was estimated by molecular clock based on membrane and RNA-dependent RNA polymerase encoding genes, respectively, which revealed an apparent discrepancy with that of co-speciation analysis. PPCoV was detected mainly in intestinal samples, indicating a potential enteric tropism for the virus. Overall, this study extends the host range of alphacoronaviruses to a new order (Lagomorpha), indicating that plateau pikas may be the natural reservoir of PPCoV and play an important and long-term role in alphacoronavirus evolution.
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Affiliation(s)
- Wentao Zhu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jing Yang
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.,Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.,Research Units of Discovery of Unknown Bacteria and Function, Chinese Academy of Medical Sciences, Beijing, China
| | - Shan Lu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.,Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.,Research Units of Discovery of Unknown Bacteria and Function, Chinese Academy of Medical Sciences, Beijing, China
| | - Dong Jin
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.,Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.,Research Units of Discovery of Unknown Bacteria and Function, Chinese Academy of Medical Sciences, Beijing, China
| | - Shusheng Wu
- Yushu Prefecture Center for Disease Control and Prevention, Yushu, China
| | - Ji Pu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xue-Lian Luo
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Liyun Liu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhenjun Li
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jianguo Xu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.,Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.,Research Units of Discovery of Unknown Bacteria and Function, Chinese Academy of Medical Sciences, Beijing, China.,Research Institute of Public Heath, Nankai University, Tianjin, China
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13
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Abstract
Over the last two decades, the viromes of our closest relatives, the African great apes (AGA), have been intensively studied. Comparative approaches have unveiled diverse evolutionary patterns, highlighting both stable host-virus associations over extended evolutionary timescales and much more recent viral emergence events. In this chapter, we summarize these findings and outline how they have shed a new light on the origins and evolution of many human-infecting viruses. We also show how this knowledge can be used to better understand the evolution of human health in relation to viral infections.
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14
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Cagliani R, Mozzi A, Pontremoli C, Sironi M. Evolution and Origin of Human Viruses. Virology 2021. [DOI: 10.1002/9781119818526.ch8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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15
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Forni D, Cagliani R, Clerici M, Pozzoli U, Sironi M. You Will Never Walk Alone: Codispersal of JC Polyomavirus with Human Populations. Mol Biol Evol 2020; 37:442-454. [PMID: 31593241 DOI: 10.1093/molbev/msz227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
JC polyomavirus (JCPyV) is one of the most prevalent human viruses. Findings based on the geographic distribution of viral subtypes suggested that JCPyV codiverged with human populations. This view was however challenged by data reporting a much more recent origin and expansion of JCPyV. We collected information on ∼1,100 worldwide strains and we show that their geographic distribution roughly corresponds to major human migratory routes. Bayesian phylogeographic analysis inferred a Subsaharan origin for JCPyV, although with low posterior probability. High confidence inference at internal nodes provided strong support for a long-standing association between the virus and human populations. In line with these data, pairwise FST values for JCPyV and human mtDNA sampled from the same areas showed a positive and significant correlation. Likewise, very strong relationships were found when node ages in the JCPyV phylogeny were correlated with human population genetic distances (nuclear-marker based FST). Reconciliation analysis detected a significant cophylogenetic signal for the human population and JCPyV trees. Notably, JCPyV also traced some relatively recent migration events such as the expansion of people from the Philippines/Taiwan area into Remote Oceania, the gene flow between North-Eastern Siberian and Ainus, and the Koryak contribution to Circum-Arctic Americans. Finally, different molecular dating approaches dated the origin of JCPyV in a time frame that precedes human out-of-Africa migration. Thus, JCPyV infected early human populations and accompanied our species during worldwide dispersal. JCPyV typing can provide reliable geographic information and the virus most likely adapted to the genetic background of human populations.
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Affiliation(s)
- Diego Forni
- Scientific Institute, IRCCS E. MEDEA, Bioinformatics, Bosisio Parini, Lecco, Italy
| | - Rachele Cagliani
- Scientific Institute, IRCCS E. MEDEA, Bioinformatics, Bosisio Parini, Lecco, Italy
| | - Mario Clerici
- Department of Physiopathology and Transplantation, University of Milan, Milan, Italy.,IRCCS Fondazione Don Carlo Gnocchi, Milan, Italy
| | - Uberto Pozzoli
- Scientific Institute, IRCCS E. MEDEA, Bioinformatics, Bosisio Parini, Lecco, Italy
| | - Manuela Sironi
- Scientific Institute, IRCCS E. MEDEA, Bioinformatics, Bosisio Parini, Lecco, Italy
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16
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Toppinen M, Pratas D, Väisänen E, Söderlund-Venermo M, Hedman K, Perdomo MF, Sajantila A. The landscape of persistent human DNA viruses in femoral bone. Forensic Sci Int Genet 2020; 48:102353. [PMID: 32668397 DOI: 10.1016/j.fsigen.2020.102353] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/24/2020] [Accepted: 07/06/2020] [Indexed: 12/15/2022]
Abstract
The imprints left by persistent DNA viruses in the tissues can testify to the changes driving virus evolution as well as provide clues on the provenance of modern and ancient humans. However, the history hidden in skeletal remains is practically unknown, as only parvovirus B19 and hepatitis B virus DNA have been detected in hard tissues so far. Here, we investigated the DNA prevalences of 38 viruses in femoral bone of recently deceased individuals. To this end, we used quantitative PCRs and a custom viral targeted enrichment followed by next-generation sequencing. The data was analyzed with a tailor-made bioinformatics pipeline. Our findings revealed bone to be a much richer source of persistent DNA viruses than earlier perceived, discovering ten additional ones, including several members of the herpes- and polyomavirus families, as well as human papillomavirus 31 and torque teno virus. Remarkably, many of the viruses found have oncogenic potential and/or may reactivate in the elderly and immunosuppressed individuals. Thus, their persistence warrants careful evaluation of their clinical significance and impact on bone biology. Our findings open new frontiers for the study of virus evolution from ancient relics as well as provide new tools for the investigation of human skeletal remains in forensic and archaeological contexts.
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Affiliation(s)
- Mari Toppinen
- Department of Virology, University of Helsinki, Finland
| | - Diogo Pratas
- Department of Virology, University of Helsinki, Finland; Department of Electronics, Telecommunications and Informatics, University of Aveiro, Portugal; Institute of Electronics and Informatics Engineering of Aveiro, University of Aveiro, Portugal
| | | | | | - Klaus Hedman
- Department of Virology, University of Helsinki, Finland; HUSLAB, Helsinki University Hospital, Finland
| | | | - Antti Sajantila
- Department of Forensic Medicine, University of Helsinki, Finland; Forensic Medicine Unit, Finnish Institute of Health and Welfare, Finland.
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17
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Abstract
Recent discoveries of contemporary genotypes of hepatitis B virus and parvovirus B19 in ancient human remains demonstrate that little genetic change has occurred in these viruses over 4,500-6,000 years. Endogenous viral elements in host genomes provide separate evidence that viruses similar to many major contemporary groups circulated 100 million years ago or earlier. In this Opinion article, we argue that the extraordinary conservation of virus genome sequences is best explained by a niche-filling model in which fitness optimization is rapidly achieved in their specific hosts. Whereas short-term substitution rates reflect the accumulation of tolerated sequence changes within adapted genomes, longer-term rates increasingly resemble those of their hosts as the evolving niche moulds and effectively imprisons the virus in co-adapted virus-host relationships. Contrastingly, viruses that jump hosts undergo strong and stringent adaptive selection as they maximize their fit to their new niche. This adaptive capability may paradoxically create evolutionary stasis in long-term host relationships. While viruses can evolve and adapt rapidly, their hosts may ultimately shape their longer-term evolution.
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18
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Domingo E. Long-term virus evolution in nature. VIRUS AS POPULATIONS 2020. [PMCID: PMC7153321 DOI: 10.1016/b978-0-12-816331-3.00007-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Viruses spread to give rise to epidemics and pandemics, and some key parameters that include virus and host population numbers determine virus persistence or extinction in nature. Viruses evolve at different rates depending on the polymerase copying fidelity during genome replication and a number of environmental influences. Calculated rates of evolution in nature vary depending on the time interval between virus isolations. In particular, intrahost evolution is generally more rapid that interhost evolution, and several possible mechanisms for this difference are considered. The mechanisms by which the error-prone viruses evolve are very unlikely to render the operation of a molecular clock (constant rate of incorporation of mutations in the evolving genomes), although a clock is assumed in many calculations. Several computational tools permit the alignment of viral sequences and the establishment of phylogenetic relationships among viruses. The evolution of the virus in the form of dynamic mutant clouds in each infected individual, together with multiple environmental parameters renders the emergence and reemergence of viral pathogens an unpredictable event, another facet of biological complexity.
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19
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Evolution and molecular epidemiology of polyomaviruses. INFECTION GENETICS AND EVOLUTION 2019; 79:104150. [PMID: 31870972 DOI: 10.1016/j.meegid.2019.104150] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/17/2019] [Accepted: 12/19/2019] [Indexed: 02/08/2023]
Abstract
Polyomaviruses (PyVs) are small DNA viruses that infect several species, including mammals, birds and fishes. Their study gained momentum after the report of previously unidentified viral species in the past decade, and especially, since the description of the first polyomavirus clearly oncogenic for humans. The aim of this work was to review the most relevant aspects of the evolution and molecular epidemiology of polyomaviruses, allowing to reveal general evolutionary patterns and to identify some unaddressed issues and future challenges. The main points analysed included: 1) the species and genera assignation criteria; 2) the hypotheses, mechanisms and timescale of the ancient and recent evolutionary history of polyomaviruses; and 3) the molecular epidemiology of human viruses, with special attention to JC, BK and Merkel cell polyomaviruses.
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20
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Zeghbib S, Herczeg R, Kemenesi G, Zana B, Kurucz K, Urbán P, Madai M, Földes F, Papp H, Somogyi B, Jakab F. Genetic characterization of a novel picornavirus in Algerian bats: co-evolution analysis of bat-related picornaviruses. Sci Rep 2019; 9:15706. [PMID: 31673141 PMCID: PMC6823487 DOI: 10.1038/s41598-019-52209-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 10/15/2019] [Indexed: 12/13/2022] Open
Abstract
Bats are reservoirs of numerous zoonotic viruses. The Picornaviridae family comprises important pathogens which may infect both humans and animals. In this study, a bat-related picornavirus was detected from Algerian Minioptreus schreibersii bats for the first time in the country. Molecular analyses revealed the new virus originates to the Mischivirus genus. In the operational use of the acquired sequence and all available data regarding bat picornaviruses, we performed a co-evolutionary analysis of mischiviruses and their hosts, to authentically reveal evolutionary patterns within this genus. Based on this analysis, we enlarged the dataset, and examined the co-evolutionary history of all bat-related picornaviruses including their hosts, to effectively compile all possible species jumping events during their evolution. Furthermore, we explored the phylogeny association with geographical location, host-genus and host-species in both data sets.
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Affiliation(s)
- Safia Zeghbib
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Róbert Herczeg
- Bioinformatics Research Group, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Gábor Kemenesi
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Brigitta Zana
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Kornélia Kurucz
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Péter Urbán
- Bioinformatics Research Group, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Mónika Madai
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Fanni Földes
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Henrietta Papp
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Balázs Somogyi
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary
| | - Ferenc Jakab
- Virological Research Group, BSL-4 Laboratory, Szentágothai Research Centre, University of Pécs, Pécs, Hungary.
- Institute of Biology, Faculty of Sciences, University of Pécs, Pécs, Hungary.
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21
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Quintero-Gil C, Rendon-Marin S, Martinez-Gutierrez M, Ruiz-Saenz J. Origin of Canine Distemper Virus: Consolidating Evidence to Understand Potential Zoonoses. Front Microbiol 2019; 10:1982. [PMID: 31555226 PMCID: PMC6722215 DOI: 10.3389/fmicb.2019.01982] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Accepted: 08/12/2019] [Indexed: 11/15/2022] Open
Affiliation(s)
- Carolina Quintero-Gil
- Grupo de Investigación en Ciencias Animales-GRICA, Universidad Cooperativa de Colombia, Bucaramanga, Colombia
| | - Santiago Rendon-Marin
- Grupo de Investigación en Ciencias Animales-GRICA, Universidad Cooperativa de Colombia, Bucaramanga, Colombia
| | - Marlen Martinez-Gutierrez
- Grupo de Investigación en Ciencias Animales-GRICA, Universidad Cooperativa de Colombia, Bucaramanga, Colombia.,Infettare, Facultad de Medicina, Universidad Cooperativa de Colombia, Medellín, Colombia
| | - Julian Ruiz-Saenz
- Grupo de Investigación en Ciencias Animales-GRICA, Universidad Cooperativa de Colombia, Bucaramanga, Colombia.,Asociación Colombiana de Virología, Bogotá, Colombia
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22
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Chen Z, Long T, Wong PY, Ho WCS, Burk RD, Chan PKS. Non-human Primate Papillomaviruses Share Similar Evolutionary Histories and Niche Adaptation as the Human Counterparts. Front Microbiol 2019; 10:2093. [PMID: 31552003 PMCID: PMC6747053 DOI: 10.3389/fmicb.2019.02093] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 08/26/2019] [Indexed: 11/13/2022] Open
Abstract
Given high genetic diversity of papillomaviruses (PV) and complex scenario of virus-host interaction, the genetic basis underlying the mechanisms of HPV carcinogenicity is not well understood. In an effort to evaluate the origin and evolution of PV pathogenicity, we collected paired oral, perianal, and genital swabs from a wild macaque population. Of the 117 surveyed macaques, 88 (75.2%) were positive for PV DNA in one or more sites, mostly common from genital swabs, followed by oral and perianal sites. All putative macaque PV types phylogenetically clustered into the genera Alpha-, Beta-, and Gammapapillomavirus, with a strong phylogeny-tropism association as observed in HPVs. Using a Bayesian Markov Chain Monte Carlo framework, we demonstrated ancient intra-host divergence of primate PVs in which multiple ancestors had split and adapted to specific host ecosystems at least 41 million years ago, prior to the speciation events of primate host species. Following subsequent divergence and niche adaptation, distinct but phylogenetically related PV types were transmitted to similar host ecosystems by closely related host animals when host speciation occurred, which may explain in part the origin of carcinogenicity of HPV type 16 (HPV16) and Macaca fascicularis PV type 3 (MfPV3) that evolved from a most recent common ancestor containing the determinants for cervicovaginal colonization and cervical cancer. The findings identifying evolutionary and biological relatedness between human and non-human primate PVs lay a genetic foundation for research on parasite-host interactions and carcinogenic outcomes, which will prove useful in further study of viral pathogenesis and host specificity.
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Affiliation(s)
- Zigui Chen
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, China.,Centre for Emerging Infectious Diseases, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Teng Long
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, China
| | - Po Yee Wong
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, China
| | - Wendy C S Ho
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, China
| | - Robert D Burk
- Department of Pediatrics, Microbiology and Immunology, Epidemiology and Population Health, and Obstetrics, Gynecology and Woman's Health, Albert Einstein College of Medicine, The Bronx, NY, United States
| | - Paul K S Chan
- Department of Microbiology, The Chinese University of Hong Kong, Hong Kong, China.,Centre for Emerging Infectious Diseases, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
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23
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Sanabria DJ, Mojsiejczuk LN, Torres C, Meyer AG, Mbayed VA, Liotta DJ, Campos RH, Schurr TG, Badano I. Genetic diversity of the JC polyomavirus (JCPyV) and mitochondrial DNA ancestry in Misiones, Argentina. INFECTION GENETICS AND EVOLUTION 2019; 75:104011. [PMID: 31446138 DOI: 10.1016/j.meegid.2019.104011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 08/01/2019] [Accepted: 08/19/2019] [Indexed: 11/16/2022]
Abstract
BACKGROUND The use of human and viral genetic markers offers a novel way to study human migration in multiethnic populations of Latin America. OBJECTIVES Our goal was to characterize the genetic diversity and geographical origins of JC Polyomavirus (JCPyV) and the genetic ancestry of mitochondrial DNA (mtDNA) in inhabitants from 25 de Mayo, Misiones-Argentina, a small village of largely German ancestry located close to the border with Brazil. We also evaluated the extent of agreement between viral and mtDNA markers for the different ancestry components of this population. STUDY DESIGN 68 individuals were analyzed for JCPyV and mtDNA diversity. JCPyV detection and typing was conducted in urine samples by PCR amplification, sequencing and phylogenetic analysis of the VP1 gene. mtDNA ancestry was assessed through HVS1 sequencing, with the resulting haplotypes being classified into haplogroups of Amerindian, European and African origin. The distribution of JCPyV diversity and mtDNA ancestry in the population was statistically evaluated by Fisher exact test and the level of agreement of both markers at the individual level was evaluated by Cohen's kappa coefficient. RESULTS Our analysis showed that 57.4% of the samples were positive for JCPyV. Of these, the 47.6% were Asian-American Type 2, 33.3% European Type 1 and 19.1% African Type 3 in origin. The mtDNA ancestry of the study participants was 33.3% Amerindian and 66.7% European. There was a significant difference among the distribution of JCPyV diversity and mtDNA ancestry (p = 0.009) and at the individual level there was no correlation between the distribution of the both markers (κ = 0.154, p = 0.297). CONCLUSION The apparent incongruence between JCPyV diversity and mtDNA ancestry may reflect the original settlement process and more recent migration to 25 de Mayo, the latter involving viral spread through migrants from Brazil. Some potential limitations to our interpretations are also discussed.
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Affiliation(s)
- Daiana J Sanabria
- Laboratorio de Biología Molecular Aplicada, Universidad Nacional de Misiones, Posadas, Misiones, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina.
| | - Laura N Mojsiejczuk
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Cátedra de Virología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Carolina Torres
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Cátedra de Virología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Alejandro G Meyer
- Laboratorio de Biología Molecular Aplicada, Universidad Nacional de Misiones, Posadas, Misiones, Argentina
| | - Viviana A Mbayed
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Cátedra de Virología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Domingo J Liotta
- Laboratorio de Biología Molecular Aplicada, Universidad Nacional de Misiones, Posadas, Misiones, Argentina
| | - Rodolfo H Campos
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina; Cátedra de Virología, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
| | - Theodore G Schurr
- Laboratory of Molecular Anthropology, Department of Anthropology, University of Pennsylvania, Philadelphia, PA 19104-6398, USA
| | - Ines Badano
- Laboratorio de Biología Molecular Aplicada, Universidad Nacional de Misiones, Posadas, Misiones, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Ciudad Autónoma de Buenos Aires, Argentina
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24
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Phylogeography of Puumala orthohantavirus in Europe. Viruses 2019; 11:v11080679. [PMID: 31344894 PMCID: PMC6723369 DOI: 10.3390/v11080679] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/12/2019] [Accepted: 07/22/2019] [Indexed: 12/21/2022] Open
Abstract
Puumala virus is an RNA virus hosted by the bank vole (Myodes glareolus) and is today present in most European countries. Whilst it is generally accepted that hantaviruses have been tightly co-evolving with their hosts, Puumala virus (PUUV) evolutionary history is still controversial and so far has not been studied at the whole European level. This study attempts to reconstruct the phylogeographical spread of modern PUUV throughout Europe during the last postglacial period in the light of an upgraded dataset of complete PUUV small (S) segment sequences and by using most recent computational approaches. Taking advantage of the knowledge on the past migrations of its host, we identified at least three potential independent dispersal routes of PUUV during postglacial recolonization of Europe by the bank vole. From the Alpe-Adrian region (Balkan, Austria, and Hungary) to Western European countries (Germany, France, Belgium, and Netherland), and South Scandinavia. From the vicinity of Carpathian Mountains to the Baltic countries and to Poland, Russia, and Finland. The dissemination towards Denmark and North Scandinavia is more hypothetical and probably involved several independent streams from south and north Fennoscandia.
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25
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Virus discovery reveals frequent infection by diverse novel members of the Flaviviridae in wild lemurs. Arch Virol 2018; 164:509-522. [PMID: 30460488 DOI: 10.1007/s00705-018-4099-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Accepted: 10/31/2018] [Indexed: 12/13/2022]
Abstract
Lemurs are highly endangered mammals inhabiting the forests of Madagascar. In this study, we performed virus discovery on serum samples collected from 84 wild lemurs and identified viral sequence fragments from 4 novel viruses within the family Flaviviridae, including members of the genera Hepacivirus and Pegivirus. The sifaka hepacivirus (SifHV, two genotypes) and pegivirus (SifPgV, two genotypes) were discovered in the diademed sifaka (Propithecus diadema), while other pegiviral fragments were detected in samples from the indri (Indri indri, IndPgV) and the weasel sportive lemur (Lepilemur mustelinus, LepPgV). Although data are preliminary, each viral species appeared host species-specific and frequent infection was detected (18 of 84 individuals were positive for at least one virus). The complete coding sequence and partial 5' and 3' untranslated regions (UTRs) were obtained for SifHV and its genomic organization was consistent with that of other hepaciviruses, with one unique polyprotein and highly structured UTRs. Phylogenetic analyses showed the SifHV belonged to a clade that includes several viral species identified in rodents from Asia and North America, while SifPgV and IndPgV were more closely related to pegiviral species A and C, that include viruses found in humans as well as New- and Old-World monkeys. Our results support the current proposed model of virus-host co-divergence with frequent occurrence of cross-species transmission for these genera and highlight how the discovery of more members of the Flaviviridae can help clarify the ecology and evolutionary history of these viruses. Furthermore, this knowledge is important for conservation and captive management of lemurs.
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26
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Abstract
The Filoviridae are a family of negative-strand RNA viruses that include several important human pathogens. Ebola virus (EBOV) and Marburg virus are well-known filoviruses which cause life-threatening viral hemorrhagic fever in human and nonhuman primates. In addition to severe pathogenesis, filoviruses also exhibit a propensity for human-to-human transmission by close contact, posing challenges to containment and crisis management. Past outbreaks, in particular the recent West African EBOV epidemic, have been responsible for thousands of deaths and vaulted the filoviruses into public consciousness. Both national and international health agencies continue to regard potential filovirus outbreaks as critical threats to global public health. To develop effective countermeasures, a basic understanding of filovirus biology is needed. This review encompasses the epidemiology, ecology, molecular biology, and evolution of the filoviruses.
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Affiliation(s)
- Jackson Emanuel
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, United States
| | - Andrea Marzi
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, United States
| | - Heinz Feldmann
- Laboratory of Virology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT, United States.
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27
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Larsen BB, Cole KL, Worobey M. Ancient DNA provides evidence of 27,000-year-old papillomavirus infection and long-term codivergence with rodents. Virus Evol 2018; 4:vey014. [PMID: 29977605 PMCID: PMC6007503 DOI: 10.1093/ve/vey014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The long-term evolutionary history of many viral lineages is poorly understood. Novel sources of ancient DNA combined with phylogenetic analyses can provide insight into the time scale of virus evolution. Here we report viral sequences from ancient North American packrat middens. We screened samples up to 27,000-years old and found evidence of papillomavirus (PV) infection in Neotoma cinerea (Bushy-tailed packrat). Phylogenetic analysis placed the PV sequences in a clade with other previously published PV sequences isolated from rodents. Concordance between the host and virus tree topologies along with a correlation in branch lengths suggests a shared evolutionary history between rodents and PVs. Based on host divergence times, PVs have likely been circulating in rodents for at least 17 million years. These results have implications for our understanding of PV evolution and for further research with ancient DNA from Neotoma middens.
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Affiliation(s)
- Brendan B Larsen
- Department of Ecology and Evolutionary Biology, University of Arizona, 1041 E. Lowell St., Tucson, 85721 AZ, USA
| | - Kenneth L Cole
- Northern Arizona University, School of Earth Sciences and Environmental Sustainability, 525 S. Beaver St., Flagstaff, 86011 AZ, USA
| | - Michael Worobey
- Department of Ecology and Evolutionary Biology, University of Arizona, 1041 E. Lowell St., Tucson, 85721 AZ, USA
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28
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Gedvilaite A, Tryland M, Ulrich RG, Schneider J, Kurmauskaite V, Moens U, Preugschas H, Calvignac-Spencer S, Ehlers B. Novel polyomaviruses in shrews ( Soricidae) with close similarity to human polyomavirus 12. J Gen Virol 2017; 98:3060-3067. [PMID: 29095685 DOI: 10.1099/jgv.0.000948] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Shrews (family Soricidae) have already been reported to host microorganisms pathogenic for humans. In an effort to search for additional infectious agents with zoonotic potential, we detected polyomaviruses (PyVs) in common shrew, crowned shrew, and pygmy shrew (Sorex araneus, S. coronatus and S. minutus). From these, 11 full circular genomes were determined. Phylogenetic analysis based on large T protein sequences showed that these novel PyVs form a separate clade within the genus Alphapolyomavirus. Within this clade, the phylogenetic relationships suggest host-virus co-divergence. Surprisingly, one PyV from common shrew showed a genomic sequence nearly identical to that of the human polyomavirus 12 (HPyV12). This indicated that HPyV12 is a variant of a non-human PyV that naturally infects shrews. Whether HPyV12 is a bona fide human-tropic polyomavirus arising from a recent shrew-to-human transmission event or instead reflects a technical artefact, such as consumable contamination with shrew material, needs further investigation.
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Affiliation(s)
- Alma Gedvilaite
- Institute of Biotechnology, Vilnius University, Vilnius, Lithuania
| | - Morten Tryland
- Department of Arctic and Marine Biology, Arctic Infection Biology, UIT-The Arctic University of Norway, Tromsø, Norway
| | - Rainer G Ulrich
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany
| | - Julia Schneider
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Greifswald - Insel Riems, Germany.,Present address: NMI TT Pharmaservices, c/o CoLaborator, Berlin, Germany
| | | | - Ugo Moens
- Department of Medical Biology, University of Tromsø, Tromsø, Norway
| | | | | | - Bernhard Ehlers
- Division 12 'Measles, Mumps, Rubella and Viruses Affecting Immunocompromised Patients', Robert Koch Institute, Berlin, Germany
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29
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Biology, evolution, and medical importance of polyomaviruses: An update. INFECTION GENETICS AND EVOLUTION 2017. [DOI: 10.1016/j.meegid.2017.06.011] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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30
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Velasco-Villa A, Mauldin MR, Shi M, Escobar LE, Gallardo-Romero NF, Damon I, Olson VA, Streicker DG, Emerson G. The history of rabies in the Western Hemisphere. Antiviral Res 2017. [PMID: 28365457 DOI: 10.1016/j.anti-viral.2017.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Before the introduction of control programs in the 20th century, rabies in domestic dogs occurred throughout the Western Hemisphere. However, historical records and phylogenetic analysis of multiple virus isolates indicate that, before the arrival of the first European colonizers, rabies virus was likely present only in bats and skunks. Canine rabies was either rare or absent among domestic dogs of Native Americans, and first arrived when many new dog breeds were imported during the period of European colonization. The introduction of the cosmopolitan dog rabies lyssavirus variant and the marked expansion of the dog population provided ideal conditions for the flourishing of enzootic canine rabies. The shift of dog-maintained viruses into gray foxes, coyotes, skunks and other wild mesocarnivores throughout the Americas and to mongooses in the Caribbean has augmented the risk of human rabies exposures and has complicated control efforts. At the same time, the continued presence of bat rabies poses novel challenges in the absolute elimination of canine and human rabies. This article compiles existing historical and phylogenetic evidence of the origins and subsequent dynamics of rabies in the Western Hemisphere, from the era preceding the arrival of the first European colonizers through the present day. A companion article reviews the current status of canine rabies control throughout the Western Hemisphere and steps that will be required to achieve and maintain its complete elimination (Velasco-Villa et al., 2017).
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Affiliation(s)
- Andres Velasco-Villa
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA.
| | - Matthew R Mauldin
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA; Oak Ridge Institute for Science and Education (ORISE), CDC Fellowship Program, Oak Ridge, TN, USA
| | - Mang Shi
- Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Luis E Escobar
- Department of Fisheries, Wildlife and Conservation Biology, University of Minnesota, Saint Paul, 55108, MN, USA
| | - Nadia F Gallardo-Romero
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
| | - Inger Damon
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
| | - Victoria A Olson
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
| | - Daniel G Streicker
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Graham Kerr Building, Glasgow, G12 8QQ, Scotland, UK; MRC-University of Glasgow Centre for Virus Research, Sir Henry Wellcome Building, Glasgow, G61 1QH, Scotland, UK
| | - Ginny Emerson
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
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31
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Abstract
Computer-assisted technologies of the genomic structure, biological function, and evolution of viruses remain a largely neglected area of research. The attention of bioinformaticians to this challenging field is currently unsatisfying in respect to its medical and biological importance. The power of new genome sequencing technologies, associated with new tools to handle "big data", provides unprecedented opportunities to address fundamental questions in virology. Here, we present an overview of the current technologies, challenges, and advantages of Next-Generation Sequencing (NGS) in relation to the field of virology. We present how viral sequences can be detected de novo out of current short-read NGS data. Furthermore, we discuss the challenges and applications of viral quasispecies and how secondary structures, commonly shaped by RNA viruses, can be computationally predicted. The phylogenetic analysis of viruses, as another ubiquitous field in virology, forms an essential element of describing viral epidemics and challenges current algorithms. Recently, the first specialized virus-bioinformatic organizations have been established. We need to bring together virologists and bioinformaticians and provide a platform for the implementation of interdisciplinary collaborative projects at local and international scales. Above all, there is an urgent need for dedicated software tools to tackle various challenges in virology.
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Affiliation(s)
- Martin Hölzer
- RNA Bioinformatics and High Throughput Analysis, Faculty of Mathematics and Computer Science, Friedrich Schiller University Jena, Jena, Germany; European Virus Bioinformatics Center (EVBC), Jena, Germany
| | - Manja Marz
- RNA Bioinformatics and High Throughput Analysis, Faculty of Mathematics and Computer Science, Friedrich Schiller University Jena, Jena, Germany; European Virus Bioinformatics Center (EVBC), Jena, Germany; FLI Leibniz Institute for Age Research, Jena, Germany.
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32
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Lauber C, Seitz S, Mattei S, Suh A, Beck J, Herstein J, Börold J, Salzburger W, Kaderali L, Briggs JAG, Bartenschlager R. Deciphering the Origin and Evolution of Hepatitis B Viruses by Means of a Family of Non-enveloped Fish Viruses. Cell Host Microbe 2017; 22:387-399.e6. [PMID: 28867387 PMCID: PMC5604429 DOI: 10.1016/j.chom.2017.07.019] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 07/10/2017] [Accepted: 07/29/2017] [Indexed: 02/07/2023]
Abstract
Hepatitis B viruses (HBVs), which are enveloped viruses with reverse-transcribed DNA genomes, constitute the family Hepadnaviridae. An outstanding feature of HBVs is their streamlined genome organization with extensive gene overlap. Remarkably, the ∼1,100 bp open reading frame (ORF) encoding the envelope proteins is fully nested within the ORF of the viral replicase P. Here, we report the discovery of a diversified family of fish viruses, designated nackednaviruses, which lack the envelope protein gene, but otherwise exhibit key characteristics of HBVs including genome replication via protein-primed reverse-transcription and utilization of structurally related capsids. Phylogenetic reconstruction indicates that these two virus families separated more than 400 million years ago before the rise of tetrapods. We show that HBVs are of ancient origin, descending from non-enveloped progenitors in fishes. Their envelope protein gene emerged de novo, leading to a major transition in viral lifestyle, followed by co-evolution with their hosts over geologic eras. Nackednaviruses are non-enveloped fish viruses related to hepadnaviruses Both virus families separated from a common ancestor >400 million years ago The envelope protein gene of hepadnaviruses emerged through two distinct processes Hepadnaviruses mainly co-evolve with hosts while nackednaviruses jump between hosts
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Affiliation(s)
- Chris Lauber
- Institute for Medical Informatics and Biometry, Technische Universität Dresden, 01307 Dresden, Germany
| | - Stefan Seitz
- University of Heidelberg, Department of Infectious Diseases, Molecular Virology, 69120 Heidelberg, Germany.
| | - Simone Mattei
- Structural and Computational Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany
| | - Alexander Suh
- Department of Evolutionary Biology, Evolutionary Biology Centre (EBC), Uppsala University, 75236 Uppsala, Sweden
| | - Jürgen Beck
- Department of Internal Medicine 2/Molecular Biology, University Hospital Freiburg, 79106 Freiburg, Germany
| | - Jennifer Herstein
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Jacob Börold
- University of Heidelberg, Department of Infectious Diseases, Molecular Virology, 69120 Heidelberg, Germany
| | | | - Lars Kaderali
- Institute for Medical Informatics and Biometry, Technische Universität Dresden, 01307 Dresden, Germany; Institute for Bioinformatics, University Medicine Greifswald, 17487 Greifswald, Germany
| | - John A G Briggs
- Structural and Computational Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany
| | - Ralf Bartenschlager
- University of Heidelberg, Department of Infectious Diseases, Molecular Virology, 69120 Heidelberg, Germany; Division of Virus-Associated Carcinogenesis, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
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33
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Internal Disequilibria and Phenotypic Diversification during Replication of Hepatitis C Virus in a Noncoevolving Cellular Environment. J Virol 2017; 91:JVI.02505-16. [PMID: 28275194 DOI: 10.1128/jvi.02505-16] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Accepted: 02/28/2017] [Indexed: 12/14/2022] Open
Abstract
Viral quasispecies evolution upon long-term virus replication in a noncoevolving cellular environment raises relevant general issues, such as the attainment of population equilibrium, compliance with the molecular-clock hypothesis, or stability of the phenotypic profile. Here, we evaluate the adaptation, mutant spectrum dynamics, and phenotypic diversification of hepatitis C virus (HCV) in the course of 200 passages in human hepatoma cells in an experimental design that precluded coevolution of the cells with the virus. Adaptation to the cells was evidenced by increase in progeny production. The rate of accumulation of mutations in the genomic consensus sequence deviated slightly from linearity, and mutant spectrum analyses revealed a complex dynamic of mutational waves, which was sustained beyond passage 100. The virus underwent several phenotypic changes, some of which impacted the virus-host relationship, such as enhanced cell killing, a shift toward higher virion density, and increased shutoff of host cell protein synthesis. Fluctuations in progeny production and failure to reach population equilibrium at the genomic level suggest internal instabilities that anticipate an unpredictable HCV evolution in the complex liver environment.IMPORTANCE Long-term virus evolution in an unperturbed cellular environment can reveal features of virus evolution that cannot be explained by comparing natural viral isolates. In the present study, we investigate genetic and phenotypic changes that occur upon prolonged passage of hepatitis C virus (HCV) in human hepatoma cells in an experimental design in which host cell evolutionary change is prevented. Despite replication in a noncoevolving cellular environment, the virus exhibited internal population disequilibria that did not decline with increased adaptation to the host cells. The diversification of phenotypic traits suggests that disequilibria inherent to viral populations may provide a selective advantage to viruses that can be fully exploited in changing environments.
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34
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Velasco-Villa A, Mauldin MR, Shi M, Escobar LE, Gallardo-Romero NF, Damon I, Olson VA, Streicker DG, Emerson G. The history of rabies in the Western Hemisphere. Antiviral Res 2017; 146:221-232. [PMID: 28365457 PMCID: PMC5620125 DOI: 10.1016/j.antiviral.2017.03.013] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 03/07/2017] [Accepted: 03/20/2017] [Indexed: 12/13/2022]
Abstract
Before the introduction of control programs in the 20th century, rabies in domestic dogs occurred throughout the Western Hemisphere. However, historical records and phylogenetic analysis of multiple virus isolates indicate that, before the arrival of the first European colonizers, rabies virus was likely present only in bats and skunks. Canine rabies was either rare or absent among domestic dogs of Native Americans, and first arrived when many new dog breeds were imported during the period of European colonization. The introduction of the cosmopolitan dog rabies lyssavirus variant and the marked expansion of the dog population provided ideal conditions for the flourishing of enzootic canine rabies. The shift of dog-maintained viruses into gray foxes, coyotes, skunks and other wild mesocarnivores throughout the Americas and to mongooses in the Caribbean has augmented the risk of human rabies exposures and has complicated control efforts. At the same time, the continued presence of bat rabies poses novel challenges in the absolute elimination of canine and human rabies. This article compiles existing historical and phylogenetic evidence of the origins and subsequent dynamics of rabies in the Western Hemisphere, from the era preceding the arrival of the first European colonizers through the present day. A companion article reviews the current status of canine rabies control throughout the Western Hemisphere and steps that will be required to achieve and maintain its complete elimination (Velasco-Villa et al., 2017).
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Affiliation(s)
- Andres Velasco-Villa
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA.
| | - Matthew R Mauldin
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA; Oak Ridge Institute for Science and Education (ORISE), CDC Fellowship Program, Oak Ridge, TN, USA
| | - Mang Shi
- Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Luis E Escobar
- Department of Fisheries, Wildlife and Conservation Biology, University of Minnesota, Saint Paul, 55108, MN, USA
| | - Nadia F Gallardo-Romero
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
| | - Inger Damon
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
| | - Victoria A Olson
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
| | - Daniel G Streicker
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Graham Kerr Building, Glasgow, G12 8QQ, Scotland, UK; MRC-University of Glasgow Centre for Virus Research, Sir Henry Wellcome Building, Glasgow, G61 1QH, Scotland, UK
| | - Ginny Emerson
- Division of High-Consequence Pathogens and Pathology, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, 1600 Clifton Rd, NE, Atlanta, 30329, GA, USA
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Castel G, Tordo N, Plyusnin A. Estimation of main diversification time-points of hantaviruses using phylogenetic analyses of complete genomes. Virus Res 2017; 233:60-69. [PMID: 28315705 DOI: 10.1016/j.virusres.2017.03.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 03/08/2017] [Accepted: 03/09/2017] [Indexed: 11/17/2022]
Abstract
Because of the great variability of their reservoir hosts, hantaviruses are excellent models to evaluate the dynamics of virus-host co-evolution. Intriguing questions remain about the timescale of the diversification events that influenced this evolution. In this paper we attempted to estimate the first ever timing of hantavirus diversification based on thirty five available complete genomes representing five major groups of hantaviruses and the assumption of co-speciation of hantaviruses with their respective mammal hosts. Phylogenetic analyses were used to estimate the main diversification points during hantavirus evolution in mammals while host diversification was mostly estimated from independent calibrators taken from fossil records. Our results support an earlier developed hypothesis of co-speciation of known hantaviruses with their respective mammal hosts and hence a common ancestor for all hantaviruses carried by placental mammals.
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Affiliation(s)
- Guillaume Castel
- INRA-UMR 1062 CBGP, 755 Avenue Campus Agropolis, CS30016, 34988 Montferrier sur Lez, France.
| | - Noël Tordo
- Unit Antiviral Strategies, Institut Pasteur, 25 Rue du Dr Roux, 75724 Paris Cedex 15, France; Institut Pasteur de Guinée, Gamal Abdel Nasser University, Conakry, Guinea.
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Geoghegan JL, Duchêne S, Holmes EC. Comparative analysis estimates the relative frequencies of co-divergence and cross-species transmission within viral families. PLoS Pathog 2017; 13:e1006215. [PMID: 28178344 PMCID: PMC5319820 DOI: 10.1371/journal.ppat.1006215] [Citation(s) in RCA: 167] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 02/21/2017] [Accepted: 02/02/2017] [Indexed: 01/20/2023] Open
Abstract
The cross-species transmission of viruses from one host species to another is responsible for the majority of emerging infections. However, it is unclear whether some virus families have a greater propensity to jump host species than others. If related viruses have an evolutionary history of co-divergence with their hosts there should be evidence of topological similarities between the virus and host phylogenetic trees, whereas host jumping generates incongruent tree topologies. By analyzing co-phylogenetic processes in 19 virus families and their eukaryotic hosts we provide a quantitative and comparative estimate of the relative frequency of virus-host co-divergence versus cross-species transmission among virus families. Notably, our analysis reveals that cross-species transmission is a near universal feature of the viruses analyzed here, with virus-host co-divergence occurring less frequently and always on a subset of viruses. Despite the overall high topological incongruence among virus and host phylogenies, the Hepadnaviridae, Polyomaviridae, Poxviridae, Papillomaviridae and Adenoviridae, all of which possess double-stranded DNA genomes, exhibited more frequent co-divergence than the other virus families studied here. At the other extreme, the virus and host trees for all the RNA viruses studied here, particularly the Rhabdoviridae and the Picornaviridae, displayed high levels of topological incongruence, indicative of frequent host switching. Overall, we show that cross-species transmission plays a major role in virus evolution, with all the virus families studied here having the potential to jump host species, and that increased sampling will likely reveal more instances of host jumping.
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Affiliation(s)
- Jemma L. Geoghegan
- Marie Bashir Institute for Infectious Diseases and Biosecurity, Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Sebastián Duchêne
- Marie Bashir Institute for Infectious Diseases and Biosecurity, Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- Centre for Systems Genomics, The University of Melbourne, Melbourne, Victoria, Australia
| | - Edward C. Holmes
- Marie Bashir Institute for Infectious Diseases and Biosecurity, Charles Perkins Centre, School of Life and Environmental Sciences and Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- * E-mail:
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Smith DB, Becher P, Bukh J, Gould EA, Meyers G, Monath T, Muerhoff AS, Pletnev A, Rico-Hesse R, Stapleton JT, Simmonds P. Proposed update to the taxonomy of the genera Hepacivirus and Pegivirus within the Flaviviridae family. J Gen Virol 2016; 97:2894-2907. [PMID: 27692039 PMCID: PMC5770844 DOI: 10.1099/jgv.0.000612] [Citation(s) in RCA: 117] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Proposals are described for the assignment of recently reported viruses, infecting rodents, bats and other mammalian species, to new species within the Hepacivirus and Pegivirus genera (family Flaviviridae). Assignments into 14 Hepacivirus species (Hepacivirus A–N) and 11 Pegivirus species (Pegivirus A–K) are based on phylogenetic relationships and sequence distances between conserved regions extracted from complete coding sequences for members of each proposed taxon. We propose that the species Hepatitis C virus is renamed Hepacivirus C in order to acknowledge its unique historical position and so as to minimize confusion. Despite the newly documented genetic diversity of hepaciviruses and pegiviruses, members of these genera remain phylogenetically distinct, and differ in hepatotropism and the possession of a basic core protein; pegiviruses in general lack these features. However, other characteristics that were originally used to support their division into separate genera are no longer definitive; there is overlap between the two genera in the type of internal ribosomal entry site and the presence of miR-122 sites in the 5′ UTR, the predicted number of N-linked glycosylation sites in the envelope E1 and E2 proteins, the presence of poly U tracts in the 3′ UTR and the propensity of viruses to establish a persistent infection. While all classified hepaciviruses and pegiviruses have mammalian hosts, the recent description of a hepaci-/pegi-like virus from a shark and the likely existence of further homologues in other non-mammalian species indicate that further species or genera remain to be defined in the future.
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Affiliation(s)
- Donald B Smith
- Centre for Immunity, Infection and Evolution, University of Edinburgh, Scotland, UK
| | - Paul Becher
- Institute of Virology, University of Veterinary Medicine, Hannover, Germany
| | - Jens Bukh
- Copenhagen Hepatitis C Program (CO-HEP), Department of Infectious Diseases and Clinical Research Centre, Copenhagen University Hospital, Hvidovre, Denmark.,Copenhagen Hepatitis C Program (CO-HEP), Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Ernest A Gould
- EHESP French School of Public Health, French Institute of Research for Development (IRD), Aix Marseille Université, EPV UMR_D 190 Emergence des Pathologies Virales, Marseille, France
| | - Gregor Meyers
- Institut für Immunologie, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
| | - Thomas Monath
- Hookipa Biotech AG, Vienna, Austria.,PaxVax Inc., Menlo Park and Redwood City, CA, USA
| | - A Scott Muerhoff
- Abbott Diagnostics Research and Development, Abbott Park, IL, USA
| | - Alexander Pletnev
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Rebecca Rico-Hesse
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, USA.,Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Jack T Stapleton
- Medical Service, Iowa City Veterans Affairs Medical Center, Iowa City, IA, USA.,Department of Internal Medicine, University of Iowa, Iowa City, IA, USA.,Department of Microbiology, University of Iowa, Iowa City, IA, USA
| | - Peter Simmonds
- Centre for Immunity, Infection and Evolution, University of Edinburgh, Scotland, UK.,Nuffield Department of Medicine, University of Oxford, Oxford, UK
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Assessing Host-Virus Codivergence for Close Relatives of Merkel Cell Polyomavirus Infecting African Great Apes. J Virol 2016; 90:8531-41. [PMID: 27440885 DOI: 10.1128/jvi.00247-16] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 07/12/2016] [Indexed: 11/20/2022] Open
Abstract
UNLABELLED It has long been hypothesized that polyomaviruses (PyV; family Polyomaviridae) codiverged with their animal hosts. In contrast, recent analyses suggested that codivergence may only marginally influence the evolution of PyV. We reassess this question by focusing on a single lineage of PyV infecting hominine hosts, the Merkel cell polyomavirus (MCPyV) lineage. By characterizing the genetic diversity of these viruses in seven African great ape taxa, we show that they exhibit very strong host specificity. Reconciliation analyses identify more codivergence than noncodivergence events. In addition, we find that a number of host and PyV divergence events are synchronous. Collectively, our results support codivergence as the dominant process at play during the evolution of the MCPyV lineage. More generally, our results add to the growing body of evidence suggesting an ancient and stable association of PyV and their animal hosts. IMPORTANCE The processes involved in viral evolution and the interaction of viruses with their hosts are of great scientific interest and public health relevance. It has long been thought that the genetic diversity of double-stranded DNA viruses was generated over long periods of time, similar to typical host evolutionary timescales. This was also hypothesized for polyomaviruses (family Polyomaviridae), a group comprising several human pathogens, but this remains a point of controversy. Here, we investigate this question by focusing on a single lineage of polyomaviruses that infect both humans and their closest relatives, the African great apes. We show that these viruses exhibit considerable host specificity and that their evolution largely mirrors that of their hosts, suggesting that codivergence with their hosts played a major role in their diversification. Our results provide statistical evidence in favor of an association of polyomaviruses and their hosts over millions of years.
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Divergent viral presentation among human tumors and adjacent normal tissues. Sci Rep 2016; 6:28294. [PMID: 27339696 PMCID: PMC4919655 DOI: 10.1038/srep28294] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Accepted: 05/26/2016] [Indexed: 12/13/2022] Open
Abstract
We applied a newly developed bioinformatics system called VirusScan to investigate the viral basis of 6,813 human tumors and 559 adjacent normal samples across 23 cancer types and identified 505 virus positive samples with distinctive, organ system- and cancer type-specific distributions. We found that herpes viruses (e.g., subtypes HHV4, HHV5, and HHV6) that are highly prevalent across cancers of the digestive tract showed significantly higher abundances in tumor versus adjacent normal samples, supporting their association with these cancers. We also found three HPV16-positive samples in brain lower grade glioma (LGG). Further, recurrent HBV integration at the KMT2B locus is present in three liver tumors, but absent in their matched adjacent normal samples, indicating that viral integration induced host driver genetic alterations are required on top of viral oncogene expression for initiation and progression of liver hepatocellular carcinoma. Notably, viral integrations were found in many genes, including novel recurrent HPV integrations at PTPN13 in cervical cancer. Finally, we observed a set of HHV4 and HBV variants strongly associated with ethnic groups, likely due to viral sequence evolution under environmental influences. These findings provide important new insights into viral roles of tumor initiation and progression and potential new therapeutic targets.
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40
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Buck CB, Van Doorslaer K, Peretti A, Geoghegan EM, Tisza MJ, An P, Katz JP, Pipas JM, McBride AA, Camus AC, McDermott AJ, Dill JA, Delwart E, Ng TFF, Farkas K, Austin C, Kraberger S, Davison W, Pastrana DV, Varsani A. The Ancient Evolutionary History of Polyomaviruses. PLoS Pathog 2016; 12:e1005574. [PMID: 27093155 PMCID: PMC4836724 DOI: 10.1371/journal.ppat.1005574] [Citation(s) in RCA: 138] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Accepted: 03/23/2016] [Indexed: 12/21/2022] Open
Abstract
Polyomaviruses are a family of DNA tumor viruses that are known to infect mammals and birds. To investigate the deeper evolutionary history of the family, we used a combination of viral metagenomics, bioinformatics, and structural modeling approaches to identify and characterize polyomavirus sequences associated with fish and arthropods. Analyses drawing upon the divergent new sequences indicate that polyomaviruses have been gradually co-evolving with their animal hosts for at least half a billion years. Phylogenetic analyses of individual polyomavirus genes suggest that some modern polyomavirus species arose after ancient recombination events involving distantly related polyomavirus lineages. The improved evolutionary model provides a useful platform for developing a more accurate taxonomic classification system for the viral family Polyomaviridae. Polyomaviruses are a family of DNA-based viruses that are known to infect various terrestrial vertebrates, including humans. In this report, we describe our discovery of highly divergent polyomaviruses associated with various marine fish. Searches of public deep sequencing databases unexpectedly revealed the existence of polyomavirus-like sequences in scorpion and spider datasets. Our analysis of these new sequences suggests that polyomaviruses have slowly co-evolved with individual host animal lineages through an established mechanism known as intrahost divergence. The proposed model is similar to the mechanisms through with other DNA viruses, such as papillomaviruses, are thought to have evolved. Our analysis also suggests that distantly related polyomaviruses sometimes recombine to produce new chimeric lineages. We propose a possible taxonomic scheme that can account for these inferred ancient recombination events.
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Affiliation(s)
- Christopher B. Buck
- Lab of Cellular Oncology, NCI, NIH, Bethesda, Maryland, United States of America
- * E-mail:
| | | | - Alberto Peretti
- Lab of Cellular Oncology, NCI, NIH, Bethesda, Maryland, United States of America
| | - Eileen M. Geoghegan
- Lab of Cellular Oncology, NCI, NIH, Bethesda, Maryland, United States of America
| | - Michael J. Tisza
- Lab of Cellular Oncology, NCI, NIH, Bethesda, Maryland, United States of America
| | - Ping An
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Joshua P. Katz
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - James M. Pipas
- Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America
| | - Alison A. McBride
- Lab of Viral Diseases, NIAID, NIH, Bethesda, Maryland, United States of America
| | - Alvin C. Camus
- Department of Pathology, University of Georgia, Athens, Georgia, United States of America
| | - Alexa J. McDermott
- Animal Health Department, Georgia Aquarium, Inc., Atlanta, Georgia, United States of America
| | - Jennifer A. Dill
- Department of Pathology, University of Georgia, Athens, Georgia, United States of America
| | - Eric Delwart
- Blood Systems Research Institute, San Francisco, California, United States of America
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, United States of America
| | - Terry F. F. Ng
- Blood Systems Research Institute, San Francisco, California, United States of America
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, United States of America
| | - Kata Farkas
- School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Charlotte Austin
- School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Simona Kraberger
- School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - William Davison
- School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Diana V. Pastrana
- Lab of Cellular Oncology, NCI, NIH, Bethesda, Maryland, United States of America
| | - Arvind Varsani
- School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
- Structural Biology Research Unit, Department of Clinical Laboratory Sciences, University of Cape Town, Cape Town, South Africa
- Department of Plant Pathology and Emerging Pathogens Institute, University of Florida, Gainesville, Florida, United States of America
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Nambulli S, Sharp CR, Acciardo AS, Drexler JF, Duprex WP. Mapping the evolutionary trajectories of morbilliviruses: what, where and whither. Curr Opin Virol 2016; 16:95-105. [PMID: 26921570 PMCID: PMC7102722 DOI: 10.1016/j.coviro.2016.01.019] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 01/27/2016] [Indexed: 12/15/2022]
Abstract
Morbilliviruses are important human and animal pathogens. Measles virus is the prototype and is the most infectious human pathogen on earth. Live attenuated vaccines have been used to control the infections. Rinderpest virus is the second virus to be eradicated from earth. New morbilliviruses have been identified in cats and vampire bats.
Morbilliviruses are pathogens of humans and other animals. Live attenuated morbillivirus vaccines have been used to end endemic transmission of measles virus (MV) in many parts of the developed world and to eradicate rinderpest virus. Entry is mediated by two different receptors which govern virus lymphotropism and epitheliotropism. Morbillivirus transmissibility is unparalleled and MV represents the most infectious human pathogen on earth. Their evolutionary origins remain obscure and their potential for adaption to new hosts is poorly understood. It has been suggested that MV could be eradicated. Therefore it is imperative to dissect barriers which restrict cross species infections. This is important as ecological studies identify novel morbilliviruses in a vast number of small mammals and carnivorous predators.
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Affiliation(s)
- Sham Nambulli
- Department of Microbiology, Boston University School of Medicine, Boston, MA, 02118, USA
| | - Claire R Sharp
- Department of Clinical Sciences, Cummings School of Veterinary Medicine, Tufts University, North Grafton, MA 01536, USA
| | - Andrew S Acciardo
- Department of Microbiology, Boston University School of Medicine, Boston, MA, 02118, USA
| | - J Felix Drexler
- Institute of Virology, University of Bonn Medical Centre, Bonn, 53127, Germany; German Centre for Infection Research, Bonn-Cologne, Germany
| | - W Paul Duprex
- Department of Microbiology, Boston University School of Medicine, Boston, MA, 02118, USA.
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42
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Domingo E. Long-Term Virus Evolution in Nature. VIRUS AS POPULATIONS 2016. [PMCID: PMC7149407 DOI: 10.1016/b978-0-12-800837-9.00007-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Viruses spread to give rise to epidemics and pandemics, and some key parameters that include virus and host population numbers determine virus persistence or extinction in nature. Viruses evolve at different rates of evolution depending on the polymerase copying fidelity during genome replication. Calculated rates of evolution in nature vary depending on the time interval between virus isolations. In particular, intra-host evolution is generally more rapid that inter-host evolution and several possible mechanisms for this difference are considered. The mechanisms by which the error-prone viruses evolve render very unlikely the operation of a molecular clock (constant rate of incorporation of mutations in the evolving genomes). Several computational methods are reviewed that permit the alignment of viral sequences and the establishment of phylogenetic relationships among viruses. The evolution of virus in the form of dynamic mutant clouds in each infected individual, together with multiple environmental influences, render the emergence and reemergence of viral pathogens an unpredictable event, another example of biological complexity.
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43
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Gibbs AJ, Wood J, Garcia-Arenal F, Ohshima K, Armstrong JS. Tobamoviruses have probably co-diverged with their eudicotyledonous hosts for at least 110 million years. Virus Evol 2015; 1:vev019. [PMID: 27774289 PMCID: PMC5014485 DOI: 10.1093/ve/vev019] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
A phylogeny has been calculated by maximum likelihood comparisons of the concatenated consensus protein sequences of 29 tobamoviruses shown to be non-recombinant. This phylogeny has statistically significant support throughout, including its basal branches. The viruses form eight lineages that are congruent with the taxonomy of the hosts from which each was first isolated and, with the exception of three of the twenty-nine species, all fall into three clusters that have either asterid or rosid or caryophyllid hosts (i.e. the major subdivisions of eudicotyledonous plants). A modified Mantel permutation test showed that the patristic distances of virus and host phylogenies are significantly correlated, especially when the three anomalously placed viruses are removed. When the internal branches of the virus phylogeny were collapsed the congruence decreased. The simplest explanation of this congruence of the virus and host phylogenies is that most tobamovirus lineages have co-diverged with their primary plant hosts for more than 110 million years, and only the brassica-infecting lineage originated from a major host switch from asterids to rosids. Their co-divergence seems to have been ‘fuzzy’ rather than ‘strict’, permitting viruses to switch hosts within major host clades. Our conclusions support those of a coalesence analysis of tobamovirus sequences, that used proxy node dating, but not a similar analysis of nucleotide sequences from dated samples, which concluded that the tobamoviruses originated only 100 thousand years ago.
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Affiliation(s)
- Adrian J Gibbs
- Emeritus Faculty, Australian National University, Canberra, ACT 2601, Australia
| | - Jeffrey Wood
- Statistical Consulting Unit, Australian National University, Canberra, ACT 2601, Australia
| | - Fernando Garcia-Arenal
- Centro de Biotecnología y Genómica de Plantas (UPM-INIA) and E.T.S.I. Agrónomos, Campus de Montegancedo, Universidad Politécnica de Madrid, Madrid, Spain and
| | - Kazusato Ohshima
- Laboratory of Plant Virology, Department of Applied Biological Sciences, Faculty of Agriculture, Saga University, 1-banchi, Honjo-machi, Saga 840-8502, Japan
| | - John S Armstrong
- Emeritus Faculty, Australian National University, Canberra, ACT 2601, Australia
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McAfee MS, Huynh TP, Johnson JL, Jacobs BL, Blattman JN. Interaction between unrelated viruses during in vivo co-infection to limit pathology and immunity. Virology 2015; 484:153-162. [PMID: 26099694 PMCID: PMC4567517 DOI: 10.1016/j.virol.2015.05.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 03/26/2015] [Accepted: 05/26/2015] [Indexed: 12/15/2022]
Abstract
Great progress has been made in understanding immunity to viral infection. However, infection can occur in the context of co-infection by unrelated pathogens that modulate immune responses and/or disease. We have studied immunity and disease during co-infection with two unrelated viruses: Ectromelia virus (ECTV) and Lymphocytic Choriomeningitis virus (LCMV). ECTV infection can be a lethal in mice due in part to the blockade of Type I Interferons (IFN-I). We show that ECTV/LCMV co-infection results in decreased ECTV viral load and amelioration of ECTV-induced disease, likely due to IFN-I induction by LCMV, as rescue is not observed in IFN-I receptor deficient mice. However, immune responses to LCMV in ECTV co-infected mice were also lower compared to mice infected with LCMV alone and potentially biased toward effector-memory cell generation. Thus, we provide evidence for bi-directional effects of viral co-infection that modulate disease and immunity.
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Affiliation(s)
- Megan S McAfee
- Molecular & Cellular Biology Graduate Program & Center for Infectious Diseases and Vaccinology, Arizona State University, Tempe, AZ, USA
| | - Trung P Huynh
- Molecular & Cellular Biology Graduate Program & Center for Infectious Diseases and Vaccinology, Arizona State University, Tempe, AZ, USA
| | - John L Johnson
- Molecular & Cellular Biology Graduate Program & Center for Infectious Diseases and Vaccinology, Arizona State University, Tempe, AZ, USA
| | - Bertram L Jacobs
- Molecular & Cellular Biology Graduate Program & Center for Infectious Diseases and Vaccinology, Arizona State University, Tempe, AZ, USA
| | - Joseph N Blattman
- Molecular & Cellular Biology Graduate Program & Center for Infectious Diseases and Vaccinology, Arizona State University, Tempe, AZ, USA.
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Murray GGR, Wang F, Harrison EM, Paterson GK, Mather AE, Harris SR, Holmes MA, Rambaut A, Welch JJ. The effect of genetic structure on molecular dating and tests for temporal signal. Methods Ecol Evol 2015; 7:80-89. [PMID: 27110344 PMCID: PMC4832290 DOI: 10.1111/2041-210x.12466] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/23/2015] [Indexed: 12/23/2022]
Abstract
‘Dated‐tip’ methods of molecular dating use DNA sequences sampled at different times, to estimate the age of their most recent common ancestor. Several tests of ‘temporal signal’ are available to determine whether data sets are suitable for such analysis. However, it remains unclear whether these tests are reliable. We investigate the performance of several tests of temporal signal, including some recently suggested modifications. We use simulated data (where the true evolutionary history is known), and whole genomes of methicillin‐resistant Staphylococcus aureus (to show how particular problems arise with real‐world data sets). We show that all of the standard tests of temporal signal are seriously misleading for data where temporal and genetic structures are confounded (i.e. where closely related sequences are more likely to have been sampled at similar times). This is not an artefact of genetic structure or tree shape per se, and can arise even when sequences have measurably evolved during the sampling period. More positively, we show that a ‘clustered permutation’ approach introduced by Duchêne et al. (Molecular Biology and Evolution, 32, 2015, 1895) can successfully correct for this artefact in all cases and introduce techniques for implementing this method with real data sets. The confounding of temporal and genetic structures may be difficult to avoid in practice, particularly for outbreaks of infectious disease, or when using ancient DNA. Therefore, we recommend the use of ‘clustered permutation’ for all analyses. The failure of the standard tests may explain why different methods of dating pathogen origins have reached such wildly different conclusions.
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Affiliation(s)
- Gemma G R Murray
- Department of Genetics University of Cambridge Downing Street Cambridge CB2 3EH UK
| | - Fang Wang
- Department of Genetics University of Cambridge Downing Street Cambridge CB2 3EH UK
| | - Ewan M Harrison
- Department of Veterinary Medicine University of Cambridge Madingley Road Cambridge CB3 0ES UK
| | - Gavin K Paterson
- Department of Veterinary Medicine University of Cambridge Madingley Road Cambridge CB3 0ESUK; School of Biological, Biomedical and Environmental Sciences University of Hull Cottingham Road Hull HU6 7RX UK
| | - Alison E Mather
- Department of Veterinary Medicine University of Cambridge Madingley Road Cambridge CB3 0ESUK; Wellcome Trust Sanger Institute Hinxton CB10 1SA UK
| | | | - Mark A Holmes
- Department of Veterinary Medicine University of Cambridge Madingley Road Cambridge CB3 0ES UK
| | - Andrew Rambaut
- Institute of Evolutionary Biology University of Edinburgh King's Buildings Edinburgh EH9 3FL UK
| | - John J Welch
- Department of Genetics University of Cambridge Downing Street Cambridge CB2 3EH UK
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46
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Origin of the HIV-1 group O epidemic in western lowland gorillas. Proc Natl Acad Sci U S A 2015; 112:E1343-52. [PMID: 25733890 DOI: 10.1073/pnas.1502022112] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
HIV-1, the cause of AIDS, is composed of four phylogenetic lineages, groups M, N, O, and P, each of which resulted from an independent cross-species transmission event of simian immunodeficiency viruses (SIVs) infecting African apes. Although groups M and N have been traced to geographically distinct chimpanzee communities in southern Cameroon, the reservoirs of groups O and P remain unknown. Here, we screened fecal samples from western lowland (n = 2,611), eastern lowland (n = 103), and mountain (n = 218) gorillas for gorilla SIV (SIVgor) antibodies and nucleic acids. Despite testing wild troops throughout southern Cameroon (n = 14), northern Gabon (n = 16), the Democratic Republic of Congo (n = 2), and Uganda (n = 1), SIVgor was identified at only four sites in southern Cameroon, with prevalences ranging from 0.8-22%. Amplification of partial and full-length SIVgor sequences revealed extensive genetic diversity, but all SIVgor strains were derived from a single lineage within the chimpanzee SIV (SIVcpz) radiation. Two fully sequenced gorilla viruses from southwestern Cameroon were very closely related to, and likely represent the source population of, HIV-1 group P. Most of the genome of a third SIVgor strain, from central Cameroon, was very closely related to HIV-1 group O, again pointing to gorillas as the immediate source. Functional analyses identified the cytidine deaminase APOBEC3G as a barrier for chimpanzee-to-gorilla, but not gorilla-to-human, virus transmission. These data indicate that HIV-1 group O, which spreads epidemically in west central Africa and is estimated to have infected around 100,000 people, originated by cross-species transmission from western lowland gorillas.
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Chivero ET, Stapleton JT. Tropism of human pegivirus (formerly known as GB virus C/hepatitis G virus) and host immunomodulation: insights into a highly successful viral infection. J Gen Virol 2015; 96:1521-32. [PMID: 25667328 DOI: 10.1099/vir.0.000086] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Human pegivirus (HPgV; originally called GB virus C/hepatitis G virus) is an RNA virus within the genus Pegivirus of the family Flaviviridae that commonly causes persistent infection. Worldwide, ~750 million people are actively infected (viraemic) and an estimated 0.75-1.5 billion people have evidence of prior HPgV infection. No causal association between HPgV and disease has been identified; however, several studies described a beneficial relationship between persistent HPgV infection and survival in individuals infected with human immunodeficiency virus. The beneficial effect appeared to be related to a reduction in host immune activation. HPgV replicates well in vivo (mean plasma viral loads typically >1×107 genome copies ml-1); however, the virus grows poorly in vitro and systems to study this virus are limited. Consequently, mechanisms of viral persistence and host immune modulation remain poorly characterized, and the primary permissive cell type(s) has not yet been identified. HPgV RNA is found in liver, spleen, bone marrow and PBMCs, including T- and B-lymphocytes, NK-cells, and monocytes, although the mechanism of cell-to-cell transmission is unclear. HPgV RNA is also present in serum microvesicles with properties of exosomes. These microvesicles are able to transmit viral RNA to PBMCs in vitro, resulting in productive infection. This review summarizes existing data on HPgV cellular tropism and the effect of HPgV on immune activation in various PBMCs, and discusses how this may influence viral persistence. We conclude that an increased understanding of HPgV replication and immune modulation may provide insights into persistent RNA viral infection of humans.
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Affiliation(s)
- Ernest T Chivero
- Medicine Service, Iowa City Veterans Affairs Medical Center, Interdisciplinary Program in Molecular and Cellular Biology, Departments of Internal Medicine and Microbiology, University of Iowa, Iowa City, IA 52242, USA
| | - Jack T Stapleton
- Medicine Service, Iowa City Veterans Affairs Medical Center, Interdisciplinary Program in Molecular and Cellular Biology, Departments of Internal Medicine and Microbiology, University of Iowa, Iowa City, IA 52242, USA
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Weinert LA, Depledge DP, Kundu S, Gershon AA, Nichols RA, Balloux F, Welch JJ, Breuer J. Rates of vaccine evolution show strong effects of latency: implications for varicella zoster virus epidemiology. Mol Biol Evol 2015; 32:1020-8. [PMID: 25568346 PMCID: PMC4379407 DOI: 10.1093/molbev/msu406] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Varicella-zoster virus (VZV) causes chickenpox and shingles, and is found in human populations worldwide. The lack of temporal signal in the diversity of VZV makes substitution rate estimates unreliable, which is a barrier to understanding the context of its global spread. Here, we estimate rates of evolution by studying live attenuated vaccines, which evolved in 22 vaccinated patients for known periods of time, sometimes, but not always undergoing latency. We show that the attenuated virus evolves rapidly (∼ 10(-6) substitutions/site/day), but that rates decrease dramatically when the virus undergoes latency. These data are best explained by a model in which viral populations evolve for around 13 days before becoming latent, but then undergo no replication during latency. This implies that rates of viral evolution will depend strongly on transmission patterns. Nevertheless, we show that implausibly long latency periods are required to date the most recent common ancestor of extant VZV to an "out-of-Africa" migration with humans, as has been previously suggested.
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Affiliation(s)
- Lucy A Weinert
- Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom Department of Genetics, Evolution and Environment, UCL, London, United Kingdom
| | - Daniel P Depledge
- Division of Infection and Immunity, MRC Centre for Medical Molecular Virology, UCL, London, United Kingdom
| | - Samit Kundu
- Division of Infection and Immunity, MRC Centre for Medical Molecular Virology, UCL, London, United Kingdom
| | - Anne A Gershon
- Division of Infectious Disease, Columbia University Medical Centre, New York, USA
| | - Richard A Nichols
- School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom
| | - Francois Balloux
- Department of Genetics, Evolution and Environment, UCL, London, United Kingdom
| | - John J Welch
- Department of Genetics, University of Cambridge, Cambridge, United Kingdom
| | - Judith Breuer
- Division of Infection and Immunity, MRC Centre for Medical Molecular Virology, UCL, London, United Kingdom
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Abstract
Emerging viral diseases are often the product of a host shift, where a pathogen jumps from its original host into a novel species. Phylogenetic studies show that host shifts are a frequent event in the evolution of most pathogens, but why pathogens successfully jump between some host species but not others is only just becoming clear. The susceptibility of potential new hosts can vary enormously, with close relatives of the natural host typically being the most susceptible. Often, pathogens must adapt to successfully infect a novel host, for example by evolving to use different cell surface receptors, to escape the immune response, or to ensure they are transmitted by the new host. In viruses there are often limited molecular solutions to achieve this, and the same sequence changes are often seen each time a virus infects a particular host. These changes may come at a cost to other aspects of the pathogen's fitness, and this may sometimes prevent host shifts from occurring. Here we examine how these evolutionary factors affect patterns of host shifts and disease emergence.
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Affiliation(s)
- Ben Longdon
- Department of Genetics, University of Cambridge, Cambridge, United Kingdom
- * E-mail:
| | | | - Colin A. Russell
- Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom
| | - John J. Welch
- Department of Genetics, University of Cambridge, Cambridge, United Kingdom
| | - Francis M. Jiggins
- Department of Genetics, University of Cambridge, Cambridge, United Kingdom
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Taylor DJ, Ballinger MJ, Zhan JJ, Hanzly LE, Bruenn JA. Evidence that ebolaviruses and cuevaviruses have been diverging from marburgviruses since the Miocene. PeerJ 2014; 2:e556. [PMID: 25237605 PMCID: PMC4157239 DOI: 10.7717/peerj.556] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 08/12/2014] [Indexed: 01/10/2023] Open
Abstract
An understanding of the timescale of evolution is critical for comparative virology but remains elusive for many RNA viruses. Age estimates based on mutation rates can severely underestimate divergences for ancient viral genes that are evolving under strong purifying selection. Paleoviral dating, however, can provide minimum age estimates for ancient divergence, but few orthologous paleoviruses are known within clades of extant viruses. For example, ebolaviruses and marburgviruses are well-studied mammalian pathogens, but their comparative biology is difficult to interpret because the existing estimates of divergence are controversial. Here we provide evidence that paleoviral elements of two genes (ebolavirus-like VP35 and NP) in cricetid rodent genomes originated after the divergence of ebolaviruses and cuevaviruses from marburgviruses. We provide evidence of orthology by identifying common paleoviral insertion sites among the rodent genomes. Our findings indicate that ebolaviruses and cuevaviruses have been diverging from marburgviruses since the early Miocene.
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Affiliation(s)
- Derek J. Taylor
- Department of Biological Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - Matthew J. Ballinger
- Department of Biological Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - Jack J. Zhan
- Department of Biological Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - Laura E. Hanzly
- Department of Biological Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
| | - Jeremy A. Bruenn
- Department of Biological Sciences, The State University of New York at Buffalo, Buffalo, NY, USA
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