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Fiallo-Olivé E, Navas-Castillo J. The Role of Extensive Recombination in the Evolution of Geminiviruses. Curr Top Microbiol Immunol 2023; 439:139-166. [PMID: 36592245 DOI: 10.1007/978-3-031-15640-3_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Mutation, recombination and pseudo-recombination are the major forces driving the evolution of viruses by the generation of variants upon which natural selection, genetic drift and gene flow can act to shape the genetic structure of viral populations. Recombination between related virus genomes co-infecting the same cell usually occurs via template swapping during the replication process and produces a chimeric genome. The family Geminiviridae shows the highest evolutionary success among plant virus families, and the common presence of recombination signatures in their genomes reveals a key role in their evolution. This review describes the general characteristics of members of the family Geminiviridae and associated DNA satellites, as well as the extensive occurrence of recombination at all taxonomic levels, from strain to family. The review also presents an overview of the recombination patterns observed in nature that provide some clues regarding the mechanisms involved in the generation and emergence of recombinant genomes. Moreover, the results of experimental evolution studies that support some of the conclusions obtained in descriptive or in silico works are summarized. Finally, the review uses a number of case studies to illustrate those recombination events with evolutionary and pathological implications as well as recombination events in which DNA satellites are involved.
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Affiliation(s)
- Elvira Fiallo-Olivé
- Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora" (IHSM-UMA-CSIC), Consejo Superior de Investigaciones Científicas, Avenida Dr. Wienberg s/n, 29750, Algarrobo-Costa, Málaga, Spain
| | - Jesús Navas-Castillo
- Instituto de Hortofruticultura Subtropical y Mediterránea "La Mayora" (IHSM-UMA-CSIC), Consejo Superior de Investigaciones Científicas, Avenida Dr. Wienberg s/n, 29750, Algarrobo-Costa, Málaga, Spain.
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Crespo-Bellido A, Hoyer JS, Dubey D, Jeannot RB, Duffy S. Interspecies Recombination Has Driven the Macroevolution of Cassava Mosaic Begomoviruses. J Virol 2021; 95:e0054121. [PMID: 34106000 PMCID: PMC8354330 DOI: 10.1128/jvi.00541-21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 06/01/2021] [Indexed: 11/20/2022] Open
Abstract
Begomoviruses (family Geminiviridae, genus Begomovirus) significantly hamper crop production and threaten food security around the world. The frequent emergence of new begomovirus genotypes is facilitated by high mutation frequencies and the propensity to recombine and reassort. Homologous recombination has been especially implicated in the emergence of novel cassava mosaic begomovirus (CMB) genotypes, which cause cassava mosaic disease (CMD). Cassava (Manihot esculenta) is a staple food crop throughout Africa and an important industrial crop in Asia, two continents where production is severely constrained by CMD. The CMD species complex is comprised of 11 bipartite begomovirus species with ample distribution throughout Africa and the Indian subcontinent. While recombination is regarded as a frequent occurrence for CMBs, a revised, systematic assessment of recombination and its impact on CMB phylogeny is currently lacking. We assembled data sets of all publicly available, full-length DNA-A (n = 880) and DNA-B (n = 369) nucleotide sequences from the 11 recognized CMB species. Phylogenetic networks and complementary recombination detection methods revealed extensive recombination among the CMB sequences. Six out of the 11 species descended from unique interspecies recombination events. Estimates of recombination and mutation rates revealed that all species experience mutation more frequently than recombination, but measures of population divergence indicate that recombination is largely responsible for the genetic differences between species. Our results support that recombination has significantly impacted the CMB phylogeny and has driven speciation in the CMD species complex. IMPORTANCE Cassava mosaic disease (CMD) is a significant threat to cassava production throughout Africa and Asia. CMD is caused by a complex comprised of 11 recognized virus species exhibiting accelerated rates of evolution, driven by high frequencies of mutation and genetic exchange. Here, we present a systematic analysis of the contribution of genetic exchange to cassava mosaic virus species-level diversity. Most of these species emerged as a result of genetic exchange. This is the first study to report the significant impact of genetic exchange on speciation in a group of viruses.
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Affiliation(s)
- Alvin Crespo-Bellido
- Department of Ecology, Evolution and Natural Resources, School of Environmental and Biological Sciences, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - J. Steen Hoyer
- Department of Ecology, Evolution and Natural Resources, School of Environmental and Biological Sciences, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Divya Dubey
- Department of Ecology, Evolution and Natural Resources, School of Environmental and Biological Sciences, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Ronica B. Jeannot
- Department of Ecology, Evolution and Natural Resources, School of Environmental and Biological Sciences, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
| | - Siobain Duffy
- Department of Ecology, Evolution and Natural Resources, School of Environmental and Biological Sciences, Rutgers State University of New Jersey, New Brunswick, New Jersey, USA
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Urbino C, Regragui ZF, Granier M, Peterschmitt M. Fitness advantage of inter-species TYLCV recombinants induced by beneficial intra-genomic interactions rather than by specific mutations. Virology 2020; 542:20-27. [PMID: 31957662 DOI: 10.1016/j.virol.2020.01.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 12/09/2019] [Accepted: 01/02/2020] [Indexed: 11/19/2022]
Abstract
Tomato yellow leaf curl virus (TYLCV) and its related viruses are prone to recombination. It was reported that random homologous recombination between 20% diverging TYLCV related species is rarely deleterious and may be associated with a fitness advantage. Indeed, TYLCV-IS76, a recombinant between the 20% divergent TYLCV and tomato yellow leaf curl Sardinia virus (TYLCSV), exhibited a higher fitness than that of parental viruses. As this typical fitness advantage was observed with TYLCV-IS76 representatives of different pedigrees, it was thought that it is induced by beneficial intra-genomic interactions rather than by specific mutations. This hypothesis was further supported with TYLCV-IS141, a TYLCV recombinant with a short TYLCSV inherited fragment of around 141 nts, slightly longer than that of TYLCV-IS76. Indeed, the typical fitness advantage was detected irrespective of the position of the recombination breakpoint (loci 76 or 141) and the sequences of the TYLCV and TYLCSV inherited fragments.
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Affiliation(s)
- Cica Urbino
- CIRAD, UMR BGPI, Montpellier, France; BGPI, CIRAD, INRA, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | - Zohra Fatima Regragui
- CIRAD, UMR BGPI, Montpellier, France; BGPI, CIRAD, INRA, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | - Martine Granier
- CIRAD, UMR BGPI, Montpellier, France; BGPI, CIRAD, INRA, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | - Michel Peterschmitt
- CIRAD, UMR BGPI, Montpellier, France; BGPI, CIRAD, INRA, Montpellier SupAgro, Univ Montpellier, Montpellier, France.
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Varsani A, Lefeuvre P, Roumagnac P, Martin D. Notes on recombination and reassortment in multipartite/segmented viruses. Curr Opin Virol 2018; 33:156-166. [PMID: 30237098 DOI: 10.1016/j.coviro.2018.08.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 08/07/2018] [Accepted: 08/28/2018] [Indexed: 11/29/2022]
Abstract
Besides evolving through nucleotide substitution, viruses frequently also evolve by genetic recombination which can occur when related viral variants co-infect the same cells. Viruses with segmented or multipartite genomes can additionally evolve via the reassortment of genomic components. Various computational techniques are now available for identifying and characterizing recombination and reassortment. While these techniques have revealed both that all well studied segmented and multipartite virus species show some capacity for reassortment, and that recombination is common in many multipartite species, they have indicated that recombination is either rare or does not occur in species with segmented genomes. Reassortment and recombination can make it very difficult to study segmented/multipartite viruses using metagenomics-based approaches. Notable challenges include, both the accurate identification and assignment of genomic components to individual genomes, and the differentiation between natural 'real' recombination events and artifactual 'fake' recombination events arising from the inaccurate de novo assembly of genome component sequences determined using short read sequencing.
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Affiliation(s)
- Arvind Varsani
- The Biodesign Center for Fundamental and Applied Microbiomics, Center for Evolution and Medicine and School of Life Sciences, Arizona State University, Tempe, AZ 85287-5001, USA; Structural Biology Research Unit, Department of Clinical Laboratory Sciences, University of Cape Town, Observatory, 7925, Cape Town, South Africa.
| | | | - Philippe Roumagnac
- CIRAD, BGPI, Montpellier, France; BGPI, INRA, CIRAD, SupAgro, Univ. Montpellier, Montpellier, France
| | - Darren Martin
- Computational Biology Division, Department of Integrative Biomedical Sciences, Institute of Infectious Diseases and Molecular Medicine. University of Cape Town, Observatory, 7925, South Africa
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Le Guillou-Guillemette H, Pivert A, Bouthry E, Henquell C, Petsaris O, Ducancelle A, Veillon P, Vallet S, Alain S, Thibault V, Abravanel F, Rosenberg AA, André-Garnier E, Bour JB, Baazia Y, Trimoulet P, André P, Gaudy-Graffin C, Bettinger D, Larrat S, Signori-Schmuck A, Saoudin H, Pozzetto B, Lagathu G, Minjolle-Cha S, Stoll-Keller F, Pawlotsky JM, Izopet J, Payan C, Lunel-Fabiani F, Lemaire C. Natural non-homologous recombination led to the emergence of a duplicated V3-NS5A region in HCV-1b strains associated with hepatocellular carcinoma. PLoS One 2017; 12:e0174651. [PMID: 28394908 PMCID: PMC5386276 DOI: 10.1371/journal.pone.0174651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 03/13/2017] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND The emergence of new strains in RNA viruses is mainly due to mutations or intra and inter-genotype homologous recombination. Non-homologous recombinations may be deleterious and are rarely detected. In previous studies, we identified HCV-1b strains bearing two tandemly repeated V3 regions in the NS5A gene without ORF disruption. This polymorphism may be associated with an unfavorable course of liver disease and possibly involved in liver carcinogenesis. Here we aimed at characterizing the origin of these mutant strains and identifying the evolutionary mechanism on which the V3 duplication relies. METHODS Direct sequencing of the entire NS5A and E1 genes was performed on 27 mutant strains. Quasispecies analyses in consecutive samples were also performed by cloning and sequencing the NS5A gene for all mutant and wild strains. We analyzed the mutant and wild-type sequence polymorphisms using Bayesian methods to infer the evolutionary history of and the molecular mechanism leading to the duplication-like event. RESULTS Quasispecies were entirely composed of exclusively mutant or wild-type strains respectively. Mutant quasispecies were found to have been present since contamination and had persisted for at least 10 years. This V3 duplication-like event appears to have resulted from non-homologous recombination between HCV-1b wild-type strains around 100 years ago. The association between increased liver disease severity and these HCV-1b mutants may explain their persistence in chronically infected patients. CONCLUSIONS These results emphasize the possible consequences of non-homologous recombination in the emergence and severity of new viral diseases.
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Affiliation(s)
- Hélène Le Guillou-Guillemette
- Laboratoire de Virologie, CHU Angers, France
- HIFIH Laboratory, UPRES 3859, SFR 4208, LUNAM University, Angers, France
| | - Adeline Pivert
- Laboratoire de Virologie, CHU Angers, France
- HIFIH Laboratory, UPRES 3859, SFR 4208, LUNAM University, Angers, France
| | - Elise Bouthry
- Laboratoire de Virologie, CHU Angers, France
- HIFIH Laboratory, UPRES 3859, SFR 4208, LUNAM University, Angers, France
| | | | - Odile Petsaris
- Département de Bactériologie-Virologie-Hygiène Hospitalière et Parasitologie-Mycologie, CHRU, LUBEM, Brest, France
| | - Alexandra Ducancelle
- Laboratoire de Virologie, CHU Angers, France
- HIFIH Laboratory, UPRES 3859, SFR 4208, LUNAM University, Angers, France
| | - Pascal Veillon
- Laboratoire de Virologie, CHU Angers, France
- HIFIH Laboratory, UPRES 3859, SFR 4208, LUNAM University, Angers, France
| | - Sophie Vallet
- Département de Bactériologie-Virologie-Hygiène Hospitalière et Parasitologie-Mycologie, CHRU, LUBEM, Brest, France
| | | | | | - Florence Abravanel
- Laboratoire de Virologie, CNR VHE, Inserm U1043, CHU Purpan, Toulouse, France
| | - Arielle A. Rosenberg
- AP-HP, GHU Cochin, Laboratoire de Virologie, Université Paris Descartes, Paris, France
| | | | | | - Yazid Baazia
- Laboratoire de Virologie, CHU Avicenne, Bobigny, France
| | - Pascale Trimoulet
- Laboratoire de Virologie, Hôpital Pellegrin Tripode, CHU Bordeaux, France
| | - Patrice André
- Laboratoire de Virologie, Centre de Biologie Nord, Hôpital de la Croix Rousse, Lyon, France
| | | | | | - Sylvie Larrat
- Laboratoire de Virologie, UMI 3265 UJF-EMBL-CNRS, CHU, Unit of Virus Host Cell Interactions, Grenoble, France
| | - Anne Signori-Schmuck
- Laboratoire de Virologie, UMI 3265 UJF-EMBL-CNRS, CHU, Unit of Virus Host Cell Interactions, Grenoble, France
| | - Hénia Saoudin
- Laboratoire de Bactériologie-Virologie, CHU Saint-Etienne, France
| | - Bruno Pozzetto
- Laboratoire de Bactériologie-Virologie, CHU Saint-Etienne, France
| | | | | | | | | | - Jacques Izopet
- Laboratoire de Virologie, CNR VHE, Inserm U1043, CHU Purpan, Toulouse, France
| | - Christopher Payan
- Département de Bactériologie-Virologie-Hygiène Hospitalière et Parasitologie-Mycologie, CHRU, LUBEM, Brest, France
| | - Françoise Lunel-Fabiani
- Laboratoire de Virologie, CHU Angers, France
- HIFIH Laboratory, UPRES 3859, SFR 4208, LUNAM University, Angers, France
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Belabess Z, Peterschmitt M, Granier M, Tahiri A, Blenzar A, Urbino C. The non-canonical tomato yellow leaf curl virus recombinant that displaced its parental viruses in southern Morocco exhibits a high selective advantage in experimental conditions. J Gen Virol 2016; 97:3433-3445. [DOI: 10.1099/jgv.0.000633] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Zineb Belabess
- CIRAD-INRA-SupAgro, UMR BGPI, CIRAD, TA A -54K, Campus International de Baillarguet, F-34398 Montpellier, France
- Ecole Nationale d'Agriculture de Meknès, BPS 40, Meknès, Morocco
- Faculté des Sciences de Meknès BP 11201, Avenue Zitoune, Meknès, Morocco
| | - Michel Peterschmitt
- CIRAD-INRA-SupAgro, UMR BGPI, CIRAD, TA A -54K, Campus International de Baillarguet, F-34398 Montpellier, France
| | - Martine Granier
- CIRAD-INRA-SupAgro, UMR BGPI, CIRAD, TA A -54K, Campus International de Baillarguet, F-34398 Montpellier, France
| | | | - Abdelali Blenzar
- Faculté des Sciences de Meknès BP 11201, Avenue Zitoune, Meknès, Morocco
| | - Cica Urbino
- CIRAD-INRA-SupAgro, UMR BGPI, CIRAD, TA A -54K, Campus International de Baillarguet, F-34398 Montpellier, France
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Sackman AM, Reed D, Rokyta DR. Intergenic incompatibilities reduce fitness in hybrids of extremely closely related bacteriophages. PeerJ 2015; 3:e1320. [PMID: 26528406 PMCID: PMC4627924 DOI: 10.7717/peerj.1320] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Accepted: 09/23/2015] [Indexed: 01/22/2023] Open
Abstract
Horizontal gene transfer and recombination occur across many groups of viruses and play key roles in important viral processes such as host-range expansion and immune-system avoidance. To have any predictive power regarding the ability of viruses to readily recombine, we must determine the extent to which epistasis restricts the success of recombinants, particularly as it relates to the genetic divergence between parental strains. In any hybridization event, the evolutionary success or failure of hybrids is largely determined by the pervasiveness of epistasis in the parental genomes. Recombination has previously been shown to incur steep fitness costs in highly divergent viruses as a result of disrupted epistatic interactions. We used a pair of bacteriophages of the family Microviridae to demonstrate that epistasis may evidence itself in the form of fitness costs even in the case of the exchange of alleles at a locus with amino acid divergence as low as 1%. We explored a possible biophysical source of epistasis in the interaction of viral coat and scaffolding proteins and examined a recovery mutation that likely repairs interactions disrupted by recombination.
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Affiliation(s)
- Andrew M Sackman
- Department of Biological Science, Florida State University , Tallahassee, FL , United States of America
| | - Danielle Reed
- Department of Biological Science, Florida State University , Tallahassee, FL , United States of America
| | - Darin R Rokyta
- Department of Biological Science, Florida State University , Tallahassee, FL , United States of America
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Doumayrou J, Thébaud G, Vuillaume F, Peterschmitt M, Urbino C. Mapping genetic determinants of viral traits with FST and quantitative trait locus (QTL) approaches. Virology 2015; 484:346-353. [PMID: 26186573 PMCID: PMC7111638 DOI: 10.1016/j.virol.2015.06.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 04/16/2015] [Accepted: 06/16/2015] [Indexed: 11/28/2022]
Abstract
The genetic determinism of viral traits can generally be dissected using either forward or reverse genetics because the clonal reproduction of viruses does not require the use of approaches based on laboratory crosses. Nevertheless, we hypothesized that recombinant viruses could be analyzed as sexually reproducing organisms, using either a quantitative trait loci (QTL) approach or a locus-by-locus fixation index (FST). Locus-by-locus FST analysis, and four different regressions and interval mapping algorithms of QTL analysis were applied to a phenotypic and genotypic dataset previously obtained from 47 artificial recombinant genomes generated between two begomovirus species. Both approaches assigned the determinant of within-host accumulation—previously identified using standard virology approaches—to a region including the 5׳ end of the replication-associated protein (Rep) gene and the upstream intergenic region. This study provides a proof of principle that QTL and population genetics tools can be extended to characterize the genetic determinants of viral traits. FST and QTL approaches were used to map the genetic determinants of viral traits. Genetic determinants were detected using 47 begomovirus recombinant genomes. Genetic determinants of begomovirus infectivity and accumulation were identified. Proof of principles that FST and QTL can be used in virology.
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Affiliation(s)
- Juliette Doumayrou
- CIRAD, UMR BGPI, F-34398 Montpellier, France; Department of Plant Pathology, 351 Bessey Hall, Iowa State University, Ames, IA 50011, USA.
| | - Gaël Thébaud
- INRA, UMR 385 BGPI, F-34398 Montpellier, France.
| | | | | | - Cica Urbino
- CIRAD, UMR BGPI, F-34398 Montpellier, France.
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Lefeuvre P, Moriones E. Recombination as a motor of host switches and virus emergence: geminiviruses as case studies. Curr Opin Virol 2015; 10:14-9. [DOI: 10.1016/j.coviro.2014.12.005] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 11/26/2014] [Accepted: 12/03/2014] [Indexed: 10/24/2022]
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Wu B, Shang X, Schubert J, Habekuß A, Elena SF, Wang X. Global-scale computational analysis of genomic sequences reveals the recombination pattern and coevolution dynamics of cereal-infecting geminiviruses. Sci Rep 2015; 5:8153. [PMID: 25633348 PMCID: PMC4311259 DOI: 10.1038/srep08153] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 12/24/2014] [Indexed: 11/20/2022] Open
Abstract
Genetic diversity and recombination patterns were evaluated for 229 isolates of Wheat dwarf virus (WDV), which are important cereal-infecting geminiviruses. Recombination hot spots were concentrated at the boundary of the genes encoding for the replication protein (Rep), the coat protein (cp) and the movement protein (mp), as well as inside Rep and cp and in the short intergenic regions (SIR). Phylogenomic analyses confirmed that the global population of WDV clustered into two groups according to their specific host: wheat and barley, and the crucial regions for the division of two groups were mp and the large intergenic regions (LIR). The computationally inferred pattern of coevolution between amino acid residues and the predicted 3D structure for the viral proteins provided further differences among the strains or species at the genome and protein level. Pervasive interaction between Rep and Rep A proteins in WDV-wheat-specific group reflected their important and complex function in the replication and transcription of WDV. Furthermore, significant predicted interactions between CP and Rep and CP and Rep A proteins in the WDV-wheat-specific group are thought to be crucial for successful encapsidation and movement of the virus during infection.
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Affiliation(s)
- Beilei Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaonan Shang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jörg Schubert
- Institute for Biosafety in Plant Biotechnology, Federal Research Institute for Cultivated Plants, Julius Kuehn Institute, Erwin-Baur-Straβe 27, 06484, Quedlinburg, Germany
| | - Antje Habekuß
- Institute for Resistance Research and Stress Tolerance, Federal Research Institute for Cultivated Plants, Julius Kuehn Institute, Erwin-Baur-Straβe 27, 06484, Quedlinburg, Germany
| | - Santiago F. Elena
- Instituto de Biología Molecular y Celular de Plantas (CSIC-UPV), Campus UPV CPI 8E, Ingeniero Fausto Elio s/n, 46022 València, Spain
- The Santa Fe Institute, 1399 Hyde Park Road, Santa Fe NM87501, USA
| | - Xifeng Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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Feau N, Dutech C, Brusini J, Rigling D, Robin C. Multiple introductions and recombination in Cryphonectria hypovirus 1: perspective for a sustainable biological control of chestnut blight. Evol Appl 2014; 7:580-96. [PMID: 24944571 PMCID: PMC4055179 DOI: 10.1111/eva.12157] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 03/03/2014] [Accepted: 03/06/2014] [Indexed: 11/26/2022] Open
Abstract
Cryphonectria hypovirus 1 (CHV1) is a mycovirus which decreases the virulence of its fungal host Cryphonectria parasitica, the causal agent of chestnut blight recently introduced in Europe. The understanding of the evolutionary processes which have shaped CHV1 populations in Europe is required to develop a sustainable biocontrol strategy targeting chestnut blight and effective in European chestnut forests. To retrace the evolutionary history of CHV1, we analyzed sequences from two genomic regions on a collection of 55 CHV1 strains from France and northern Spain, two countries where multiple introductions of C. parasitica occurred. Several recombination events and variable selection pressures contributed to CHV1 evolution, agreeing with a non-clock-like diversification rate. These two mechanisms may be at the origin of CHV1 population diversity observed in western Europe. Considering the actual prevalence of CHV1 and its association with host genotypes, multiple introductions of CHV1 may have occurred in Europe, some of them directly from Asia and some of them through North America. Although some viral strains remained with low frequency in their introduction area, multiple infections might have allowed homologous recombination within parental sequences. Some of these recombinant lineages are associated with the spread of CHV1 in European regions.
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Affiliation(s)
- Nicolas Feau
- INRA, UMR1202 BIOGECO F-33610, Cestas, France ; University Bordeaux, BIOGECO, UMR 1202 F-33400, Talence, France ; TAIGA-Lab, Forest Sciences Centre, University of British Columbia #3618-2424 Main Mall, Vancouver, BC, V6T 1Z4, Canada
| | - Cyril Dutech
- INRA, UMR1202 BIOGECO F-33610, Cestas, France ; University Bordeaux, BIOGECO, UMR 1202 F-33400, Talence, France
| | - Jérémie Brusini
- INRA, UMR1202 BIOGECO F-33610, Cestas, France ; University Bordeaux, BIOGECO, UMR 1202 F-33400, Talence, France ; Department of Ecology and Evolutionary Biology, Earth and Marine Sciences Building, University of California Santa Cruz, CA, 95064, USA
| | - Daniel Rigling
- WSL Swiss Federal Research Institute CH-8903, Birmensdorf, Switzerland
| | - Cécile Robin
- INRA, UMR1202 BIOGECO F-33610, Cestas, France ; University Bordeaux, BIOGECO, UMR 1202 F-33400, Talence, France
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12
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Silva FN, Lima ATM, Rocha CS, Castillo-Urquiza GP, Alves-Júnior M, Zerbini FM. Recombination and pseudorecombination driving the evolution of the begomoviruses Tomato severe rugose virus (ToSRV) and Tomato rugose mosaic virus (ToRMV): two recombinant DNA-A components sharing the same DNA-B. Virol J 2014; 11:66. [PMID: 24708727 PMCID: PMC4113279 DOI: 10.1186/1743-422x-11-66] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Accepted: 03/27/2014] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Begomoviruses are dicot-infecting, whitefly-transmitted viruses with a genome comprised of one or two molecules of circular, single-stranded DNA. In Brazil, tomato-infecting begomoviruses have emerged as serious pathogens since the introduction of a new biotype of the insect vector in the mid-1990's. Tomato rugose mosaic virus (ToRMV) and Tomato severe rugose virus (ToSRV) are often found in tomato fields. The complete sequence of the DNA-B components of ToSRV and ToRMV show an identity of 98.2%. Additionally, the high nucleotide identity (96.2%) between their common regions indicates that these two viruses may share the same DNA-B. METHODS Tomato seedlings were biolistically inoculated with ToSRV (DNA-A and DNA-B) and ToRMV (DNA-A and DNA-B) infectious clones in every possible combination of single or mixed infection. Symptom expression was evaluated for up to 35 days post-inoculation (dpi). DNA was extracted at 28 dpi and the presence of each viral genomic component was examined by rolling circle amplification (RCA) followed by digestion, as well as by quantitative, real-time PCR. Sequence comparisons, recombination and phylogenetic analyzes were performed using EMBOSS needle, RDP program and maximum likelihood inference, respectively. RESULTS Symptoms in tomato plants inoculated with the different combinations of ToRMV and ToSRV DNA-A and DNA-B components consisted of a typical mosaic in all combinations. Pseudorecombinants were formed in all possible combinations. When two DNA-A or two DNA-B components were inoculated simultaneously, the ToRMV components were detected preferentially in relation to the ToSRV components. The combination of minor changes in both the Rep protein and the CR may be involved in the preferential replication of ToRMV components. Recombination and phylogenetic analyzes support the exchange of genetic material between ToRMV and ToSRV. CONCLUSIONS ToRMV and ToSRV form viable pseudorecombinants in their natural host (Solanum lycopersicum) and share the same DNA-B. ToRMV DNA components are preferentially replicated over ToSRV components. These results indicate that the emergence of ToRMV involved both recombination and pseudorecombination, further highlighting the importance of these mechanisms in the emergence and adaptation of begomoviruses.
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Affiliation(s)
- Fábio N Silva
- Departamento de Fitopatologia/BIOAGRO, Universidade Federal de Viçosa, Viçosa, MG 36570-900, Brazil
| | - Alison TM Lima
- Departamento de Fitopatologia/BIOAGRO, Universidade Federal de Viçosa, Viçosa, MG 36570-900, Brazil
| | - Carolina S Rocha
- Current address: FuturaGene Brasil, Avenida José Lembo 1010, Itapeteninga, SP 18210-780, Brazil
| | | | - Miguel Alves-Júnior
- Current address: Faculdade de Ciências Agrárias, Universidade Federal do Pará, Altamira, PA 68372-040, Brazil
| | - F Murilo Zerbini
- Departamento de Fitopatologia/BIOAGRO, Universidade Federal de Viçosa, Viçosa, MG 36570-900, Brazil
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Urbino C, Gutiérrez S, Antolik A, Bouazza N, Doumayrou J, Granier M, Martin DP, Peterschmitt M. Within-host dynamics of the emergence of Tomato yellow leaf curl virus recombinants. PLoS One 2013; 8:e58375. [PMID: 23472190 PMCID: PMC3589402 DOI: 10.1371/journal.pone.0058375] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Accepted: 02/04/2013] [Indexed: 11/18/2022] Open
Abstract
Tomato yellow leaf curl virus (TYLCV) is a highly damaging begomovirus native to the Middle East. TYLCV has recently spread worldwide, recombining with other begomoviruses. Recent analysis of mixed infections between TYLCV and Tomato leaf curl Comoros begomovirus (ToLCKMV) has shown that, although natural selection preserves certain co-evolved intra-genomic interactions, numerous and diverse recombinants are produced at 120 days post-inoculation (dpi), and recombinant populations from different tomato plants are very divergent. Here, we investigate the population dynamics that lead to such patterns in tomato plants co-infected with TYLCV and ToLCKMV either by agro-inoculation or using the natural whitefly vector Bemisia tabaci. We monitored the frequency of parental and recombinant genotypes independently in 35 plants between 18 and 330 dpi and identified 177 recombinants isolated at different times. Recombinants were detected from 18 dpi and their frequency increased over time to reach about 50% at 150 dpi regardless of the inoculation method. The distribution of breakpoints detected on 96 fully sequenced recombinants was consistent with a continuous generation of new recombinants as well as random and deterministic effects in their maintenance. A severe population bottleneck of around 10 genomes was estimated during early systemic infection–a phenomenon that could account partially for the heterogeneity in recombinant patterns observed among plants. The detection of the same recombinant genome in six of the thirteen plants analysed beyond 30 dpi supported the influence of selection on observed recombination patterns. Moreover, a highly virulent recombinant genotype dominating virus populations within one plant has, apparently, the potential to be maintained in the natural population according to its infectivity, within-host accumulation, and transmission efficiency - all of which were similar or intermediate to those of the parent genotypes. Our results anticipate the outcomes of natural encounters between TYLCV and ToLCKMV.
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Martin DP, Biagini P, Lefeuvre P, Golden M, Roumagnac P, Varsani A. Recombination in eukaryotic single stranded DNA viruses. Viruses 2011; 3:1699-738. [PMID: 21994803 PMCID: PMC3187698 DOI: 10.3390/v3091699] [Citation(s) in RCA: 152] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2011] [Revised: 08/18/2011] [Accepted: 09/05/2011] [Indexed: 12/23/2022] Open
Abstract
Although single stranded (ss) DNA viruses that infect humans and their domesticated animals do not generally cause major diseases, the arthropod borne ssDNA viruses of plants do, and as a result seriously constrain food production in most temperate regions of the world. Besides the well known plant and animal-infecting ssDNA viruses, it has recently become apparent through metagenomic surveys of ssDNA molecules that there also exist large numbers of other diverse ssDNA viruses within almost all terrestrial and aquatic environments. The host ranges of these viruses probably span the tree of life and they are likely to be important components of global ecosystems. Various lines of evidence suggest that a pivotal evolutionary process during the generation of this global ssDNA virus diversity has probably been genetic recombination. High rates of homologous recombination, non-homologous recombination and genome component reassortment are known to occur within and between various different ssDNA virus species and we look here at the various roles that these different types of recombination may play, both in the day-to-day biology, and in the longer term evolution, of these viruses. We specifically focus on the ecological, biochemical and selective factors underlying patterns of genetic exchange detectable amongst the ssDNA viruses and discuss how these should all be considered when assessing the adaptive value of recombination during ssDNA virus evolution.
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Affiliation(s)
- Darren P. Martin
- Computational Biology Group, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town 4579, South Africa; E-Mail:
| | - Philippe Biagini
- UMR CNRS 6578 Anthropologie Bioculturelle, Equipe “Emergence et co-évolution virale”, Etablissement Français du Sang Alpes-Méditerranée, Université de la Méditerranée, 27 Bd. Jean Moulin, 13005 Marseille, France; E-Mail:
| | - Pierre Lefeuvre
- CIRAD, UMR 53 PVBMT CIRAD-Université de la Réunion, Pôle de Protection des Plantes, Ligne Paradis, 97410, Saint Pierre, La Réunion, France; E-Mail:
| | - Michael Golden
- Computational Biology Group, Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town 4579, South Africa; E-Mail:
| | - Philippe Roumagnac
- CIRAD, UMR BGPI, TA A-54/K, Campus International de Montferrier-Baillarguet, 34398 Montpellier, France; E-Mail:
| | - Arvind Varsani
- Electron Microscope Unit, University of Cape Town, Rondebosch, Cape Town 7701, South Africa; E-Mail:
- Biomolecular Interaction Centre, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
- School of Biological Sciences, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand
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