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Fan J, Yang S, Wennmann JT, Wang D, Jehle JA. The distribution and characteristic of two transposable elements in the genome of Cydia pomonella granulovirus and codling moth. Mol Phylogenet Evol 2023; 182:107745. [PMID: 36842732 DOI: 10.1016/j.ympev.2023.107745] [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: 02/23/2022] [Revised: 01/20/2023] [Accepted: 02/21/2023] [Indexed: 02/26/2023]
Abstract
Baculoviruses are capable to acquire insect host transposable elements (TEs) in their genomes and are hypothesized as possible vectors of insect transposons between Lepidopteran species. Here, we investigated the host origin of two TEs, namely the Tc1/mariner-like element TCp3.2 and a 0.7 kbp insertion sequence (IS07), found in the genome of different isolates of Cydia pomonella granulovirus (CpGV), a member of the Betabaculovirus genus. The sequences of both TEs were searched for in the full genome sequence database of codling moth (CM, Cydia pomonella L.). A total of eleven TCp3.2 TE copies and 76 copies of the IS07 fragments were identified in the CM genome. These TEs were distributed over the 22 autosomes and the Z chromosome (chr1) of CM, except chr6, chr12, chr16, chr23, chr27 and the W chromosome (chr29). TCp3.2 copies with two transposase genes in opposite direction, representing a novel feature, were identified on chr10 and chr18. The TCp3.2 transposase was characterized by DD41D motif of classic Tc1/mariner transposons, consisting of DNA-binding domain, catalytic domain and nuclear localization signal (NLS). Transcription analyses of uninfected and CpGV-infected CM larvae suggested a doubling of the TCp3.2 transposase transcription rate in virus infected larvae. Furthermore, IS07 insertion into the CpGV genome apparently added new transcription initiation sites to the viral genome. The global analysis of the distribution of two TEs in the genome of CM addressed the influx of mobile TEs from CM to CpGV, a genetic process that contributes to the population diversity of baculoviruses.
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Affiliation(s)
- Jiangbin Fan
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling 712100, China; Institute for Biological Control, Julius Kühn-Institut, Heinrichstraße. 243, 64287 Darmstadt, Germany
| | - Shili Yang
- Institute for Biological Control, Julius Kühn-Institut, Heinrichstraße. 243, 64287 Darmstadt, Germany
| | - Jörg T Wennmann
- Institute for Biological Control, Julius Kühn-Institut, Heinrichstraße. 243, 64287 Darmstadt, Germany
| | - Dun Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling 712100, China
| | - Johannes A Jehle
- Institute for Biological Control, Julius Kühn-Institut, Heinrichstraße. 243, 64287 Darmstadt, Germany.
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Shen D, Gao B, Miskey C, Chen C, Sang Y, Zong W, Wang S, Wang Y, Wang X, Ivics Z, Song C. Multiple Invasions of Visitor, a DD41D Family of Tc1/mariner Transposons, throughout the Evolution of Vertebrates. Genome Biol Evol 2021; 12:1060-1073. [PMID: 32602886 DOI: 10.1093/gbe/evaa135] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/23/2020] [Indexed: 12/13/2022] Open
Abstract
Although the DD41D (named as Visitor, VS) family of Tc1/mariner transposons was discovered in Arthropods and Mollusca, the evolution profile of this family is still largely unknown. We found that VS is widespread in the animal kingdom, including 140 species of 18 orders in invertebrates and 30 species of 12 orders in vertebrates, and one land plant species. Our data revealed multiple horizontal transfer events in both invertebrates and vertebrates and invasion into multiple lineages of mammals, including Chiroptera (seven species), Dasyuromorphia/Marsupialia (one species), Didelphimorphia/Marsupialia (one species), Diprotodontia/Marsupialia (two species), and Primates (one species). Phylogenetic analysis revealed a close relationship of VSs to DD37D/maT and DD34D/mariner and confirmed that VSs with the DD40D signature identified previously are not a distinct family but originated from DD41D/VS. Age analysis revealed that the most recent invasion of VSs was found in ray-finned fishes and a toad, followed by relatively young invasions in bats and marsupials, whereas VSs in mammals, jawless fishes, and lizards were mainly represented by ancient copies, suggesting old age. Phylogenetic analyses and comparison of pairwise distances between VSs and recombination-activating gene 1 (RAG1) support horizontal transfer events of VSs in vertebrates. The intact VSs from bats were nonfunctional as determined by the transposition activity assay. Some vertebrate lineages and species were identified as the hot hosts of Tc1/mariner transposons. Overall, our study presents the evolution profile of VSs and suggests that VSs play roles in diversifying and shaping the genomes of diverse animal lineages.
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Affiliation(s)
- Dan Shen
- College of Animal Science & Technology, Yangzhou University, China.,Division of Medical Biotechnology, Paul Ehrlich Institute, Langen, Germany
| | - Bo Gao
- College of Animal Science & Technology, Yangzhou University, China
| | - Csaba Miskey
- Division of Medical Biotechnology, Paul Ehrlich Institute, Langen, Germany
| | - Cai Chen
- College of Animal Science & Technology, Yangzhou University, China
| | - Yatong Sang
- College of Animal Science & Technology, Yangzhou University, China
| | - Wencheng Zong
- College of Animal Science & Technology, Yangzhou University, China
| | - Saisai Wang
- College of Animal Science & Technology, Yangzhou University, China
| | - Yali Wang
- College of Animal Science & Technology, Yangzhou University, China
| | - Xiaoyan Wang
- College of Animal Science & Technology, Yangzhou University, China
| | - Zoltán Ivics
- Division of Medical Biotechnology, Paul Ehrlich Institute, Langen, Germany
| | - Chengyi Song
- College of Animal Science & Technology, Yangzhou University, China
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Sotero-Caio CG, Platt RN, Suh A, Ray DA. Evolution and Diversity of Transposable Elements in Vertebrate Genomes. Genome Biol Evol 2017; 9:161-177. [PMID: 28158585 PMCID: PMC5381603 DOI: 10.1093/gbe/evw264] [Citation(s) in RCA: 147] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2016] [Indexed: 12/21/2022] Open
Abstract
Transposable elements (TEs) are selfish genetic elements that mobilize in genomes via transposition or retrotransposition and often make up large fractions of vertebrate genomes. Here, we review the current understanding of vertebrate TE diversity and evolution in the context of recent advances in genome sequencing and assembly techniques. TEs make up 4-60% of assembled vertebrate genomes, and deeply branching lineages such as ray-finned fishes and amphibians generally exhibit a higher TE diversity than the more recent radiations of birds and mammals. Furthermore, the list of taxa with exceptional TE landscapes is growing. We emphasize that the current bottleneck in genome analyses lies in the proper annotation of TEs and provide examples where superficial analyses led to misleading conclusions about genome evolution. Finally, recent advances in long-read sequencing will soon permit access to TE-rich genomic regions that previously resisted assembly including the gigantic, TE-rich genomes of salamanders and lungfishes.
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Affiliation(s)
| | - Roy N. Platt
- Department of Biological Sciences, Texas Tech University, Lubbock, TX
| | - Alexander Suh
- Department of Evolutionary Biology (EBC), Uppsala University, Uppsala, Sweden
| | - David A. Ray
- Department of Biological Sciences, Texas Tech University, Lubbock, TX
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Zhang HH, Li GY, Xiong XM, Han MJ, Zhang XG, Dai FY. TRT, a Vertebrate and Protozoan Tc1-Like Transposon: Current Activity and Horizontal Transfer. Genome Biol Evol 2016; 8:2994-3005. [PMID: 27667131 PMCID: PMC5630946 DOI: 10.1093/gbe/evw213] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
We report a Danio rerio transposon named DrTRT, for D. rerio Transposon Related to Tc1. The complete sequence of the DrTRT transposon is 1,563 base pairs (bp) in length, and its transposase putatively encodes a 338-amino acid protein that harbors a DD37E motif in its catalytic domain. We present evidence based on searches of publicly available genomes that TRT elements commonly occur in vertebrates and protozoa. Phylogenetic and functional domain comparisons confirm that TRT constitutes a new subfamily within the Tc1 family. Hallmark features of having no premature termination codons within the transposase, the presence of all expected functional domains, and its occurrence in the bony fish transcriptome suggest that TRT might have current or recent activity in these species. Further analysis showed that the activity of TRT elements in these species might have arisen about between 4 and 19 Ma. Interestingly, our results also implied that the widespread distribution of TRT among fishes, frog, and snakes is the result of multiple independent HT events, probably from bony fishes to snakes or frog. Finally, the mechanisms underlying horizontal transfer of TRT elements are discussed.
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Affiliation(s)
- Hua-Hao Zhang
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China College of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Guo-Yin Li
- Department of pathology, Hanzhoung Hospital, Hanzhoung city, Shaanxi, China
| | - Xiao-Min Xiong
- Clinical Medical College, Jiujiang University, Jiujiang, China
| | - Min-Jin Han
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
| | - Xiao-Gu Zhang
- College of Pharmacy and Life Science, Jiujiang University, Jiujiang, China
| | - Fang-Yin Dai
- State Key Laboratory of Silkworm Genome Biology, Key Laboratory for Sericulture Functional Genomics and Biotechnology of Agricultural Ministry, Southwest University, Chongqing, China
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Gallus S, Hallström BM, Kumar V, Dodt WG, Janke A, Schumann GG, Nilsson MA. Evolutionary histories of transposable elements in the genome of the largest living marsupial carnivore, the Tasmanian devil. Mol Biol Evol 2015; 32:1268-83. [PMID: 25633377 PMCID: PMC4408412 DOI: 10.1093/molbev/msv017] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The largest living carnivorous marsupial, the Tasmanian devil (Sarcophilus harrisii), is the sole survivor of a lineage originating about 12 Ma. We set out to investigate the spectrum of transposable elements found in the Tasmanian devil genome, the first high-coverage genome of an Australian marsupial. Marsupial genomes have been shown to have the highest amount of transposable elements among vertebrates. We analyzed the horizontally transmitted DNA transposons OC1 and hAT-1_MEu in the Tasmanian devil genome. OC1 is present in all carnivorous marsupials, while having a very limited distribution among the remaining Australian marsupial orders. In contrast, hAT-1_MEu is present in all Australian marsupial orders, and has so far only been identified in a few placental mammals. We screened 158 introns for phylogenetically informative retrotransposons in the order Dasyuromorphia, and found that the youngest SINE (Short INterspersed Element), WSINE1, is no longer active in the subfamily Dasyuridae. The lack of detectable WSINE1 activity in this group may be due to a retrotransposon inactivation event approximately 30 Ma. We found that the Tasmanian devil genome contains a relatively low number of continuous full-length LINE-1 (Long INterspersed Element 1, L1) retrotransposons compared with the opossum genome. Furthermore, all L1 elements in the Tasmanian devil appeared to be nonfunctional. Hidden Markov Model approaches suggested that other potential sources of functional reverse transcriptase are absent from the genome. We discuss the issues associated with assembling long, highly similar L1 copies from short read Illumina data and describe how assembly artifacts can potentially lead to erroneous conclusions.
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Affiliation(s)
- Susanne Gallus
- Division of Medical Biotechnology, Paul Ehrlich Institute, Langen, Germany LOEWE Biodiversity and Climate Research Centre (BiK-F), Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main, Germany
| | - Björn M Hallström
- Division of Medical Biotechnology, Paul Ehrlich Institute, Langen, Germany LOEWE Biodiversity and Climate Research Centre (BiK-F), Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main, Germany Science for Life Laboratory, KTH-Royal Institute of Technology, Stockholm, Sweden
| | - Vikas Kumar
- LOEWE Biodiversity and Climate Research Centre (BiK-F), Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main, Germany
| | - William G Dodt
- LOEWE Biodiversity and Climate Research Centre (BiK-F), Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main, Germany School of Earth, Environmental and Biological Sciences, Queensland University of Technology, Brisbane, Qld, Australia
| | - Axel Janke
- LOEWE Biodiversity and Climate Research Centre (BiK-F), Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main, Germany Institute for Ecology, Evolution & Diversity, Biologicum, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Gerald G Schumann
- Division of Medical Biotechnology, Paul Ehrlich Institute, Langen, Germany
| | - Maria A Nilsson
- LOEWE Biodiversity and Climate Research Centre (BiK-F), Senckenberg Gesellschaft für Naturforschung, Frankfurt am Main, Germany
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Chalopin D, Naville M, Plard F, Galiana D, Volff JN. Comparative analysis of transposable elements highlights mobilome diversity and evolution in vertebrates. Genome Biol Evol 2015; 7:567-80. [PMID: 25577199 PMCID: PMC4350176 DOI: 10.1093/gbe/evv005] [Citation(s) in RCA: 237] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Transposable elements (TEs) are major components of vertebrate genomes, with major roles in genome architecture and evolution. In order to characterize both common patterns and lineage-specific differences in TE content and TE evolution, we have compared the mobilomes of 23 vertebrate genomes, including 10 actinopterygian fish, 11 sarcopterygians, and 2 nonbony vertebrates. We found important variations in TE content (from 6% in the pufferfish tetraodon to 55% in zebrafish), with a more important relative contribution of TEs to genome size in fish than in mammals. Some TE superfamilies were found to be widespread in vertebrates, but most elements showed a more patchy distribution, indicative of multiple events of loss or gain. Interestingly, loss of major TE families was observed during the evolution of the sarcopterygian lineage, with a particularly strong reduction in TE diversity in birds and mammals. Phylogenetic trends in TE composition and activity were detected: Teleost fish genomes are dominated by DNA transposons and contain few ancient TE copies, while mammalian genomes have been predominantly shaped by nonlong terminal repeat retrotransposons, along with the persistence of older sequences. Differences were also found within lineages: The medaka fish genome underwent more recent TE amplification than the related platyfish, as observed for LINE retrotransposons in the mouse compared with the human genome. This study allows the identification of putative cases of horizontal transfer of TEs, and to tentatively infer the composition of the ancestral vertebrate mobilome. Taken together, the results obtained highlight the importance of TEs in the structure and evolution of vertebrate genomes, and demonstrate their major impact on genome diversity both between and within lineages.
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Affiliation(s)
- Domitille Chalopin
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, Centre National de la Recherche Scientifique UMR5242, Université Claude Bernard Lyon 1, Lyon Cedex 07, France
| | - Magali Naville
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, Centre National de la Recherche Scientifique UMR5242, Université Claude Bernard Lyon 1, Lyon Cedex 07, France
| | - Floriane Plard
- Laboratoire "Biométrie et Biologie Évolutive," Unité Mixte de Recherche 5558, Université Claude Bernard Lyon 1, Lyon, France
| | - Delphine Galiana
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, Centre National de la Recherche Scientifique UMR5242, Université Claude Bernard Lyon 1, Lyon Cedex 07, France
| | - Jean-Nicolas Volff
- Institut de Génomique Fonctionnelle de Lyon, Ecole Normale Supérieure de Lyon, Centre National de la Recherche Scientifique UMR5242, Université Claude Bernard Lyon 1, Lyon Cedex 07, France
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Modolo L, Picard F, Lerat E. A new genome-wide method to track horizontally transferred sequences: application to Drosophila. Genome Biol Evol 2015; 6:416-32. [PMID: 24497602 PMCID: PMC3942030 DOI: 10.1093/gbe/evu026] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Because of methodological breakthroughs and the availability of an increasing amount of whole-genome sequence data, horizontal transfers (HTs) in eukaryotes have received much attention recently. Contrary to similar analyses in prokaryotes, most studies in eukaryotes usually investigate particular sequences corresponding to transposable elements (TEs), neglecting the other components of the genome. We present a new methodological framework for the genome-wide detection of all putative horizontally transferred sequences between two species that requires no prior knowledge of the transferred sequences. This method provides a broader picture of HTs in eukaryotes by fully exploiting complete-genome sequence data. In contrast to previous genome-wide approaches, we used a well-defined statistical framework to control for the number of false positives in the results, and we propose two new validation procedures to control for confounding factors. The first validation procedure relies on a comparative analysis with other species of the phylogeny to validate HTs for the nonrepeated sequences detected, whereas the second one built upon the study of the dynamics of the detected TEs. We applied our method to two closely related Drosophila species, Drosophila melanogaster and D. simulans, in which we discovered 10 new HTs in addition to all the HTs previously detected in different studies, which underscores our method’s high sensitivity and specificity. Our results favor the hypothesis of multiple independent HTs of TEs while unraveling a small portion of the network of HTs in the Drosophila phylogeny.
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Affiliation(s)
- Laurent Modolo
- Université de Lyon, France, Université Lyon 1, CNRS, UMR 5558, Laboratoire de Biométrie et Biologie Evolutive, VIlleurbanne, France
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Abstract
Horizontal gene transfer is accepted as an important evolutionary force modulating the evolution of prokaryote genomes. However, it is thought that horizontal gene transfer plays only a minor role in metazoan evolution. In this paper, I critically review the rising evidence on horizontally transferred genes and on the acquisition of novel traits in metazoans. In particular, I discuss suspected examples in sponges, cnidarians, rotifers, nematodes, molluscs and arthropods which suggest that horizontal gene transfer in metazoans is not simply a curiosity. In addition, I stress the scarcity of studies in vertebrates and other animal groups and the importance of forthcoming studies to understand the importance and extent of horizontal gene transfer in animals.
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Affiliation(s)
- Luis Boto
- Dpto. Biodiversidad y Biología Evolutiva, Museo Nacional Ciencias Naturales. CSIC, , C/ José Gutierrez Abascal 2, 28006 Madrid, Spain
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Ivancevic AM, Walsh AM, Kortschak RD, Adelson DL. Jumping the fine LINE between species: horizontal transfer of transposable elements in animals catalyses genome evolution. Bioessays 2013; 35:1071-82. [PMID: 24003001 DOI: 10.1002/bies.201300072] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Horizontal transfer (HT) is the transmission of genetic material between non-mating species, a phenomenon thought to occur rarely in multicellular eukaryotes. However, many transposable elements (TEs) are not only capable of HT, but have frequently jumped between widely divergent species. Here we review and integrate reported cases of HT in retrotransposons of the BovB family, and DNA transposons, over a broad range of animals spanning all continents. Our conclusions challenge the paradigm that HT in vertebrates is restricted to infective long terminal repeat (LTR) retrotransposons or retroviruses. This raises the possibility that other non-LTR retrotransposons, such as L1 or CR1 elements, believed to be only vertically transmitted, can horizontally transfer between species. Growing evidence indicates that the process of HT is much more general across different TEs and species than previously believed, and that it likely shapes eukaryotic genomes and catalyses genome evolution.
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Affiliation(s)
- Atma M Ivancevic
- School of Molecular and Biomedical Science, University of Adelaide, Adelaide, SA, Australia
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