The Future of Transposable Element Annotation and Their Classification in the Light of Functional Genomics
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"Evolutionary Emergence of Genes Through Retrotransposition"
Evolutionary Emergence of Advanced article Genes Through Article Contents . Introduction Retrotransposition . Gene Alteration Following Retrotransposon Insertion . Retrotransposon Recruitment by Host Genome . Retrotransposon-mediated Gene Duplication Richard Cordaux, University of Poitiers, Poitiers, France . Conclusion Mark A Batzer, Department of Biological Sciences, Louisiana State University, Baton Rouge, doi: 10.1002/9780470015902.a0020783 Louisiana, USA Variation in the number of genes among species indicates that new genes are continuously generated over evolutionary times. Evidence is accumulating that transposable elements, including retrotransposons (which account for about 90% of all transposable elements inserted in primate genomes), are potent mediators of new gene origination. Retrotransposons have fostered genetic innovation during human and primate evolution through: (i) alteration of structure and/or expression of pre-existing genes following their insertion, (ii) recruitment (or domestication) of their coding sequence by the host genome and (iii) their ability to mediate gene duplication via ectopic recombination, sequence transduction and gene retrotransposition. Introduction genes, respectively, and de novo origination from previ- ously noncoding genomic sequence. Genome sequencing Variation in the number of genes among species indicates projects have also highlighted that new gene structures can that new genes are continuously generated over evolution- arise as a result of the activity of transposable elements ary times. Although the emergence of new genes and (TEs), which are mobile genetic units or ‘jumping genes’ functions is of central importance to the evolution of that have been bombarding the genomes of most species species, studies on the formation of genetic innovations during evolution. For example, there are over three million have only recently become possible. -
Evolution of Pogo, a Separate Superfamily of IS630-Tc1-Mariner
Gao et al. Mobile DNA (2020) 11:25 https://doi.org/10.1186/s13100-020-00220-0 RESEARCH Open Access Evolution of pogo, a separate superfamily of IS630-Tc1-mariner transposons, revealing recurrent domestication events in vertebrates Bo Gao, Yali Wang, Mohamed Diaby, Wencheng Zong, Dan Shen, Saisai Wang, Cai Chen, Xiaoyan Wang and Chengyi Song* Abstracts Background: Tc1/mariner and Zator, as two superfamilies of IS630-Tc1-mariner (ITm) group, have been well-defined. However, the molecular evolution and domestication of pogo transposons, once designated as an important family of the Tc1/mariner superfamily, are still poorly understood. Results: Here, phylogenetic analysis show that pogo transposases, together with Tc1/mariner,DD34E/Gambol,and Zator transposases form four distinct monophyletic clades with high bootstrap supports (> = 74%), suggesting that they are separate superfamilies of ITm group. The pogo superfamily represents high diversity with six distinct families (Passer, Tigger, pogoR, Lemi, Mover,andFot/Fot-like) and wide distribution with an expansion spanning across all the kingdoms of eukaryotes. It shows widespread occurrences in animals and fungi, but restricted taxonomic distribution in land plants. It has invaded almost all lineages of animals—even mammals—and has been domesticated repeatedly in vertebrates, with 12 genes, including centromere-associated protein B (CENPB), CENPB DNA-binding domain containing 1 (CENPBD1), Jrk helix–turn–helix protein (JRK), JRK like (JRKL), pogo transposable element derived with KRAB domain (POGK), and with ZNF domain (POGZ), and Tigger transposable element-derived 2 to 7 (TIGD2–7), deduced as originating from this superfamily. Two of them (JRKL and TIGD2) seem to have been co-domesticated, and the others represent independent domestication events. -
Retrotransposon Long Interspersed Nucleotide Element1 (LINE1) Is
The Japanese Society of Developmental Biologists Develop. Growth Differ. (2012) 54, 673–685 doi: 10.1111/j.1440-169X.2012.01368.x Original Article Retrotransposon long interspersed nucleotide element-1 (LINE-1) is activated during salamander limb regeneration Wei Zhu,1 Dwight Kuo,2 Jason Nathanson,3 Akira Satoh,4,5 Gerald M. Pao,1 Gene W. Yeo,3 Susan V. Bryant,5 S. Randal Voss,6 David M. Gardiner5*and Tony Hunter1* 1Molecular and Cell Biology Laboratory and Laboratory of Genetics, Salk Institute for Biological Studies, La Jolla, California 92037, Departments of 2Bioengineering and 3Cellular and Molecular Medicine, University of California San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA; 4Okayama University, R.C.I.S. Okayama-city, Okayama, 700-8530, Japan; 5Department of Developmental and Cell Biology, University of California at Irvine, Irvine, California 92697, and 6Department of Biology and Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, Kentucky 40506, USA Salamanders possess an extraordinary capacity for tissue and organ regeneration when compared to mam- mals. In our effort to characterize the unique transcriptional fingerprint emerging during the early phase of sala- mander limb regeneration, we identified transcriptional activation of some germline-specific genes within the Mexican axolotl (Ambystoma mexicanum) that is indicative of cellular reprogramming of differentiated cells into a germline-like state. In this work, we focus on one of these genes, the long interspersed nucleotide element-1 (LINE-1) retrotransposon, which is usually active in germ cells and silent in most of the somatic tissues in other organisms. LINE-1 was found to be dramatically upregulated during regeneration. -
The LUCA and Its Complex Virome in Another Recent Synthesis, We Examined the Origins of the Replication and Structural Mart Krupovic , Valerian V
PERSPECTIVES archaea that form several distinct, seemingly unrelated groups16–18. The LUCA and its complex virome In another recent synthesis, we examined the origins of the replication and structural Mart Krupovic , Valerian V. Dolja and Eugene V. Koonin modules of viruses and posited a ‘chimeric’ scenario of virus evolution19. Under this Abstract | The last universal cellular ancestor (LUCA) is the most recent population model, the replication machineries of each of of organisms from which all cellular life on Earth descends. The reconstruction of the four realms derive from the primordial the genome and phenotype of the LUCA is a major challenge in evolutionary pool of genetic elements, whereas the major biology. Given that all life forms are associated with viruses and/or other mobile virion structural proteins were acquired genetic elements, there is no doubt that the LUCA was a host to viruses. Here, by from cellular hosts at different stages of evolution giving rise to bona fide viruses. projecting back in time using the extant distribution of viruses across the two In this Perspective article, we combine primary domains of life, bacteria and archaea, and tracing the evolutionary this recent work with observations on the histories of some key virus genes, we attempt a reconstruction of the LUCA virome. host ranges of viruses in each of the four Even a conservative version of this reconstruction suggests a remarkably complex realms, along with deeper reconstructions virome that already included the main groups of extant viruses of bacteria and of virus evolution, to tentatively infer archaea. We further present evidence of extensive virus evolution antedating the the composition of the virome of the last universal cellular ancestor (LUCA; also LUCA. -
Comprehensive Analysis of Mobile Genetic Elements in the Gut Microbiome Reveals Phylum-Level Niche-Adaptive Gene Pools
bioRxiv preprint doi: https://doi.org/10.1101/214213; this version posted December 22, 2017. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 1 Comprehensive analysis of mobile genetic elements in the gut microbiome 2 reveals phylum-level niche-adaptive gene pools 3 Xiaofang Jiang1,2,†, Andrew Brantley Hall2,3,†, Ramnik J. Xavier1,2,3,4, and Eric Alm1,2,5,* 4 1 Center for Microbiome Informatics and Therapeutics, Massachusetts Institute of Technology, 5 Cambridge, MA 02139, USA 6 2 Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA 7 3 Center for Computational and Integrative Biology, Massachusetts General Hospital and Harvard 8 Medical School, Boston, MA 02114, USA 9 4 Gastrointestinal Unit and Center for the Study of Inflammatory Bowel Disease, Massachusetts General 10 Hospital and Harvard Medical School, Boston, MA 02114, USA 11 5 MIT Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 12 02142, USA 13 † Co-first Authors 14 * Corresponding Author bioRxiv preprint doi: https://doi.org/10.1101/214213; this version posted December 22, 2017. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. 15 Abstract 16 Mobile genetic elements (MGEs) drive extensive horizontal transfer in the gut microbiome. This transfer 17 could benefit human health by conferring new metabolic capabilities to commensal microbes, or it could 18 threaten human health by spreading antibiotic resistance genes to pathogens. Despite their biological 19 importance and medical relevance, MGEs from the gut microbiome have not been systematically 20 characterized. -
A Review on the Population Genomics of Transposable Elements
G C A T T A C G G C A T genes Review On the Population Dynamics of Junk: A Review on the Population Genomics of Transposable Elements Yann Bourgeois and Stéphane Boissinot * New York University Abu Dhabi, P.O. 129188 Saadiyat Island, Abu Dhabi, UAE; [email protected] * Correspondence: [email protected] Received: 4 April 2019; Accepted: 21 May 2019; Published: 30 May 2019 Abstract: Transposable elements (TEs) play an important role in shaping genomic organization and structure, and may cause dramatic changes in phenotypes. Despite the genetic load they may impose on their host and their importance in microevolutionary processes such as adaptation and speciation, the number of population genetics studies focused on TEs has been rather limited so far compared to single nucleotide polymorphisms (SNPs). Here, we review the current knowledge about the dynamics of transposable elements at recent evolutionary time scales, and discuss the mechanisms that condition their abundance and frequency. We first discuss non-adaptive mechanisms such as purifying selection and the variable rates of transposition and elimination, and then focus on positive and balancing selection, to finally conclude on the potential role of TEs in causing genomic incompatibilities and eventually speciation. We also suggest possible ways to better model TEs dynamics in a population genomics context by incorporating recent advances in TEs into the rich information provided by SNPs about the demography, selection, and intrinsic properties of genomes. Keywords: transposable elements; population genetics; selection; drift; coevolution 1. Introduction Transposable elements (TEs) are repetitive DNA sequences that are ubiquitous in the living world and have the ability to replicate and multiply within genomes. -
The Evolutionary Life History of P Transposons: from Horizontal Invaders to Domesticated Neogenes
Chromosoma (2001) 110:148–158 DOI 10.1007/s004120100144 CHROMOSOMA FOCUS Wilhelm Pinsker · Elisabeth Haring Sylvia Hagemann · Wolfgang J. Miller The evolutionary life history of P transposons: from horizontal invaders to domesticated neogenes Received: 5 February 2001 / In revised form: 15 March 2001 / Accepted: 15 March 2001 / Published online: 3 May 2001 © Springer-Verlag 2001 Abstract P elements, a family of DNA transposons, are uct of their self-propagating lifestyle. One of the most known as aggressive intruders into the hitherto uninfected intensively studied examples is the P element of Dro- gene pool of Drosophila melanogaster. Invading through sophila, a family of DNA transposons that has proved horizontal transmission from an external source they useful not only as a genetic tool (e.g., transposon tag- managed to spread rapidly through natural populations ging, germline transformation vector), but also as a model within a few decades. Owing to their propensity for rapid system for investigating general features of the evolu- propagation within genomes as well as within popula- tionary behavior of mobile DNA (Kidwell 1994). P ele- tions, they are considered as the classic example of self- ments were first discovered as the causative agent of hy- ish DNA, causing havoc in a genomic environment per- brid dysgenesis in Drosophila melanogaster (Kidwell et missive for transpositional activity. Tracing the fate of P al. 1977) and were later characterized as a family of transposons on an evolutionary scale we describe differ- DNA transposons -
Understanding Brassicaceae Evolution Through Ancestral
Understanding Brassicaceae evolution through ancestral genome reconstruction Florent Murat, Alexandra Louis, Florian Maumus, Alix Armero Villanueva, Richard Cooke, Hadi Quesneville, Hugues Roest Crollius, Jerome Salse To cite this version: Florent Murat, Alexandra Louis, Florian Maumus, Alix Armero Villanueva, Richard Cooke, et al.. Understanding Brassicaceae evolution through ancestral genome reconstruction. Genome Biology, BioMed Central, 2015, 16 (262), 10.1186/s13059-015-0814-y. hal-01281832 HAL Id: hal-01281832 https://hal.archives-ouvertes.fr/hal-01281832 Submitted on 2 Mar 2016 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Murat et al. Genome Biology (2015) 16:262 DOI 10.1186/s13059-015-0814-y RESEARCH Open Access Understanding Brassicaceae evolution through ancestral genome reconstruction Florent Murat1†, Alexandra Louis2,3,4†, Florian Maumus5†, Alix Armero1, Richard Cooke6, Hadi Quesneville5, Hugues Roest Crollius2,3,4 and Jerome Salse1* Abstract Background: Brassicaceae is a family of green plants of high scientific and economic interest, including thale cress (Arabidopsis thaliana), cruciferous vegetables (cabbages) and rapeseed. Results: We reconstruct an evolutionary framework of Brassicaceae composed of high-resolution ancestral karyotypes using the genomes of modern A. thaliana, Arabidopsis lyrata, Capsella rubella, Brassica rapa and Thellungiella parvula. -
A Novel and Direct Mobilome Approach Improves the Detection of Larger-Sized Circular Elements Across Kingdoms
bioRxiv preprint doi: https://doi.org/10.1101/761098; this version posted September 9, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. 1 A novel and direct mobilome approach improves 2 the detection of larger-sized circular elements 3 across kingdoms 4 Katrine Skov Alanin1,2†, Tue Sparholt Jørgensen1,3,4†, Patrick Browne1,2†, Bent Petersen5,6, Leise Riber7, 5 Witold Kot1,2‡* and Lars Hestbjerg Hansen1,2‡* 6 1Department of Environmental Science, Aarhus University, Roskilde, Denmark 7 2Department of Plant and Environmental Science, University of Copenhagen, Copenhagen, Denmark 8 3Novo Nordisk Foundation Center for Biosustainability, Danish Technical University, Lyngby, Denmark 9 4Department of Science and Environment, Roskilde University, Denmark 10 5Globe Institute, Faculty of Health and Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark 11 6Centre of Excellence for Omics-Driven Computational Biodiscovery (COMBio), Faculty of Applied Sciences, AIMST 12 University, Kedah, Malaysia 13 7Department of Biology, Functional Genomics, University of Copenhagen, Copenhagen, Denmark 14 15 †These authors contributed equally to the work presented 16 ‡ WK and LHH initiated and supervised the project equally 17 *To whom correspondence should be addressed 18 19 Abstract: Mobile genetic elements (MGEs) are instrumental in natural prokaryotic genome editing, permitting 20 genome plasticity and allowing microbes to accumulate immense genetic diversity. MGEs include DNA 21 elements such as plasmids, transposons and Insertion Sequences (IS-elements), as well as bacteriophages 22 (phages), and they serve as a vast communal gene pool. -
The Wolbachia Mobilome in Culex Pipiens Includes a Putative Plasmid
Corrected: Author correction ARTICLE https://doi.org/10.1038/s41467-019-08973-w OPEN The Wolbachia mobilome in Culex pipiens includes a putative plasmid Julie Reveillaud1, Sarah R. Bordenstein2, Corinne Cruaud3, Alon Shaiber4,5, Özcan C. Esen5, Mylène Weill6, Patrick Makoundou6, Karen Lolans5, Andrea R. Watson5, Ignace Rakotoarivony1, Seth R. Bordenstein 2,7,8 & A. Murat Eren 4,5,9 Wolbachia is a genus of obligate intracellular bacteria found in nematodes and arthropods 1234567890():,; worldwide, including insect vectors that transmit dengue, West Nile, and Zika viruses. Wolbachia’s unique ability to alter host reproductive behavior through its temperate bacteriophage WO has enabled the development of new vector control strategies. However, our understanding of Wolbachia’s mobilome beyond its bacteriophages is incomplete. Here, we reconstruct near-complete Wolbachia genomes from individual ovary metagenomes of four wild Culex pipiens mosquitoes captured in France. In addition to viral genes missing from the Wolbachia reference genome, we identify a putative plasmid (pWCP), consisting of a 9.23-kbp circular element with 14 genes. We validate its presence in additional Culex pipiens mosquitoes using PCR, long-read sequencing, and screening of existing metagenomes. The discovery of this previously unrecognized extrachromosomal element opens additional possibilities for genetic manipulation of Wolbachia. 1 ASTRE, INRA, CIRAD, University of Montpellier, Montpellier 34398, France. 2 Department of Biological Sciences, Vanderbilt University, Nashville 37235 TN, USA. 3 Commissariat à l’Energie Atomique et aux Energies Alternatives (CEA), Institut de Biologie François Jacob, Genoscope, Evry 91057, France. 4 Graduate Program in the Biophysical Sciences, University of Chicago, Chicago, IL 60637, USA. 5 Department of Medicine, University of Chicago, Chicago 60637 IL, USA. -
Virus World As an Evolutionary Network of Viruses and Capsidless Selfish Elements
Virus World as an Evolutionary Network of Viruses and Capsidless Selfish Elements Koonin, E. V., & Dolja, V. V. (2014). Virus World as an Evolutionary Network of Viruses and Capsidless Selfish Elements. Microbiology and Molecular Biology Reviews, 78(2), 278-303. doi:10.1128/MMBR.00049-13 10.1128/MMBR.00049-13 American Society for Microbiology Version of Record http://cdss.library.oregonstate.edu/sa-termsofuse Virus World as an Evolutionary Network of Viruses and Capsidless Selfish Elements Eugene V. Koonin,a Valerian V. Doljab National Center for Biotechnology Information, National Library of Medicine, Bethesda, Maryland, USAa; Department of Botany and Plant Pathology and Center for Genome Research and Biocomputing, Oregon State University, Corvallis, Oregon, USAb Downloaded from SUMMARY ..................................................................................................................................................278 INTRODUCTION ............................................................................................................................................278 PREVALENCE OF REPLICATION SYSTEM COMPONENTS COMPARED TO CAPSID PROTEINS AMONG VIRUS HALLMARK GENES.......................279 CLASSIFICATION OF VIRUSES BY REPLICATION-EXPRESSION STRATEGY: TYPICAL VIRUSES AND CAPSIDLESS FORMS ................................279 EVOLUTIONARY RELATIONSHIPS BETWEEN VIRUSES AND CAPSIDLESS VIRUS-LIKE GENETIC ELEMENTS ..............................................280 Capsidless Derivatives of Positive-Strand RNA Viruses....................................................................................................280 -
The Tritryps Comparative Repeatome: Insights on Repetitive Element Evolution in Trypanosomatid Pathogens
GBE The Tritryps Comparative Repeatome: Insights on Repetitive Element Evolution in Trypanosomatid Pathogens Sebastian Pita1,2,FlorenciaDıaz-Viraque1, Gregorio Iraola3,4, and Carlos Robello1,5,* 1Laboratory of Host Pathogen Interactions, Unidad de Biologıa Molecular, Institut Pasteur de Montevideo, Montevideo, Uruguay 2Seccion Genetica Evolutiva, Facultad de Ciencias, Universidad de la Republica, Montevideo, Uruguay 3Microbial Genomics Laboratory, Institut Pasteur Montevideo, Montevideo, Uruguay 4Centro de Biologıa Integrativa, Universidad Mayor, Santiago de Chile, Chile Downloaded from https://academic.oup.com/gbe/article-abstract/11/2/546/5306335 by guest on 31 July 2019 5Departamento de Bioquımica, Facultad de Medicina, Universidad de la Republica, Montevideo, Uruguay *Corresponding author: E-mail: [email protected]. Accepted: February 1, 2019 Data deposition: This project has been deposited at NCBI under the accesion SRP155233 Abstract The major human pathogens Trypanosoma cruzi, Trypanosoma brucei,andLeishmania major are collectively known as the Tritryps. The initial comparative analysis of their genomes has uncovered that Tritryps share a great number of genes, but repetitive DNA seems to be extremely variable between them. However, the in-depth characterization of repetitive DNA in these pathogens has been in part neglected, mainly due to the well-known technical challenges of studying repetitive sequences from de novo assemblies using short reads. Here, we compared the repetitive DNA repertories between the Tritryps genomes using genome-wide, low- coverage Illumina sequencing coupled to RepeatExplorer analysis. Our work demonstrates that this extensively implemented ap- proach for studying higher eukaryote repeatomes is also useful for protozoan parasites like trypanosomatids, as we recovered previously observed differences in the presence and amount of repetitive DNA families.