Evolution and diversity of transposable elements in vertebrate genomes

Sotero-Caio, Cibele G., Platt, Roy N., Suh, Alexander ORCID: https://orcid.org/0000-0002-8979-9992 and Ray, David A. (2017) Evolution and diversity of transposable elements in vertebrate genomes. Genome Biology and Evolution, 9 (1). pp. 161-177. ISSN 1759-6653

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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, were view 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 andmammals. 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 tomisleading conclusions about genome evolution. Finally, recent advances inlong-read sequencing will soon permit access to TErich genomic regions that previously resisted assembly including the gigantic, TE-rich genomes of salamanders and lungfishes.

Item Type: Article
Additional Information: Funding Information: This work was supported by the National Science Foundation (DEB-1355176, DEB-1020865, MCB-0841821 and MCB- 1052500 to D.A.R.). Additional support was provided by College of Arts and Sciences at Texas Tech University. C.G.S.C. was supported by a Postdoctoral scholarship from the Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq-Brazil. Publisher Copyright: © 2016 The Author.
Uncontrolled Keywords: retrotransposons,transposable element,transposons,vertebrate,ecology, evolution, behavior and systematics,genetics ,/dk/atira/pure/subjectarea/asjc/1100/1105
Faculty \ School: Faculty of Science > School of Biological Sciences
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Depositing User: LivePure Connector
Date Deposited: 16 Sep 2022 15:35
Last Modified: 24 Sep 2022 07:15
URI: https://ueaeprints.uea.ac.uk/id/eprint/88409
DOI: 10.1093/gbe/evw264

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