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Evolution and Diversity of Transposable Elements in Vertebrate Genomes
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- Sotero-Caio, Cibele G. (author)
- Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA.
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- Platt, Roy N., II (author)
- Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA.
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- Suh, Alexander (author)
- Uppsala universitet,Evolutionsbiologi
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- Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA Evolutionsbiologi (creator_code:org_t)
- 2017-02-01
- English.
- In: Genome Biology and Evolution. - : OXFORD UNIV PRESS. - 1759-6653. ; 9:1, s. 161-177
- Journal article (peer-reviewed)
Abstract
Subject headings
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- 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 genomeevolution. 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.
Subject headings
- NATURVETENSKAP -- Biologi -- Evolutionsbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Evolutionary Biology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
Keyword
- vertebrate
- transposable element
- transposons
- retrotransposons
Publication and Content Type
- ref (subject category)
- art (subject category)
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