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Guan Z, Shi S, Diaby M, Danley P, Ullah N, Puzakov M, Gao B, Song C. Horizontal transfer of Buster transposons across multiple phyla and classes of animals. Mol Phylogenet Evol 2022; 173:107506. [PMID: 35595006 DOI: 10.1016/j.ympev.2022.107506] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 03/06/2022] [Accepted: 04/05/2022] [Indexed: 10/18/2022]
Abstract
Transposable elements (TEs) are mobile genetic elements in the genome and broadly distributed across both prokaryotes and eukaryotes, and play an important role in shaping the genome evolution of their hosts. hAT elements are thought to be the most widespread cut-and-paste DNA transposon found throughout the tree of life. Buster is a recently recognized family of hAT. However, the evolutionary profile of the Buster family, such as its taxonomic distribution, evolutionary pattern, and activities, remains largely unknown. We conducted a systematic analysis of the evolutionary landscape of the Buster family and found that most Buster transposons are 1.72-4.66 kilobases (kb) in length, encode 500-736-amino acid (aa) transposases and are flanked by short (10-18 bp) terminal inverted repeats (TIRs) and 8 bp target site duplications (TSDs). Buster family is widely distributed in 609 species, involving eight classes of invertebrates and most lineage of vertebrates (including mammals). Horizontal transfer events were detected across multiple phyla and classes of animals, which may have contributed to their wide distribution, and both parasites and invasive species may facilitate HT events of Buster in vertebrates. Our data also suggest that Buster transposons are young, highly active, and appear as intact copies in multiple lineages of animals. High percentages of intact copies (>30%) were identified in some Arthropoda, Actinopterygii, Agnatha, and reptile species, and some of these may be active. These data will help increase understanding of the evolution of the hAT superfamily and its impact on eukaryotic genome evolution.
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Affiliation(s)
- Zhongxia Guan
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Shasha Shi
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Mohamed Diaby
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Patrick Danley
- University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA
| | - Numan Ullah
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Mikhail Puzakov
- A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, Nakhimov av., 2, Sevastopol 299011, Russia
| | - Bo Gao
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China
| | - Chengyi Song
- College of Animal Science & Technology, Yangzhou University, Yangzhou, Jiangsu 225009, China.
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Auvinet J, Graça P, Belkadi L, Petit L, Bonnivard E, Dettaï A, Detrich WH, Ozouf-Costaz C, Higuet D. Mobilization of retrotransposons as a cause of chromosomal diversification and rapid speciation: the case for the Antarctic teleost genus Trematomus. BMC Genomics 2018; 19:339. [PMID: 29739320 PMCID: PMC5941688 DOI: 10.1186/s12864-018-4714-x] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 04/23/2018] [Indexed: 11/29/2022] Open
Abstract
Background The importance of transposable elements (TEs) in the genomic remodeling and chromosomal rearrangements that accompany lineage diversification in vertebrates remains the subject of debate. The major impediment to understanding the roles of TEs in genome evolution is the lack of comparative and integrative analyses on complete taxonomic groups. To help overcome this problem, we have focused on the Antarctic teleost genus Trematomus (Notothenioidei: Nototheniidae), as they experienced rapid speciation accompanied by dramatic chromosomal diversity. Here we apply a multi-strategy approach to determine the role of large-scale TE mobilization in chromosomal diversification within Trematomus species. Results Despite the extensive chromosomal rearrangements observed in Trematomus species, our measurements revealed strong interspecific genome size conservation. After identifying the DIRS1, Gypsy and Copia retrotransposon superfamilies in genomes of 13 nototheniid species, we evaluated their diversity, abundance (copy numbers) and chromosomal distribution. Four families of DIRS1, nine of Gypsy, and two of Copia were highly conserved in these genomes; DIRS1 being the most represented within Trematomus genomes. Fluorescence in situ hybridization mapping showed preferential accumulation of DIRS1 in centromeric and pericentromeric regions, both in Trematomus and other nototheniid species, but not in outgroups: species of the Sub-Antarctic notothenioid families Bovichtidae and Eleginopsidae, and the non-notothenioid family Percidae. Conclusions In contrast to the outgroups, High-Antarctic notothenioid species, including the genus Trematomus, were subjected to strong environmental stresses involving repeated bouts of warming above the freezing point of seawater and cooling to sub-zero temperatures on the Antarctic continental shelf during the past 40 millions of years (My). As a consequence of these repetitive environmental changes, including thermal shocks; a breakdown of epigenetic regulation that normally represses TE activity may have led to sequential waves of TE activation within their genomes. The predominance of DIRS1 in Trematomus species, their transposition mechanism, and their strategic location in “hot spots” of insertion on chromosomes are likely to have facilitated nonhomologous recombination, thereby increasing genomic rearrangements. The resulting centric and tandem fusions and fissions would favor the rapid lineage diversification, characteristic of the nototheniid adaptive radiation. Electronic supplementary material The online version of this article (10.1186/s12864-018-4714-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- J Auvinet
- Laboratoire Evolution Paris Seine, Sorbonne Université, Univ Antilles, CNRS, Institut de Biologie Paris Seine (IBPS), F-75005, Paris, France. .,Institut de Systématique, Evolution, Biodiversité (ISYEB), Museum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, 57, rue Cuvier, 75005, Paris, France.
| | - P Graça
- Laboratoire Evolution Paris Seine, Sorbonne Université, Univ Antilles, CNRS, Institut de Biologie Paris Seine (IBPS), F-75005, Paris, France
| | - L Belkadi
- Institut Pasteur, Laboratoire Signalisation et Pathogénèse, UMR CNRS 3691, Bâtiment DARRE, 25-28 rue du Dr Roux, 75015, Paris, France
| | - L Petit
- Plateforme d'Imagerie et Cytométrie en flux, Sorbonne Université, CNRS, - Institut de Biologie Paris-Seine (BDPS - IBPS), F-75005, Paris, France
| | - E Bonnivard
- Laboratoire Evolution Paris Seine, Sorbonne Université, Univ Antilles, CNRS, Institut de Biologie Paris Seine (IBPS), F-75005, Paris, France
| | - A Dettaï
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Museum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, 57, rue Cuvier, 75005, Paris, France
| | - W H Detrich
- Department of Marine and Environmental Sciences, Marine Science Center, Northeastern University, Nahant, MA, 01908, USA
| | - C Ozouf-Costaz
- Laboratoire Evolution Paris Seine, Sorbonne Université, Univ Antilles, CNRS, Institut de Biologie Paris Seine (IBPS), F-75005, Paris, France
| | - D Higuet
- Laboratoire Evolution Paris Seine, Sorbonne Université, Univ Antilles, CNRS, Institut de Biologie Paris Seine (IBPS), F-75005, Paris, France
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Loreto ELS, Deprá M, Diesel JF, Panzera Y, Valente-Gaiesky VLS. Drosophila relics hobo and hobo-MITEs transposons as raw material for new regulatory networks. Genet Mol Biol 2018; 41:198-205. [PMID: 29668013 PMCID: PMC5913719 DOI: 10.1590/1678-4685-gmb-2017-0068] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 08/01/2017] [Indexed: 12/22/2022] Open
Abstract
Hypermutable strains of Drosophila simulans have been studied
for 20 years. Several mutants were isolated and characterized, some of which had
phenotypes associated with alteration in development; for example, showing
ectopic legs with eyes being expressed in place of antennae. The causal agent of
this hypermutability is a non-autonomous hobo-related sequence
(hoboVA). Around 100 mobilizable copies of this element are
present in the D. simulans genome, and these are likely
mobilized by the autonomous and canonical hobo element. We have
shown that hoboVA has transcription factor binding sites for
the developmental genes, hunchback and
even-skipped, and that this transposon is expressed in
embryos, following the patterns of these genes. We suggest that
hobo and hobo-related elements can be
material for the emergence of new regulatory networks.
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Affiliation(s)
- Elgion L S Loreto
- Programa de Pós-Graduação em Genética e Biologia Molecular, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.,Departamento de Bioquímica e Biologia Molecular (CCNE), Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Maríndia Deprá
- Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - José F Diesel
- Departamento de Bioquímica e Biologia Molecular (CCNE), Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Yanina Panzera
- Departamento de Genetica, Universidad de la República de Uruguay (UDELAR), Montevideo, Uruguay
| | - Vera Lucia S Valente-Gaiesky
- Programa de Pós-Graduação em Genética e Biologia Molecular, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.,Departamento de Genética, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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Abstract
hAT transposons are ancient in their origin and they are widespread across eukaryote kingdoms. They can be present in large numbers in many genomes. However, only a few active forms of these elements have so far been discovered indicating that, like all transposable elements, there is selective pressure to inactivate them. Nonetheless, there have been sufficient numbers of active hAT elements and their transposases characterized that permit an analysis of their structure and function. This review analyzes these and provides a comparison with the several domesticated hAT genes discovered in eukaryote genomes. Active hAT transposons have also been developed as genetic tools and understanding how these may be optimally utilized in new hosts will depend, in part, on understanding the basis of their function in genomes.
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hobo-brothers elements and their time and place for horizontal transfer. Genetica 2013; 141:471-8. [PMID: 24158527 DOI: 10.1007/s10709-013-9746-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 10/18/2013] [Indexed: 01/02/2023]
Abstract
Transposable elements (TEs) are ubiquitous components of nearly all genomes studied. These elements are highly variable in copy number, molecular structure and transposition strategies. They can move within and between genomes, thus increasing their copy numbers and avoiding being eliminated by stochastic and deterministic processes. hobo is a class II element isolated from Drosophila melanogaster. Previous phylogenetic analyses have shown that the canonical hobo element from D. melanogaster has a sister group formed by sequences found in D. willistoni (called howilli2) and D. mojavensis (called homo1). In the present study, we investigated 36 Drosophilidae species for sequences similar to howilli2 and homo1 using degenerate primers. Additionally, in silico searches were performed in 21 available Drosophila genomes. The obtained sequences formed a monophyletic sister group with the canonical hobo element; we termed these sequences 'hobo-brothers' elements. These elements showed a patch distribution and incongruities with the TE and host species phylogenies, suggesting possible cases of horizontal transfer (HT). Species that possess hobo-brothers sequences are from the New World, mainly Neotropical areas. In addition, the estimated divergence of the sequences found showed that these elements are or were recently active; the large number of HT events observed suggests that these elements could be experiencing an expansion process in Neotropical genomes. A comparison of these results with the literature is discussed with regard to the importance of the time and location of horizontal transposon transfer events.
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