2023
DOI: 10.1101/2023.05.08.539935
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The genomic landscape of transposable elements in yeast hybrids is shaped by structural variation and genotype-specific modulation of transposition rate

Abstract: Transposable elements (TEs) are major contributors to structural genomic variation by creating interspersed duplications of themselves. In return, structural variants (SVs) can affect the genomic distribution of TE copies and shape their load. One long-standing hypothesis states that hybridization could trigger TE mobilization and thus increase TE load in hybrids. We previously tested this hypothesis by performing a large-scale evolution experiment by mutation accumulation (MA) on multiple hybrid genotypes wit… Show more

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Cited by 3 publications
(4 citation statements)
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“…The correspondence in the timing of Ss4R and the proliferation of TE in salmonid genomes suggests that the WGD event may have disrupted TE regulation processes ( Lien et al 2016 ). Similar to what is observed in hybrids ( Hénault et al 2023 ; Laporte et al 2019 ), TE expansion may, in turn, have contributed to the sequence divergence and chromosomal rearrangements that enabled rediploidization ( Lien et al 2016 ). In ray-finned fishes, the abundance of TEs is also closely correlated to genome size ( Chalopin et al 2015 ; Gao et al 2016 ).…”
Section: Introductionmentioning
confidence: 52%
“…The correspondence in the timing of Ss4R and the proliferation of TE in salmonid genomes suggests that the WGD event may have disrupted TE regulation processes ( Lien et al 2016 ). Similar to what is observed in hybrids ( Hénault et al 2023 ; Laporte et al 2019 ), TE expansion may, in turn, have contributed to the sequence divergence and chromosomal rearrangements that enabled rediploidization ( Lien et al 2016 ). In ray-finned fishes, the abundance of TEs is also closely correlated to genome size ( Chalopin et al 2015 ; Gao et al 2016 ).…”
Section: Introductionmentioning
confidence: 52%
“…In fact, the correspondence in the timing of Ss4R and the proliferation of transposable elements in salmonid genomes suggests that the WGD event may have disrupted TE regulation processes (Lien et al, 2016). Similar to what is observed in hybrids (Hénault et al 2023;Laporte et al 2019), TE expansion may in turn have contributed to the sequence divergence and chromosomal rearrangements that enabled rediploidization (Lien et al 2016). In ray-finned fishes, the abundance of TEs is also closely correlated to genome size (Chalopin et al 2015;Gao et al 2016).…”
Section: Introductionmentioning
confidence: 72%
“…We assembled pRS31N- ScERG11 as follows. The plasmid pRS31N 68 containing AMP and NAT resistance markers was amplified using this PCR mix and cycles:…”
Section: Methodsmentioning
confidence: 99%
“…We assembled pRS31N-ScERG11 as follows. The plasmid pRS31N 68 The vector and the insert were assembled to obtain pRS31N-ScERG11.…”
Section: Plasmids Constructionmentioning
confidence: 99%