ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2014
Genomics of homoploid hybrid speciation: diversity and transcriptional activity of long terminal repeat retrotransposons in hybrid sunflowers.
Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed.
- Phylogenomic relationships and species delimitation ofFrontiers in plant science · 2025Article
- Article
- The Genomic Shock Hypothesis: Genetic and Epigenetic Alterations of Transposable Elements after Interspecific Hybridization in Plants.Epigenomes · 2023Review
- Mutation Load in Sunflower Inversions Is Negatively Correlated with Inversion Heterozygosity.Molecular biology and evolution · 2022Article
- High Stability of the Epigenome in Drosophila Interspecific Hybrids.Genome biology and evolution · 2022Article
- Reactivation of transposable elements following hybridization in fission yeast.Genome research · 2022Article
- New Insights into Interspecific Hybridization inPlants (Basel, Switzerland) · 2021Article
- Transposable Element Mobilization in Interspecific Yeast Hybrids.Genome biology and evolution · 2021Article
- Evolutionary and genomic comparisons of hybrid uninucleate and nonhybrid Rhizoctonia fungi.Communications biology · 2021Article
- Testing the Genomic Shock Hypothesis Using Transposable Element Expression in Yeast Hybrids.Frontiers in fungal biology · 2021Article
- Genomic and Transcriptomic Survey Provides New Insight into the Organization and Transposition Activity of Highly Expressed LTR Retrotransposons of Sunflower (International journal of molecular sciences · 2020Article
- The effect of hybridization on transposable element accumulation in an undomesticated fungal species.eLife · 2020Article
- Drosophila Interspecific Hybridization Causes A Deregulation of the piRNA Pathway Genes.Genes · 2020Article
- Population Genomics inGenes · 2020Article
- Hybridization History and Repetitive Element Content in the Genome of a Homoploid Hybrid,Frontiers in plant science · 2020Article
- Hybrid dysgenesis inMobile DNA · 2020Article
- Intraspecific and intraorganismal copy number dynamics of retrotransposons and tandem repeat in Aegilops speltoides Tausch (Poaceae, Triticeae).Protoplasma · 2018Article
- Transcriptomic analysis reveals overdominance playing a critical role in nicotine heterosis in Nicotiana tabacum L.BMC plant biology · 2018Article
- Genomic abundance and transcriptional activity of diverse gypsy and copia long terminal repeat retrotransposons in three wild sunflower species.BMC plant biology · 2018Article
- Copy number increases of transposable elements and protein-coding genes in an invasive fish of hybrid origin.Molecular ecology · 2017Article
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4 authors.
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Abstract
Hybridization is thought to play an important role in plant evolution by introducing novel genetic combinations and promoting genome restructuring. However, surprisingly little is known about the impact of hybridization on transposable element (TE) proliferation and the genomic response to TE activity. In this paper, we first review the mechanisms by which homoploid hybrid species may arise in nature. We then present hybrid sunflowers as a case study to examine transcriptional activity of long terminal repeat retrotransposons in the annual sunflowers Helianthus annuus, Helianthus petiolaris and their homoploid hybrid derivatives (H. paradoxus, H. anomalus and H. deserticola) using high-throughput transcriptome sequencing technologies (RNAseq). Sampling homoploid hybrid sunflower taxa revealed abundant variation in TE transcript accumulation. In addition, genetic diversity for several candidate genes hypothesized to regulate TE activity was characterized. Specifically, we highlight one candidate chromatin remodelling factor gene with a direct role in repressing TE activity in a hybrid species. This paper shows that TE amplification in hybrid lineages is more idiosyncratic than previously believed and provides a first step towards identifying the mechanisms responsible for regulating and repressing TE expansions.
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