ArticleGenome biology and evolution2013
Transcriptional dynamics of LTR retrotransposons in early generation and ancient sunflower hybrids.
Article in Genome biology and evolution, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- The Genomic Shock Hypothesis: Genetic and Epigenetic Alterations of Transposable Elements after Interspecific Hybridization in Plants.Epigenomes · 2023Review
- Evaluating and Validating Sunflower Reference Genes for Q-PCR Studies Under High Temperature Condition.Iranian journal of biotechnology · 2023Article
- Reactivation of transposable elements following hybridization in fission yeast.Genome research · 2022Article
- Transposable Element Mobilization in Interspecific Yeast Hybrids.Genome biology and evolution · 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
- 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
- Long Terminal Repeat Retrotransposon Content in Eight Diploid Sunflower Species Inferred from Next-Generation Sequence Data.G3 (Bethesda, Md.) · 2016Article
- Distribution of the DNA transposon family, Pokey in the Daphnia pulex species complex.Mobile DNA · 2016Article
- Transcriptionally active LTR retrotransposons in Eucalyptus genus are differentially expressed and insertionally polymorphic.BMC plant biology · 2015Article
- Genomics of homoploid hybrid speciation: diversity and transcriptional activity of long terminal repeat retrotransposons in hybrid sunflowers.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2014Article
- Impact of ploidy level on the distribution of Pokey element insertions in the Daphnia pulex complex.Mobile DNA · 2014Article
- Rapid genetic and epigenetic alterations under intergeneric genomic shock in newly synthesized Chrysanthemum morifolium x Leucanthemum paludosum hybrids (Asteraceae).Genome biology and evolution · 2014Article
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2 authors.
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Abstract
Hybridization and abiotic stress are natural agents hypothesized to influence activation and proliferation of transposable elements in wild populations. In this report, we examine the effects of these agents on expression dynamics of both quiescent and transcriptionally active sublineages of long terminal repeat (LTR) retrotransposons in wild sunflower species with a notable history of transposable element proliferation. For annual sunflower species Helianthus annuus and H. petiolaris, neither early generation hybridization nor abiotic stress, alone or in combination, induced transcriptional activation of quiescent sublineages of LTR retrotransposons. These treatments also failed to further induce expression of sublineages that are transcriptionally active; instead, expression of active sublineages in F1 and backcross hybrids was nondistinguishable from, or intermediate relative to, parental lines, and abiotic stress generally decreased normalized expression relative to controls. In contrast to findings for early generation hybridization between H. annuus and H. petiolaris, ancient sunflower hybrid species derived from these same two species and which have undergone massive proliferation events of LTR retrotransposons display 2× to 6× higher expression levels of transcriptionally active sublineages relative to parental sunflower species H. annuus and H. petiolaris. Implications and possible explanations for these findings are discussed.
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