ArticleBMC plant biology2009
Copia and Gypsy retrotransposons activity in sunflower (Helianthus annuus L.).
Article in BMC plant biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed, 44 citations in OpenAlex.
- Comparative Analysis of Active LTR Retrotransposons in Sunflower (International journal of molecular sciences · 2024Article
- Genomic insights into bamboo witches' broom disease: pathogenicity and phytohormone biosynthesis inFrontiers in microbiology · 2024Article
- Discovering the Repeatome of Five Species Belonging to the Asteraceae Family: A Computational Study.Plants (Basel, Switzerland) · 2023Article
- Amplification of LTRs of extrachromosomal linear DNAs (ALE-seq) identifies two active Oryco LTR retrotransposons in the rice cultivar Dongjin.Mobile DNA · 2022Article
- Comparative Genomics: Insights on the Pathogenicity and Lifestyle ofInternational journal of molecular sciences · 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
- Low Long Terminal Repeat (LTR)-Retrotransposon Expression in Leaves of the Marine PhanerogamLife (Basel, Switzerland) · 2020Article
- A computational genome-wide analysis of long terminal repeats retrotransposon expression in sunflower roots (Helianthus annuus L.).Genetica · 2020Article
- Arbuscular mycorrhizal fungi induce the expression of specific retrotransposons in roots of sunflower (Helianthus annuus L.).PloS one · 2019Article
- Specific LTR-Retrotransposons Show Copy Number Variations between Wild and Cultivated Sunflowers.Genes · 2018Article
- Genomic abundance and transcriptional activity of diverse gypsy and copia long terminal repeat retrotransposons in three wild sunflower species.BMC plant biology · 2018Article
- Genome-wide analysis of LTR-retrotransposon diversity and its impact on the evolution of the genus Helianthus (L.).BMC genomics · 2017Article
- Article
- Recent and dynamic transposable elements contribute to genomic divergence under asexuality.BMC genomics · 2016Article
- Long Terminal Repeat Retrotransposon Content in Eight Diploid Sunflower Species Inferred from Next-Generation Sequence Data.G3 (Bethesda, Md.) · 2016Article
- Repetitive DNA and Plant Domestication: Variation in Copy Number and Proximity to Genes of LTR-Retrotransposons among Wild and Cultivated Sunflower (Helianthus annuus) Genotypes.Genome biology and evolution · 2015Article
- Sequence-Based Analysis of Structural Organization and Composition of the Cultivated Sunflower (Helianthus annuus L.) Genome.Biology · 2014Article
- The repetitive component of the sunflower genome as shown by different procedures for assembling next generation sequencing reads.BMC genomics · 2013Article
- Transcriptional dynamics of LTR retrotransposons in early generation and ancient sunflower hybrids.Genome biology and evolution · 2013Article
- Temporal dynamics in the evolution of the sunflower genome as revealed by sequencing and annotation of three large genomic regions.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRetrotransposons are heterogeneous sequences, widespread in eukaryotic genomes, which refer to the so-called mobile DNA. They resemble retroviruses, both in their structure and for their ability to transpose within the host genome, of which they make up a considerable portion. Copia- and Gypsy-like retrotransposons are the two main classes of retroelements shown to be ubiquitous in plant genomes. Ideally, the retrotransposons life cycle results in the synthesis of a messenger RNA and then self-encoded proteins to process retrotransposon mRNA in double stranded extra-chromosomal cDNA copies which may integrate in new chromosomal locations.
resultsThe RT-PCR and IRAP protocol were applied to detect the presence of Copia and Gypsy retrotransposon transcripts and of new events of integration in unstressed plants of a sunflower (Helianthus annuus L.) selfed line. Results show that in sunflower retrotransposons transcription occurs in all analyzed organs (embryos, leaves, roots, and flowers). In one out of sixty-four individuals analyzed, retrotransposons transcription resulted in the integration of a new element into the genome.
conclusionThese results indicate that the retrotransposon life cycle is firmly controlled at a post transcriptional level. A possible silencing mechanism is discussed.
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