ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2011
Temporal dynamics in the evolution of the sunflower genome as revealed by sequencing and annotation of three large genomic regions.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 35 citations in OpenAlex.
- Chromosome-level genome assembly of the alpine extremophyte Tibetan snow lotus, Saussurea hypsipeta Diels.Scientific data · 2026Article
- Connecting Epigenetic and Genetic Diversity of LTR Retrotransposons in Sunflower (Plants (Basel, Switzerland) · 2026Article
- Annotation of Siberian Larch (Plants (Basel, Switzerland) · 2022Article
- Characterisation of LTR-Retrotransposons ofInternational journal of molecular sciences · 2022Article
- In Silico Genome-Wide Characterisation of the Lipid Transfer Protein Multigenic Family in Sunflower (Plants (Basel, Switzerland) · 2022Article
- De novo whole-genome assembly of Chrysanthemum makinoi, a key wild chrysanthemum.G3 (Bethesda, Md.) · 2022Article
- The Singular Evolution ofFrontiers in plant science · 2022Article
- CSN improves seed vigor of aged sunflower seeds by regulating the fatty acid, glycometabolism, and abscisic acid metabolism.Journal of advanced research · 2021Article
- High Drying Temperature Accelerates Sunflower Seed Deterioration by Regulating the Fatty Acid Metabolism, Glycometabolism, and Abscisic Acid/Gibberellin Balance.Frontiers in plant science · 2021Article
- 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
- 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
- Evolutionary transitions in the Asteraceae coincide with marked shifts in transposable element abundance.BMC genomics · 2015Article
- LTR retrotransposon dynamics in the evolution of the olive (Olea europaea) genome.DNA research : an international journal for rapid publication of reports on genes and genomes · 2015Article
- The repetitive component of the sunflower genome as shown by different procedures for assembling next generation sequencing reads.BMC genomics · 2013Article
- Positional cloning of a candidate gene for resistance to the sunflower downy mildew, Plasmopara halstedii race 300.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2013Article
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Improved knowledge of genome composition, especially of its repetitive component, generates important informations in both theoretical and applied research. In this study, we provide the first insight into the local organization of the sunflower genome by sequencing and annotating 349,380 bp from 3 BAC clones, each including one single-copy gene. These analyses resulted in the identification of 11 putative gene sequences, 18 full-length LTR retrotransposons, 6 incomplete LTR retrotransposons, 2 non-autonomous LTR-retroelements (LINEs), 2 putative DNA transposons fragments and one putative helitron. Among LTR-retrotransposons, non-autonomous elements (the so-called LARDs), which do not carry any protein-encoding sequence, were discovered for the first time in the sunflower. The insertion time of intact retroelements was measured, based on sister LTRs divergence. All isolated elements were inserted relatively recently, especially those belonging to the Gypsy superfamily. Retrotransposon families related to those identified in the BAC clones are present also in other species of Helianthus, both annual and perennial, and even in other Asteraceae. In one of the three BAC clones, we found five copies of a lipid transfer protein (LTP) encoding gene within less than 100,000 bp, four of which are potentially functional. Two of these are interrupted by LTR retrotransposons, in the intron and in the coding sequence, respectively. The divergence between sister LTRs of the retrotransposons inserted within the genes indicates that LTP gene duplication started earlier than 1.749 MYRS ago. On the whole, the results reported in this study confirm that the sunflower is an excellent system to study transposons dynamics and evolution.
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