ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2010
FIDEL-a retrovirus-like retrotransposon and its distinct evolutionary histories in the A- and B-genome components of cultivated peanut.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 50 citations in OpenAlex.
- Surprisingly frequent chromosomal instability in cultivated peanut.The Plant journal : for cell and molecular biology · 2025Article
- Comparative repeatome analysis reveals new evidence on genome evolution in wild diploid Arachis (Fabaceae) species.Planta · 2022Article
- Physical mapping of repetitive oligonucleotides facilitates the establishment of a genome map-based karyotype to identify chromosomal variations in peanut.BMC plant biology · 2021Article
- Heterochromatin evolution in Arachis investigated through genome-wide analysis of repetitive DNA.Planta · 2019Article
- High-resolution chromosome painting with repetitive and single-copy oligonucleotides in Arachis species identifies structural rearrangements and genome differentiation.BMC plant biology · 2018Article
- The genome structure ofComparative cytogenetics · 2018Article
- Genome Sequencing and Analysis of the Peanut B-Genome Progenitor (Frontiers in plant science · 2018Article
- Evolutionary dynamics of an at-rich satellite DNA and its contribution to karyotype differentiation in wild diploid Arachis species.Molecular genetics and genomics : MGG · 2017Article
- The genome sequences of Arachis duranensis and Arachis ipaensis, the diploid ancestors of cultivated peanut.Nature genetics · 2016Article
- Article
- The Tvv1 retrotransposon family is conserved between plant genomes separated by over 100 million years.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Article
- The repetitive component of the A genome of peanut (Arachis hypogaea) and its role in remodelling intergenic sequence space since its evolutionary divergence from the B genome.Annals of botany · 2013Article
- Integrated consensus map of cultivated peanut and wild relatives reveals structures of the A and B genomes of Arachis and divergence of the legume genomes.DNA research : an international journal for rapid publication of reports on genes and genomes · 2013Article
- A study of the relationships of cultivated peanut (Arachis hypogaea) and its most closely related wild species using intron sequences and microsatellite markers.Annals of botany · 2013Article
- Global transcriptome analysis of two wild relatives of peanut under drought and fungi infection.BMC genomics · 2012Article
- Characterization of active miniature inverted-repeat transposable elements in the peanut genome.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2012Article
- Matita, a new retroelement from peanut: characterization and evolutionary context in the light of the Arachis A-B genome divergence.Molecular genetics and genomics : MGG · 2012Article
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Authors and funding
8 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this paper, we describe a Ty3-gypsy retrotransposon from allotetraploid peanut (Arachis hypogaea) and its putative diploid ancestors Arachis duranensis (A-genome) and Arachis ipaënsis (B-genome). The consensus sequence is 11,223 bp. The element, named FIDEL (Fairly long Inter-Dispersed Euchromatic LTR retrotransposon), is more frequent in the A- than in the B-genome, with copy numbers of about 3,000 (+/-950, A. duranensis), 820 (+/-480, A. ipaënsis), and 3,900 (+/-1,500, A. hypogaea) per haploid genome. Phylogenetic analysis of reverse transcriptase sequences showed distinct evolution of FIDEL in the ancestor species. Fluorescent in situ hybridization revealed disperse distribution in euchromatin and absence from centromeres, telomeric regions, and the nucleolar organizer region. Using paired sequences from bacterial artificial chromosomes, we showed that elements appear less likely to insert near conserved ancestral genes than near the fast evolving disease resistance gene homologs. Within the Ty3-gypsy elements, FIDEL is most closely related with the Athila/Calypso group of retrovirus-like retrotransposons. Putative transmembrane domains were identified, supporting the presence of a vestigial envelope gene. The results emphasize the importance of FIDEL in the evolution and divergence of different Arachis genomes and also may serve as an example of the role of retrotransposons in the evolution of legume genomes in general.
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