ArticleFrontiers in plant science2013
The Subtelomeric khipu Satellite Repeat from Phaseolus vulgaris: Lessons Learned from the Genome Analysis of the Andean Genotype G19833.
Article in Frontiers in plant science, 2013. 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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Who cites it
18 citing papers in PubMed.
- The I gene defines a dynamic NLR cluster conferring broad potyvirus resistance in common bean.Nature communications · 2026Article
- Regional heritability mapping reveals genomic regions and candidate defense genes for multi-race anthracnose resistance in Phaseolus vulgaris.Scientific reports · 2026Article
- Fine-mapping and evolutionary history of R-BPMV, a dominant resistance gene to Bean pod mottle virus in Phaseolus vulgaris L.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Telomerase-independent survival leads to a mosaic of complex subtelomere rearrangements inGenome research · 2023Article
- Article
- Architecture and evolution of subtelomeres in the unicellular green alga Chlamydomonas reinhardtii.Nucleic acids research · 2021Article
- Cytogenomics ofPlants (Basel, Switzerland) · 2021Article
- The Evolutionary Dynamics of Repetitive DNA and Its Impact on the Genome Diversification in the GenusFrontiers in plant science · 2021Article
- Article
- The Repetitive DNA Composition in the Natural Pesticide ProducerFrontiers in plant science · 2019Article
- Genomic and epigenomic immunity in common bean: the unusual features of NB-LRR gene family.DNA research : an international journal for rapid publication of reports on genes and genomes · 2018Article
- Common Bean Subtelomeres Are Hot Spots of Recombination and Favor Resistance Gene Evolution.Frontiers in plant science · 2018Article
- Organization and evolution of four differentially amplified tandem repeats in the Cucumis hystrix genome.Planta · 2017Article
- Satellite DNA: An Evolving Topic.Genes · 2017Review
- Evolutionary dynamics of satellite DNA repeats from Phaseolus beans.Protoplasma · 2017Article
- Fluorescence In Situ Hybridization (FISH)-Based Karyotyping Reveals Rapid Evolution of Centromeric and Subtelomeric Repeats in Common Bean (Phaseolus vulgaris) and Relatives.G3 (Bethesda, Md.) · 2016Article
- The Co-4 locus on chromosome Pv08 contains a unique cluster of 18 COK-4 genes and is regulated by immune response in common bean.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2015Article
- Intra- and interchromosomal rearrangements between cowpea [Vigna unguiculata (L.) Walp.] and common bean (Phaseolus vulgaris L.) revealed by BAC-FISH.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2015Article
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10 authors.
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Abstract
Subtelomeric regions in eukaryotic organisms are known for harboring species-specific tandemly repeated satellite sequences. However, studies on the molecular organization and evolution of subtelomeric repeats are scarce, especially in plants. Khipu is a satellite DNA of 528-bp repeat unit, specific of the Phaseolus genus, with a subtelomeric distribution in common bean, P. vulgaris. To investigate the genomic organization and the evolution of khipu, we performed genome-wide analysis on the complete genome sequence of the common bean genotype G19833. We identified 2,460 khipu units located at most distal ends of the sequenced regions. Khipu units are arranged in discrete blocks of 2-55 copies and are heterogeneously distributed among the different chromosome ends of G19833 (from 0 to 555 khipus units per chromosome arm). Phylogenetically related khipu units are spread between numerous chromosome ends, suggesting frequent exchanges between non-homologous subtelomeres. However, most subclades contain numerous khipu units from only one or few chromosome ends indicating that local duplication is also driving khipu expansion. Unexpectedly, we also identified 81 khipu units located at centromeres. All the centromeric khipu units belong to a single divergent clade also comprised of a few units from several subtelomeres, suggesting that a few sequence exchanges between centromeres and subtelomeres took place in the common bean genome. The divergence and low copy number of these centromeric units from the subtelomeric units could explain why they were not detected by FISH (Fluorescence in situ Hybridization) although it can not be excluded that these centromeric units may have resulted from errors in the pseudomolecule assembly. Altogether our data highlight extensive sequence exchanges in subtelomeres between non-homologous chromosomes in common bean and confirm that subtelomeres represent one of the most dynamic and rapidly evolving regions in eukaryotic genomes.
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