ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2000
A novel interspersed type of organization of satellite DNAs in Tribolium madens heterochromatin.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 34 citations in OpenAlex.
- Tribolium madens satellitome reveals a network of highly abundant satellite DNAs in megabase-sized regions hallmarked by macro-dyad symmetries.Genome biology · 2026Article
- Dynamic evolution of satellite DNAs drastically differentiates the genomes ofGenome research · 2025Article
- Review
- Variable Rates of Simple Satellite Gains across the Drosophila Phylogeny.Molecular biology and evolution · 2018Article
- Dissecting the Satellite DNA Landscape in Three CactophilicG3 (Bethesda, Md.) · 2017Article
- Article
- High-throughput analysis of the satellitome revealed enormous diversity of satellite DNAs in the neo-Y chromosome of the cricket Eneoptera surinamensis.Scientific reports · 2017Article
- Genome-wide analysis of tandem repeats in Tribolium castaneum genome reveals abundant and highly dynamic tandem repeat families with satellite DNA features in euchromatic chromosomal arms.DNA research : an international journal for rapid publication of reports on genes and genomes · 2015Article
- Centromere identity from the DNA point of view.Chromosoma · 2014Review
- Structure and population dynamics of the major satellite DNA in the red flour beetle Tribolium castaneum.Genetica · 2011Article
- Sequence analysis, chromosomal distribution and long-range organization show that rapid turnover of new and old pBuM satellite DNA repeats leads to different patterns of variation in seven species of the Drosophila buzzatii cluster.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2008Article
- Preservation and high sequence conservation of satellite DNAs suggest functional constraints.Journal of molecular evolution · 2005Article
- Long inversely oriented subunits form a complex monomer of Tribolium brevicornis satellite DNA.Journal of molecular evolution · 2005Article
- Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Analysis of arrangement of satellite DNA sequences in Tribolium madens (Insecta, Coleoptera) by Southern analysis of pulsed-field blots and two colour FISH on extended chromosomes and DNA fibres revealed a novel type of heterochromatin organization. Two satellite DNAs, distributed over the whole pericentromeric heterochromatin of all chromosomes form clusters, ranging in size from 150 kb up to several Mb. Within the clusters, both satellites are in the form of highly interspersed, short homogeneous arrays which vary in size with a lowest length limit of only few kb. The longest arrays composed of a single satellite are relatively short, up to 70 kb for satellite I, and up to 45 kb for satellite II. Only a small fraction of about 15% of satellite II is organized in long tandem repeats, while the rest is in the form of only a few repeats intermingled with satellite I. The results indicate that large clusters composed of interspersed arrays of both satellites represent a major component of T. madens heterochromatin, which is mostly devoid of long regions of other sequences. The same organizational pattern probably also includes a region of the functional centromere. We propose that such an organizational pattern of DNA sequences in heterochromatin might be common in genomes characterized by a high rate of interchromosomal exchange. This pattern of organization is different from that in other animal as well as plant species analysed up to now, in which every satellite in heterochromatin is organized in a small number of large separate domains.
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