ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2002
Higher-order organization and compartmentalization of satellite DNA PIM357 in species of the coleopteran genus Pimelia.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Different behaviour of C-banded peri-centromeric heterochromatin between sex chromosomes and autosomes in Polyphagan beetles.Comparative cytogenetics · 2019Article
- Regular Higher Order Repeat Structures in Beetle Tribolium castaneum Genome.Genome biology and evolution · 2017Article
- A Glimpse into the Satellite DNA Library in Characidae Fish (Teleostei, Characiformes).Frontiers in genetics · 2017Article
- 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
- Characterization and evolutionary dynamics of a complex family of satellite DNA in the leaf beetle Chrysolina carnifex (Coleoptera, Chrysomelidae).Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2005Article
- A lineage-specific centromeric satellite sequence in the genus Trifolium.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2004Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The PIM357 satellite DNA family is present in 26 Pimelia taxa (Tenebrionidae, Coleoptera) with endemic congeneric species from the Canary Islands showing higher interrepeat variability than continental ones. In this paper, we compare the repetitive DNA sequences of a Canarian species that has distinct subfamilies of repeat units, P. radula ascendens, with another without such subfamilies, P. sparsa sparsa. The chromosomal localization of the repeat units and the comparison of the variability of randomly cloned monomers to the one estimated by comparing repeat units from dimers and trimers suggest the absence of satellite subfamilies in P. sparsa sparsa. Hence, the repeat units of this species seem to be uniformly and randomly distributed throughout all chromosomes out of one chromosomal pair. On the contrary, P. radula ascendens shows four divergent subfamilies of repeat units supported by several diagnostic nucleotide substitutions. These subfamilies seem to form four distinct repeat units: monomer subfamily 1, monomer subfamily 4 and two higher-order units (dimer linking subfamily 1 and 4, and dimer linking subfamily 2 and 3). Moreover, monomers of subfamily 1 are present in three chromosomal pairs only. We discuss the effect of different potential factors acting in the concerted evolution and the genomic organization of stDNA sequences in these taxa.
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