ArticleGenetica2011
Evolutionary dynamics of heterochromatin in the genome of Dichotomius beetles based on chromosomal analysis.
Article in Genetica, 2011. 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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Who cites it
17 citing papers in PubMed, 29 citations in OpenAlex.
- Molecular cytogenetics provides insights into heterochromatin composition and karyotypic evolution in species of the Plebeia group (Apidae: Meliponini).Molecular cytogenetics · 2026Article
- Multiple heterochromatin diversification events in the genome of fungus-farming ants: insights from repetitive sequences.Chromosoma · 2022Article
- Comprehensive mapping of transposable elements reveals distinct patterns of element accumulation on chromosomes of wild beetles.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2021Article
- Diverse mobilome of Dichotomius (Luederwaldtinia) schiffleri (Coleoptera: Scarabaeidae) reveals long-range horizontal transfer events of DNA transposons.Molecular genetics and genomics : MGG · 2020Article
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- Chromosomal study of Khawia abbottinae (Cestoda: Caryophyllidea): karyotype and localization of telomeric and ribosomal sequences after fluorescence in situ hybridization (FISH).Parasitology research · 2019Article
- Isolation of a Pericentromeric Satellite DNA Family inInsects · 2019Article
- The roles of barriers, refugia, and chromosomal clines underlying diversification in Atlantic Forest social wasps.Scientific reports · 2017Article
- Organization of some repetitive DNAs and B chromosomes in the grasshopper Eumastusia koebelei koebelei (Rehn, 1909) (Orthoptera, Acrididae, Leptysminae).Comparative cytogenetics · 2016Article
- Repetitive sequences: the hidden diversity of heterochromatin in prochilodontid fish.Comparative cytogenetics · 2015Article
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- Chromosomal organization and evolutionary history of Mariner transposable elements in Scarabaeinae coleopterans.Molecular cytogenetics · 2013Article
- Chromosomal diversification of diploid number, heterochromatin and rDNAs in two species of Phanaeus beetles (Scarabaeidae, Scarabaeinae).Genetics and molecular biology · 2013Article
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- Characterization and chromosomal mapping of the DgmarMITE transposon in populations of Dichotomius (Luederwaldtinia) sericeus species complex (Coleoptera: Scarabaeidae).Genetics and molecular biologyArticle
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We comparatively analyzed six Dichotomius species (Coleoptera: Scarabainae) through cytogenetic methods and mitochondrial genes sequencing in the aim to identify patterns of chromosomal evolution and heterochromatin differentiation in the group. The chromosomal data were accessed through the classical analysis of heterochromatin and mapping of high and moderately repeated DNAs (C (0) t-1 DNA fraction). Mitochondrial data were obtained from nucleotide sequences of the cytochrome oxidase I (COI) and 16S rRNA genes. The heterochromatin distribution was conserved but revealed variability in the base pair richness and repetitive DNA content, and an intense turnover of heterochromatic associated sequences seems to have occurred during Dichotomius speciation. Specifically for D. bos, an interesting pattern was observed, indicating apparently the presence of heterochromatic sequences composed of low copy-number sequences. Moreover, highly conserved terminal/sub-terminal sequences that could act as a telomeric or telomere-associated DNA were observed. The heterochromatin diversification patterns observed in Dichotomius were not accomplished by the diversification of the species studied, which may be a consequence of the intense dynamics that drive the evolution of repeated DNA clusters in the genome. Finally our findings also suggest that the use of C (0) t-1 DNA fraction represents a powerful, inexpensive and not time consuming tool to be applied in understanding heterochromatin and repetitive DNA organization.
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