ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2005
Characterization and evolutionary dynamics of a complex family of satellite DNA in the leaf beetle Chrysolina carnifex (Coleoptera, Chrysomelidae).
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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20 citing papers in PubMed, 36 citations in OpenAlex.
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- Sequence, Chromatin and Evolution of Satellite DNA.International journal of molecular sciences · 2021Review
- Satellitome Analysis in the Ladybird BeetleGenes · 2020Article
- Isolation of a Pericentromeric Satellite DNA Family inInsects · 2019Article
- Comparative Analysis of Repetitive DNA between the Main Vectors of Chagas Disease: Triatoma infestans and Rhodnius prolixus.International journal of molecular sciences · 2018Article
- Regular Higher Order Repeat Structures in Beetle Tribolium castaneum Genome.Genome biology and evolution · 2017Article
- Holocentric chromosome evolution in kissing bugs (Hemiptera: Reduviidae: Triatominae): diversification of repeated sequences.Parasites & vectors · 2017Article
- 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
- Comparative repeatome analysis on Triatoma infestans Andean and Non-Andean lineages, main vector of Chagas disease.PloS one · 2017Article
- Evolutionary history of the Azteca-like mariner transposons and their host ants.Die Naturwissenschaften · 2015Article
- Molecular cytogenetic studies in the ladybird beetle Henosepilachnaargus Geoffroy, 1762 (Coleoptera, Coccinellidae, Epilachninae).Comparative cytogenetics · 2015Article
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- The ant genomes have been invaded by several types of mariner transposable elements.Die Naturwissenschaften · 2012Article
- B chromosome in the beetle Coprophanaeus cyanescens (Scarabaeidae): emphasis in the organization of repetitive DNA sequences.BMC genetics · 2012Article
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4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The present study characterizes the complex satellite DNA from the specialized phytophagous beetle species Chrysolina carnifex. The satellite DNA is formed by six monomer types, partially homologous but having diverged enough to be separate on the phylogenetic trees, since each monomer type is located on a different branch, having statistically significant bootstrap values. Its analysis suggests a common evolutionary origin of all monomers from the same 211-bp sequence mainly by means of base-substitution mutations evolutionarily fixed to each monomer type and duplications and/or deletions of pre-existing segments in the 211-bp sequence. The analysis of the sequences and Southern hybridizations suggest that the monomers are organized in three types of repeats: monomers (211-bp) and higher-order repeats in the form of dimers (477-bp) or even trimers (633-bp). These repetitive units are not isolated from others, and do not present the pattern characteristic for the regular tandem arrangement of satellite DNA. In-situ hybridization with biotinylated probes corresponding to the three types of repeats showed the pericentromeric location of these sequences in all meiotic bivalents, coinciding with the heterochromatic blocks revealed by C-banding, indicating in addition that each type of repeat is neither isolated from others nor located in specific chromosomes but rather that they are intermixed in the heterochromatic regions. The presence of this repetitive DNA in C. haemoptera, C. bankii and C. americana was also tested by Southern analysis. The results show that this satellite DNA sequence is specific to the C. carnifex genome but has not been found in three other species of Chrysolina occupying similar or different host plants.
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