ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2015
The puzzling character of repetitive DNA in Phodopus genomes (Cricetidae, Rodentia).
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2015. 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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18 citing papers in PubMed, 27 citations in OpenAlex.
- Article
- Expansion of satellite DNAs derived from transposable elements in beetles with reduced diploid numbers.Heredity · 2025Article
- Repetitive DNAs and Karyotype Evolution in Phyllostomid Bats (Chiroptera: Phyllostomidae).Biomolecules · 2025Article
- Repeatome landscapes and cytogenetics of hortensias provide a framework to trace Hydrangea evolution and domestication.Annals of botany · 2025Article
- The burst of satellite DNA in Leptidea wood white butterflies and their putative role in karyotype evolution.DNA research : an international journal for rapid publication of reports on genes and genomes · 2024Article
- Repetitive DNAs and chromosome evolution in Megaleporinus obtusidens and M. reinhardti (Characiformes: Anostomidae).Genetica · 2024Article
- Three recent sex chromosome-to-autosome fusions in a Drosophila virilis strain with high satellite DNA content.Genetics · 2023Article
- Article
- Review
- De Novo-Whole Genome Assembly of the Roborovski Dwarf Hamster (Phodopus roborovskii) Genome: An Animal Model for Severe/Critical COVID-19.Genome biology and evolution · 2022Article
- LINE-1 and SINE-B1 mapping and genome diversification inLife science alliance · 2022Article
- Satellite DNA-like repeats are dispersed throughout the genome of the Pacific oyster Crassostrea gigas carried by Helentron non-autonomous mobile elements.Scientific reports · 2020Article
- Conversion of DNA Sequences: From a Transposable Element to a Tandem Repeat or to a Gene.Genes · 2019Review
- Article
- The satellite DNA AflaSAT-1 in the A and B chromosomes of the grasshopper Abracris flavolineata.BMC genetics · 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
- LINE-1 distribution in six rodent genomes follow a species-specific pattern.Journal of genetics · 2016Article
- Repetitive DNA in eukaryotic genomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2015Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Three novel repetitive DNA sequences are described, presenting a similar heterochromatic chromosomal location in two hamster species: Phodopus roborovskii and Phodopus sungorus (Cricetidae, Rodentia). Namely, two species-specific repetitive sequences (PROsat from P. roborovskii and PSUchr1sat from P. sungorus) surrounding a third one (PsatDNA), that is shared by both hamster genomes. Fiber-FISH analyses revealed that PROsat intermingles with PsatDNA in P. roborovskii and PSUchr1sat intermingles with PsatDNA in P. sungorus. A model explaining the evolution of this intricate chromosomal distribution is proposed, which can explain better the evolution of these very derivative genomes (in comparison to the ancestral Muroidea). The most plausible evolutionary scenario seems to be the expansion of a number of repeats into other's domain, most probably resulting in its intermingling, followed by the subsequent spread of these complex repeats from a single chromosomal location to other chromosomes. Evidences of an association between repetitive sequences and the chromosome evolution process were observed, namely for PROsat. Most probably, the evolutionary breakpoints that shaped PRO and PSU chromosomes (pericentric inversions and fusions) occurred within the boundaries of PROsat blocks in the ancestor. The repeats high diversity at the heterochromatic regions of Phodopus chromosomes, together with its complex organization, suggests that these species are important models for evolutionary studies, namely in the investigation of a possible relationship between repetitive sequences and the occurrence of chromosomal rearrangements and consequently, in genome evolution.
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