ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2015
Evolutionary dynamics of two satellite DNA families in rock lizards of the genus Iberolacerta (Squamata, Lacertidae): different histories but common traits.
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 14 papers.
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14 citing papers in PubMed, 25 citations in OpenAlex.
- Mixed modes of satellite DNA and transposable element evolution, which shape the repetitive landscape of air-breathing catfishes (Clarias).Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2026Article
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- Chromosome evolution in Iberolacerta, a genus that deviates from the standard karyotype formula of Lacertidae.Genetica · 2023Article
- Conservation of Major Satellite DNAs in Snake Heterochromatin.Animals : an open access journal from MDPI · 2023Article
- Review
- Amplified Fragments of an Autosome-Borne Gene Constitute a Significant Component of the W Sex Chromosome ofGenes · 2021Article
- Review
- Eight Million Years of Satellite DNA Evolution in Grasshoppers of the Genus Schistocerca Illuminate the Ins and Outs of the Library Hypothesis.Genome biology and evolution · 2020Article
- Review
- Conservation, Divergence, and Functions of Centromeric Satellite DNA Families in the Bovidae.Genome biology and evolution · 2019Article
- Rates and Patterns of Mutation in Tandem Repetitive DNA in Six Independent Lineages of Chlamydomonas reinhardtii.Genome biology and evolution · 2018Article
- Lack of satellite DNA species-specific homogenization and relationship to chromosomal rearrangements in monitor lizards (Varanidae, Squamata).BMC evolutionary biology · 2017Article
- Diversity and distribution of alpha satellite DNA in the genome of an Old World monkey: Cercopithecus solatus.BMC genomics · 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
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Satellite DNAs compose a large portion of all higher eukaryotic genomes. The turnover of these highly repetitive sequences is an important element in genome organization and evolution. However, information about the structure and dynamics of reptilian satellite DNA is still scarce. Two satellite DNA families, HindIII and TaqI, have been previously characterized in four species of the genus Iberolacerta. These families showed different chromosomal locations, abundances, and evolutionary rates. Here, we extend the study of both satellite DNAs (satDNAs) to the remaining Iberolacerta species, with the aim to investigate the patterns of variability and factors influencing the evolution of these repetitive sequences. Our results revealed disparate patterns but also common traits in the evolutionary histories of these satellite families: (i) each satellite DNA is made up of a library of monomer variants or subfamilies shared by related species; (ii) species-specific profiles of satellite repeats are shaped by expansions and/or contractions of different variants from the library; (iii) different turnover rates, even among closely related species, result in great differences in overall sequence homogeneity and in concerted or non-concerted evolution patterns, which may not reflect the phylogenetic relationships among taxa. Contrasting turnover rates are possibly related to genomic constraints such as karyotype architecture and the interspersed organization of diverging repeat variants in satellite arrays. Moreover, rapid changes in copy number, especially in the centromeric HindIII satDNA, may have been associated with chromosomal rearrangements and even contributed to speciation within Iberolacerta.
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