ArticleGenetics and molecular biology
Repetitive DNAs and shrink genomes: A chromosomal analysis in nine Columbidae species (Aves, Columbiformes).
Article in Genetics and molecular biology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 26 citations in OpenAlex.
- Article
- Review
- Insights into avian molecular cytogenetics-with reptilian comparisons.Molecular cytogenetics · 2024Review
- Comprehensive Comparative Analysis Sheds Light on the Patterns of Microsatellite Distribution across Birds Based on the Chromosome-Level Genomes.Animals : an open access journal from MDPI · 2023Article
- Karyotype Evolution and Genomic Organization of Repetitive DNAs in the Saffron Finch,Animals : an open access journal from MDPI · 2021Article
- Chromosomal Analysis inCells · 2020Article
- A Comprehensive Cytogenetic Analysis of Several Members of the Family Columbidae (Aves, Columbiformes).Genes · 2020Article
- Heterochromatin and microsatellites detection in karyotypes of four sea turtle species: Interspecific chromosomal differences.Genetics and molecular biology · 2020Article
- The distribution of 45S rDNA sites in bird chromosomes suggests multiple evolutionary histories.Genetics and molecular biology · 2020Article
- Article
- Comparative chromosome painting in Columbidae (Columbiformes) reinforces divergence in Passerea and Columbea.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2018Article
- Review
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Authors and funding
9 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An extensive karyotype variation is found among species belonging to the Columbidae family of birds (Columbiformes), both in diploid number and chromosomal morphology. Although clusters of repetitive DNA sequences play an important role in chromosomal instability, and therefore in chromosomal rearrangements, little is known about their distribution and amount in avian genomes. The aim of this study was to analyze the distribution of 11 distinct microsatellite sequences, as well as clusters of 18S rDNA, in nine different Columbidae species, correlating their distribution with the occurrence of chromosomal rearrangements. We found 2n values ranging from 76 to 86 and nine out of 11 microsatellite sequences showed distinct hybridization signals among the analyzed species. The accumulation of microsatellite repeats was found preferentially in the centromeric region of macro and microchromosomes, and in the W chromosome. Additionally, pair 2 showed the accumulation of several microsatellites in different combinations and locations in the distinct species, suggesting the occurrence of intrachromosomal rearrangements, as well as a possible fission of this pair in Geotrygon species. Therefore, although birds have a smaller amount of repetitive sequences when compared to other Tetrapoda, these seem to play an important role in the karyotype evolution of these species.
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