ArticleMolecular genetics and genomics : MGG2016
Origin of B chromosomes in the genus Astyanax (Characiformes, Characidae) and the limits of chromosome painting.
Article in Molecular genetics and genomics : MGG, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
16 citing papers in PubMed, 30 citations in OpenAlex.
- Article
- Article
- Article
- B Chromosomes inAnimals : an open access journal from MDPI · 2022Review
- Comprehending the dynamism of B chromosomes in their journey towards becoming unselfish.Frontiers in cell and developmental biology · 2022Review
- Long-term persistence of supernumerary B chromosomes in multiple species of Astyanax fish.BMC biology · 2021Article
- A Long-Term Conserved Satellite DNA That Remains Unexpanded in Several Genomes of Characiformes Fish Is Actively Transcribed.Genome biology and evolution · 2021Article
- Meiotic self-pairing of the Psalidodon (Characiformes, Characidae) iso-B chromosome: A successful perpetuation mechanism.Genetics and molecular biology · 2021Article
- Establishment of rapid and non-invasive protocols to identify B-carrying individuals of Psalidodon paranae.Genetics and molecular biology · 2021Article
- Article
- Review
- High-throughput analysis unveils a highly shared satellite DNA library among three species of fish genus Astyanax.Scientific reports · 2017Article
- B chromosomes: from cytogenetics to systems biology.Chromosoma · 2017Review
- Origin of B chromosomes inComparative cytogenetics · 2017Article
- B chromosome dynamics inComparative cytogenetics · 2017Article
- A Glimpse into the Satellite DNA Library in Characidae Fish (Teleostei, Characiformes).Frontiers in genetics · 2017Article
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Authors and funding
11 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Eukaryote genomes are frequently burdened with the presence of supernumerary (B) chromosomes. Their origin is frequently investigated by chromosome painting, under the hypothesis that sharing the repetitive DNA sequences contained in the painting probes is a sign of common descent. However, the intragenomic mobility of many anonymous DNA sequences contained in these probes (e.g., transposable elements) adds high uncertainty to this conclusion. Here we test the validity of chromosome painting to investigate B chromosome origin by comparing its results for seven B chromosome types in two fish species genus Astyanax, with those obtained (1) by means of the physical mapping of 18S ribosomal DNA (rDNA), H1 histone genes, the As51 satellite DNA and the (AC)15 microsatellite, and (2) by comparing the nucleotide sequence of one of these families (ITS regions from ribosomal DNA) between genomic DNA from B-lacking individuals in both species and the microdissected DNA from two metacentric B chromosomes found in these same species. Intra- and inter-specific painting suggested that all B chromosomes that were assayed shared homologous DNA sequences among them, as well as with a variable number of A chromosomes in each species. This finding would be consistent with a common origin for all seven B chromosomes analyzed. By contrast, the physical mapping of repetitive DNA sequences failed to give support to this hypothesis, as no more than two B-types shared a given repetitive DNA. Finally, sequence analysis of the ITS regions suggested that at least some of the B chromosomes could have had a common origin.
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