ArticlePloS one2013
Chromosomal Mapping of Repetitive DNAs in the Grasshopper Abracris flavolineata Reveal Possible Ancestry of the B Chromosome and H3 Histone Spreading.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers.
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57 citing papers in PubMed, 102 citations in OpenAlex.
- Review
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- The Dynamic Interplay Between Ribosomal DNA and Transposable Elements: A Perspective From Genomics and Cytogenetics.Molecular biology and evolution · 2024Article
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- The Role of Repetitive Sequences in Repatterning of Major Ribosomal DNA Clusters in Lepidoptera.Genome biology and evolution · 2023Article
- Chromosome analysis and the occurrence of B chromosomes in fish parasite Acanthocephalus anguillae (Palaeacanthocephala: Echinorhynchida).Parasite (Paris, France) · 2023Article
- Consequences of polyploidy and divergence as revealed by cytogenetic mapping of tandem repeats in African clawed frogs (European journal of wildlife research · 2023Article
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- Satellitome Analysis and Transposable Elements Comparison in Geographically Distant Populations ofLife (Basel, Switzerland) · 2022Article
- Karyotype description and comparative chromosomal mapping of rDNA and U2 snDNA sequences inComparative cytogenetics · 2022Article
- Out of patterns, the euchromatic B chromosome of the grasshopper Abracris flavolineata is not enriched in high-copy repeats.Heredity · 2021Article
- Comparative Analysis of Transposable Elements in GenusInsects · 2021Article
- Differential expression of miRNAs in the presence of B chromosome in the cichlid fish Astatotilapia latifasciata.BMC genomics · 2021Article
- Cytogenetic analysis of the genus Thoropa Cope, 1865 (Anura-Cycloramphidae) with evolutionary inferences based on repetitive sequences.Genetics and molecular biology · 2020Article
- Evolutionary insights in Amazonian turtles (Testudines, Podocnemididae): co-location of 5S rDNA and U2 snRNA and wide distribution of Tc1/Mariner.Biology open · 2020Article
- Article
- Genome Size of 17 Species From Caelifera (Orthoptera) and Determination of Internal Standards With Very Large Genome Size in Insecta.Frontiers in physiology · 2020Article
- Molecular cytogenetic analyses reveal extensive chromosomal rearrangements and novel B chromosomes in Moenkhausia (Teleostei, Characidae).Genetics and molecular biology · 2020Article
- Wide dispersion of B chromosomes in Rhammatocerus brasiliensis (Orthoptera, Acrididae).Genetics and molecular biology · 2020Article
- De novo genome assembly of the cichlid fish Astatotilapia latifasciata reveals a higher level of genomic polymorphism and genes related to B chromosomes.Chromosoma · 2019Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Supernumerary chromosomes (B chromosomes) occur in approximately 15% of eukaryote species. Although these chromosomes have been extensively studied, knowledge concerning their specific molecular composition is lacking in most cases. The accumulation of repetitive DNAs is one remarkable characteristic of B chromosomes, and the occurrence of distinct types of multigene families, satellite DNAs and some transposable elements have been reported. Here, we describe the organization of repetitive DNAs in the A complement and B chromosome system in the grasshopper species Abracris flavolineata using classical cytogenetic techniques and FISH analysis using probes for five multigene families, telomeric repeats and repetitive C0t-1 DNA fractions. The 18S rRNA and H3 histone multigene families are highly variable and well distributed in A. flavolineata chromosomes, which contrasts with the conservation of U snRNA genes and less variable distribution of 5S rDNA sequences. The H3 histone gene was an extensively distributed with clusters occurring in all chromosomes. Repetitive DNAs were concentrated in C-positive regions, including the pericentromeric region and small chromosomal arms, with some occurrence in C-negative regions, but abundance was low in the B chromosome. Finally, the first demonstration of the U2 snRNA gene in B chromosomes in A. flavolineata may shed light on its possible origin. These results provide new information regarding chromosomal variability for repetitive DNAs in grasshoppers and the specific molecular composition of B chromosomes.
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