ArticleChromosoma2017
The repetitive DNA element BncDNA, enriched in the B chromosome of the cichlid fish Astatotilapia latifasciata, transcribes a potentially noncoding RNA.
Article in Chromosoma, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 45 citations in OpenAlex.
- Genome assembly of Astatotilapia latifasciata uncovers B chromosome-linked chromatin reorganization.Heredity · 2026Article
- The maize B chromosome shapes the transcriptome throughout the entire plant life cycle.Journal of experimental botany · 2025Article
- Telomere-to-telomere Phragmites australis reference genome assembly with a B chromosome provides insights into its evolution and polysaccharide biosynthesis.Communications biology · 2025Article
- Genome sequence of the sugarcane aphid, Melanaphis sacchari (Hemiptera: Aphididae).G3 (Bethesda, Md.) · 2024Article
- The potential regulatory role of the lncRNA-miRNA-mRNA axis in teleost fish.Frontiers in immunology · 2023Review
- First characterization of PIWI-interacting RNA clusters in a cichlid fish with a B chromosome.BMC biology · 2022Article
- Meiotic behavior, transmission and active genes of B chromosomes in the cichlid Astatotilapia latifasciata: new clues about nature, evolution and maintenance of accessory elements.Molecular genetics and genomics : MGG · 2022Article
- B Chromosomes' Sequences in Yellow-Necked MiceLife (Basel, Switzerland) · 2021Article
- Differential expression of miRNAs in the presence of B chromosome in the cichlid fish Astatotilapia latifasciata.BMC genomics · 2021Article
- A genomic glimpse of B chromosomes in cichlids.Genes & genomics · 2021Review
- B chromosomes of multiple species have intense evolutionary dynamics and accumulated genes related to important biological processes.BMC genomics · 2020Article
- Wide dispersion of B chromosomes in Rhammatocerus brasiliensis (Orthoptera, Acrididae).Genetics and molecular biology · 2020Article
- Satellite DNA content of B chromosomes in the characid fish Characidium gomesi supports their origin from sex chromosomes.Molecular genetics and genomics : MGG · 2020Article
- Differential Expression of Genes Related to Sexual Determination Can Modify the Reproductive Cycle ofGenes · 2019Article
- 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
- Gene expression changes elicited by a parasitic B chromosome in the grasshopper Eyprepocnemis plorans are consistent with its phenotypic effects.Chromosoma · 2019Article
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- Epigenetic DNA Modifications Are Correlated With B Chromosomes and Sex in the CichlidFrontiers in genetics · 2019Article
Corrections and comments
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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
Supernumerary chromosomes have been studied in many species of eukaryotes, including the cichlid fish, Astatotilapia latifasciata. However, there are many unanswered questions about the maintenance, inheritance, and functional aspects of supernumerary chromosomes. The cichlid family has been highlighted as a model for evolutionary studies, including those that focus on mechanisms of chromosome evolution. Individuals of A. latifasciata are known to carry up to two B heterochromatic isochromosomes that are enriched in repetitive DNA and contain few intact gene sequences. We isolated and characterized a transcriptionally active repeated DNA, called B chromosome noncoding DNA (BncDNA), highly represented across all B chromosomes of A. latifasciata. BncDNA transcripts are differentially processed among six different tissues, including the production of smaller transcripts, indicating transcriptional variation may be linked to B chromosome presence and sexual phenotype. The transcript lengths and lack of similarity with known protein/gene sequences indicate BncRNA might represent a novel long noncoding RNA family (lncRNA). The potential for interaction between BncRNA and known miRNAs were computationally predicted, resulting in the identification of possible binding of this sequence in upregulated miRNAs related to the presence of B chromosomes. In conclusion, Bnc is a transcriptionally active repetitive DNA enriched in B chromosomes with potential action over B chromosome maintenance in somatic cells and meiotic drive in gametic cells.
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