ArticleChromosoma2018
Quantitative sequence characterization for repetitive DNA content in the supernumerary chromosome of the migratory locust.
Article in Chromosoma, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed.
- B chromosomes put the 'super' in supernumerary.Trends in genetics : TIG · 2026Review
- Repeat-associated heterochromatin expansion in Acyclania tenebrosa, a noctuid with one of the largest lepidopteran genomes.BMC genomics · 2026Article
- Evolutionary dynamics of repetitive elements and genome size in Tetrigidae (Orthoptera: Caelifera).Scientific reports · 2025Article
- The first insight into Acanthocephalus (Palaeacanthocephala) satellitome: species-specific satellites as potential cytogenetic markers.Scientific reports · 2025Article
- The B Chromosome of Pseudococcus viburni: A Selfish Chromosome that Exploits Whole-Genome Meiotic Drive.Genome biology and evolution · 2025Article
- A study of repetitive sequences in the genome ofPeerJ · 2025Article
- Evolutionary Dynamics of Satellite DNA Repeats across the Tettigoniidae Family: Insights from Genomic Analysis.Biomolecules · 2024Article
- Evolution of ancient satellite DNAs in extant alligators and caimans (Crocodylia, Reptilia).BMC biology · 2024Article
- Novel selectively amplified DNA sequences in the germline genome of the Japanese hagfish, Eptatretus burgeri.Scientific reports · 2022Article
- Non-Mendelian segregation and transmission drive of B chromosomes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2022Review
- Satellitome comparison of two oedipodine grasshoppers highlights the contingent nature of satellite DNA evolution.BMC biology · 2022Article
- Comprehending the dynamism of B chromosomes in their journey towards becoming unselfish.Frontiers in cell and developmental biology · 2022Review
- A supernumerary "B-sex" chromosome drives male sex determination in the Pachón cavefish, Astyanax mexicanus.Current biology : CB · 2021Article
- Out of patterns, the euchromatic B chromosome of the grasshopper Abracris flavolineata is not enriched in high-copy repeats.Heredity · 2021Article
- Evolution of B Chromosomes: From Dispensable Parasitic Chromosomes to Essential Genomic Players.Frontiers in genetics · 2021Review
- Satellite DNA Is an Inseparable Fellow Traveler of B Chromosomes.Progress in molecular and subcellular biology · 2021Review
- Comparative Analysis of Genomic Repeat Content in Gomphocerine Grasshoppers Reveals Expansion of Satellite DNA and Helitrons in Species with Unusually Large Genomes.Genome biology and evolution · 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
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Repetitive DNA is a major component in most eukaryotic genomes but is ignored in most genome sequencing projects. Here, we report the quantitative composition in repetitive DNA for a supernumerary (B) chromosome, in the migratory locust (Locusta migratoria), by Illumina sequencing of genomic DNA from B-carrying and B-lacking individuals and DNA obtained from a microdissected B chromosome, as well as the physical mapping of some elements. B chromosome DNA of 94.9% was repetitive, in high contrast with the 64.1% of standard (A) chromosomes. B chromosomes are enriched in satellite DNA (satDNA) (65.2% of B-DNA), with a single satellite (LmiSat02-176) comprising 55% of the B. Six satDNAs were visualized by FISH on the B chromosome, and the only A chromosome carrying all these satellites was autosome 9, pointing to this chromosome, along with autosome 8 (which shares histone genes with the B) as putative ancestors of the B chromosome. We found several transposable elements (TEs) showing nucleotidic variation specific to B-carrying individuals, which was also present in B-carrying transcriptomes. Remarkably, an interstitial region of the B chromosome included a 17 kb chimera composed of 29 different TEs, suggesting reiterative TE insertion in this B chromosome region.
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