ArticleGenome biology and evolution2020
Comparative Analysis of Genomic Repeat Content in Gomphocerine Grasshoppers Reveals Expansion of Satellite DNA and Helitrons in Species with Unusually Large Genomes.
Article in Genome biology and evolution, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed.
- Satellite DNA dynamics across phylogenetic scales in ground beetles and other insects.bioRxiv : the preprint server for biology · 2026Article
- Repeat-associated heterochromatin expansion in Acyclania tenebrosa, a noctuid with one of the largest lepidopteran genomes.BMC genomics · 2026Article
- The repetitive genome of the Ixodes ricinus tick reveals transposable elements have driven genome evolution in ticks.Genome biology · 2026Article
- Chromosome-level assembly of the club-legged grasshopper (Gomphocerus sibiricus) genome.G3 (Bethesda, Md.) · 2025Article
- Satellite DNA Genomics: The Ongoing Story.International journal of molecular sciences · 2025Review
- Cyanogenic millipede genome illuminates convergent evolution of cyanogenesis-related enzymes.PLoS genetics · 2025Article
- Evolutionary dynamics of repetitive elements and genome size in Tetrigidae (Orthoptera: Caelifera).Scientific reports · 2025Article
- Comparative Analysis of the Chloroplast Genomes of Cypripedium: Assessing the Roles of SSRs and TRs in the Non-Coding Regions of LSC in Shaping Chloroplast Genome Size.International journal of molecular sciences · 2025Article
- The first insight into Acanthocephalus (Palaeacanthocephala) satellitome: species-specific satellites as potential cytogenetic markers.Scientific reports · 2025Article
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- Orthopteran Neo-Sex Chromosomes Reveal Dynamics of Recombination Suppression and Evolution of Supergenes.Molecular ecology · 2024Article
- The evolutionary dynamics of genome sizes and repetitive elements in Ensifera (Insecta: Orthoptera).BMC genomics · 2024Article
- Evolutionary Dynamics of Satellite DNA Repeats across the Tettigoniidae Family: Insights from Genomic Analysis.Biomolecules · 2024Article
- Comprehensive analysis of the Xya riparia genome uncovers the dominance of DNA transposons, LTR/Gypsy elements, and their evolutionary dynamics.BMC genomics · 2024Article
- High-quality haploid genomes corroborate 29 chromosomes and highly conserved synteny of genes in Hyles hawkmoths (Lepidoptera: Sphingidae).BMC genomics · 2023Article
- Review
- Genome sizes and repeatome evolution in zoantharians (Cnidaria: Hexacorallia: Zoantharia).PeerJ · 2023Article
- Assembly-Free Detection and Quantification of Transposable Elements with dnaPipeTE.Methods in molecular biology (Clifton, N.J.) · 2023Article
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3 authors.
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Abstract
Eukaryotic organisms vary widely in genome size and much of this variation can be explained by differences in the abundance of repetitive elements. However, the phylogenetic distributions and turnover rates of repetitive elements are largely unknown, particularly for species with large genomes. We therefore used de novo repeat identification based on low coverage whole-genome sequencing to characterize the repeatomes of six species of gomphocerine grasshoppers, an insect clade characterized by unusually large and variable genome sizes. Genome sizes of the six species ranged from 8.4 to 14.0 pg DNA per haploid genome and thus include the second largest insect genome documented so far (with the largest being another acridid grasshopper). Estimated repeat content ranged from 79% to 96% and was strongly correlated with genome size. Averaged over species, these grasshopper repeatomes comprised significant amounts of DNA transposons (24%), LINE elements (21%), helitrons (13%), LTR retrotransposons (12%), and satellite DNA (8.5%). The contribution of satellite DNA was particularly variable (ranging from <1% to 33%) as was the contribution of helitrons (ranging from 7% to 20%). The age distribution of divergence within clusters was unimodal with peaks ∼4-6%. The phylogenetic distribution of repetitive elements was suggestive of an expansion of satellite DNA in the lineages leading to the two species with the largest genomes. Although speculative at this stage, we suggest that the expansion of satellite DNA could be secondary and might possibly have been favored by selection as a means of stabilizing greatly expanded genomes.
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