ArticleMobile DNA2022
Migrators within migrators: exploring transposable element dynamics in the monarch butterfly, Danaus plexippus.
Article in Mobile DNA, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 27 citations in OpenAlex.
- Article
- Genome-wide crossover analysis in the holocentric pantry moth reveals strong crossover assurance and interference during spermatogenesis.Genome research · 2026Article
- Biological Implications of a Detailed Repeat Annotation in Octopus vulgaris.Genome biology and evolution · 2026Article
- Genome of tropical bed bug Cimex hemipterus (Cimicidae, Hemiptera) reveals tetraspanin expanded in bed bug ancestor.Insect science · 2025Article
- The Sensory Shark: High-quality Morphological, Genomic and Transcriptomic Data for the Small-spotted Catshark Scyliorhinus Canicula Reveal the Molecular Bases of Sensory Organ Evolution in Jawed Vertebrates.Molecular biology and evolution · 2024Article
- Earl Grey: A Fully Automated User-Friendly Transposable Element Annotation and Analysis Pipeline.Molecular biology and evolution · 2024Article
- Comparative genomics reveals the dynamics of chromosome evolution in Lepidoptera.Nature ecology & evolution · 2024Article
- Recent reactivation of a pathogenicity-associated transposable element is associated with major chromosomal rearrangements in a fungal wheat pathogen.Nucleic acids research · 2024Article
- A Chromosome-Level Genome Assembly and Annotation for the Clouded Apollo Butterfly (Parnassius mnemosyne): A Species of Global Conservation Concern.Genome biology and evolution · 2024Article
- Review
- Genomics of the relict species Baronia brevicornis sheds light on its demographic history and genome size evolution across swallowtail butterflies.G3 (Bethesda, Md.) · 2023Article
- A pangenome-guided manually curated library of transposable elements for Zymoseptoria tritici.BMC research notes · 2023Article
- Transposon accumulation at xenobiotic gene family loci in aphids.Genome research · 2023Article
- First chromosome scale genomes of ithomiine butterflies (Nymphalidae: Ithomiini): Comparative models for mimicry genetic studies.Molecular ecology resources · 2023Article
- The fine-scale recombination rate variation and associations with genomic features in a butterfly.Genome research · 2023Article
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
backgroundLepidoptera (butterflies and moths) are an important model system in ecology and evolution. A high-quality chromosomal genome assembly is available for the monarch butterfly (Danaus plexippus), but it lacks an in-depth transposable element (TE) annotation, presenting an opportunity to explore monarch TE dynamics and the impact of TEs on shaping the monarch genome.
resultsWe find 6.21% of the monarch genome is comprised of TEs, a reduction of 6.85% compared to the original TE annotation performed on the draft genome assembly. Monarch TE content is low compared to two closely related species with available genomes, Danaus chrysippus (33.97% TE) and Danaus melanippus (11.87% TE). The biggest TE contributions to genome size in the monarch are LINEs and Penelope-like elements, and three newly identified families, r2-hero_dPle (LINE), penelope-1_dPle (Penelope-like), and hase2-1_dPle (SINE), collectively contribute 34.92% of total TE content. We find evidence of recent TE activity, with two novel Tc1 families rapidly expanding over recent timescales (tc1-1_dPle, tc1-2_dPle). LINE fragments show signatures of genomic deletions indicating a high rate of TE turnover. We investigate associations between TEs and wing colouration and immune genes and identify a three-fold increase in TE content around immune genes compared to other host genes.
conclusionsWe provide a detailed TE annotation and analysis for the monarch genome, revealing a considerably smaller TE contribution to genome content compared to two closely related Danaus species with available genome assemblies. We identify highly successful novel DNA TE families rapidly expanding over recent timescales, and ongoing signatures of both TE expansion and removal highlight the dynamic nature of repeat content in the monarch genome. Our findings also suggest that insect immune genes are promising candidates for future interrogation of TE-mediated host adaptation.
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