ArticleDNA research : an international journal for rapid publication of reports on genes and genomes2018
A new approach for comprehensively describing heterogametic sex chromosomes.
Article in DNA research : an international journal for rapid publication of reports on genes and genomes, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- The complete sequence of the silkworm W chromosome uncovers its rapid evolution by large-scale duplications/deletions and translocation of W-linked genes.G3 (Bethesda, Md.) · 2026Article
- Structural and evolutionary features of red algal UV sex chromosomes.Genome biology · 2025Article
- Multiple independent origins of the female W chromosome in moths and butterflies.Science advances · 2024Article
- Do Ty3/Gypsy Transposable Elements Play Preferential Roles in Sex Chromosome Differentiation?Life (Basel, Switzerland) · 2022Review
- Schistosome W-Linked Genes Inform Temporal Dynamics of Sex Chromosome Evolution and Suggest Candidate for Sex Determination.Molecular biology and evolution · 2021Article
- Detecting sex-linked genes using genotyped individuals sampled in natural populations.Genetics · 2021Article
- How to identify sex chromosomes and their turnover.Molecular ecology · 2019Review
- The Caribou (Genes · 2019Article
- Shared and Species-Specific Patterns of Nascent Y Chromosome Evolution in Two Guppy Species.Genes · 2018Article
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Authors and funding
14 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Notwithstanding the rapid developments in sequencing techniques, Y and W sex chromosomes have still been mostly excluded from whole genome sequencing projects due to their high repetitive DNA content. Therefore, Y and W chromosomes are poorly described in most species despite their biological importance. Several methods were developed for identifying Y or W-linked sequences among unmapped scaffolds. However, it is not enough to discover functional regions from short unmapped scaffolds. Here, we provide a new and simple strategy based on k-mer comparison for comprehensive analysis of the W chromosome in Bombyx mori. Using this novel method, we effectively assembled de novo 1281 W-derived genome contigs (totaling 1.9 Mbp), and identified 156 W-linked transcript RNAs and 345 W-linked small RNAs. This method will help in the elucidation of mechanisms of sexual development and exploration of W chromosome biological functions, and provide insights into the evolution of sex chromosomes. Moreover, we showed this method can be employed in identifying heterogametic sex chromosomes (W and Y chromosomes) in many other species where genomic information is still scarce.
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Registered trials
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