ArticleGigaScience2022
A Chromosome-level assembly of the Japanese eel genome, insights into gene duplication and chromosomal reorganization.
Article in GigaScience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 14 citations in OpenAlex.
- A preliminary whole-genome survey of longfin snake eel Pisodonophis cancrivorus (Richardson, 1848).Genetica · 2026Article
- Article
- Transcriptome analysis identifies key regulatory genes and temporal expression dynamics during embryonic development in the Japanese eel (Anguilla japonica).Molecular genetics and genomics : MGG · 2026Article
- Chromosome-level genome assembly of Decorus tungting, an endemic cyprinid from China.Scientific data · 2025Article
- Loss and Gain of Aqp10 Paralogs With Broad Solute Selectivity in Anguillid Eels.Genome biology and evolution · 2025Article
- Highly contiguous genome assembly and gene annotation of the short-finned eel (Anguilla bicolor pacifica).Scientific data · 2024Article
- Ultramicroscopic organization of the exterior olfactory organ inOpen veterinary journal · 2024Article
- A chromosome-level reference genome assembly of the Reeve's moray eel (Gymnothorax reevesii).Scientific data · 2023Article
- The Snapdragon Genomes Reveal the Evolutionary Dynamics of the S-Locus Supergene.Molecular biology and evolution · 2023Article
- A Chromosome-level assembly of the Japanese eel genome, insights into gene duplication and chromosomal reorganization.GigaScience · 2022Article
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Authors and funding
13 authors at 5 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Japanese eels (Anguilla japonica) are commercially important species, harvested extensively for food. Currently, this and related species (American and European eels) are challenging to breed on a commercial basis. As a result, the wild stock is used for aquaculture. Moreover, climate change, habitat loss, water pollution, and altered ocean currents affect eel populations negatively. Accordingly, the International Union for Conservation of Nature lists Japanese eels as endangered and on its red list. Here we presented a high-quality genome assembly for Japanese eels and demonstrated that large chromosome reorganizations occurred in the events of third-round whole-genome duplications (3R-WRDs). Several chromosomal fusions and fissions have reduced the ancestral protochromosomal number of 25 to 19 in the Anguilla lineage. A phylogenetic analysis of the expanded gene families showed that the olfactory receptors (group δ and ζ genes) and voltage-gated Ca2+ channels expanded significantly. Both gene families are crucial for olfaction and neurophysiology. Additional tandem and proximal duplications occurred following 3R-WGD to acquire immune-related genes for an adaptive advantage against various pathogens. The Japanese eel assembly presented here can be used to study other Anguilla species relating to evolution and conservation.
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