ArticleGenome biology and evolution2021
Chromosome-Level Genome Assembly of Chinese Sucker (Myxocyprinus asiaticus) Reveals Strongly Conserved Synteny Following a Catostomid-Specific Whole-Genome Duplication.
Article in Genome biology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 23 citations in OpenAlex.
- Bony fish genomes: Status and gaps.Journal of fish biology · 2026Review
- Schizothoracinae in Plateau River Networks: Drainage History, Polyploid Genome Evolution, Multi-Omics Evidence Chains, and Conservation Units.Animals : an open access journal from MDPI · 2026Review
- Chromosome-level genome assembly of the Chinese algae eater Gyrinocheilus aymonieri.Scientific data · 2025Article
- A novel sex-associated genomic region in Catostomus fish species.The Journal of heredity · 2025Article
- Origin of Polyploidy, Phylogenetic Relationships, and Biogeography of Botiid Fishes (Teleostei: Cypriniformes).Biology · 2025Article
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- Heterochronic shift in gene expression leads to ontogenetic morphological divergence between two closely related polyploid species.iScience · 2024Article
- Extraordinary preservation of gene collinearity over three hundred million years revealed in homosporous lycophytes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
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- Insights into chromosomal evolution and sex determination of Pseudobagrus ussuriensis (Bagridae, Siluriformes) based on a chromosome-level genome.DNA research : an international journal for rapid publication of reports on genes and genomes · 2022Article
- Phylotranscriptomics Illuminates the Placement of Whole Genome Duplications and Gene Retention in Ferns.Frontiers in plant science · 2022Article
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fishes of the family Catostomidae ("suckers"; Teleostei: Cypriniformes) are hypothesized to have undergone an allopolyploidy event approximately 60 Ma. However, genomic evidence has previously been unavailable to assess this hypothesis. We sequenced and assembled the first chromosome-level catostomid genome, Chinese sucker (Myxocyprinus asiaticus), and present clear evidence of a catostomid-specific whole-genome duplication (WGD) event ("Cat-4R"). Our results reveal remarkably strong, conserved synteny since this duplication event, as well as between Myxocyprinus and an unduplicated outgroup, zebrafish (Danio rerio). Gene content and repetitive elements are also approximately evenly distributed across homeologous chromosomes, suggesting that both subgenomes retain some function, with no obvious bias in gene fractionation or subgenome dominance. The Cat-4R duplication provides another independent example of genome evolution following WGD in animals, in this case at the extreme end of conserved genome architecture over at least 25.2 Myr since the duplication. The M. asiaticus genome is a useful resource for researchers interested in understanding genome evolution following WGD in animals.
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