ArticleScientific reports2020
Artificial whole genome duplication in paleopolyploid sturgeons yields highest documented chromosome number in vertebrates.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Article
- Natural repeated backcrosses lead to triploidy and tetraploidy in parthenogenetic butterfly lizards (Leiolepis: Agamidae).Scientific reports · 2025Article
- A RepetitiveInternational journal of molecular sciences · 2024Article
- The evolution of tenascins.BMC ecology and evolution · 2024Article
- Metabolomics in sturgeon research: a mini-review.Fish physiology and biochemistry · 2024Review
- Investigation of Sexes and Fertility Potential of Female Russian Sturgeon (Life (Basel, Switzerland) · 2024Article
- Article
- MiR-34b/c play a role in early sex differentiation of Amur sturgeon, Acipenser schrenckii.Frontiers in zoology · 2022Article
- Whole-Genome Inter-Sex Variation in Russian Sturgeon (International journal of molecular sciences · 2022Article
- Transcriptome and Proteome Analyses Reveal Stage-Specific DNA Damage Response in Embryos of Sturgeon (International journal of molecular sciences · 2022Article
- Effects of Hydrostatic Pressure Treatment of Newly Fertilized Eggs on the Ploidy Level and Karyotype of PikeperchLife (Basel, Switzerland) · 2021Article
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4 authors.
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Abstract
Critically endangered sturgeons, having undergone three whole genome duplication events, represent an exceptional example of ploidy plasticity in vertebrates. Three extant ploidy groups, combined with autopolyploidization, interspecific hybridization and the fertility of hybrids are important issues in sturgeon conservation and aquaculture. Here we demonstrate that the sturgeon genome can undergo numerous alterations of ploidy without severe physiological consequences, producing progeny with a range of ploidy levels and extremely high chromosome numbers. Artificial suppression of the first mitotic division alone, or in combination with suppression of the second meiotic division of functionally tetraploid zygotes (4n, C-value = 4.15) of Siberian sturgeon Acipenser baerii and Russian sturgeon A. gueldenstaedtii resulted in progeny of various ploidy levels-diploid/hexaploid (2n/6n) mosaics, hexaploid, octoploid juveniles (8n), and dodecaploid (12n) larvae. Counts between 477 to 520 chromosomes in octoploid juveniles of both sturgeons confirmed the modal chromosome numbers of parental species had been doubled. This exceeds the highest previously documented chromosome count among vertebrates 2n ~ 446 in the cyprinid fish Ptychobarbus dipogon.
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