ArticlePloS one2020
Two Doublesex1 mutants revealed a tunable gene network underlying intersexuality in Daphnia magna.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 12 citations in OpenAlex.
- Identification of gene isoforms and their switching events between male and female embryos of the parthenogenetic crustacean Daphnia magna.Scientific reports · 2024Article
- Analyses of theFrontiers in physiology · 2023Article
- Article
- Review
- Regulation of Doublesex1 Expression for Environmental Sex Determination in the Cladoceran Crustacean Daphnia.Frontiers in cell and developmental biology · 2022Review
- Sense-overlapping lncRNA as a decoy of translational repressor protein for dimorphic gene expression.PLoS genetics · 2021Article
- Distinct Gene Expression Patterns of Two Heat Shock Protein 70 Members During Development, Diapause, and Temperature Stress in the Freshwater CrustaceanFrontiers in cell and developmental biology · 2021Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In recent years, the binary definition of sex is being challenged by repetitive reports about individuals with ambiguous sexual identity from various animal groups. This has created an urge to decode the molecular mechanism underlying sexual development. However, sexual ambiguities are extremely uncommon in nature, limiting their experimental value. Here, we report the establishment of a genetically modified clone of Daphnia magna from which intersex daphniids can be readily generated. By mutating the conserved central sex determining factor Doublesex1, body-wide feminization of male daphniid could be achieved. Comparative transcriptomic analysis also revealed a genetic network correlated with Doublesex1 activity which may account for the establishment of sexual identity in D. magna. We found that Dsx1 repressed genes related to growth and promoted genes related to signaling. We infer that different intersex phenotypes are the results of fluctuation in activity of these Dsx1 downstream factors. Our results demonstrated that the D. magna genome is capable of expressing sex in a continuous array, supporting the idea that sex is actually a spectrum.
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Registered trials
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