ArticleBMC genomics2025
Sex-biased expression of sex-linked transcripts in spiny frogs with homomorphic sex chromosomes.
Article in BMC genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- ZW and XY Sex Chromosomes Drive Rapid and Distinctive Evolution of Sex-Biased Gene Expression.Molecular ecology · 2025Article
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3 authors.
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Abstract
backgroundThe accumulation of sexually antagonistic mutations on chromosomes has been favored in driving the evolution of sex chromosomes. However, empirical evidence has been limited to species with heteromorphic sex chromosomes, where the patterns of gene expression on sex chromosomes differ drastically from those on autosomes. It is little known if the sexualization of gene expression would have started on homomorphic sex chromosomes.
resultsTo investigate the evolutionary patterns of sex-biased expression, we examined four species of spiny frogs, using high-throughput RNA sequencing for gonads and sex-specific tissues. We find little support for both the enrichment of sex-linked genes and the excess of sex-linked gene expression. Additionally, there is no evidence supporting for sex-biased gene expression near the candidate sex-determining locus. We find no significant accumulation of sex-biased genes on sex chromosomes. Further, the homomorphic sex chromosomes do not show evidence of a faster rate of evolution.
conclusionsThe sexualization of sex chromosomes in species with homomorphic sex chromosomes may not be as indispensable as hypothesized.
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