ArticleGenome biology and evolution2018
Comparative Transcriptomics in Two Bivalve Species Offers Different Perspectives on the Evolution of Sex-Biased Genes.
Article in Genome biology and evolution, 2018. 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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Who cites it
12 citing papers in PubMed.
- Comparative Genomics of Sex-Determination-Related Genes Reveals Shared Evolutionary Patterns Between Bivalves and Mammals, but Not Fruit Flies.Molecular ecology · 2025Article
- The role of mitochondria in sex- and age-specific gene expression in a species without sex chromosomes.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The role of mitochondria in sex- and age-specific gene expression in a species without sex chromosomes.bioRxiv : the preprint server for biology · 2023Article
- Bivalves as Emerging Model Systems to Study the Mechanisms and Evolution of Sex Determination: A Genomic Point of View.Genome biology and evolution · 2023Article
- Multi-tissue RNA-Seq Analysis and Long-read-based Genome Assembly Reveal Complex Sex-specific Gene Regulation and Molecular Evolution in the Manila Clam.Genome biology and evolution · 2022Article
- Comprehensive Transcriptome Analysis Reveals Sex-Specific Alternative Splicing Events in Zebrafish Gonads.Life (Basel, Switzerland) · 2022Article
- Are plant and animal sex chromosomes really all that different?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- Article
- Omics approaches for conservation biology research on the bivalve Chamelea gallina.Scientific reports · 2020Article
- Organ transcriptomes of the lucinid clam Loripes orbiculatus (Poli, 1791) provide insights into their specialised roles in the biology of a chemosymbiotic bivalve.BMC genomics · 2019Article
- Effects of oxidative stress on sex-specific gene expression in the copepod Tigriopus californicus revealed by single individual RNA-seq.Comparative biochemistry and physiology. Part D, Genomics & proteomics · 2019Article
- Article
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7 authors.
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Abstract
Comparative genomics has become a central tool for evolutionary biology, and a better knowledge of understudied taxa represents the foundation for future work. In this study, we characterized the transcriptome of male and female mature gonads in the European clam Ruditapes decussatus, compared with that in the Manila clam Ruditapes philippinarum providing, for the first time in bivalves, information about transcription dynamics and sequence evolution of sex-biased genes. In both the species, we found a relatively low number of sex-biased genes (1,284, corresponding to 41.3% of the orthologous genes between the two species), probably due to the absence of sexual dimorphism, and the transcriptional bias is maintained in only 33% of the orthologs. The dN/dS is generally low, indicating purifying selection, with genes where the female-biased transcription is maintained between the two species showing a significantly higher dN/dS. Genes involved in embryo development, cell proliferation, and maintenance of genome stability show a faster sequence evolution. Finally, we report a lack of clear correlation between transcription level and evolutionary rate in these species, in contrast with studies that reported a negative correlation. We discuss such discrepancy and call into question some methodological approaches and rationales generally used in this type of comparative studies.
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