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Multi-tissue transcriptome analysis identifies key sexual development-related genes of the ornate spiny lobster (Panulirus ornatus ) Abstract Sexual development involves the successive and overlapping processes of sex determination, sexual differentiation, and ultimately sexual maturation, enabling animals to reproduce. This provides a mechanism for enriched genetic variation which enables populations to withstand ever-changing environments, selecting for adapted individuals and driving speciation. The molecular mechanisms of sexual development display a bewildering diversity, even in closely related taxa. Many sex determination mechanisms across animals include the key family of “doublesex- and male abnormal3-related transcription factors” (Dmrts). In a few exceptional species, a single Dmrt residing on a sex chromosome acts as the master sex regulator. In this study, we provide compelling evidence for this model of sex determination in the ornate spiny lobster Panulius ornatus , concurrent with recent reports in the eastern spiny lobster Sagmariasus verreauxi . Using a multi-tissue transcriptomic database established for P. ornatus , we screened for the key factors associated with sexual development (by homology search and using previous knowledge of these factors from related species), providing an in-depth understanding of sexual development in decapods. Further research has the potential to close significant gaps in our understanding of reproductive development in this ecologically and commercially significant order. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
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Publication Year
2020
Citation
Ventura, T., Chandler, J.C., Nguyen, T.V., Hyde, C.J., Elizur, A., Fitzgibbon, Q.P. & Smith, G.G. 2020, "Multi-tissue transcriptome analysis identifies key sexual development-related genes of the ornate spiny lobster (Panulirus ornatus)", Genes, vol. 11, no. 10, pp. 1-17.
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