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Nunes WVB, Oliveira DS, Dias GDR, Carvalho AB, Caruso ÍP, Biselli JM, Guegen N, Akkouche A, Burlet N, Vieira C, Carareto CMA. A comprehensive evolutionary scenario for the origin and neofunctionalization of the Drosophila speciation gene Odysseus (OdsH). G3 (BETHESDA, MD.) 2024; 14:jkad299. [PMID: 38156703 PMCID: PMC10917504 DOI: 10.1093/g3journal/jkad299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 11/22/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Odysseus (OdsH) was the first speciation gene described in Drosophila related to hybrid sterility in offspring of mating between Drosophila mauritiana and Drosophila simulans. Its origin is attributed to the duplication of the gene unc-4 in the subgenus Sophophora. By using a much larger sample of Drosophilidae species, we showed that contrary to what has been previously proposed, OdsH origin occurred 62 MYA. Evolutionary rates, expression, and transcription factor-binding sites of OdsH evidence that it may have rapidly experienced neofunctionalization in male sexual functions. Furthermore, the analysis of the OdsH peptide allowed the identification of mutations of D. mauritiana that could result in incompatibility in hybrids. In order to find if OdsH could be related to hybrid sterility, beyond Sophophora, we explored the expression of OdsH in Drosophila arizonae and Drosophila mojavensis, a pair of sister species with incomplete reproductive isolation. Our data indicated that OdsH expression is not atypical in their male-sterile hybrids. In conclusion, we have proposed that the origin of OdsH occurred earlier than previously proposed, followed by neofunctionalization. Our results also suggested that its role as a speciation gene might be restricted to D. mauritiana and D. simulans.
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Affiliation(s)
- William Vilas Boas Nunes
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (Unesp), 2265 Cristóvão Colombo Street, 15054-000 São José do Rio Preto, Brazil
- Laboratoire de Biométrie et Biologie Evolutive UMR 5558, Université de Lyon, Université Lyon 1, CNRS, Bât. Grégor Mendel, 43 Boulevard 11 Novembre 1918, 69622 Villeurbanne, France
| | - Daniel Siqueira Oliveira
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (Unesp), 2265 Cristóvão Colombo Street, 15054-000 São José do Rio Preto, Brazil
- Laboratoire de Biométrie et Biologie Evolutive UMR 5558, Université de Lyon, Université Lyon 1, CNRS, Bât. Grégor Mendel, 43 Boulevard 11 Novembre 1918, 69622 Villeurbanne, France
| | - Guilherme de Rezende Dias
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, CCS sl A2-075, 373 Carlos Chagas Filho Avenue, 21941-971 Rio de Janeiro, Brazil
| | - Antonio Bernardo Carvalho
- Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro, CCS sl A2-075, 373 Carlos Chagas Filho Avenue, 21941-971 Rio de Janeiro, Brazil
| | - Ícaro Putinhon Caruso
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (Unesp), 2265 Cristóvão Colombo Street, 15054-000 São José do Rio Preto, Brazil
| | - Joice Matos Biselli
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (Unesp), 2265 Cristóvão Colombo Street, 15054-000 São José do Rio Preto, Brazil
| | - Nathalie Guegen
- Faculté de Médecine, iGReD, Université Clermont Auvergne, CNRS, INSERM, 4 Bd Claude Bernard, 63000 Clermont-Ferrande, France
| | - Abdou Akkouche
- Faculté de Médecine, iGReD, Université Clermont Auvergne, CNRS, INSERM, 4 Bd Claude Bernard, 63000 Clermont-Ferrande, France
| | - Nelly Burlet
- Laboratoire de Biométrie et Biologie Evolutive UMR 5558, Université de Lyon, Université Lyon 1, CNRS, Bât. Grégor Mendel, 43 Boulevard 11 Novembre 1918, 69622 Villeurbanne, France
| | - Cristina Vieira
- Laboratoire de Biométrie et Biologie Evolutive UMR 5558, Université de Lyon, Université Lyon 1, CNRS, Bât. Grégor Mendel, 43 Boulevard 11 Novembre 1918, 69622 Villeurbanne, France
| | - Claudia M A Carareto
- Institute of Biosciences, Humanities and Exact Sciences, São Paulo State University (Unesp), 2265 Cristóvão Colombo Street, 15054-000 São José do Rio Preto, Brazil
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Abstract
It has long been acknowledged that changes in the regulation of gene expression may account for major organismal differences. However, we still do not fully understand how changes in gene expression evolve and how do such changes influence organisms' differences. We are even less aware of the impact such changes might have in restricting gene flow between species. Here, we focus on studies of gene expression and speciation in the Drosophila model. We review studies that have identified gene interactions in post-mating reproductive isolation and speciation, particularly those that modulate male gene expression. We also address studies that have experimentally manipulated changes in gene expression to test their effect in post-mating reproductive isolation. We highlight the need for a more in-depth analysis of the role of selection causing disrupted gene expression of such candidate genes in sterile/inviable hybrids. Moreover, we discuss the relevance to incorporate more routinely assays that simultaneously evaluate the potential effects of environmental factors and genetic background in modulating plastic responses in male genes and their potential role in speciation.
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Affiliation(s)
- Bahar Patlar
- Department of Biology, University of Winnipeg, Winnipeg, MB R3B 2E9, Canada.,Department of Biology, University of Winnipeg, Winnipeg, MB R3B 2E9, Canada
| | - Alberto Civetta
- Department of Biology, University of Winnipeg, Winnipeg, MB R3B 2E9, Canada
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