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Repeated evolution of self-compatibility for reproductive assurance
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Evolutionary Biology. Ludwig Maximilians Univ Munchen, Div Evolutionary Biol, Fac Biol, Grosshaderner Str 2, D-82152 Planegg Martinsried, Germany.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Evolutionary Biology. Ludwig Maximilians Univ Munchen, Div Evolutionary Biol, Fac Biol, Grosshaderner Str 2, D-82152 Planegg Martinsried, Germany.ORCID iD: 0000-0002-0612-9230
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Biochemistry and Microbiology. Uppsala University, Science for Life Laboratory, SciLifeLab.
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Animal ecology.ORCID iD: 0000-0002-8412-7919
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2018 (English)In: Nature Communications, ISSN 2041-1723, E-ISSN 2041-1723, Vol. 9, article id 1639Article in journal (Refereed) Published
Abstract [en]

Sexual reproduction in eukaryotes requires the fusion of two compatible gametes of opposite sexes or mating types. To meet the challenge of finding a mating partner with compatible gametes, evolutionary mechanisms such as hermaphroditism and self-fertilization have repeatedly evolved. Here, by combining the insights from comparative genomics, computer simulations and experimental evolution in fission yeast, we shed light on the conditions promoting separate mating types or self-compatibility by mating-type switching. Analogous to multiple independent transitions between switchers and non-switchers in natural populations mediated by structural genomic changes, novel switching genotypes readily evolved under selection in the experimental populations. Detailed fitness measurements accompanied by computer simulations show the benefits and costs of switching during sexual and asexual reproduction, governing the occurrence of both strategies in nature. Our findings illuminate the trade-off between the benefits of reproductive assurance and its fitness costs under benign conditions facilitating the evolution of self-compatibility.

Place, publisher, year, edition, pages
2018. Vol. 9, article id 1639
National Category
Genetics
Identifiers
URN: urn:nbn:se:uu:diva-354954DOI: 10.1038/s41467-018-04054-6ISI: 000430674000028PubMedID: 29691402OAI: oai:DiVA.org:uu-354954DiVA, id: diva2:1223564
Funder
Swedish Research CouncilEU, European Research Council, HapSelA-336633Carl Tryggers foundation
Note

These authors jointly supervised this work: Jochen B.W. Wolf, Simone Immler.

Available from: 2018-06-25 Created: 2018-06-25 Last updated: 2018-06-25Bibliographically approved

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Nieuwenhuis, Bart P. S.Tusso Gomez, SergioBjerling, PernillaStångberg, JosefineWolf, Jochen B. W.
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Evolutionary BiologyDepartment of Medical Biochemistry and MicrobiologyScience for Life Laboratory, SciLifeLabAnimal ecology
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