The double game of chromosomal inversions in a neotropical butterfly
Over a century after the first description of a polymorphism controlled by a supergene, these genetic architectures still puzzle biologists. Supergenes are groups of tightly linked loci facilitating the co-segregation of combinations of alleles underlying alternative, complex adaptive strategies. Th...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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Académie des sciences
2022-05-01
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| Series: | Comptes Rendus Biologies |
| Subjects: | |
| Online Access: | https://comptes-rendus.academie-sciences.fr/biologies/articles/10.5802/crbiol.73/ |
| _version_ | 1797651235171467264 |
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| author | Jay, Paul Joron, Mathieu |
| author_facet | Jay, Paul Joron, Mathieu |
| author_sort | Jay, Paul |
| collection | DOAJ |
| description | Over a century after the first description of a polymorphism controlled by a supergene, these genetic architectures still puzzle biologists. Supergenes are groups of tightly linked loci facilitating the co-segregation of combinations of alleles underlying alternative, complex adaptive strategies. The suppression of recombination at supergenes is generally caused by polymorphic chromosomal rearrangements, such as inversions. The existence of inversion polymorphisms and supergene raises theoretical and empirical questions. Why do these architectures evolve? How can alternative combinations of alleles be formed? How and why is polymorphism maintained? The purpose of this paper is to provide answers to these questions by reviewing recent advances in the study of Heliconius numata, an Amazonian butterfly displaying a striking diversity of wing color patterns. In a broad context, this review highlights mechanisms that play an important role in the evolution of new genomic architecture and in the adaptation of species. |
| first_indexed | 2024-03-11T16:13:00Z |
| format | Article |
| id | doaj.art-35b97707c4f14d6f8438c91c446c71ac |
| institution | Directory Open Access Journal |
| issn | 1768-3238 |
| language | English |
| last_indexed | 2024-03-11T16:13:00Z |
| publishDate | 2022-05-01 |
| publisher | Académie des sciences |
| record_format | Article |
| series | Comptes Rendus Biologies |
| spelling | doaj.art-35b97707c4f14d6f8438c91c446c71ac2023-10-24T14:25:23ZengAcadémie des sciencesComptes Rendus Biologies1768-32382022-05-013451577310.5802/crbiol.7310.5802/crbiol.73The double game of chromosomal inversions in a neotropical butterflyJay, Paul0https://orcid.org/0000-0001-5979-1263Joron, Mathieu1https://orcid.org/0000-0003-1043-4147Ecologie Systématique Evolution, Bâtiment 360, CNRS, AgroParisTech, Université Paris-Saclay, 91400 Orsay, FranceCEFE, Université de Montpellier, CNRS, EPHE, IRD, Montpellier, FranceOver a century after the first description of a polymorphism controlled by a supergene, these genetic architectures still puzzle biologists. Supergenes are groups of tightly linked loci facilitating the co-segregation of combinations of alleles underlying alternative, complex adaptive strategies. The suppression of recombination at supergenes is generally caused by polymorphic chromosomal rearrangements, such as inversions. The existence of inversion polymorphisms and supergene raises theoretical and empirical questions. Why do these architectures evolve? How can alternative combinations of alleles be formed? How and why is polymorphism maintained? The purpose of this paper is to provide answers to these questions by reviewing recent advances in the study of Heliconius numata, an Amazonian butterfly displaying a striking diversity of wing color patterns. In a broad context, this review highlights mechanisms that play an important role in the evolution of new genomic architecture and in the adaptation of species.https://comptes-rendus.academie-sciences.fr/biologies/articles/10.5802/crbiol.73/Chromosomal inversionHeliconiusEvolutionMutation loadMimicrySupergene |
| spellingShingle | Jay, Paul Joron, Mathieu The double game of chromosomal inversions in a neotropical butterfly Comptes Rendus Biologies Chromosomal inversion Heliconius Evolution Mutation load Mimicry Supergene |
| title | The double game of chromosomal inversions in a neotropical butterfly |
| title_full | The double game of chromosomal inversions in a neotropical butterfly |
| title_fullStr | The double game of chromosomal inversions in a neotropical butterfly |
| title_full_unstemmed | The double game of chromosomal inversions in a neotropical butterfly |
| title_short | The double game of chromosomal inversions in a neotropical butterfly |
| title_sort | double game of chromosomal inversions in a neotropical butterfly |
| topic | Chromosomal inversion Heliconius Evolution Mutation load Mimicry Supergene |
| url | https://comptes-rendus.academie-sciences.fr/biologies/articles/10.5802/crbiol.73/ |
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