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Gabrielli M, Leroy T, Salmona J, Nabholz B, Milá B, Thébaud C. Demographic responses of oceanic island birds to local and regional ecological disruptions revealed by whole-genome sequencing. Mol Ecol 2024; 33:e17243. [PMID: 38108507 DOI: 10.1111/mec.17243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 11/26/2023] [Accepted: 11/30/2023] [Indexed: 12/19/2023]
Abstract
Disentangling the effects of ecological disruptions operating at different spatial and temporal scales in shaping past species' demography is particularly important in the current context of rapid environmental changes driven by both local and regional factors. We argue that volcanic oceanic islands provide useful settings to study the influence of past ecological disruptions operating at local and regional scales on population demographic histories. We investigate potential drivers of past population dynamics for three closely related species of passerine birds from two volcanic oceanic islands, Reunion and Mauritius (Mascarene archipelago), with distinct volcanic history. Using ABC and PSMC inferences from complete genomes, we reconstructed the demographic history of the Reunion Grey White-eye (Zosterops borbonicus (Pennant, 1781)), the Reunion Olive White-eye (Z. olivaceus (Linnaeus, 1766)) and the Mauritius Grey White-eye (Z. mauritianus (Gmelin, 1789)) and searched for possible causes underlying similarities or differences between species living on the same or different islands. Both demographic inferences strongly support ancient and long-term expansions in all species. They also reveal different trajectories between species inhabiting different islands, but consistent demographic trajectories in species or populations from the same island. Species from Reunion appear to have experienced synchronous reductions in population size during the Last Glacial Maximum, a trend not seen in the Mauritian species. Overall, this study suggests that local events may have played a role in shaping population trajectories of these island species. It also highlights the potential of our conceptual framework to disentangle the effects of local and regional drivers on past species' demography and long-term population processes.
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Affiliation(s)
- Maëva Gabrielli
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 (Université Paul Sabatier, CNRS, IRD), Toulouse, France
- Department of Life Sciences and Biotechnology, University of Ferrara, Ferrara, Italy
| | - Thibault Leroy
- GenPhySE, INRAE, INP, ENVT, Université de Toulouse, Castanet-Tolosan, France
| | - Jordi Salmona
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 (Université Paul Sabatier, CNRS, IRD), Toulouse, France
| | - Benoit Nabholz
- Institut des Sciences de l'Evolution de Montpellier, UMR 5554 (Université de Montpellier, CNRS, IRD, EPHE), Montpellier, France
| | - Borja Milá
- National Museum of Natural Sciences, Spanish National Research Council (CSIC), Madrid, Spain
| | - Christophe Thébaud
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 (Université Paul Sabatier, CNRS, IRD), Toulouse, France
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2
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Mould MC, Huet M, Senegas L, Milá B, Thébaud C, Bourgeois Y, Chaine AS. Beyond morphs: Inter-individual colour variation despite strong genetic determinism of colour morphs in a wild bird. J Evol Biol 2023; 36:82-94. [PMID: 36484624 PMCID: PMC10107803 DOI: 10.1111/jeb.14124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 05/06/2022] [Accepted: 06/15/2022] [Indexed: 12/13/2022]
Abstract
Categorizing individuals into discrete forms in colour polymorphic species can overlook more subtle patterns in coloration that can be of functional significance. Thus, quantifying inter-individual variation in these species at both within- and between-morph levels is critical to understand the evolution of colour polymorphisms. Here we present analyses of inter-individual colour variation in the Reunion grey white-eye (Zosterops borbonicus), a colour polymorphic wild bird endemic to the island of Reunion in which all highland populations contain two sympatric colour morphs, with birds showing predominantly grey or brown plumage, respectively. We first quantified colour variation across multiple body areas by using a continuous plumage colour score to assess variation in brown-grey coloration as well as smaller scale variation in light patches. To examine the possible causes of among-individual variation, we tested if colour variation in plumage component elements could be explained by genotypes at two markers near a major-effect locus previously related to back coloration in this species, and by other factors such as age, sex and body condition. Overall, grey-brown coloration was largely determined by genetic factors and was best described by three distinct clusters that were associated to genotypic classes (homozygotes and heterozygote), with no effect of age or sex, whereas variation in smaller light patches was primarily related to age and sex. Our results highlight the importance of characterizing subtle plumage variation beyond morph categories that are readily observable since multiple patterns of colour variation may be driven by different mechanisms, have different functions and will likely respond in different ways to selection.
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Affiliation(s)
- Maya C Mould
- Station d'Ecologie Théorique et Expérimentale du CNRS and Université Paul Sabatier (Toulouse III), UPR 2001, Moulis, France
| | - Michèle Huet
- Station d'Ecologie Théorique et Expérimentale du CNRS and Université Paul Sabatier (Toulouse III), UPR 2001, Moulis, France
| | - Lou Senegas
- Station d'Ecologie Théorique et Expérimentale du CNRS and Université Paul Sabatier (Toulouse III), UPR 2001, Moulis, France
| | - Borja Milá
- National Museum of Natural Sciences, Spanish National Research Council (CSIC), Madrid, Spain
| | - Christophe Thébaud
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD), Université Paul Sabatier (Toulouse III), Toulouse Cedex, France
| | - Yann Bourgeois
- School of Biological Sciences, University of Portsmouth, Portsmouth, UK
| | - Alexis S Chaine
- Station d'Ecologie Théorique et Expérimentale du CNRS and Université Paul Sabatier (Toulouse III), UPR 2001, Moulis, France.,Institute for Advanced Studies in Toulouse, Toulouse, France
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3
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Cicero C, Mason NA, Oong Z, Title PO, Morales ME, Feldheim KA, Koo MS, Bowie RCK. Deep ecomorphological and genetic divergence in Steller's Jays ( Cyanocitta stelleri, Aves: Corvidae). Ecol Evol 2022; 12:e9517. [PMCID: PMC9712489 DOI: 10.1002/ece3.9517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 09/27/2022] [Accepted: 10/04/2022] [Indexed: 12/05/2022] Open
Abstract
The relationship between ecology and morphology is a cornerstone of evolutionary biology, and quantifying variation across environments can shed light on processes that give rise to biodiversity. Three morphotypes of the Steller's Jay (Cyanocitta stelleri) occupy different ecoregions in western North America, which vary in climate and landcover. These morphotypes (Coastal, Interior, Rocky Mountain) differ in size, plumage coloration, and head pattern. We sampled 1080 Steller's Jays from 68 populations (plus 11 outgroups) to address three main questions using data on morphology, plumage, genetics (mtDNA, microsatellites), and ecological niches: (1) How do phenotypic and genetic traits vary within and among populations, morphotypes, and ecoregions? (2) How do population‐level differences in Steller's Jays compare with other sister species pairs of North American birds? (3) What can we infer about the population history of Steller's Jays in relation to past climates, paleoecology, and niche evolution? We found substantial morphological, genetic, and ecological differentiation among morphotypes. The greatest genetic divergence separated Coastal and Interior morphotypes from the Rocky Mountain morphotype, which was associated with warmer, drier, and more open habitats. Microsatellites revealed additional structure between Coastal and Interior groups. The deep mtDNA split between Coastal/Interior and Rocky Mountain lineages of Steller's Jay (ND2 ~ 7.8%) is older than most North American avian sister species and dates to approximately 4.3 mya. Interior and Rocky Mountain morphotypes contact across a narrow zone with steep clines in traits and reduced gene flow. The distribution of the three morphotypes coincides with divergent varieties of ponderosa pine and Douglas fir. Species distribution models support multiple glacial refugia for Steller's Jays. Our integrative dataset combined with extensive geographic sampling provides compelling evidence for recognizing at least two species of Steller's Jay.
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Affiliation(s)
- Carla Cicero
- Museum of Vertebrate ZoologyUniversity of CaliforniaBerkeleyCaliforniaUSA
| | - Nicholas A. Mason
- Museum of Vertebrate ZoologyUniversity of CaliforniaBerkeleyCaliforniaUSA,Museum of Natural Science and Department of Biological SciencesLouisiana State UniversityBaton RougeLouisianaUSA
| | - Zheng Oong
- Museum of Vertebrate ZoologyUniversity of CaliforniaBerkeleyCaliforniaUSA,Bell Museum of Natural History and Department of Ecology, Evolution and BehaviorUniversity of MinnesotaSaint PaulMinnesotaUSA
| | - Pascal O. Title
- Environmental Resilience InstituteIndiana UniversityBloomingtonIndianaUSA,Department of Ecology & EvolutionStony Brook UniversityStony BrookNew YorkUSA
| | - Melissa E. Morales
- Museum of Vertebrate ZoologyUniversity of CaliforniaBerkeleyCaliforniaUSA
| | - Kevin A. Feldheim
- Pritzker Laboratory for Molecular Systematics and Evolution, Negaunee Integrative Research CenterField Museum of Natural HistoryChicagoIllinoisUSA
| | - Michelle S. Koo
- Museum of Vertebrate ZoologyUniversity of CaliforniaBerkeleyCaliforniaUSA
| | - Rauri C. K. Bowie
- Museum of Vertebrate ZoologyUniversity of CaliforniaBerkeleyCaliforniaUSA,Department of Integrative BiologyUniversity of CaliforniaBerkeleyCaliforniaUSA
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4
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Cheek RG, Forester BR, Salerno PE, Trumbo DR, Chen N, Sillett TS, Morrison SA, Ghalambor CK, Funk WC. Habitat-linked genetic variation supports microgeographic adaptive divergence in an island-endemic bird species. Mol Ecol 2022; 31:2830-2846. [PMID: 35315161 PMCID: PMC9325526 DOI: 10.1111/mec.16438] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 03/03/2022] [Accepted: 03/14/2022] [Indexed: 11/27/2022]
Abstract
We investigated the potential mechanisms driving habitat-linked genetic divergence within a bird species endemic to a single 250 km2 island. The island scrub-jay (Aphelocoma insularis) exhibits microgeographic divergence in bill morphology across pine-oak ecotones on Santa Cruz Island, California (USA) similar to adaptive differences described in mainland congeners over much larger geographic scales. To test whether individuals exhibit genetic differentiation related to habitat type and divergence in bill length, we genotyped over 3,000 single nucleotide polymorphisms (SNPs) in 123 adult island scrub-jay males from across Santa Cruz Island using restriction site-associated DNA sequencing (RADseq). Neutral landscape genomic analyses revealed that genome-wide genetic differentiation was primarily related to geographic distance and differences in habitat composition. We also found 168 putatively adaptive loci associated with habitat type using multivariate redundancy analysis (RDA) while controlling for spatial effects. Finally, two genome-wide association analyses revealed a polygenic basis to variation in bill length with multiple loci detected in or near genes known to affect bill morphology in other birds. Our findings support the hypothesis that divergent selection at microgeographic scales can cause adaptive divergence in the presence of ongoing gene flow.
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Affiliation(s)
- Rebecca G Cheek
- Department of Biology, Colorado State University, Fort Collins, Colorado, 80523, USA.,Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, 80523, USA
| | - Brenna R Forester
- Department of Biology, Colorado State University, Fort Collins, Colorado, 80523, USA
| | - Patricia E Salerno
- Department of Biology, Colorado State University, Fort Collins, Colorado, 80523, USA.,Centro de Investigación de la Biodiversidad y Cambio Climático (BioCamb), Facultad de Ciencias de Medio Ambiente, Universidad Tecnológica Indoamérica, Quito, Ecuador
| | - Daryl R Trumbo
- Department of Biology, Colorado State University, Fort Collins, Colorado, 80523, USA
| | - Nancy Chen
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - T Scott Sillett
- Migratory Bird Center, Smithsonian's National Zoo and Conservation Biology Institute, Washington, DC, 20013, USA
| | | | - Cameron K Ghalambor
- Department of Biology, Colorado State University, Fort Collins, Colorado, 80523, USA.,Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, 80523, USA.,Department of Biology, Centre for Biodiversity Dynamics (CBD), Norwegian University of Science and Technology (NTNU), N-7491, Trondheim, Norway
| | - W Chris Funk
- Department of Biology, Colorado State University, Fort Collins, Colorado, 80523, USA.,Graduate Degree Program in Ecology, Colorado State University, Fort Collins, Colorado, 80523, USA
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5
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Oliveros CH, Andersen MJ, Moyle RG. A phylogeny of white-eyes based on ultraconserved elements. Mol Phylogenet Evol 2021; 164:107273. [PMID: 34333115 DOI: 10.1016/j.ympev.2021.107273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 07/22/2021] [Accepted: 07/27/2021] [Indexed: 10/20/2022]
Abstract
White-eyes are an iconic radiation of passerine birds that have been the subject of studies in evolutionary biology, biogeography, and speciation theory. Zosterops white-eyes in particular are thought to have radiated rapidly across continental and insular regions of the Afro- and Indo-Pacific tropics, yet their phylogenetic history remains equivocal. Here, we sampled 77% of the genera and 47% of known white-eye species and sequenced thousands of ultraconserved elements to infer the phylogeny of the avian family Zosteropidae. We used concatenated maximum likelihood and species tree methods and found strong support for seven clades of white-eyes and three clades within the species-rich Zosterops radiation.
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Affiliation(s)
- Carl H Oliveros
- Department of Ecology and Evolutionary Biology and Biodiversity Institute, University of Kansas, Lawrence, KS 66045, USA
| | - Michael J Andersen
- Department of Biology and Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM 87131, USA
| | - Robert G Moyle
- Department of Ecology and Evolutionary Biology and Biodiversity Institute, University of Kansas, Lawrence, KS 66045, USA.
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6
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Bourgeois YXC, Bertrand JAM, Delahaie B, Holota H, Thébaud C, Milá B. Differential divergence in autosomes and sex chromosomes is associated with intra-island diversification at a very small spatial scale in a songbird lineage. Mol Ecol 2020; 29:1137-1153. [PMID: 32107807 DOI: 10.1111/mec.15396] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2019] [Revised: 02/12/2020] [Accepted: 02/20/2020] [Indexed: 12/16/2022]
Abstract
Recently diverged taxa showing marked phenotypic and ecological diversity provide optimal systems to understand the genetic processes underlying speciation. We used genome-wide markers to investigate the diversification of the Reunion grey white-eye (Zosterops borbonicus) on the small volcanic island of Reunion (Mascarene archipelago), where this species complex exhibits four geographical forms that are parapatrically distributed across the island and differ strikingly in plumage colour. One form restricted to the highlands is separated by a steep ecological gradient from three distinct lowland forms which meet at narrow hybrid zones that are not associated with environmental variables. Analyses of genomic variation based on single nucleotide polymorphism data from genotyping-by-sequencing and pooled RAD-seq approaches show that signatures of selection associated with elevation can be found at multiple regions across the genome, whereas most loci associated with the lowland forms are located on the Z sex chromosome. We identified TYRP1, a Z-linked colour gene, as a likely candidate locus underlying colour variation among lowland forms. Tests of demographic models revealed that highland and lowland forms diverged in the presence of gene flow, and divergence has progressed as gene flow was restricted by selection at loci across the genome. This system holds promise for investigating how adaptation and reproductive isolation shape the genomic landscape of divergence at multiple stages of the speciation process.
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Affiliation(s)
- Yann X C Bourgeois
- School of Biological Sciences, University of Portsmouth, Portsmouth, UK.,Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD), Université Paul Sabatier, Toulouse, France
| | - Joris A M Bertrand
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD), Université Paul Sabatier, Toulouse, France.,Laboratoire Génome & Développement des Plantes, UMR 5096, Université de Perpignan Via Domitia, Perpignan, France
| | - Boris Delahaie
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD), Université Paul Sabatier, Toulouse, France.,Department of Plant Sciences, University of Cambridge, Cambridge, UK
| | - Hélène Holota
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD), Université Paul Sabatier, Toulouse, France
| | - Christophe Thébaud
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Développement (IRD), Université Paul Sabatier, Toulouse, France
| | - Borja Milá
- National Museum of Natural Sciences, Spanish National Research Council (CSIC), Madrid, Spain
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7
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Gabrielli M, Nabholz B, Leroy T, Milá B, Thébaud C. Within-island diversification in a passerine bird. Proc Biol Sci 2020; 287:20192999. [PMID: 32183633 DOI: 10.1098/rspb.2019.2999] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The presence of congeneric taxa on the same island suggests the possibility of in situ divergence, but can also result from multiple colonizations of previously diverged lineages. Here, using genome-wide data from a large population sample, we test the hypothesis that intra-island divergence explains the occurrence of four geographical forms meeting at hybrid zones in the Reunion grey white-eye (Zosterops borbonicus), a species complex endemic to the small volcanic island of Reunion. Using population genomic and phylogenetic analyses, we reconstructed the population history of the different forms. We confirmed the monophyly of the complex and found that one of the lowland forms is paraphyletic and basal relative to others, a pattern highly consistent with in situ divergence. Our results suggest initial colonization of the island through the lowlands, followed by expansion into the highlands, which led to the evolution of a distinct geographical form, genetically and ecologically different from the lowland ones. Lowland forms seem to have experienced periods of geographical isolation, but they diverged from one another by sexual selection rather than niche change. Overall, low dispersal capabilities in this island bird combined with both geographical and ecological opportunities seem to explain how divergence occurred at such a small spatial scale.
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Affiliation(s)
- Maëva Gabrielli
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 (Université Paul Sabatier, CNRS, IRD), Toulouse, France
| | - Benoit Nabholz
- Institut des Sciences de l'Evolution de Montpellier, UMR 5554 (Université de Montpellier, CNRS, IRD, EPHE), Montpellier, France
| | - Thibault Leroy
- Institut des Sciences de l'Evolution de Montpellier, UMR 5554 (Université de Montpellier, CNRS, IRD, EPHE), Montpellier, France
| | - Borja Milá
- National Museum of Natural Sciences, Spanish National Research Council (CSIC), Madrid, Spain
| | - Christophe Thébaud
- Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174 (Université Paul Sabatier, CNRS, IRD), Toulouse, France
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8
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Cowles SA, Uy JAC. Rapid, complete reproductive isolation in two closely related
Zosterops
White‐eye bird species despite broadly overlapping ranges*. Evolution 2019; 73:1647-1662. [DOI: 10.1111/evo.13797] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 06/06/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Sarah A. Cowles
- Department of BiologyUniversity of Miami Coral Gables Florida 33146
| | - J. Albert C. Uy
- Department of BiologyUniversity of Miami Coral Gables Florida 33146
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9
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Affiliation(s)
- Rafael Maia
- Department of Ecology, Evolution and Environmental Biology, Columbia University, New York, NY, USA
| | - Thomas E White
- School of Life and Environmental Sciences, University of Sydney, Camperdown, Sydney, NSW, Australia
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10
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Delahaie B, Cornuault J, Masson C, Bertrand JAM, Bourgeois YXC, Milá B, Thébaud C. Narrow hybrid zones in spite of very low population differentiation in neutral markers in an island bird species complex. J Evol Biol 2017; 30:2132-2145. [DOI: 10.1111/jeb.13177] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 07/26/2017] [Accepted: 09/07/2017] [Indexed: 02/06/2023]
Affiliation(s)
- B. Delahaie
- Laboratoire Évolution et Diversité Biologique (EDB); UMR 5174 Centre National de la Recherche Scientifique (CNRS) - Université Paul Sabatier - Ecole Nationale de Formation Agronomique (ENFA); Toulouse France
- Centre d'Ecologie Fonctionnelle et Evolutive; CNRS-UMR5175 CEFE; Montpellier France
| | - J. Cornuault
- Laboratoire Évolution et Diversité Biologique (EDB); UMR 5174 Centre National de la Recherche Scientifique (CNRS) - Université Paul Sabatier - Ecole Nationale de Formation Agronomique (ENFA); Toulouse France
| | - C. Masson
- Laboratoire Évolution et Diversité Biologique (EDB); UMR 5174 Centre National de la Recherche Scientifique (CNRS) - Université Paul Sabatier - Ecole Nationale de Formation Agronomique (ENFA); Toulouse France
| | - J. A. M. Bertrand
- Laboratoire Évolution et Diversité Biologique (EDB); UMR 5174 Centre National de la Recherche Scientifique (CNRS) - Université Paul Sabatier - Ecole Nationale de Formation Agronomique (ENFA); Toulouse France
| | - Y. X. C. Bourgeois
- Laboratoire Évolution et Diversité Biologique (EDB); UMR 5174 Centre National de la Recherche Scientifique (CNRS) - Université Paul Sabatier - Ecole Nationale de Formation Agronomique (ENFA); Toulouse France
| | - B. Milá
- National Museum of Natural Sciences; Spanish National Research Council (CSIC); Madrid Spain
| | - C. Thébaud
- Laboratoire Évolution et Diversité Biologique (EDB); UMR 5174 Centre National de la Recherche Scientifique (CNRS) - Université Paul Sabatier - Ecole Nationale de Formation Agronomique (ENFA); Toulouse France
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11
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Enbody ED, Lantz SM, Karubian J. Production of plumage ornaments among males and females of two closely related tropical passerine bird species. Ecol Evol 2017; 7:4024-4034. [PMID: 28616197 PMCID: PMC5468133 DOI: 10.1002/ece3.3000] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 01/30/2017] [Accepted: 03/17/2017] [Indexed: 02/05/2023] Open
Abstract
The evolution of elaborate secondary sexual traits (i.e., ornaments) is well‐studied in males but less so in females. Similarity in the appearance of ornaments between males and females supports the view that female ornaments arise as a neutral byproduct of selection on male traits due to genetic correlation between sexes, but recent research suggests an adaptive function of female ornaments in at least some contexts. Information on the degree to which production of ornaments differs between the sexes can shed light on these alternative perspectives. We therefore characterized the structural underpinnings of melanin‐based plumage production in males and females of two closely related passerine bird species (genus Malurus). Importantly, both ornamented and unornamented phenotypes in each sex are present between these two species, providing an opportunity to test the null expectation of equivalent modes of production in male and female ornamented phenotypes. In Malurus alboscapulatus, ornamented females are qualitatively similar to males, but we describe a distinctive ornamented female phenotype that differs from that of males in lacking a blue sheen and in lower feather barbule density. In M. melanocephalus, unornamented males and females are also similar in appearance, and we describe a similarity between unornamented phenotypes of males and females in both color and underlying feather barbule structure and pigment composition. Unornamented male M. melanocephalus can flexibly transition to the ornamented phenotype in weeks, and we found extreme differences in color and feather structure between these two alternative male phenotypes. These results contradict the idea that female ornaments have evolved in this system following a simple switch to male‐like plumage by demonstrating greater complexity in the production of the ornamented phenotype in males than in females.
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Affiliation(s)
- Erik D Enbody
- Department of Ecology and Evolutionary Biology Tulane University New Orleans LA USA
| | - Samantha M Lantz
- Department of Ecology and Evolutionary Biology Tulane University New Orleans LA USA
| | - Jordan Karubian
- Department of Ecology and Evolutionary Biology Tulane University New Orleans LA USA
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12
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Bourgeois YXC, Delahaie B, Gautier M, Lhuillier E, Malé PJG, Bertrand JAM, Cornuault J, Wakamatsu K, Bouchez O, Mould C, Bruxaux J, Holota H, Milá B, Thébaud C. A novel locus on chromosome 1 underlies the evolution of a melanic plumage polymorphism in a wild songbird. ROYAL SOCIETY OPEN SCIENCE 2017; 4:160805. [PMID: 28386436 PMCID: PMC5367300 DOI: 10.1098/rsos.160805] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 01/12/2017] [Indexed: 06/07/2023]
Abstract
Understanding the mechanisms responsible for phenotypic diversification within and among species ultimately rests with linking naturally occurring mutations to functionally and ecologically significant traits. Colour polymorphisms are of great interest in this context because discrete colour patterns within a population are often controlled by just a few genes in a common environment. We investigated how and why phenotypic diversity arose and persists in the Zosterops borbonicus white-eye of Reunion (Mascarene archipelago), a colour polymorphic songbird in which all highland populations contain individuals belonging to either a brown or a grey plumage morph. Using extensive phenotypic and genomic data, we demonstrate that this melanin-based colour polymorphism is controlled by a single locus on chromosome 1 with two large-effect alleles, which was not previously described as affecting hair or feather colour. Differences between colour morphs appear to rely upon complex cis-regulatory variation that either prevents the synthesis of pheomelanin in grey feathers, or increases its production in brown ones. We used coalescent analyses to show that, from a 'brown' ancestral population, the dominant 'grey' allele spread quickly once it arose from a new mutation. Since colour morphs are always found in mixture, this implies that the selected allele does not go to fixation, but instead reaches an intermediate frequency, as would be expected under balancing selection.
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Affiliation(s)
- Yann X. C. Bourgeois
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Boris Delahaie
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Mathieu Gautier
- INRA, UMR 1062 CBGP (INRA, IRD, Cirad, Montpellier SupAgro), Campus de Baillarguet, 34988 Montferrier-sur-Lez, France
| | - Emeline Lhuillier
- INRA, GeT-PlaGe, Genotoul, 24 chemin de Borde Rouge, Auzeville, CS 52627, 31326 Castanet-Tolosan, France
- INRA, UAR1209, 24 chemin de Borde Rouge, Auzeville, CS 52627, 31326 Castanet-Tolosan, France
| | - Pierre-Jean G. Malé
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Joris A. M. Bertrand
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Josselin Cornuault
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Kazumasa Wakamatsu
- Department of Chemistry, Fujita Health University, School of Health Sciences, Toyoake Aichi 470-1192, Japan
| | - Olivier Bouchez
- INRA, GeT-PlaGe, Genotoul, 24 chemin de Borde Rouge, Auzeville, CS 52627, 31326 Castanet-Tolosan, France
- GenPhySE, Université de Toulouse, INRA, INPT, INP-ENVT, 24 chemin de Borde Rouge, Auzeville, CS 52627, 31326 Castanet-Tolosan, France
| | - Claire Mould
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Jade Bruxaux
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Hélène Holota
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
| | - Borja Milá
- National Museum of Natural Sciences, Spanish National Research Council (CSIC), 28006 Madrid, Spain
| | - Christophe Thébaud
- Laboratoire Évolution et Diversité Biologique, UMR5174 CNRS, Université Paul Sabatier – ENFA, 31062 Toulouse Cedex 9, France
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13
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Bourgeois YXC, Bertrand JAM, Delahaie B, Cornuault J, Duval T, Milá B, Thébaud C. Candidate Gene Analysis Suggests Untapped Genetic Complexity in Melanin-Based Pigmentation in Birds. J Hered 2016; 107:327-35. [PMID: 26995742 DOI: 10.1093/jhered/esw017] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Accepted: 03/15/2016] [Indexed: 12/22/2022] Open
Abstract
Studies on melanin-based color variation in a context of natural selection have provided a wealth of information on the link between phenotypic and genetic variation. Here, we evaluated associations between melanic plumage patterns and genetic polymorphism in the Réunion grey white-eye (Zosterops borbonicus), a species in which mutations on MC1R do not seem to play any role in explaining melanic variation. This species exhibits 5 plumage color variants that can be grouped into 3 color forms which occupy discrete geographic regions in the lowlands of Réunion, and a fourth high-elevation form which comprises 2 color morphs (grey and brown) and represents a true color polymorphism. We conducted a comprehensive survey of sequence variation in 96 individuals at a series of 7 candidate genes other than MC1R that have been previously shown to influence melanin-based color patterns in vertebrates, including genes that have rarely been studied in a wild bird species before: POMC, Agouti, TYR, TYRP1, DCT, Corin, and SLC24A5 Of these 7 genes, 2 (Corin and TYRP1) displayed an interesting shift in allele frequencies between lowland and highland forms and a departure from mutation-drift equilibrium consistent with balancing selection in the polymorphic highland form only. Sequence variation at Agouti, a gene frequently involved in melanin-based pigmentation patterning, was not associated with color forms or morphs. Thus, we suggest that functionally important changes in loci other than those classically studied are involved in the color polymorphism exhibited by the Réunion grey white-eye and possibly many other nonmodel species.
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Affiliation(s)
- Yann X C Bourgeois
- From the Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174, Université Paul Sabatier, Toulouse 3-Centre National de la Recherche Scientifique (CNRS)-École Nationale de Formation Agronomique (ENFA), 118 route de Narbonne, F-31062 Toulouse, France (Bourgeois, Bertrand, Delahaie, Cornuault, and Thébaud); Hémisphères, BP 438, 98822 Poindimié, Nouvelle-Calédonie (Duval); and Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), José Gutiérrez Abascal 2, Madrid E-28006, Spain (Milá).
| | - Joris A M Bertrand
- From the Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174, Université Paul Sabatier, Toulouse 3-Centre National de la Recherche Scientifique (CNRS)-École Nationale de Formation Agronomique (ENFA), 118 route de Narbonne, F-31062 Toulouse, France (Bourgeois, Bertrand, Delahaie, Cornuault, and Thébaud); Hémisphères, BP 438, 98822 Poindimié, Nouvelle-Calédonie (Duval); and Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), José Gutiérrez Abascal 2, Madrid E-28006, Spain (Milá)
| | - Boris Delahaie
- From the Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174, Université Paul Sabatier, Toulouse 3-Centre National de la Recherche Scientifique (CNRS)-École Nationale de Formation Agronomique (ENFA), 118 route de Narbonne, F-31062 Toulouse, France (Bourgeois, Bertrand, Delahaie, Cornuault, and Thébaud); Hémisphères, BP 438, 98822 Poindimié, Nouvelle-Calédonie (Duval); and Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), José Gutiérrez Abascal 2, Madrid E-28006, Spain (Milá)
| | - Josselin Cornuault
- From the Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174, Université Paul Sabatier, Toulouse 3-Centre National de la Recherche Scientifique (CNRS)-École Nationale de Formation Agronomique (ENFA), 118 route de Narbonne, F-31062 Toulouse, France (Bourgeois, Bertrand, Delahaie, Cornuault, and Thébaud); Hémisphères, BP 438, 98822 Poindimié, Nouvelle-Calédonie (Duval); and Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), José Gutiérrez Abascal 2, Madrid E-28006, Spain (Milá)
| | - Thomas Duval
- From the Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174, Université Paul Sabatier, Toulouse 3-Centre National de la Recherche Scientifique (CNRS)-École Nationale de Formation Agronomique (ENFA), 118 route de Narbonne, F-31062 Toulouse, France (Bourgeois, Bertrand, Delahaie, Cornuault, and Thébaud); Hémisphères, BP 438, 98822 Poindimié, Nouvelle-Calédonie (Duval); and Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), José Gutiérrez Abascal 2, Madrid E-28006, Spain (Milá)
| | - Borja Milá
- From the Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174, Université Paul Sabatier, Toulouse 3-Centre National de la Recherche Scientifique (CNRS)-École Nationale de Formation Agronomique (ENFA), 118 route de Narbonne, F-31062 Toulouse, France (Bourgeois, Bertrand, Delahaie, Cornuault, and Thébaud); Hémisphères, BP 438, 98822 Poindimié, Nouvelle-Calédonie (Duval); and Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), José Gutiérrez Abascal 2, Madrid E-28006, Spain (Milá)
| | - Christophe Thébaud
- From the Laboratoire Évolution et Diversité Biologique (EDB), UMR 5174, Université Paul Sabatier, Toulouse 3-Centre National de la Recherche Scientifique (CNRS)-École Nationale de Formation Agronomique (ENFA), 118 route de Narbonne, F-31062 Toulouse, France (Bourgeois, Bertrand, Delahaie, Cornuault, and Thébaud); Hémisphères, BP 438, 98822 Poindimié, Nouvelle-Calédonie (Duval); and Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), José Gutiérrez Abascal 2, Madrid E-28006, Spain (Milá)
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14
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Bertrand JAM, Delahaie B, Bourgeois YXC, Duval T, García-Jiménez R, Cornuault J, Pujol B, Thébaud C, Milá B. The role of selection and historical factors in driving population differentiation along an elevational gradient in an island bird. J Evol Biol 2016; 29:824-36. [DOI: 10.1111/jeb.12829] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 01/10/2016] [Indexed: 01/31/2023]
Affiliation(s)
- J. A. M. Bertrand
- Laboratoire Évolution et Diversité Biologique; UMR 5174; Université Paul Sabatier; Toulouse 3 - Centre National de la Recherche Scientifique (CNRS) - École Nationale de Formation Agronomique (ENFA); Toulouse Cedex 9 France
| | - B. Delahaie
- Laboratoire Évolution et Diversité Biologique; UMR 5174; Université Paul Sabatier; Toulouse 3 - Centre National de la Recherche Scientifique (CNRS) - École Nationale de Formation Agronomique (ENFA); Toulouse Cedex 9 France
| | - Y. X. C. Bourgeois
- Laboratoire Évolution et Diversité Biologique; UMR 5174; Université Paul Sabatier; Toulouse 3 - Centre National de la Recherche Scientifique (CNRS) - École Nationale de Formation Agronomique (ENFA); Toulouse Cedex 9 France
| | - T. Duval
- Hémisphères; Poindimié New Caledonia
| | - R. García-Jiménez
- National Museum of Natural Sciences; Spanish National Research Council (CSIC); Madrid Spain
| | - J. Cornuault
- Laboratoire Évolution et Diversité Biologique; UMR 5174; Université Paul Sabatier; Toulouse 3 - Centre National de la Recherche Scientifique (CNRS) - École Nationale de Formation Agronomique (ENFA); Toulouse Cedex 9 France
| | - B. Pujol
- Laboratoire Évolution et Diversité Biologique; UMR 5174; Université Paul Sabatier; Toulouse 3 - Centre National de la Recherche Scientifique (CNRS) - École Nationale de Formation Agronomique (ENFA); Toulouse Cedex 9 France
| | - C. Thébaud
- Laboratoire Évolution et Diversité Biologique; UMR 5174; Université Paul Sabatier; Toulouse 3 - Centre National de la Recherche Scientifique (CNRS) - École Nationale de Formation Agronomique (ENFA); Toulouse Cedex 9 France
| | - B. Milá
- National Museum of Natural Sciences; Spanish National Research Council (CSIC); Madrid Spain
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15
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Morphological and plumage colour variation in the Réunion grey white-eye (Aves:Zosterops borbonicus): assessing the role of selection. Biol J Linn Soc Lond 2015. [DOI: 10.1111/bij.12617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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