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Machkour-M’Rabet S, Santamaría-Rivero W, Dzib-Chay A, Torres Cristiani L, MacKinnon-Haskins B. Multi-character approach reveals a new mangrove population of the Yellow Warbler complex, Setophaga petechia, on Cozumel Island, Mexico. PLoS One 2023; 18:e0287425. [PMID: 37347741 PMCID: PMC10287016 DOI: 10.1371/journal.pone.0287425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 06/06/2023] [Indexed: 06/24/2023] Open
Abstract
The Setophaga petechia complex includes 43 subspecies distributed within the new world, of which some are migratory and others are resident, with only two resident subspecies in the Mexican Caribbean: Setophaga petechia bryanti a mangrove subspecies belonging to the erithachorides group resident on the mainland of the Yucatan Peninsula and Setophaga petechia rufivertex endemic to Cozumel Island and belonging to the petechia group. Recently, a new population of individuals presenting intermediate phenotypic traits and living in mangrove ecosystems was discovered and reported for Cozumel Island. In this study, we used a multi-character approach including genetic (five ISSR genetic markers), morphometric (eight traits), phenotypic (four characteristics of males), and acoustic dataset (11 parameters) to understand the process of differentiation and the status of these new island individuals in relation to the two well-established subspecies using a total of 60 individuals (20 for each group). Through multivariate analyses based on different dataset used in our study, we show how the new population is related to the endemic island subspecies, S. p. rufivertex and to the mainland subspecies, S. p. bryanti while demonstrating finite differences. We conclude that the new population of S. petechia on Cozumel Island is a well-established population with high level of differentiation.
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Affiliation(s)
- Salima Machkour-M’Rabet
- Laboratorio de Ecología Molecular y Conservación, Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur (ECOSUR), Chetumal, Quintana Roo, México
| | | | | | - Leopoldo Torres Cristiani
- Laboratorio de Ecología Molecular y Conservación, Departamento de Conservación de la Biodiversidad, El Colegio de la Frontera Sur (ECOSUR), Chetumal, Quintana Roo, México
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Baiz MD, Benavides C A, Miller ET, Wood AW, Toews DPL. Gut microbiome composition better reflects host phylogeny than diet diversity in breeding wood-warblers. Mol Ecol 2023; 32:518-536. [PMID: 36325817 DOI: 10.1111/mec.16762] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 09/28/2022] [Accepted: 10/06/2022] [Indexed: 11/06/2022]
Abstract
Understanding the factors that shape microbiomes can provide insight into the importance of host-symbiont interactions and on co-evolutionary dynamics. Unlike for mammals, previous studies have found little or no support for an influence of host evolutionary history on avian gut microbiome diversity and instead have suggested a greater influence of the environment or diet due to fast gut turnover. Because effects of different factors may be conflated by captivity and sampling design, examining natural variation using large sample sizes is important. Our goal was to overcome these limitations by sampling wild birds to compare environmental, dietary and evolutionary influences on gut microbiome structure. We performed faecal metabarcoding to characterize both the gut microbiome and diet of 15 wood-warbler species across a 4-year period and from two geographical localities. We find host taxonomy generally explained ~10% of the variation between individuals, which is ~6-fold more variation of any other factor considered, including diet diversity. Further, gut microbiome similarity was more congruent with the host phylogeny than with host diet similarity and we found little association between diet diversity and microbiome diversity. Together, our results suggest evolutionary history is the strongest predictor of gut microbiome differentiation among wood-warblers. Although the phylogenetic signal of the warbler gut microbiome is not very strong, our data suggest that a stronger influence of diet (as measured by diet diversity) does not account for this pattern. The mechanism underlying this phylogenetic signal is not clear, but we argue host traits may filter colonization and maintenance of microbes.
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Affiliation(s)
- Marcella D Baiz
- Department of Biology, Pennylvania State University, University Park, Pennsylvania, USA
| | - Andrea Benavides C
- Department of Biology, Pennylvania State University, University Park, Pennsylvania, USA
| | | | - Andrew W Wood
- Department of Biology, Pennylvania State University, University Park, Pennsylvania, USA
| | - David P L Toews
- Department of Biology, Pennylvania State University, University Park, Pennsylvania, USA
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Toews DPL, Rhinehart TA, Mulvihill R, Galen S, Gosser SM, Johnson T, Williamson JL, Wood AW, Latta SC. Genetic confirmation of a hybrid between two highly divergent cardinalid species: A rose-breasted grosbeak ( Pheucticus ludovicianus) and a scarlet tanager ( Piranga olivacea). Ecol Evol 2022; 12:e9152. [PMID: 35928797 PMCID: PMC9343856 DOI: 10.1002/ece3.9152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 06/26/2022] [Accepted: 07/07/2022] [Indexed: 12/04/2022] Open
Abstract
Using low‐coverage whole‐genome sequencing, analysis of vocalizations, and inferences from natural history, we document a first‐generation hybrid between a rose‐breasted grosbeak (Pheucticus ludovicianus) and a scarlet tanager (Piranga olivacea). These two species occur sympatrically throughout much of eastern North America, although were not previously known to interbreed. Following the field identification of a putative hybrid, we use genetic and bioacoustic data to show that a rose‐breasted grosbeak was the maternal parent and a scarlet tanager was the paternal parent of the hybrid, whose song was similar to the latter species. These two species diverged >10 million years ago, and thus it is surprising to find a hybrid formed under natural conditions in the wild. Notably, the hybrid has an exceptionally heterozygous genome, with a conservative estimate of a heterozygous base every 100 bp. The observation that this hybrid of such highly divergent parental taxa has survived until adulthood serves as another example of the capacity for hybrid birds to survive with an exceptionally divergent genomic composition.
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Affiliation(s)
- David P L Toews
- Department of Biology, 619 Mueller Laboratory Pennsylvania State University University Park Pennsylvania USA
| | - Tessa A Rhinehart
- Department of Biological Sciences University of Pittsburgh Pittsburgh Pennsylvania USA
| | - Robert Mulvihill
- Department of Conservation and Field Research National Aviary Pittsburgh Pennsylvania USA
| | - Spencer Galen
- Biology Department University of Scranton Scranton Pennsylvania USA
| | | | - Tom Johnson
- The Academy of Natural Sciences of Drexel University Philadelphia Pennsylvania USA
| | - Jessie L Williamson
- Department of Biology and Museum of Southwestern Biology University of New Mexico Albuquerque New Mexico USA
| | - Andrew W Wood
- Department of Biology, 619 Mueller Laboratory Pennsylvania State University University Park Pennsylvania USA
| | - Steven C Latta
- Department of Conservation and Field Research National Aviary Pittsburgh Pennsylvania USA
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Päckert M. No hybrid snowcocks in the Altai-Hyper-variable markers can be problematic for phylogenetic inference. Ecol Evol 2021; 11:16354-16364. [PMID: 34824832 PMCID: PMC8601899 DOI: 10.1002/ece3.8199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/24/2021] [Accepted: 09/10/2021] [Indexed: 11/10/2022] Open
Abstract
A recent article in Ecology and Evolution featured the discovery of hybrid snowcocks (Tetraogallus) and speculated on the hybrid origin of an extant species (T. altaicus). Comprehensive re-analyses of original data from the latter paper reliably refute the phylogenetic hypothesis taken as firm evidence of a past hybridization event in these birds. The new re-analyses showed that there is no evidence of hybridization in these snowcocks from the data available so far.
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Affiliation(s)
- Martin Päckert
- Senckenberg Natural History Collections Museum of Zoology Dresden Germany
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Porter CK, Confer JL, Aldinger KR, Canterbury RA, Larkin JL, McNeil DJ. Strong yet incomplete reproductive isolation in Vermivora is not contradicted by other lines of evidence: A reply to Toews et al. Ecol Evol 2021; 11:10724-10730. [PMID: 34367609 PMCID: PMC8328446 DOI: 10.1002/ece3.7763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 05/14/2021] [Accepted: 05/21/2021] [Indexed: 11/16/2022] Open
Abstract
Toews et al. assert that strong reproductive isolation in Vermivora is inconsistent with other lines of evidence. Here, we discuss how strong yet incomplete reproductive isolation is consistent with other results from this system.
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Affiliation(s)
- Cody K. Porter
- Wildlife Biology ProgramLees‐McRae CollegeBanner ElkNCUSA
| | | | - Kyle R. Aldinger
- West Virginia Cooperative Fish and Wildlife Research UnitDivision of Forestry and Natural ResourcesWest Virginia UniversityMorgantownWVUSA
| | | | | | - Darin J. McNeil
- Department of EntomologyThe Pennsylvania State UniversityUniversity ParkPAUSA
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Pigmentation Genes Show Evidence of Repeated Divergence and Multiple Bouts of Introgression in Setophaga Warblers. Curr Biol 2021; 31:643-649.e3. [DOI: 10.1016/j.cub.2020.10.094] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 01/15/2023]
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Toews DPL, Kramer GR, Jones AW, Brennan CL, Cloud BE, Andersen DE, Lovette IJ, Streby H. Genomic identification of intergeneric hybrids in New World wood-warblers (Aves: Parulidae). Biol J Linn Soc Lond 2020. [DOI: 10.1093/biolinnean/blaa085] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
AbstractThe documentation of hybrids between distantly related taxa can illustrate an initial step to explain how genes might move between species that do not exhibit complete reproductive isolation. In birds, some of the most phylogenetically distant hybrid combinations occur between genera. Traditionally, morphological and plumage characters have been used to assign the identity of the parental species of a putative hybrid, although recently, nuclear introns also have been used. Here, we demonstrate how high-throughput short-read DNA sequence data can be used to identify the parentage of a putative intergeneric hybrid, in this case between a blue-winged warbler (Vermivora cyanoptera) and a cerulean warbler (Setophaga cerulea). This hybrid had mitochondrial DNA of a cerulean warbler, indicating the maternal parent. For hundreds of single nucleotide polymorphisms within six regions of the nuclear genome that differentiate blue-winged warblers and golden-winged warblers (Vermivora chrysoptera), the hybrid had roughly equal ancestry assignment to blue-winged and cerulean warblers, suggesting a blue-winged warbler as the paternal parent species and demonstrating that this was a first generation (F1) hybrid between these species. Unlike other recently characterized intergeneric warbler hybrids, this individual hybrid learned to song match its maternal parent species, suggesting that it might have been the result of an extra-pair mating and raised in a cerulean warbler nest.
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Affiliation(s)
- David P L Toews
- Department of Biology, Pennsylvania State University, State College, PA, USA
| | - Gunnar R Kramer
- Department of Environmental Sciences, University of Toledo, Toledo, OH, USA
| | | | | | - Benjamin E Cloud
- Department of Biology, University of Kentucky, Lexington, KY, USA
| | - David E Andersen
- US Geological Survey, Minnesota Cooperative Fish and Wildlife Research Unit, University of Minnesota, St Paul, MN, USA
| | - Irby J Lovette
- Cornell Lab of Ornithology, Cornell University, Ithaca, NY, USA
| | - Henry Streby
- Department of Environmental Sciences, University of Toledo, Toledo, OH, USA
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Abstract
Introgressive hybridization can affect the evolution of populations in several important ways. It may retard or reverse divergence of species, enable the development of novel traits, enhance the potential for future evolution by elevating levels of standing variation, create new species, and alleviate inbreeding depression in small populations. Most of what is known of contemporary hybridization in nature comes from the study of pairs of species, either coexisting in the same habitat or distributed parapatrically and separated by a hybrid zone. More rarely, three species form an interbreeding complex (triad), reported in vertebrates, insects, and plants. Often, one species acts as a genetic link or conduit for the passage of genes (alleles) between two others that rarely, if ever, hybridize. Demographic and genetic consequences are unknown. Here we report results of a long-term study of interbreeding Darwin's finches on Daphne Major island, Galápagos. Geospiza fortis acted as a conduit for the passage of genes between two others that have never been observed to interbreed on Daphne: Geospiza fuliginosa, a rare immigrant, and Geospiza scandens, a resident. Microsatellite gene flow from G. fortis into G. scandens increased in frequency during 30 y of favorable ecological conditions, resulting in genetic and morphological convergence. G. fortis, G. scandens, and the derived dihybrids and trihybrids experienced approximately equal fitness. Especially relevant to young adaptive radiations, where species differ principally in ecology and behavior, these findings illustrate how new combinations of genes created by hybridization among three species can enhance the potential for evolutionary change.
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Toews DPL, Streby HM, Burket L, Taylor SA. A wood-warbler produced through both interspecific and intergeneric hybridization. Biol Lett 2018; 14:rsbl.2018.0557. [PMID: 30404868 DOI: 10.1098/rsbl.2018.0557] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 10/09/2018] [Indexed: 01/16/2023] Open
Abstract
Hybridization between divergent taxa can provide insight into the breakdown of characters used in mate choice, as well as reproductive compatibility across deep evolutionary timescales. Hybridization can also occur more frequently in declining populations, as there is a smaller pool of conspecific mates from which to choose. Here, we report an unusual combination of factors that has resulted in a rare, three-species hybridization event among two genera of warblers, one of which is experiencing significant population declines. We use bioacoustic, morphometric and genetic data, to demonstrate that an early generation female hybrid between a golden-winged warbler (Vermivora chrysoptera) and a blue-winged warbler (V. cyanoptera) went on to mate and successfully reproduce with a chestnut-sided warbler (Setophaga pensylvanica). We studied the product of this event-a putative chrysoptera × cyanoptera × pensylvanica hybrid-and show that this male offspring sang songs like S. pensylvanica, but had morphometric traits similar to Vermivora warblers. The hybrid's maternal parent had V. chrysoptera mitochondrial DNA and, with six plumage-associated loci, we predicted the maternal parent's phenotype to show that it was likely an early generation Vermivora hybrid. That this hybridization event occurred within a population of Vermivora warblers in significant decline suggests that females may be making the best of a bad situation, and that wood-warblers in general have remained genetically compatible long after they evolved major phenotypic differences.
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Affiliation(s)
- David P L Toews
- Fuller Evolutionary Biology Program, Cornell Lab of Ornithology, Cornell University, Ithaca, NY, USA
| | - Henry M Streby
- Department of Environmental Sciences, University of Toledo, Toledo, OH, USA
| | | | - Scott A Taylor
- Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, USA
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