1
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Grether GF, Finneran AE, Drury JP. Niche differentiation, reproductive interference, and range expansion. Ecol Lett 2024; 27:e14350. [PMID: 38062899 DOI: 10.1111/ele.14350] [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: 08/28/2023] [Revised: 11/23/2023] [Accepted: 11/23/2023] [Indexed: 01/31/2024]
Abstract
Understanding species distributions and predicting future range shifts requires considering all relevant abiotic factors and biotic interactions. Resource competition has received the most attention, but reproductive interference is another widespread biotic interaction that could influence species ranges. Rubyspot damselflies (Hetaerina spp.) exhibit a biogeographic pattern consistent with the hypothesis that reproductive interference has limited range expansion. Here, we use ecological niche models to evaluate whether this pattern could have instead been caused by niche differentiation. We found evidence for climatic niche differentiation, but the species that encounters the least reproductive interference has one of the narrowest and most peripheral niches. These findings strengthen the case that reproductive interference has limited range expansion and also provide a counterexample to the idea that release from negative species interactions triggers niche expansion. We propose that release from reproductive interference enables species to expand in range while specializing on the habitats most suitable for breeding.
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Affiliation(s)
- Gregory F Grether
- Department of Ecology & Evolutionary Biology, University of California Los Angeles, Los Angeles, California, USA
| | - Ann E Finneran
- Department of Ecology & Evolutionary Biology, University of California Los Angeles, Los Angeles, California, USA
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2
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Vega-Sánchez YM, Oyama K, Mendoza-Cuenca LF, Gaytán-Legaria R, González-Rodríguez A. Genomic differentiation and niche divergence in the Hetaerina americana (Odonata) cryptic species complex. Mol Ecol 2024; 33:e17207. [PMID: 37975486 DOI: 10.1111/mec.17207] [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: 08/17/2023] [Revised: 10/11/2023] [Accepted: 10/27/2023] [Indexed: 11/19/2023]
Abstract
The evolution of reproductive barriers, that is, the speciation process, implies the limitation of gene flow between populations. Different patterns of genomic differentiation throughout the speciation continuum may provide insights into the causal evolutionary forces of species divergence. In this study, we analysed a cryptic species complex of the genus Hetaerina (Odonata). This complex includes H. americana and H. calverti; however, in H. americana two highly differentiated genetic groups have been previously detected, which, we hypothesize, may correspond to different species with low morphological variation. We obtained single nucleotide polymorphism (SNP) data for 90 individuals belonging to the different taxa in the complex and carried out differentiation tests to identify genetic isolation. The results from STRUCTURE and discriminant analysis of principal components (DAPC), based on almost 5000 SNPs, confirmed the presence of three highly differentiated taxa. Also, we found FST values above 0.5 in pairwise comparisons, which indicates a considerable degree of genetic isolation among the suggested species. We also found low climatic niche overlap among all taxa, suggesting that each group occurs at specific conditions of temperature, precipitation and elevation. We propose that H. americana comprises two cryptic species, which may be reproductively isolated by ecological barriers related to niche divergence, since the morphological variation is minimal and, therefore, mechanical barriers are probably less effective compared to other related species such as H. calverti.
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Affiliation(s)
- Yesenia Margarita Vega-Sánchez
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México (UNAM), Morelia, Mexico
| | - Ken Oyama
- Escuela Nacional de Estudios Superiores (ENES) Unidad Morelia, Universidad Nacional Autónoma de México (UNAM), Morelia, Mexico
| | | | - Ricardo Gaytán-Legaria
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México (UNAM), Morelia, Mexico
| | - Antonio González-Rodríguez
- Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México (UNAM), Morelia, Mexico
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3
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Grether GF, Beninde J, Beraut E, Chumchim N, Escalona M, MacDonald ZG, Miller C, Sahasrabudhe R, Shedlock AM, Toffelmier E, Shaffer HB. Reference genome for the American rubyspot damselfly, Hetaerina americana. J Hered 2023; 114:385-394. [PMID: 37195415 PMCID: PMC10287145 DOI: 10.1093/jhered/esad031] [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: 10/05/2022] [Accepted: 05/07/2023] [Indexed: 05/18/2023] Open
Abstract
Damselflies and dragonflies (Order: Odonata) play important roles in both aquatic and terrestrial food webs and can serve as sentinels of ecosystem health and predictors of population trends in other taxa. The habitat requirements and limited dispersal of lotic damselflies make them especially sensitive to habitat loss and fragmentation. As such, landscape genomic studies of these taxa can help focus conservation efforts on watersheds with high levels of genetic diversity, local adaptation, and even cryptic endemism. Here, as part of the California Conservation Genomics Project (CCGP), we report the first reference genome for the American rubyspot damselfly, Hetaerina americana, a species associated with springs, streams and rivers throughout California. Following the CCGP assembly pipeline, we produced two de novo genome assemblies. The primary assembly includes 1,630,044,487 base pairs, with a contig N50 of 5.4 Mb, a scaffold N50 of 86.2 Mb, and a BUSCO completeness score of 97.6%. This is the seventh Odonata genome to be made publicly available and the first for the subfamily Hetaerininae. This reference genome fills an important phylogenetic gap in our understanding of Odonata genome evolution, and provides a genomic resource for a host of interesting ecological, evolutionary, and conservation questions for which the rubyspot damselfly genus Hetaerina is an important model system.
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Affiliation(s)
- Gregory F Grether
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, CA 90095-1606, United States
- La Kretz Center for California Conservation Science, Institute of the Environment and Sustainability, University of California Los Angeles, Los Angeles, CA 90095-7239, United States
| | - Joscha Beninde
- La Kretz Center for California Conservation Science, Institute of the Environment and Sustainability, University of California Los Angeles, Los Angeles, CA 90095-7239, United States
| | - Eric Beraut
- Department of Ecology and Evolutionary Biology, University of California Santa Cruz, Santa Cruz, CA 95064, United States
| | - Noravit Chumchim
- DNA Technologies and Expression Analysis Core Laboratory, University of California Davis, Davis, CA 95616, United States
| | - Merly Escalona
- Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, CA 95064, United States
| | - Zachary G MacDonald
- La Kretz Center for California Conservation Science, Institute of the Environment and Sustainability, University of California Los Angeles, Los Angeles, CA 90095-7239, United States
| | - Courtney Miller
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, CA 90095-1606, United States
- La Kretz Center for California Conservation Science, Institute of the Environment and Sustainability, University of California Los Angeles, Los Angeles, CA 90095-7239, United States
| | - Ruta Sahasrabudhe
- DNA Technologies and Expression Analysis Core Laboratory, University of California Davis, Davis, CA 95616, United States
| | - Andrew M Shedlock
- Department of Biology, College of Charleston, Charleston, SC 29424, United States
| | - Erin Toffelmier
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, CA 90095-1606, United States
- La Kretz Center for California Conservation Science, Institute of the Environment and Sustainability, University of California Los Angeles, Los Angeles, CA 90095-7239, United States
| | - H Bradley Shaffer
- Department of Ecology and Evolutionary Biology, University of California Los Angeles, Los Angeles, CA 90095-1606, United States
- La Kretz Center for California Conservation Science, Institute of the Environment and Sustainability, University of California Los Angeles, Los Angeles, CA 90095-7239, United States
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Andrade-González VM, Vázquez-Miranda H, Ornelas-García CP, Sosa-López JR. Ecological factors drive the divergence of morphological, colour and behavioural traits in cactus wrens (Aves, Troglodytidae). Proc Biol Sci 2023; 290:20230215. [PMID: 37312552 PMCID: PMC10265019 DOI: 10.1098/rspb.2023.0215] [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: 02/08/2023] [Accepted: 05/24/2023] [Indexed: 06/15/2023] Open
Abstract
The study of ecological mechanisms influencing organisms' phenotypic variation is a central subject of evolutionary biology. In this study, we characterized morphological, plumage colour and acoustic variation in cactus wrens Campylorhynchus brunneicapillus throughout its distribution. We assessed whether Gloger's, Allen's and Bergmann's ecogeographical rules, and the acoustic adaptation hypothesis relate to geographical trait variation. We analysed specimen coloration in belly and crown plumage, beak shape and structural song characteristics. We tested whether the subspecific classification or the peninsular/mainland groups mirrored the geographical variation in phenotypes and whether ecological factors were associated with patterns of trait variation. Our results suggest that colour, beak shape and acoustic traits varied across the range, in agreement with two lineages described by genetics. The simple versions of Gloger's and Allen's rules are related to variations in colour traits and morphology. Conversely, patterns of phenotypic variation did not support Bergmann's rule. The acoustic adaptation hypothesis supported song divergence for frequency-related traits. Phenotypic variation supports the hypothesis of two taxa: C. affinis in the Baja California peninsula and C. brunneicapillus in the mainland. The ecological factors are associated with phenotypic trait adaptations, suggesting that divergence between lineages could result from ecological divergence.
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Affiliation(s)
- Violeta Monserrath Andrade-González
- Colección Nacional de Aves, Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México, CP 04510, México
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad de México, CP 04510, México
| | - Hernán Vázquez-Miranda
- Colección Nacional de Aves, Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México, CP 04510, México
| | - Claudia Patricia Ornelas-García
- Colección Nacional de Peces, Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Ciudad de México, CP 04510, México
| | - José Roberto Sosa-López
- Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Oaxaca (CIIDIR), Instituto Politécnico Nacional, Santa Cruz Xoxocotlán, CP 71230, México
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The Quality of Sequence Data Affects Biodiversity and Conservation Perspectives in the Neotropical Damselfly Megaloprepus caerulatus. DIVERSITY 2022. [DOI: 10.3390/d14121056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Ideally, the footprint of the evolutionary history of a species is drawn from integrative studies including quantitative and qualitative taxonomy, biogeography, ecology, and molecular genetics. In today’s research, species delimitations and identification of conservation units is often accompanied by a set of—at minimum—two sequence markers appropriate for the systematic level under investigation. Two such studies re-evaluated the species status in the world’s largest Odonata, the Neotropical damselfly Megaloprepus caerulatus. The species status of the genus Megaloprepus has long been debated. Despite applying a highly similar set of sequence markers, the two studies reached different conclusions concerning species status and population genetic relationships. In this study, we took the unique opportunity to compare the two datasets and analyzed the reasons for those incongruences. The two DNA sequence markers used (16S rDNA and CO1) were re-aligned using a strict conservative approach and the analyses used in both studies were repeated. Going step by step back to the first line of data handling, we show that a high number of unresolved characters in the sequence alignments as well as internal gaps are responsible for the different outcomes in terms of species delimitations and population genetic relationships. Overall, this study shows that high quality raw sequence data are an indispensable requirement, not only in odonate research.
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Morphological variation and reproductive isolation in the Hetaerina americana species complex. Sci Rep 2022; 12:10888. [PMID: 35764791 PMCID: PMC9240019 DOI: 10.1038/s41598-022-14866-8] [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: 11/20/2021] [Accepted: 06/14/2022] [Indexed: 11/11/2022] Open
Abstract
Incomplete premating barriers in closely related species may result in reproductive interference. This process has different fitness consequences and can lead to three scenarios: niche segregation, sexual exclusion, or reproductive character displacement. In morphologically cryptic species, isolation barriers can be difficult to recognize. Here, we analyzed the morphological, behavioral, and genetic differences between two sympatric cryptic species of the genus Hetaerina to determine the characters that contribute the most to reproductive isolation and the effect of the high rates of behavior interference between the species. We found complete genetic isolation and significant differences in the morphometry of caudal appendages and wing shape, as well as body size variation between species. In contrast, we did not find clear differences in the coloration of the wing spot and observed high rates of interspecific aggression. Our results suggest that divergence in the shape of the caudal appendages is the principal pre-mating barrier that prevents interspecific mating. Moreover, a scenario of character displacement on body size was found. Nevertheless, size could play an important role in both inter- and intrasexual interactions and, therefore, we cannot differentiate if it has resulted from reproductive or aggressive interference.
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Exploring Large-Scale Patterns of Genetic Variation in the COI Gene among Insecta: Implications for DNA Barcoding and Threshold-Based Species Delimitation Studies. INSECTS 2022; 13:insects13050425. [PMID: 35621761 PMCID: PMC9147995 DOI: 10.3390/insects13050425] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/26/2022] [Accepted: 04/29/2022] [Indexed: 12/04/2022]
Abstract
The genetic variation in the COI gene has had a great effect on the final results of species delimitation studies. However, little research has comprehensively investigated the genetic divergence in COI among Insecta. The fast-growing COI data in BOLD provide an opportunity for the comprehensive appraisal of the genetic variation in COI among Insecta. We calculated the K2P distance of 64,414 insect species downloaded from BOLD. The match ratios of the clustering analysis, based on different thresholds, were also compared among 4288 genera (35,068 species). The results indicate that approximately one-quarter of the species of Insecta showed high intraspecific genetic variation (>3%), and a conservative estimate of this proportion ranges from 12.05% to 22.58%. The application of empirical thresholds (e.g., 2% and 3%) in the clustering analysis may result in the overestimation of the species diversity. If the minimum interspecific genetic distance of the congeneric species is greater than or equal to 2%, it is possible to avoid overestimating the species diversity on the basis of the empirical thresholds. In comparison to the fixed thresholds, the “threshOpt” and “localMinima” algorithms are recommended for the provision of a reference threshold for threshold-based species delimitation studies.
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Kohli M, Letsch H, Greve C, Béthoux O, Deregnaucourt I, Liu S, Zhou X, Donath A, Mayer C, Podsiadlowski L, Gunkel S, Machida R, Niehuis O, Rust J, Wappler T, Yu X, Misof B, Ware J. Evolutionary history and divergence times of Odonata (dragonflies and damselflies) revealed through transcriptomics. iScience 2021; 24:103324. [PMID: 34805787 PMCID: PMC8586788 DOI: 10.1016/j.isci.2021.103324] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 05/14/2021] [Accepted: 10/19/2021] [Indexed: 11/22/2022] Open
Abstract
Dragonflies and damselflies are among the earliest flying insects with extant representatives. However, unraveling details of their long evolutionary history, such as egg laying (oviposition) strategies, is impeded by unresolved phylogenetic relationships, particularly in damselflies. Here we present a transcriptome-based phylogenetic reconstruction of Odonata, analyzing 2,980 protein-coding genes in 105 species representing nearly all the order's families. All damselfly and most dragonfly families are recovered as monophyletic. Our data suggest a sister relationship between dragonfly families of Gomphidae and Petaluridae. According to our divergence time estimates, both crown-Zygoptera and -Anisoptera arose during the late Triassic. Egg-laying with a reduced ovipositor apparently evolved in dragonflies during the late Jurassic/early Cretaceous. Lastly, we also test the impact of fossil choice and placement, particularly, of the extinct fossil species, †Triassolestodes asiaticus, and †Proterogomphus renateae on divergence time estimates. We find placement of †Proterogomphus renateae to be much more impactful than †Triassolestodes asiaticus.
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Affiliation(s)
- Manpreet Kohli
- Department of Invertebrate Zoology, American Museum of Natural History, New York, NY, USA
| | - Harald Letsch
- Department for Animal Biodiversity, Universität Wien, Vienna, Austria
| | - Carola Greve
- LOEWE Centre for Translational Biodiversity Genomics (LOEWE-TBG), Frankfurt am Main, Germany
| | - Olivier Béthoux
- CR2P (Centre de Recherche en Paléontologie – Paris), MNHN – CNRS – Sorbonne Université, Paris, France
| | - Isabelle Deregnaucourt
- CR2P (Centre de Recherche en Paléontologie – Paris), MNHN – CNRS – Sorbonne Université, Paris, France
| | - Shanlin Liu
- Department of Entomology, China Agricultural University,Beijing 100193, People’s Republic of China
| | - Xin Zhou
- Department of Entomology, China Agricultural University,Beijing 100193, People’s Republic of China
| | - Alexander Donath
- Centre for Molecular Biodiversity Research, Leibniz Institute for the Analysis of Biodiversity Change, Zoological Research Museum Alexander Koenig, Bonn, Germany
| | - Christoph Mayer
- Centre for Molecular Biodiversity Research, Leibniz Institute for the Analysis of Biodiversity Change, Zoological Research Museum Alexander Koenig, Bonn, Germany
| | - Lars Podsiadlowski
- Centre for Molecular Biodiversity Research, Leibniz Institute for the Analysis of Biodiversity Change, Zoological Research Museum Alexander Koenig, Bonn, Germany
| | - Simon Gunkel
- Centre for Molecular Biodiversity Research, Leibniz Institute for the Analysis of Biodiversity Change, Zoological Research Museum Alexander Koenig, Bonn, Germany
| | - Ryuichiro Machida
- Sugadaira Research Station, Mountain Research Center, University of Tsukuba, Sugadaira Kogen, Ueda, Nagano, Japan
| | - Oliver Niehuis
- Department of Evolutionary Biology and Ecology, Institute of Biology I (Zoology), Albert Ludwig University, Freiburg, Germany
| | - Jes Rust
- Palaeontology Section, Institute of Geosciences, Rheinische Friedrich-Wilhelms Universität Bonn, Bonn 53115, Germany
| | - Torsten Wappler
- Palaeontology Section, Institute of Geosciences, Rheinische Friedrich-Wilhelms Universität Bonn, Bonn 53115, Germany
| | - Xin Yu
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, China
| | - Bernhard Misof
- Leibniz Institute for the Analysis of Biodiversity Change, Zoological Research Museum Alexander Koenig, Bonn, Germany
| | - Jessica Ware
- Department of Invertebrate Zoology, American Museum of Natural History, New York, NY, USA
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A molecularphylogeny offorktail damselflies(genus Ischnura)revealsa dynamic macroevolutionary history of female colour polymorphisms. Mol Phylogenet Evol 2021; 160:107134. [PMID: 33677008 DOI: 10.1016/j.ympev.2021.107134] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 02/11/2021] [Accepted: 02/26/2021] [Indexed: 12/18/2022]
Abstract
Colour polymorphisms are popular study systems among biologists interested in evolutionary dynamics, genomics, sexual selection and sexual conflict. In many damselfly groups, such as in the globally distributed genus Ischnura (forktails), sex-limited female colour polymorphisms occur in multiple species. Female-polymorphic species contain two or three female morphs, one of which phenotypically matches the male (androchrome or male mimic) and the other(s) which are phenotypically distinct from the male (heterochrome). These female colour polymorphisms are thought to be maintained by frequency-dependent sexual conflict, but their macroevolutionary histories are unknown, due to the lack of a robust molecular phylogeny. Here, we present the first time-calibrated phylogeny of Ischnura, using a multispecies coalescent approach (StarBEAST2) and incorporating both molecular and fossil data for 41 extant species (55% of the genus). We estimate the age of Ischnura to be between 13.8 and 23.4 millions of years, i.e. Miocene. We infer the ancestral state of this genus as female monomorphism with heterochrome females, with multiple gains and losses of female polymorphisms, evidence of trans-species female polymorphisms and a significant positive relationship between female polymorphism incidence and current geographic range size. Our study provides a robust phylogenetic framework for future research on the dynamic macroevolutionary history of this clade with its extraordinary diversity of sex-limited female polymorphisms.
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