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Jiang B, Zhang J, Bai X, Zhang Y, Yao Y, Li J, Yu G, He S, Sun Y, Mikolajewski DJ. Genetic variation and population structure of a widely distributed damselfly (Ischnura senegalensis). ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2023; 114:1-14. [PMID: 37032456 DOI: 10.1002/arch.22015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/12/2023] [Accepted: 03/27/2023] [Indexed: 06/19/2023]
Abstract
Ischnura senegalensis Rambur, 1842 is among the most widespread damselfly species in the world. Unlike dragonflies with strong migration abilities, I. senegalensis have limited dispersing abilities. Gene flow among I. senegalensis populations may be greatly influenced by anthropogenic disturbance, fragmented suitable habitats, sea straits, or even global warming. In this study, to investigate the genetic diversity of I. senegalensis populations, we sequenced and collected 498 cytochrome oxidase I sequences across the Old World. Haplotype network analysis showed 51 haplotypes and I. senegalensis could be grouped into four regions (Afrotropical region, Oriental region, main Islands of Japan, and the Ryukyu Islands), each of which contains different dominant haplotypes. Based on molecular variance analysis, we found that populations from the Afrotropical region have quite a low gene flow with the Asian populations (except Yemen). Furthermore, rice cultivation may aid the dispersion of I. senegalensis in the oriental region. Populations from the Ryukyu Islands show the highest genetic diversity, which may be due to the geological separation among islands. Our results prove that I. senegalensis has great genetic diversity among different populations across the world.
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Affiliation(s)
- Bin Jiang
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, College of Life Sciences, Anhui Normal University, Wuhu, China
| | - Jiang Zhang
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, College of Life Sciences, Anhui Normal University, Wuhu, China
| | - Xinrui Bai
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, College of Life Sciences, Anhui Normal University, Wuhu, China
| | - Yongmei Zhang
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, College of Life Sciences, Anhui Normal University, Wuhu, China
| | - Yu Yao
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, College of Life Sciences, Anhui Normal University, Wuhu, China
| | - Jia Li
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, College of Life Sciences, Anhui Normal University, Wuhu, China
| | - Guozhi Yu
- College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Shulin He
- College of Life Sciences, Chongqing Normal University, Chongqing, China
| | - Yang Sun
- Anhui Provincial Key Laboratory of the Conservation and Exploitation of Biological Resources, College of Life Sciences, Anhui Normal University, Wuhu, China
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Gutiérrez‐Ortega JS, Molina‐Freaner F, Martínez JF, Pérez‐Farrera MA, Vovides AP, Hernández‐López A, Tezuka A, Nagano AJ, Watano Y, Takahashi Y, Murakami M, Kajita T. Speciation along a latitudinal gradient: The origin of the Neotropical cycad sister pair Dioon sonorense- D. vovidesii (Zamiaceae). Ecol Evol 2021; 11:6962-6976. [PMID: 34141268 PMCID: PMC8207156 DOI: 10.1002/ece3.7545] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/19/2021] [Accepted: 03/21/2021] [Indexed: 11/11/2022] Open
Abstract
Latitude is correlated with environmental components that determine the distribution of biodiversity. In combination with geographic factors, latitude-associated environmental variables are expected to influence speciation, but empirical evidence on how those factors interplay is scarce. We evaluated the genetic and environmental variation among populations in the pair of sister species Dioon sonorense-D. vovidesii, two cycads distributed along a latitudinal environmental gradient in northwestern Mexico, to reveal their demographic histories and the environmental factors involved in their divergence. Using genome-wide loci data, we determined the species delimitation, estimated the gene flow, and compared multiple demographic scenarios of divergence. Also, we estimated the variation of climatic variables among populations and used ecological niche models to test niche overlap between species. The effect of geographic and environmental variables on the genetic variation among populations was evaluated using linear models. Our results suggest the existence of a widespread ancestral population that split into the two species ~829 ky ago. The geographic delimitation along the environmental gradient occurs in the absence of major geographic barriers, near the 28th parallel north, where a zonation of environmental seasonality exists. The northern species, D. vovidesii, occurs in more seasonal environments but retains the same niche of the southern species, D. sonorense. The genetic variation throughout populations cannot be solely explained by stochastic processes; the latitudinal-associated seasonality has been an additive factor that strengthened the species divergence. This study represents an example of how speciation can be achieved by the effect of the latitude-associated factors on the genetic divergence among populations.
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Affiliation(s)
| | - Francisco Molina‐Freaner
- Departamento de Ecología de la BiodiversidadInstituto de EcologíaUniversidad Nacional Autónoma de MéxicoHermosilloMexico
| | - José F. Martínez
- Departamento de Ecología de la BiodiversidadInstituto de EcologíaUniversidad Nacional Autónoma de MéxicoHermosilloMexico
| | - Miguel Angel Pérez‐Farrera
- Laboratorio de Ecología EvolutivaHerbario Eizi MatudaInstituto de Ciencias BiológicasUniversidad de Ciencias y Artes de ChiapasTuxtla GutiérrezMexico
| | | | - Antonio Hernández‐López
- Ciencias AgrogenómicasEscuela Nacional de Estudios SuperioresUniversidad Nacional Autónoma de MéxicoLeónMexico
| | - Ayumi Tezuka
- Faculty of AgricultureRyukoku UniversityOtsuJapan
| | | | - Yasuyuki Watano
- Department of BiologyFaculty of ScienceChiba UniversityChibaJapan
| | - Yuma Takahashi
- Department of BiologyFaculty of ScienceChiba UniversityChibaJapan
| | - Masashi Murakami
- Department of BiologyFaculty of ScienceChiba UniversityChibaJapan
| | - Tadashi Kajita
- Iriomote StationTropical Biosphere Research CenterUniversity of the RyukyusYaeyamaJapan
- United Graduate School of Agricultural ScienceKagoshima UniversityKagoshimaJapan
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McGaughran A, Laver R, Fraser C. Evolutionary Responses to Warming. Trends Ecol Evol 2021; 36:591-600. [PMID: 33726946 DOI: 10.1016/j.tree.2021.02.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 02/23/2021] [Accepted: 02/26/2021] [Indexed: 12/24/2022]
Abstract
Climate change is predicted to dramatically alter biological diversity and distributions, driving extirpations, extinctions, and extensive range shifts across the globe. Warming can also, however, lead to phenotypic or behavioural plasticity, as species adapt to new conditions. Recent genomic research indicates that some species are capable of rapid evolution as selection favours adaptive responses to environmental change and altered or novel niche spaces. New advances are providing mechanistic insights into how temperature might accelerate evolution in the Anthropocene. These discoveries highlight intriguing new research directions - such as using geothermal and polar systems combined with powerful genomic tools - that will help us to understand the processes underpinning adaptive evolution and better project how ecosystems will change in a warming world.
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Affiliation(s)
- Angela McGaughran
- Te Aka Mātuatua - School of Science, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand.
| | - Rebecca Laver
- Research School of Biology, Australian National University, Canberra, ACT 2601, Australia
| | - Ceridwen Fraser
- Department of Marine Science, University of Otago, PO Box 56, Dunedin 9054, New Zealand
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Gilbert AL, Brooks OL, Lattanzio MS. Multiple behavioral contexts of a melanized tail display in a desert lizard. Ethology 2019. [DOI: 10.1111/eth.12975] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Anthony L. Gilbert
- Department of Biological Sciences Ohio University Athens Ohio
- Ohio Center for Ecological and Evolutionary Studies Athens Ohio
| | - Olivia L. Brooks
- Department of Biology John Carroll University University Heights Ohio
| | - Matthew S. Lattanzio
- Department of Organismal and Environmental Biology Christopher Newport University Newport News Virginia
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Candidate genes associated with color morphs of female-limited polymorphisms of the damselfly Ischnura senegalensis. Heredity (Edinb) 2018; 122:81-92. [PMID: 29713090 DOI: 10.1038/s41437-018-0076-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 03/13/2018] [Accepted: 03/14/2018] [Indexed: 11/09/2022] Open
Abstract
Many Odonata species exhibit female-limited polymorphisms, where one morph is similar to the conspecific male in body color and other traits (andromorph), whereas one or more other morphs differ from the male (gynomorphs). Here we investigated the differentially expressed transcripts (DETs) among males and two female morph groups (gynomorphs and andromorphs) using RNA-seq to identify candidate transcripts encoding female-limited polymorphisms in the damselfly Ischnura senegalensis. Seven DETs that had significantly different expression levels between males and gynomorphs, but not between males and andromorphs, were identified. The expression levels of four of these candidate genes, doublesex (dsx), black, ebony, and chaoptin (chp), were selected for further analysis using qRT-PCR. Sequence analysis of the dsx amplicons revealed that this gene produced at least three transcripts. Two short transcripts were mainly expressed in males and andromorphs, whereas the long transcript was specifically expressed in both morph female groups; that is, the expression pattern of the dsx splice variants in andromorphs was an intermediate between that of males and gynomorphs. Because the dsx gene functions as a transcription factor that regulates the sex-specific expression of multiple genes, its splice variants in I. senegalensis may explain why the andromorph is female but exhibits some masculinized traits. Because we did not detect different coding sequences of the candidate genes among the different morphs, a diallelic genomic region controlling alternative splicing of dsx, thus determining female-limited polymorphism in I. senegalensis most likely lies in a non-coding region of the dsx gene or in a gene upstream of it.
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Field tests of multiple sensory cues in sex recognition and harassment of a colour polymorphic damselfly. Anim Behav 2018. [DOI: 10.1016/j.anbehav.2017.12.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Takahashi Y. Genome-wide population genetic analysis identifies evolutionary forces establishing continuous population divergence. Ecol Res 2017. [DOI: 10.1007/s11284-017-1459-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Bolton PE, Rollins LA, Griffith SC. Colour polymorphism is likely to be disadvantageous to some populations and species due to genetic architecture and morph interactions. Mol Ecol 2016; 25:2713-8. [PMID: 27178202 DOI: 10.1111/mec.13632] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 02/22/2016] [Accepted: 03/24/2016] [Indexed: 11/29/2022]
Abstract
Polymorphism describes two or more distinct, genetically determined, phenotypes that co-occur in the same population, where the rarest morph is maintained at a frequency above the mutation rate (Ford 1945; Huxley 1955). In a recent opinion piece, we explored a new idea regarding the role of genetic architectures and morph interactions in colour polymorphisms and how this can negatively affect population performance (Bolton et al. 2015). In this issue of Molecular Ecology, Forsman (2016) thoroughly discusses the current evidence for polymorphisms enhancing population performance and critiques the validity of the definitions of polymorphism we use in our original paper. We respond by clarifying that the negative consequences of polymorphisms that we discussed are likely to be most pertinent in species that have a particular set of characteristics, such as strong sexual or social interactions between morphs and discrete genetic architectures. Although it was not our intention to redefine polymorphism, we do believe that there should be further discussion about refining or characterizing balanced polymorphisms with respect to the degree of morph sympatry, discreteness of traits and their underlying genetic architecture, and the types of selection that drive and maintain the variation. The latter describes whether polymorphism is primarily maintained by external factors such as predation pressure or internal factors such as interactions with members of the same species. The contribution of Forsman (2016) is useful to this discussion, and we hope that our exchange of opinions will inspire new empirical and theoretical ideas on the origin and maintenance of colour polymorphisms.
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Affiliation(s)
- Peri E Bolton
- Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia
| | - Lee A Rollins
- School of Life and Environmental Sciences, Centre for Integrative Ecology, Deakin University, 75 Pigdons Road, Locked Bag 20000, Geelong, Vic., 3220, Australia
| | - Simon C Griffith
- Department of Biological Sciences, Macquarie University, Sydney, NSW, 2109, Australia
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Wang H, Talavera M, Min Y, Flaven E, Imbert E. Neutral processes contribute to patterns of spatial variation for flower colour in the Mediterranean Iris lutescens (Iridaceae). ANNALS OF BOTANY 2016; 117:995-1007. [PMID: 27084922 PMCID: PMC4866319 DOI: 10.1093/aob/mcw036] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 12/28/2015] [Accepted: 01/17/2016] [Indexed: 05/25/2023]
Abstract
BACKGROUND AND AIMS Flower colour polymorphism in plants has been used as a classic model for understanding the importance of neutral processes vs. natural selection in population differentiation. However, current explanations for the maintenance of flower colour polymorphism mainly rely on balancing selection, while neutral processes have seldom been championed. Iris lutescens (Iridaceae) is a widespread species in the northern Mediterranean basin, which shows a stable and striking purple-yellow flower colour polymorphism. To evaluate the roles of neutral processes in the spatial variation for flower colour in this species, patterns of neutral genetic variation across its distribution range were quantified, and phenotypic differentiation was compared with neutral genetic differentiation. METHODS Genetic diversity levels and population genetic structure were investigated through the genotyping of a collection of 1120 individuals in 41 populations ranging from Spain to France, using a set of eight newly developed microsatellite markers. In addition, phenotypic differentiation for flower colour was also quantified by counting colour morph frequency in each population, and measuring the reflectance spectra of sampled individuals. KEY RESULTS Populations in Spain present a sharp colour transition from solely purple to solely yellow. The results provide evidence that genetic drift through limited gene flow is important in the evolution of monomorphic populations. In contrast, most populations in France are polymorphic with both phenotypes, and the colour frequencies vary geographically without any spatial gradients observed. A pattern of isolation by distance is detected in France, and gene flow between adjacent populations seems to be an important factor maintaining populations polymorphic. CONCLUSIONS Overall, neutral processes contribute to patterns of spatial variation for flower colour in I. lutescens, but it cannot be excluded that natural selection is also operating. An interaction between neutral processes and natural selection is suggested to explain the spatial variation for flower colour in I. lutescens.
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Affiliation(s)
- Hui Wang
- Institut des Sciences de l'Évolution de Montpellier (ISEM), UMR 5554, Université de Montpellier, Montpellier, France and
| | - María Talavera
- Institut des Sciences de l'Évolution de Montpellier (ISEM), UMR 5554, Université de Montpellier, Montpellier, France and
| | - Ya Min
- Institut des Sciences de l'Évolution de Montpellier (ISEM), UMR 5554, Université de Montpellier, Montpellier, France and
| | - Elodie Flaven
- Institut des Sciences de l'Évolution de Montpellier (ISEM), UMR 5554, Université de Montpellier, Montpellier, France and
| | - Eric Imbert
- Institut des Sciences de l'Évolution de Montpellier (ISEM), UMR 5554, Université de Montpellier, Montpellier, France and
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Wellenreuther M, Sánchez-Guillén RA. Nonadaptive radiation in damselflies. Evol Appl 2015; 9:103-18. [PMID: 27087842 PMCID: PMC4780385 DOI: 10.1111/eva.12269] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 04/16/2015] [Indexed: 12/02/2022] Open
Abstract
Adaptive radiations have long served as living libraries to study the build‐up of species richness; however, they do not provide good models for radiations that exhibit negligible adaptive disparity. Here, we review work on damselflies to argue that nonadaptive mechanisms were predominant in the radiation of this group and have driven species divergence through sexual selection arising from male–female mating interactions. Three damselfly genera (Calopteryx,Enallagma and Ischnura) are highlighted and the extent of (i) adaptive ecological divergence in niche use and (ii) nonadaptive differentiation in characters associated with reproduction (e.g. sexual morphology and behaviours) was evaluated. We demonstrate that species diversification in the genus Calopteryx is caused by nonadaptive divergence in coloration and behaviour affecting premating isolation, and structural differentiation in reproductive morphology affecting postmating isolation. Similarly, the vast majority of diversification events in the sister genera Enallagma and Ischnura are entirely driven by differentiation in genital structures used in species recognition. The finding that closely related species can show negligible ecological differences yet are completely reproductively isolated suggests that the evolution of reproductive isolation can be uncoupled from niche‐based divergent natural selection, challenging traditional niche models of species coexistence.
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Affiliation(s)
- Maren Wellenreuther
- Evolutionary Ecology, Biology Department Lund University Lund Sweden; Plant and Food Research Limited Nelson New Zealand
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Inomata N, Hironaka K, Sawada K, Kuriwada T, Yamahira K. Discrepancy in the degree of population differentiation between color-morph frequencies and neutral genetic loci in the damselfly Ischnura senegalensis in Okinawa Island, Japan. Genetica 2015; 143:271-7. [PMID: 25633100 DOI: 10.1007/s10709-015-9821-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 01/23/2015] [Indexed: 11/29/2022]
Abstract
Evaluation of relative contribution of natural selection and stochastic processes to population differentiation has been of great interest in evolutionary biology. In a damselfly, Ischnura senegalensis, females show color dimorphism (gynochrome vs. androchrome), and color-morph frequencies are known to greatly vary among local populations within Okinawa Island, a small island of Ryukyu Archipelago, Japan. In this study, to examine the effects of natural selection and stochastic processes on the within-island variation in color-morph frequencies, we compared the degree of population differentiation at the color-morph locus with that at a mitochondrial DNA region and ten nuclear microsatellite loci. F ST values at the neutral loci were close to zero, indicating presence of sufficient gene flow (dispersal of adult individuals) between the local populations. In contrast, F ST values at the color-morph locus were significantly different from zero. These results suggest that variation in female color-morph frequencies observed among local populations in Okinawa Island has been caused by divergent selection acting on the phenotype and/or genes tightly linked with the color locus.
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Affiliation(s)
- Nobuyuki Inomata
- Department of Environmental Science, International College of Arts and Sciences, Fukuoka Women's University, 1-1-1 Kasumigaoka, Higashi-ku, Fukuoka, 813-8529, Japan,
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Wright KM, Arnold B, Xue K, Šurinová M, O'Connell J, Bomblies K. Selection on meiosis genes in diploid and tetraploid Arabidopsis arenosa. Mol Biol Evol 2014; 32:944-55. [PMID: 25543117 DOI: 10.1093/molbev/msu398] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Meiotic chromosome segregation is critical for fertility across eukaryotes, and core meiotic processes are well conserved even between kingdoms. Nevertheless, recent work in animals has shown that at least some meiosis genes are highly diverse or strongly differentiated among populations. What drives this remains largely unknown. We previously showed that autotetraploid Arabidopsis arenosa evolved stable meiosis, likely through reduced crossover rates, and that associated with this there is strong evidence for selection in a subset of meiosis genes known to affect axis formation, synapsis, and crossover frequency. Here, we use genome-wide data to study the molecular evolution of 70 meiosis genes in a much wider sample of A. arenosa. We sample the polyploid lineage, a diploid lineage from the Carpathian Mountains, and a more distantly related diploid lineage from the adjacent, but biogeographically distinct Pannonian Basin. We find that not only did selection act on meiosis genes in the polyploid lineage but also independently on a smaller subset of meiosis genes in Pannonian diploids. Functionally related genes are targeted by selection in these distinct contexts, and in two cases, independent sweeps occurred in the same loci. The tetraploid lineage has sustained selection on more genes, has more amino acid changes in each, and these more often affect conserved or potentially functional sites. We hypothesize that Pannonian diploid and tetraploid A. arenosa experienced selection on structural proteins that mediate sister chromatid cohesion, the formation of meiotic chromosome axes, and synapsis, likely for different underlying reasons.
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Affiliation(s)
- Kevin M Wright
- Department of Evolutionary and Organismic Biology, Harvard University
| | - Brian Arnold
- Department of Evolutionary and Organismic Biology, Harvard University
| | - Katherine Xue
- Department of Evolutionary and Organismic Biology, Harvard University
| | - Maria Šurinová
- Institute of Botany, Academy of Sciences of the Czech Republic, Pruhonice, Czech Republic
| | - Jeremy O'Connell
- Department of Evolutionary and Organismic Biology, Harvard University
| | - Kirsten Bomblies
- Department of Evolutionary and Organismic Biology, Harvard University
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Evolution of increased phenotypic diversity enhances population performance by reducing sexual harassment in damselflies. Nat Commun 2014; 5:4468. [DOI: 10.1038/ncomms5468] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2014] [Accepted: 06/19/2014] [Indexed: 11/09/2022] Open
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