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Schmidt TL, Swan T, Chung J, Karl S, Demok S, Yang Q, Field MA, Muzari MO, Ehlers G, Brugh M, Bellwood R, Horne P, Burkot TR, Ritchie S, Hoffmann AA. Spatial population genomics of a recent mosquito invasion. Mol Ecol 2021; 30:1174-1189. [PMID: 33421231 DOI: 10.1111/mec.15792] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 12/20/2020] [Accepted: 01/04/2021] [Indexed: 02/06/2023]
Abstract
Population genomic approaches can characterize dispersal across a single generation through to many generations in the past, bridging the gap between individual movement and intergenerational gene flow. These approaches are particularly useful when investigating dispersal in recently altered systems, where they provide a way of inferring long-distance dispersal between newly established populations and their interactions with existing populations. Human-mediated biological invasions represent such altered systems which can be investigated with appropriate study designs and analyses. Here we apply temporally restricted sampling and a range of population genomic approaches to investigate dispersal in a 2004 invasion of Aedes albopictus (the Asian tiger mosquito) in the Torres Strait Islands (TSI) of Australia. We sampled mosquitoes from 13 TSI villages simultaneously and genotyped 373 mosquitoes at genome-wide single nucleotide polymorphisms (SNPs): 331 from the TSI, 36 from Papua New Guinea (PNG) and four incursive mosquitoes detected in uninvaded regions. Within villages, spatial genetic structure varied substantially but overall displayed isolation by distance and a neighbourhood size of 232-577. Close kin dyads revealed recent movement between islands 31-203 km apart, and deep learning inferences showed incursive Ae. albopictus had travelled to uninvaded regions from both adjacent and nonadjacent islands. Private alleles and a co-ancestry matrix indicated direct gene flow from PNG into nearby islands. Outlier analyses also detected four linked alleles introgressed from PNG, with the alleles surrounding 12 resistance-associated cytochrome P450 genes. By treating dispersal as both an intergenerational process and a set of discrete events, we describe a highly interconnected invasive system.
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Affiliation(s)
- Thomas L Schmidt
- Pest and Environmental Adaptation Research Group, School of BioSciences, Bio21 Institute, University of Melbourne, Parkville, VIC, Australia
| | - Tom Swan
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia.,College of Public Health, Medical and Veterinary Sciences, James Cook University, Cairns, QLD, Australia
| | - Jessica Chung
- Pest and Environmental Adaptation Research Group, School of BioSciences, Bio21 Institute, University of Melbourne, Parkville, VIC, Australia.,Melbourne Bioinformatics, University of Melbourne, Parkville, VIC, Australia
| | - Stephan Karl
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia.,Vector Borne Diseases Unit, Papua New Guinea Institute of Medical Research, Madang, Papua New Guinea
| | - Samuel Demok
- Vector Borne Diseases Unit, Papua New Guinea Institute of Medical Research, Madang, Papua New Guinea
| | - Qiong Yang
- Pest and Environmental Adaptation Research Group, School of BioSciences, Bio21 Institute, University of Melbourne, Parkville, VIC, Australia
| | - Matt A Field
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia.,John Curtin School of Medical Research, Australian National University, Canberra, ACT, Australia
| | - Mutizwa Odwell Muzari
- Medical Entomology, Tropical Public Health Services Cairns, Cairns and Hinterland Hospital & Health Services, Cairns, QLD, Australia
| | - Gerhard Ehlers
- Medical Entomology, Tropical Public Health Services Cairns, Cairns and Hinterland Hospital & Health Services, Cairns, QLD, Australia
| | - Mathew Brugh
- Medical Entomology, Tropical Public Health Services Cairns, Cairns and Hinterland Hospital & Health Services, Cairns, QLD, Australia
| | - Rodney Bellwood
- Medical Entomology, Tropical Public Health Services Cairns, Cairns and Hinterland Hospital & Health Services, Cairns, QLD, Australia
| | - Peter Horne
- Medical Entomology, Tropical Public Health Services Cairns, Cairns and Hinterland Hospital & Health Services, Cairns, QLD, Australia
| | - Thomas R Burkot
- Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia
| | - Scott Ritchie
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Cairns, QLD, Australia.,Institute of Vector-Borne Disease, Monash University, Clayton, VIC, Australia
| | - Ary A Hoffmann
- Pest and Environmental Adaptation Research Group, School of BioSciences, Bio21 Institute, University of Melbourne, Parkville, VIC, Australia
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52
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Popa-Báez ÁD, Lee SF, Yeap HL, Westmore G, Crisp P, Li D, Catullo R, Cameron EC, Edwards OR, Taylor PW, Oakeshott JG. Tracing the origins of recent Queensland fruit fly incursions into South Australia, Tasmania and New Zealand. Biol Invasions 2021. [DOI: 10.1007/s10530-020-02422-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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53
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Wesse C, Welk E, Hurka H, Neuffer B. Geographical pattern of genetic diversity in Capsella bursa-pastoris (Brassicaceae)-A global perspective. Ecol Evol 2021; 11:199-213. [PMID: 33437423 PMCID: PMC7790636 DOI: 10.1002/ece3.7010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 10/06/2020] [Accepted: 10/16/2020] [Indexed: 12/15/2022] Open
Abstract
We analyzed the global genetic variation pattern of Capsella bursa-pastoris (Brassicaceae) as expressed in allozymic (within-locus) diversity and isozymic (between-locus) diversity. Results are based on a global sampling of more than 20,000 C. bursa-pastoris individuals randomly taken from 1,469 natural provenances in the native and introduced range, covering a broad spectrum of the species' geographic distribution. We evaluated data for population genetic parameters and F-statistics, and Mantel tests and AMOVA were performed. Geographical distribution patterns of alleles and multilocus genotypes are shown in maps and tables. Genetic diversity of introduced populations is only moderately reduced in comparison with native populations. Global population structure was analyzed with structure, and the obtained cluster affiliation was tested independently with classification approaches and macroclimatic data using species distribution modeling. Analyses revealed two main clusters: one distributed predominantly in warm arid to semiarid climate regions and the other predominantly in more temperate humid to semihumid climate regions. We observed admixture between the two lineages predominantly in regions with intermediate humidity in both the native and non-native ranges. The genetically derived clusters are strongly supported in macroclimatic data space. The worldwide distribution patterns of genetic variation in the range of C. bursa-pastoris can be explained by intensive intra- and intercontinental migration, but environmental filtering due to climate preadaption seems also involved. Multiple independent introductions of genotypes from different source regions are obvious. "Endemic" genotypes might be the outcome of admixture or of de novo mutation. We conclude that today's successfully established Capsella genotypes were preadapted and found matching niche conditions in the colonized range parts.
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Affiliation(s)
- Christina Wesse
- Department of BotanyUniversity of OsnabrueckOsnabrückGermany
| | - Erik Welk
- Institute for BiologyMartin‐Luther‐University Halle‐WittenbergHalle (Saale)Germany
| | - Herbert Hurka
- Department of BotanyUniversity of OsnabrueckOsnabrückGermany
| | - Barbara Neuffer
- Department of BotanyUniversity of OsnabrueckOsnabrückGermany
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54
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Rius M, Turon X. Phylogeography and the Description of Geographic Patterns in Invasion Genomics. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.595711] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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55
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Hirsch H, Richardson DM, Pauchard A, Le Roux JJ. Genetic analyses reveal complex introduction histories for the invasive tree
Acacia dealbata
Link around the world. DIVERS DISTRIB 2020. [DOI: 10.1111/ddi.13186] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
- Heidi Hirsch
- Centre for Invasion Biology Department of Botany and Zoology Stellenbosch University Matieland South Africa
| | - David M. Richardson
- Centre for Invasion Biology Department of Botany and Zoology Stellenbosch University Matieland South Africa
| | - Aníbal Pauchard
- Laboratorio de Invasiones Biológicas Facultad de Ciencias Forestales Universidad de Concepción Concepción Chile
- Institute of Ecology and Biodiversity (IEB) Santiago Chile
| | - Johannes J. Le Roux
- Centre for Invasion Biology Department of Botany and Zoology Stellenbosch University Matieland South Africa
- Department of Biological Sciences Macquarie University Sydney NSW Australia
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56
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Waselkov KE, Regenold ND, Lum RC, Olsen KM. Agricultural adaptation in the native North American weed waterhemp, Amaranthus tuberculatus (Amaranthaceae). PLoS One 2020; 15:e0238861. [PMID: 32970699 PMCID: PMC7514059 DOI: 10.1371/journal.pone.0238861] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 08/23/2020] [Indexed: 11/28/2022] Open
Abstract
There is increasing interest in documenting adaptation of weedy plant species to agricultural ecosystems, beyond the evolution of herbicide resistance. Waterhemp (Amaranthus tuberculatus) is a native plant of the Midwestern U.S. that began infesting agricultural fields in the 20th century within the central portion of its range. We hypothesized that the vegetative growth and reproductive traits of waterhemp from this heavily infested central region provide differential fitness benefits in agricultural environments. We collected seeds from across the species' native range, representing regions with varying degrees of waterhemp infestation, and planted them together in common garden soybean plots. A 2010 common garden experiment was conducted within the range of agriculturally weedy waterhemp (in Missouri), and a 2011 common garden experiment was conducted outside of this range (in Ohio). Days to flowering and flowering plant height, mature plant size data (height, number of branches, and length of the longest branch), and above-ground biomass were measured to estimate relative fitness. In both common garden locations, plants from regions where waterhemp occurs as an agricultural weed - including those from the heavily infested Mississippi Valley region (Iowa, Illinois, and Missouri) and the less severely infested Plains region (Nebraska, Kansas, and Oklahoma) - had higher relative performance in almost all fitness-related measures than plants from the Northeast region (Ohio, Michigan, and Ontario), which had little to no agriculturally weedy waterhemp at the time of our study. Further analysis revealed that fewer days to flowering in the Northeast populations can be largely accounted for by latitude of origin, suggesting a strong genetic influence on this reproductive trait. These findings suggest intraspecific variation in agricultural adaptation in a native U.S. weed, and support the use of agricultural weeds to study adaptation.
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Affiliation(s)
- Katherine E. Waselkov
- Department of Biology, College of Arts and Sciences, Washington University, St. Louis, Missouri, United States of America
| | - Nathaniel D. Regenold
- Department of Biology, College of Arts and Sciences, Washington University, St. Louis, Missouri, United States of America
| | - Romy C. Lum
- Department of Biology, College of Science and Mathematics, California State University, Fresno, California, United States of America
| | - Kenneth M. Olsen
- Department of Biology, College of Arts and Sciences, Washington University, St. Louis, Missouri, United States of America
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57
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Baker CM, Bode M. Recent advances of quantitative modeling to support invasive species eradication on islands. CONSERVATION SCIENCE AND PRACTICE 2020. [DOI: 10.1111/csp2.246] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Affiliation(s)
- Christopher M. Baker
- School of Mathematics and Statistics, The University of Melbourne Melbourne Victoria Australia
- Melbourne Centre for Data Science, The University of Melbourne Melbourne Victoria Australia
- Centre of Excellence for Biosecurity Risk Analysis The University of Melbourne Melbourne Victoria Australia
| | - Michael Bode
- School of Mathematical Sciences, Queensland University of Technology Brisbane Queensland Australia
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58
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Brookes DR, Hereward JP, Wilson LJ, Walter GH. Multiple invasions of a generalist herbivore-Secondary contact between two divergent lineages of Nezara viridula Linnaeus in Australia. Evol Appl 2020; 13:2113-2129. [PMID: 32908608 PMCID: PMC7463329 DOI: 10.1111/eva.12971] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 03/18/2020] [Accepted: 03/21/2020] [Indexed: 11/28/2022] Open
Abstract
The presence of distinct evolutionary lineages within herbivorous pest insect taxa requires close attention. Scientific understanding, biosecurity planning and practice, and pest management decision-making each suffer when such situations remain poorly understood. The pest bug Nezara viridula Linnaeus has been recorded from numerous host plants and has two globally distributed mitochondrial (mtDNA) lineages. These mtDNA lineages co-occur in few locations globally, and the consequences of their divergence and recent secondary contact have not been assessed. We present evidence that both mtDNA lineages of N. viridula are present in Australia and their haplotype groups have a mostly separate distribution from one another. The north-western population has only Asian mtDNA haplotypes, and the population with an eastern distribution is characterized mostly by European mtDNA haplotypes. Haplotypes of both lineages were detected together at only one site in the north of eastern Australia, and microsatellite data indicate that this secondary contact has resulted in mating across the lineages. Admixture and the movement of mtDNA haplotypes outside of this limited area of overlap has not, however, been extensive. Some degree of mating incompatibility or differences in the climatic requirements and tolerances of the two lineages, and perhaps a combination of these influences, might limit introgression and the movement of individuals, but this needs to be tested. This work provides the foundation for further ecological investigation of the lineages of N. viridula, particularly the consequences of admixture on the ecology of this widespread pest. We propose that for now, the Asian and European lineages of N. viridula would best be investigated as subspecies, so that "pure" and admixed populations of this bug can each be considered directly with respect to management and research priorities.
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Affiliation(s)
- Dean Robert Brookes
- School of Biological SciencesThe University of QueenslandBrisbaneQLDAustralia
| | - James P. Hereward
- School of Biological SciencesThe University of QueenslandBrisbaneQLDAustralia
| | - Lewis J. Wilson
- Cotton Research UnitCSIRO Agriculture and FoodNarrabriNSWAustralia
| | - Gimme Hugh Walter
- School of Biological SciencesThe University of QueenslandBrisbaneQLDAustralia
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59
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Bruni G. Will there be a second extinction? Molecular identification of multiple alien water frogs (Pelophylax ridibundus sensu lato) in Tuscany, Central Italy, reveals genetic pollution within a unique hybridogenetic system. HERPETOL J 2020. [DOI: 10.33256/hj30.3.147158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The introduction of alien water frogs is perhaps one of the most underestimated herpetological conservation issues in Europe. The identification of distinct species is highly challenging at the phenotypic level, and artificial syntopy between various taxa and lineages may lead to diverse outcomes, including hybridisation and local extinction. In central Italy the native synklepton of Pelophylax bergeri (the parental taxon) and P. kl. (klepton) hispanicus (the hybridogenetic hybrid, which clonally transmits the genome of an extinct ridibundus-like taxon) is present. Until recently, data regarding the presence of alien water frogs in central Italy was scarce, and no alien taxa have been reported for Tuscany. In this study, four distinct non-native Pelophylax lineages have been identified via molecular analysis in the Cecina and Arno river basins and ascribed to the Marsh frog group (P. ridibundus sensu lato). Alien Pelophylax ridibundus, P. kurtmuelleri, and P. cf. bedriagae sensu stricto currently appear to be widespread in the Cecina basin. Furthermore, evidence of hybridisation with autochthonous taxa has been suggested by genetic analyses in four out of eight sampling localities. With a view to evaluate urgent conservation
strategies, a greater sampling effort is required to assess the actual distribution and ecology of the alien lineages, and further research is necessary to measure their impact on the native hybridogenetic system of the central-southern Italian pool frogs.
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60
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Missing the mark(er): pseudogenes identified through whole mitochondrial genome sequencing provide new insight into invasive lionfish genetics. CONSERV GENET 2020. [DOI: 10.1007/s10592-020-01263-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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61
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Effects of urbanization–climate interactions on range expansion in the invasive European pavement ant. Basic Appl Ecol 2020. [DOI: 10.1016/j.baae.2020.02.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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62
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Sjodin BMF, Irvine RL, Ford AT, Howald GR, Russello MA. Rattus population genomics across the Haida Gwaii archipelago provides a framework for guiding invasive species management. Evol Appl 2020; 13:889-904. [PMID: 32431741 PMCID: PMC7232760 DOI: 10.1111/eva.12907] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 11/18/2019] [Accepted: 12/05/2019] [Indexed: 11/29/2022] Open
Abstract
Invasive species have led to precipitous declines in biodiversity, especially in island systems. Brown (Rattus norvegicus) and black rats (R. rattus) are among the most invasive animals on the planet, with eradication being the primary tool for established island populations. The need for increased research for defining eradication units and monitoring outcomes has been highlighted as a means to maximize success. Haida Gwaii is an archipelago ~100 km off the northern coast of British Columbia, Canada, that hosts globally significant breeding populations of seabirds that are at risk due to invasive rats. Here, we paired sampling of brown (n = 287) and black (n = 291) rats across the Haida Gwaii archipelago with genotyping by sequencing (10,770-27,686 SNPs) to investigate patterns of population connectivity and infer levels/direction of gene flow among invasive rat populations in Haida Gwaii. We reconstructed three regional clusters for both species (north, central and south), with proximate populations within regions being largely more related than those that were more distant, consistent with predictions from island biogeography theory. Population assignment of recently detected individuals post-eradication on Faraday, Murchison and the Bischof Islands revealed all were re-invaders from Lyell Island, rather than being on-island survivors. Based on these results, we identified six eradication units constituting single or clusters of islands that would limit the potential for reinvasion, some of which will need to be combined with biosecurity measures. Overall, our results highlight the importance of targeted research prior to conducting eradications and demonstrate a framework for applying population genomics for guiding invasive species management in island systems.
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Affiliation(s)
| | - Robyn L. Irvine
- Gwaii Haanas National Park ReserveNational Marine Conservation Area Reserve and Haida Heritage SiteSkidegateBCCanada
| | - Adam T. Ford
- Department of BiologyUniversity of British ColumbiaKelownaBCCanada
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63
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van Boheemen LA, Hodgins KA. Rapid repeatable phenotypic and genomic adaptation following multiple introductions. Mol Ecol 2020; 29:4102-4117. [PMID: 32246535 DOI: 10.1111/mec.15429] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 03/19/2020] [Accepted: 03/25/2020] [Indexed: 12/25/2022]
Abstract
Uncovering the genomic basis of repeated adaption can provide important insights into the constraints and biases that limit the diversity of genetic responses. Demographic processes such as admixture or bottlenecks affect genetic variation underlying traits experiencing selection. The impact of these processes on the genetic basis of adaptation remains, however, largely unexamined empirically. We here test repeatability in phenotypes and genotypes along parallel climatic clines within the native North American and introduced European and Australian Ambrosia artemisiifolia ranges. To do this, we combined multiple lines of evidence from phenotype-environment associations, FST -like outlier tests, genotype-environment associations and genotype-phenotype associations. We used 853 individuals grown in common garden from 84 sampling locations, targeting 19 phenotypes, >83 k SNPs and 22 environmental variables. We found that 17%-26% of loci with adaptive signatures were repeated among ranges, despite alternative demographic histories shaping genetic variation and genetic associations. Our results suggest major adaptive changes can occur on short timescales, with seemingly minimum impacts due to demographic changes linked to introduction. These patterns reveal some predictability of evolutionary change during range expansion, key in a world facing ongoing climate change, and rapid invasive spread.
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Affiliation(s)
| | - Kathryn A Hodgins
- School of Biological Sciences, Monash University, Clayton, Vic., Australia
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64
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Hudson J, Johannesson K, McQuaid CD, Rius M. Secondary contacts and genetic admixture shape colonization by an amphiatlantic epibenthic invertebrate. Evol Appl 2020; 13:600-612. [PMID: 32431738 PMCID: PMC7045719 DOI: 10.1111/eva.12893] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 08/30/2019] [Accepted: 10/16/2019] [Indexed: 01/03/2023] Open
Abstract
Research on the genetics of invasive species often focuses on patterns of genetic diversity and population structure within the introduced range. However, a growing body of literature is demonstrating the need to study how native genotypes affect both ecological and evolutionary mechanisms within the introduced range. Here, we used genotyping-by-sequencing to study both native and introduced ranges of the amphiatlantic marine invertebrate Ciona intestinalis. A previous study using microsatellites analysed samples collected along the Swedish west coast and showed the presence of genetically distinct lineages in deep and shallow waters. Using 1,653 single nucleotide polymorphisms (SNPs) from newly collected samples (285 individuals), we first confirmed the presence of this depth-defined genomic divergence along the Swedish coast. We then used approximate Bayesian computation to infer the historical relationship among sites from the North Sea, the English Channel and the northwest Atlantic and found evidence of ancestral divergence between individuals from deep waters off Sweden and individuals from the English Channel. This divergence was followed by a secondary contact that led to a genetic admixture between the ancestral populations (i.e., deep Sweden and English Channel), which originated the genotypes found in shallow Sweden. We then revealed that the colonization of C. intestinalis in the northwest Atlantic was as a result of an admixture between shallow Sweden and the English Channel genotypes across the introduced range. Our results showed the presence of both past and recent genetic admixture events that together may have promoted the successful colonizations of C. intestinalis. Our study suggests that secondary contacts potentially reshape the evolutionary trajectories of invasive species through the promotion of intraspecific hybridization and by altering both colonization patterns and their ecological effects in the introduced range.
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Affiliation(s)
- Jamie Hudson
- School of Ocean and Earth ScienceNational Oceanography Centre SouthamptonUniversity of SouthamptonSouthamptonUK
| | - Kerstin Johannesson
- Department of Marine SciencesTjärnö Marine LaboratoryUniversity of GothenburgStrömstadSweden
| | - Christopher D. McQuaid
- Department of Zoology and EntomologyCoastal Research GroupRhodes UniversityGrahamstownSouth Africa
| | - Marc Rius
- School of Ocean and Earth ScienceNational Oceanography Centre SouthamptonUniversity of SouthamptonSouthamptonUK
- Department of ZoologyCentre for Ecological Genomics and Wildlife ConservationUniversity of JohannesburgAuckland ParkSouth Africa
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65
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Reed EMX, Serr ME, Maurer AS, Burford Reiskind MO. Gridlock and beltways: the genetic context of urban invasions. Oecologia 2020; 192:615-628. [PMID: 32056021 DOI: 10.1007/s00442-020-04614-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 01/30/2020] [Indexed: 01/16/2023]
Abstract
The rapid expansion of urban land across the globe presents new and numerous opportunities for invasive species to spread and flourish. Ecologists historically rejected urban ecosystems as important environments for ecology and evolution research but are beginning to recognize the importance of these systems in shaping the biology of invasion. Urbanization can aid the introduction, establishment, and spread of invaders, and these processes have substantial consequences on native species and ecosystems. Therefore, it is valuable to understand how urban areas influence populations at all stages in the invasion process. Population genetic tools are essential to explore the driving forces of invasive species dispersal, connectivity, and adaptation within cities. In this review, we synthesize current research about the influence of urban landscapes on invasion genetics dynamics. We conclude that urban areas are not only points of entry for many invasive species, they also facilitate population establishment, are pools for genetic diversity, and provide corridors for further spread both within and out of cities. We recommend the continued use of genetic studies to inform invasive species management and to understand the underlying ecological and evolutionary processes governing successful invasion.
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Affiliation(s)
- E M X Reed
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, 27695, USA.
| | - M E Serr
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, 27695, USA
| | - A S Maurer
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, 27695, USA
| | - M O Burford Reiskind
- Department of Biological Sciences, North Carolina State University, Raleigh, NC, 27695, USA
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66
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Verwimp C, Vansteenbrugge L, Derycke S, Kerkhove T, Muylle H, Honnay O, Ruttink T, Roldán‐Ruiz I, Hostens K. Population genomic structure of the gelatinous zooplankton species Mnemiopsis leidyi in its nonindigenous range in the North Sea. Ecol Evol 2020; 10:11-25. [PMID: 31988713 PMCID: PMC6972810 DOI: 10.1002/ece3.5468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 07/02/2019] [Indexed: 11/07/2022] Open
Abstract
Nonindigenous species pose a major threat for coastal and estuarine ecosystems. Risk management requires genetic information to establish appropriate management units and infer introduction and dispersal routes. We investigated one of the most successful marine invaders, the ctenophore Mnemiopsis leidyi, and used genotyping-by-sequencing (GBS) to explore the spatial population structure in its nonindigenous range in the North Sea. We analyzed 140 specimens collected in different environments, including coastal and estuarine areas, and ports along the coast. Single nucleotide polymorphisms (SNPs) were called in approximately 40 k GBS loci. Population structure based on the neutral SNP panel was significant (F ST .02; p < .01), and a distinct genetic cluster was identified in a port along the Belgian coast (Ostend port; pairwise F ST .02-.04; p < .01). Remarkably, no population structure was detected between geographically distant regions in the North Sea (the Southern part of the North Sea vs. the Kattegat/Skagerrak region), which indicates substantial gene flow at this geographical scale and recent population expansion of nonindigenous M. leidyi. Additionally, seven specimens collected at one location in the indigenous range (Chesapeake Bay, USA) were highly differentiated from the North Sea populations (pairwise F ST .36-.39; p < .01). This study demonstrates the utility of GBS to investigate fine-scale population structure of gelatinous zooplankton species and shows high population connectivity among nonindigenous populations of this recently introduced species in the North Sea. OPEN RESEARCH BADGES This article has earned an Open Data Badge for making publicly available the digitally-shareable data necessary to reproduce the reported results. The data is available at: The DNA sequences generated for this study are deposited in the NCBI sequence read archive under SRA accession numbers SRR6950721-SRR6950884, and will be made publically available upon publication of this manuscript.
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Affiliation(s)
- Christophe Verwimp
- Animal Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)OostendeBelgium
- Plant Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)MelleBelgium
- Department of Biology, Plant Conservation and Population BiologyUniversity of Leuven (KUL)HeverleeBelgium
| | - Lies Vansteenbrugge
- Animal Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)OostendeBelgium
| | - Sofie Derycke
- Animal Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)OostendeBelgium
- Marine Biology Research GroupGhent UniversityGentBelgium
| | - Thomas Kerkhove
- Animal Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)OostendeBelgium
- Marine Biology Research GroupGhent UniversityGentBelgium
| | - Hilde Muylle
- Plant Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)MelleBelgium
| | - Olivier Honnay
- Department of Biology, Plant Conservation and Population BiologyUniversity of Leuven (KUL)HeverleeBelgium
| | - Tom Ruttink
- Plant Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)MelleBelgium
| | - Isabel Roldán‐Ruiz
- Plant Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)MelleBelgium
- Department of Plant Biotechnology and BioinformaticsGhent UniversityZwijnaardeBelgium
| | - Kris Hostens
- Animal Sciences UnitFlanders Research Institute for Agriculture, Fisheries and Food (ILVO)OostendeBelgium
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67
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Hamelin RC, Roe AD. Genomic biosurveillance of forest invasive alien enemies: A story written in code. Evol Appl 2020; 13:95-115. [PMID: 31892946 PMCID: PMC6935587 DOI: 10.1111/eva.12853] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 06/30/2019] [Accepted: 07/19/2019] [Indexed: 12/15/2022] Open
Abstract
The world's forests face unprecedented threats from invasive insects and pathogens that can cause large irreversible damage to the ecosystems. This threatens the world's capacity to provide long-term fiber supply and ecosystem services that range from carbon storage, nutrient cycling, and water and air purification, to soil preservation and maintenance of wildlife habitat. Reducing the threat of forest invasive alien species requires vigilant biosurveillance, the process of gathering, integrating, interpreting, and communicating essential information about pest and pathogen threats to achieve early detection and warning and to enable better decision-making. This process is challenging due to the diversity of invasive pests and pathogens that need to be identified, the diverse pathways of introduction, and the difficulty in assessing the risk of establishment. Genomics can provide powerful new solutions to biosurveillance. The process of invasion is a story written in four chapters: transport, introduction, establishment, and spread. The series of processes that lead to a successful invasion can leave behind a DNA signature that tells the story of an invasion. This signature can help us understand the dynamic, multistep process of invasion and inform management of current and future introductions. This review describes current and future application of genomic tools and pipelines that will provide accurate identification of pests and pathogens, assign outbreak or survey samples to putative sources to identify pathways of spread, and assess risk based on traits that impact the outbreak outcome.
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Affiliation(s)
- Richard C. Hamelin
- Department of Forest and Conservation SciencesThe University of British ColumbiaVancouverBCCanada
- Institut de Biologie Intégrative et des Systèmes (IBIS)Université LavalQuébecQCCanada
- Département des sciences du bois et de la forêt, Faculté de Foresterie et GéographieUniversité LavalQuébecQCCanada
| | - Amanda D. Roe
- Great Lakes Forestry CenterNatural Resources CanadaSault Ste. MarieONCanada
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68
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Baltazar-Soares M, Blanchet S, Cote J, Tarkan AS, Záhorská E, Gozlan RE, Eizaguirre C. Genomic footprints of a biological invasion: Introduction from Asia and dispersal in Europe of the topmouth gudgeon (Pseudorasbora parva). Mol Ecol 2019; 29:71-85. [PMID: 31755610 PMCID: PMC7003831 DOI: 10.1111/mec.15313] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 11/11/2019] [Accepted: 11/17/2019] [Indexed: 12/14/2022]
Abstract
Facilitated by the intensification of global trading, the introduction and dispersal of species to areas in which they are historically non-native is nowadays common. From an evolutionary standpoint, invasions are paradoxical: not only non-native environments could be different from native ones for which introduced individuals would be ill-adapted, but also small founding population size should be associated with reduced adaptive potential. As such, biological invasions are considered valuable real-time evolutionary experiments. Here, we investigated the population structure and adaptive potential of the highly invasive topmouth gudgeon (Pseudorasbora parva) across Europe and East Asia. We RAD-sequenced 301 specimens from sixteen populations and three distinct within-catchment invaded regions as well as two locations in the native range. With 13,785 single nucleotide polymorphisms, we provide conclusive evidence for a genome-wide signature of two distinct invasion events, in Slovakia and Turkey, each originating from a specific area in the native range. A third invaded area, in France, appears to be the result of dispersal within the invasive range. Few loci showed signs of selection, the vast majority of which being identified in the Slovakian region. Functional annotation suggests that faster early stage development, resistance to pollution and immunocompetence contribute to the invasion success of the local habitats. By showing that populations in the invasive range have different evolutionary histories, our study reinforces the idea that populations, rather than species, are the units to consider in invasion biology.
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Affiliation(s)
| | - Simon Blanchet
- CNRS, Station d'Ecologie Théorique et Expérimentale (SETE), Moulis, France
| | - Julien Cote
- UMR5174 (Laboratoire Evolution et Diversité Biologique), CNRS, University Toulouse III Paul Sabatier, Toulouse, France
| | - Ali S Tarkan
- Faculty of Fisheries, Muğla Sıtkı Koçman University, Kötekli, Muğla, Turkey.,Department of Ecology and Vertebrate Zoology, Faculty of Biology and Environmental Protection, University of Łódź, Łódź, Poland
| | - Eva Záhorská
- Faculty of Natural Sciences, Department of Ecology, Comenius University, Bratislava, Slovakia
| | - Rodolphe E Gozlan
- ISEM, Université de Montpellier, CNRS, IRD, EPHE, Montpellier, France
| | - Christophe Eizaguirre
- School of Chemical and Biological Sciences, Queen Mary University of London, London, UK
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69
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Teixeira DF, Neto FRA, Gomes LC, Beheregaray LB, Carvalho DC. Invasion dynamics of the white piranha (Serrasalmus brandtii) in a Neotropical river basin. Biol Invasions 2019. [DOI: 10.1007/s10530-019-02138-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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70
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Suárez-Atilano M, Cuarón AD, Vázquez-Domínguez E. Deciphering Geographical Affinity and Reconstructing Invasion Scenarios of Boa imperator on the Caribbean Island of Cozumel. COPEIA 2019. [DOI: 10.1643/cg-18-102] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Marco Suárez-Atilano
- Departamento de Ecología de la Biodiversidad, Instituto de Ecología, Universidad Nacional Autónoma de México, Ap. Postal 70-275, Ciudad Universitaria, Ciudad de México, 04510, México; (MSA) ; and (EVD)
| | - Alfredo D. Cuarón
- SACBÉ—Servicios Ambientales, Conservación Biológica y Educación A.C., Casa del General 1er piso, Rancho Chichihualco, km 4.5 Carretera Costera Zona Hotelera Norte, Cozumel, Quintana Roo 77613, México;
| | - Ella Vázquez-Domínguez
- Departamento de Ecología de la Biodiversidad, Instituto de Ecología, Universidad Nacional Autónoma de México, Ap. Postal 70-275, Ciudad Universitaria, Ciudad de México, 04510, México; (MSA) ; and (EVD)
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71
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Fine-scale population structure and ecotypes of anadromous Hilsa shad (Tenualosa ilisha) across complex aquatic ecosystems revealed by NextRAD genotyping. Sci Rep 2019; 9:16050. [PMID: 31690767 PMCID: PMC6831668 DOI: 10.1038/s41598-019-52465-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 10/16/2019] [Indexed: 11/16/2022] Open
Abstract
The anadromous Hilsa shad (Tenualosa ilisha) live in the Bay of Bengal and migrate to the estuaries and freshwater rivers for spawning and nursing of the juveniles. This has led to two pertinent questions: (i) do all Hilsa shad that migrate from marine to freshwater rivers come from the same population? and (ii) is there any relationship between adults and juveniles of a particular habitat? To address these questions, NextRAD sequencing was applied to genotype 31,276 single nucleotide polymorphism (SNP) loci for 180 individuals collected from six strategic locations of riverine, estuarine and marine habitats. FST OutFLANK approach identified 14,815 SNP loci as putatively neutral and 79 SNP loci as putatively adaptive. We observed that divergent local adaptations in differing environmental habitats have divided Hilsa shad into three genetically structured ecotypes: turbid freshwater (Western Riverine), clear freshwater (Eastern Riverine) and brackish-saline (Southern Estuarine-Marine). Our results also revealed that genes involved in neuronal activity may have facilitated the juveniles’ Hilsa shad in returning to their respective natal rivers for spawning. This study emphasized the application of fundamental population genomics information in strategizing conservation and management of anadromous fish such as Hilsa shad that intersect diverse ecotypes during their life-history stages.
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72
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Cho MS, Kim JH, Kim CS, Mejías JA, Kim SC. Sow Thistle Chloroplast Genomes: Insights into the Plastome Evolution and Relationship of Two Weedy Species, Sonchus asper and Sonchus oleraceus (Asteraceae). Genes (Basel) 2019; 10:genes10110881. [PMID: 31683955 PMCID: PMC6895928 DOI: 10.3390/genes10110881] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/31/2019] [Accepted: 11/01/2019] [Indexed: 11/23/2022] Open
Abstract
Prickly sow thistle, Sonchus asper (L.) Hill, and common sow thistle, Sonchus oleraceus L., are noxious weeds. Probably originating from the Mediterranean region, they have become widespread species. They share similar morphology and are closely related. However, they differ in their chromosome numbers and the precise relationship between them remains uncertain. Understanding their chloroplast genome structure and evolution is an important initial step toward determining their phylogenetic relationships and analyzing accelerating plant invasion processes on a global scale. We assembled four accessions of chloroplast genomes (two S. asper and two S. oleraceus) by the next generation sequencing approach and conducted comparative genomic analyses. All the chloroplast genomes were highly conserved. Their sizes ranged from 151,808 to 151,849 bp, containing 130 genes including 87 coding genes, 6 rRNA genes, and 37 tRNA genes. Phylogenetic analysis based on the whole chloroplast genome sequences showed that S. asper shares a recent common ancestor with S. oleraceus and suggested its likely involvement in a possible amphidiploid origin of S. oleraceus. In total, 79 simple sequence repeats and highly variable regions were identified as the potential chloroplast markers to determine genetic variation and colonization patterns of Sonchus species.
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Affiliation(s)
- Myong-Suk Cho
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, Korea.
| | - Jin Hyeong Kim
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, Korea.
| | - Chang-Seok Kim
- Highland Agriculture Research Institute, National Institute of Agricultural Sciences, Rural Development Administration (RDA), Gangwon-do 25342, Korea.
| | - José A Mejías
- Department of Plant Biology and Ecology, Universidad de Sevilla, 41004 Seville, Spain.
| | - Seung-Chul Kim
- Department of Biological Sciences, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, Korea.
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73
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Hernández F, Presotto A, Poverene M, Mandel JR. Genetic Diversity and Population Structure of Wild Sunflower (Helianthus annuus L.) in Argentina: Reconstructing Its Invasion History. J Hered 2019; 110:746-759. [PMID: 31353398 DOI: 10.1093/jhered/esz047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 07/27/2019] [Indexed: 11/13/2022] Open
Abstract
Studying the levels and patterns of genetic diversity of invasive populations is important to understand the evolutionary and ecological factors promoting invasions and for better designing preventive and control strategies. Wild sunflower (Helianthus annuus L.) is native to North America and was introduced, and has become invasive, in several countries, including Argentina (ARG). Here, using classical population genetic analyses and approximate Bayesian computation (ABC) modeling, we studied the invasion history of wild sunflower in ARG. We analyzed 115 individuals belonging to 15 populations from ARG (invasive range) and United States (US, native range) at 14 nuclear and 3 chloroplast simple sequence repeat markers along with 23 phenotypic variables. Populations from ARG showed similar levels of nuclear genetic diversity to US populations and higher genetic diversity in the chloroplast genome, indicating no severe genetic bottlenecks during the invasion process. Bayesian clustering analysis, based on nuclear markers, suggests the presence of 3 genetic clusters, all present in both US and ARG. Discriminant analysis of principal components (DAPC) detected an overall low population structure between central US and ARG populations but separated 2 invasive populations from the rest. ABC modeling supports multiple introductions but also a southward dispersal within ARG. Genetic and phenotypic data support the central US as a source of introduction while the source of secondary introductions could not be resolved. Finally, using genetic markers from the chloroplast genome, we found lower population structure in ARG when compared with US populations, suggesting a role for seed-mediated gene flow in Argentina.
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Affiliation(s)
- Fernando Hernández
- Departamento de Agronomía, Universidad Nacional del Sur (UNS), San Andrés 800, Bahía Blanca, Argentina.,Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS), CONICET-Bahía Blanca, Bahía Blanca, Argentina
| | - Alejandro Presotto
- Departamento de Agronomía, Universidad Nacional del Sur (UNS), San Andrés 800, Bahía Blanca, Argentina.,Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS), CONICET-Bahía Blanca, Bahía Blanca, Argentina
| | - Mónica Poverene
- Departamento de Agronomía, Universidad Nacional del Sur (UNS), San Andrés 800, Bahía Blanca, Argentina.,Centro de Recursos Naturales Renovables de la Zona Semiárida (CERZOS), CONICET-Bahía Blanca, Bahía Blanca, Argentina
| | - Jennifer R Mandel
- Department of Biological Sciences, University of Memphis, Memphis, TN
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74
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Zhu X, Gopurenko D, Serrano M, Spencer MA, Pieterse PJ, Skoneczny D, Lepschi BJ, Reigosa MJ, Gurr GM, Callaway RM, Weston LA. Genetic evidence for plural introduction pathways of the invasive weed Paterson's curse (Echium plantagineum L.) to southern Australia. PLoS One 2019; 14:e0222696. [PMID: 31536564 PMCID: PMC6752891 DOI: 10.1371/journal.pone.0222696] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 09/05/2019] [Indexed: 11/18/2022] Open
Abstract
Paterson’s curse (Echium plantagineum L. (Boraginaceae)), is an herbaceous annual native to Western Europe and northwest Africa. It has been recorded in Australia since the 1800’s and is now a major weed in pastures and rangelands, but its introduction history is poorly understood. An understanding of its invasion pathway and subsequent genetic structure is critical to the successful introduction of biological control agents and for provision of informed decisions for plant biosecurity efforts. We sampled E. plantagineum in its native (Iberian Peninsula), non-native (UK) and invaded ranges (Australia and South Africa) and analysed three chloroplast gene regions. Considerable genetic diversity was found among E. plantagineum in Australia, suggesting a complex introduction history. Fourteen haplotypes were identified globally, 10 of which were co-present in Australia and South Africa, indicating South Africa as an important source population, likely through contamination of traded goods or livestock. Haplotype 4 was most abundant in Australia (43%), and in historical and contemporary UK populations (80%), but scarce elsewhere (< 17%), suggesting that ornamental and/or other introductions from genetically impoverished UK sources were also important. Collectively, genetic evidence and historical records indicate E. plantagineum in southern Australia exists as an admixture that is likely derived from introduced source populations in both the UK and South Africa.
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Affiliation(s)
- Xiaocheng Zhu
- Graham Centre for Agricultural Innovation (Charles Sturt University and NSW Department of Primary Industries), Charles Sturt University, Wagga Wagga, Australia
- * E-mail:
| | - David Gopurenko
- NSW Department of Primary Industries, Wagga Wagga Agricultural Institute, Wagga Wagga, Australia
| | - Miguel Serrano
- Department of Botany, Faculty of Pharmacy, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Mark A. Spencer
- Department of Life Sciences, Natural History Museum, London, United Kingdom
| | - Petrus J. Pieterse
- Department of Agronomy, Stellenbosch University, Private bag X1, Matieland, South Africa
| | - Dominik Skoneczny
- Department of Biochemistry and Molecular Biology, University of Melbourne, Melbourne, Australia
| | - Brendan J. Lepschi
- Australian National Herbarium, Centre for Australian National Biodiversity Research, Canberra, Australia
| | - Manuel J. Reigosa
- Department of Plant Biology and Soil Science, Faculty of Biology, University of Vigo, Vigo, Pontevedra, Spain
| | - Geoff M. Gurr
- Graham Centre for Agricultural Innovation (Charles Sturt University and NSW Department of Primary Industries), Charles Sturt University, Wagga Wagga, Australia
| | - Ragan M. Callaway
- Division of Biological Sciences, University of Montana, Missoula, Montana, United States of America
| | - Leslie A. Weston
- Graham Centre for Agricultural Innovation (Charles Sturt University and NSW Department of Primary Industries), Charles Sturt University, Wagga Wagga, Australia
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75
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Li FF, Gong L, Li JS, Liu XY, Zhao CY. Low genetic differentiation yet high phenotypic variation in the invasive populations of Spartina alterniflora in Guangxi, China. PLoS One 2019; 14:e0222646. [PMID: 31527890 PMCID: PMC6748429 DOI: 10.1371/journal.pone.0222646] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 09/03/2019] [Indexed: 11/18/2022] Open
Abstract
Genetic variation and population structure may reflect important information for invasion success of exotic plant species and thus help improve management of invasive plants. Spartina alterniflora is an invasive plant that is a major threat to the economy and environment of the coastal regions in China. We analyzed the genetic structure and diversity of six populations of S. alterniflora differing in invasion histories in Guangxi, China. A total of 176 individuals from the six populations produced 348 AFLP fragments. The average heterozygosity was significantly lower than in the native population. And genetic bottlenecks were also detected in most populations. Standardized FST statistics (Φpt = 0.015) and AMOVA results indicated weak genetic differentiation. Genetic admixture and obviously isolation by distance indicated populations in Guangxi come from a pre-admixed population by a single introduction. High phenotypic variations of S. alterniflora in Guangxi influenced by soil salinity and temperature might be an important reason for the successful invasion.
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Affiliation(s)
- Fei-Fei Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, P.R. China
| | - Lu Gong
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, P.R. China
| | - Jun-Sheng Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, P.R. China
| | - Xiao-Yan Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, P.R. China
| | - Cai-Yun Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, P.R. China
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76
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Tseng SP, Wetterer JK, Suarez AV, Lee CY, Yoshimura T, Shoemaker D, Yang CCS. Genetic Diversity and Wolbachia Infection Patterns in a Globally Distributed Invasive Ant. Front Genet 2019; 10:838. [PMID: 31608104 PMCID: PMC6758599 DOI: 10.3389/fgene.2019.00838] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 08/13/2019] [Indexed: 11/23/2022] Open
Abstract
Understanding the phylogeographic history of an invasive species may facilitate reconstructing the history and routes of its invasion. The longhorn crazy ant, Paratrechina longicornis, is a ubiquitous agricultural and household pest throughout much of the tropics and subtropics, but little is known about the history of its spread. Here, we examine worldwide genetic variation in P. longicornis and its associated Wolbachia bacterial symbionts. Analyses of mtDNA sequences of 248 P. longicornis workers (one per colony) from 13 geographic regions reveal two highly diverged mtDNA clades that co-occur in most of the geographic regions. These two mtDNA clades are associated with different Wolbachia infection patterns, but are not congruent with patterns of nDNA (microsatellite) variation. Multilocus sequence typing reveals two distinct Wolbachia strains in P. longicornis, namely, wLonA and wLonF. The evolutionary histories of these two strains differ; wLonA appears to be primarily transmitted maternally, and patterns of mtDNA and nDNA variation and wLonA infection status are consistent with a relatively recent Wolbachia-induced selective sweep. In contrast, the observed patterns of mtDNA variation and wLonF infections suggest frequent horizontal transfer and losses of wLonF infections. The lack of nDNA structure among sampled geographic regions coupled with the finding that numerous mtDNA haplotypes are shared among regions implies that inadvertent long-distance movement through human commerce is common in P. longicornis and has shaped the genetic structure of this invasive ant worldwide.
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Affiliation(s)
- Shu-Ping Tseng
- Research Institute for Sustainable Humanosphere, Kyoto University, Kyoto, Japan
| | - James K. Wetterer
- Wilkes Honors College, Florida Atlantic University, Jupiter, FL, United States
| | - Andrew V. Suarez
- Department of Evolution, Ecology and Behavior and Department of Entomology, University of Illinois Urbana-Champaign, IL, United States
| | - Chow-Yang Lee
- Department of Entomology, University of California, Riverside, CA, United States
| | - Tsuyoshi Yoshimura
- Research Institute for Sustainable Humanosphere, Kyoto University, Kyoto, Japan
| | - DeWayne Shoemaker
- Entomology and Plant Pathology, University of Tennessee, Knoxville, TN, United States
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78
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Global invasion genetics of two parasitic copepods infecting marine bivalves. Sci Rep 2019; 9:12730. [PMID: 31484951 PMCID: PMC6726661 DOI: 10.1038/s41598-019-48928-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 08/12/2019] [Indexed: 11/26/2022] Open
Abstract
Invasive species, and especially invasive parasites, represent excellent models to study ecological and evolutionary mechanisms in the wild. To understand these processes, it is crucial to obtain more knowledge on the native range, invasion routes and invasion history of invasive parasites. We investigated the consecutive invasions of two parasitic copepods (Mytilicola intestinalis and Mytilicolaorientalis) by combining an extensive literature survey covering the reported putative native regions and the present-day invaded regions with a global phylogeography of both species. The population genetic analyses based on partial COI sequences revealed significant population differentiation for M. orientalis within the native region in Japan, while introduced populations in North America and Europe could not be distinguished from the native ones. Thus, M. orientalis’ invasion history resembles the genetic structure and recent spread of its principal host, the Pacific oyster, Crassostrea gigas, while M. intestinalis lacks population genetic structure and has an overall low genetic diversity. Therefore, the native origin of M. intestinalis remains unclear. With this study, we demonstrate that even highly related and biologically similar invasive species can differ in their invasion genetics. From this, we conclude that extrapolating invasion genetics dynamics from related invasive taxa may not always be possible.
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79
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Brandes U, Furevik BB, Nielsen LR, Kjær ED, Rosef L, Fjellheim S. Introduction history and population genetics of intracontinental scotch broom (Cytisus scoparius) invasion. DIVERS DISTRIB 2019. [DOI: 10.1111/ddi.12979] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Affiliation(s)
- Ursula Brandes
- Department of Plant Sciences Norwegian University of Life Sciences Ås Norway
| | | | - Lene Rostgaard Nielsen
- Department of Geosciences and Natural Resource Management University of Copenhagen Frederiksberg Denmark
| | - Erik Dahl Kjær
- Department of Geosciences and Natural Resource Management University of Copenhagen Frederiksberg Denmark
| | - Line Rosef
- Department of Plant Sciences Norwegian University of Life Sciences Ås Norway
| | - Siri Fjellheim
- Department of Plant Sciences Norwegian University of Life Sciences Ås Norway
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80
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Winkler DE, Chapin KJ, François O, Garmon JD, Gaut BS, Huxman TE. Multiple introductions and population structure during the rapid expansion of the invasive Sahara mustard ( Brassica tournefortii). Ecol Evol 2019; 9:7928-7941. [PMID: 31380061 PMCID: PMC6662425 DOI: 10.1002/ece3.5239] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 04/13/2019] [Accepted: 04/14/2019] [Indexed: 12/23/2022] Open
Abstract
The specific mechanisms that result in the success of any species invasion case are difficult to document. Reproductive strategies are often cited as a primary driver of invasive success, with human activities further facilitating invasions by, for example, acting as seed vectors for dispersal via road, train, air, and marine traffic, and by producing efficient corridors for movement including canals, drainages, and roadways. Sahara mustard (Brassica tournefortii) is a facultative autogamous annual native to Eurasia that has rapidly invaded the southwestern United States within the past century, displacing natives, and altering water-limited landscapes in the southwest. We used a genotyping-by-sequencing approach to study the population structure and spatial geography of Sahara mustard from 744 individuals from 52 sites across the range of the species' invasion. We also used herbaria records to model range expansion since its initial introduction in the 1920s. We found that Sahara mustard occurs as three populations in the United States unstructured by geography, identified three introduction sites, and combined herbaria records with genomic analyses to map the spread of the species. Low genetic diversity and linkage disequilibrium are consistent with self-fertilization, which likely promoted rapid invasive spread. Overall, we found that Sahara mustard experienced atypical expansion patterns, with a relatively constant rate of expansion and without the lag phase that is typical of many invasive species.
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Affiliation(s)
- Daniel E. Winkler
- Department of Ecology and Evolutionary BiologyUniversity of California, IrvineIrvineCalifornia
- U.S. Geological SurveySouthwest Biological Science CenterMoabUtah
| | - Kenneth J. Chapin
- Department of Ecology and Evolutionary BiologyUniversity of California, Los AngelesLos AngelesCalifornia
- Department of Ecology and Evolutionary BiologyUniversity of ArizonaTucsonArizona
| | | | | | - Brandon S. Gaut
- Department of Ecology and Evolutionary BiologyUniversity of California, IrvineIrvineCalifornia
| | - Travis E. Huxman
- Department of Ecology and Evolutionary BiologyUniversity of California, IrvineIrvineCalifornia
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81
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Sherpa S, Blum MGB, Capblancq T, Cumer T, Rioux D, Després L. Unravelling the invasion history of the Asian tiger mosquito in Europe. Mol Ecol 2019; 28:2360-2377. [PMID: 30849200 DOI: 10.1111/mec.15071] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/03/2019] [Accepted: 03/04/2019] [Indexed: 01/15/2023]
Abstract
Multiple introductions are key features for the establishment and persistence of introduced species. However, little is known about the contribution of genetic admixture to the invasive potential of populations. To address this issue, we studied the recent invasion of the Asian tiger mosquito (Aedes albopictus) in Europe. Combining genome-wide single nucleotide polymorphisms and historical knowledge using an approximate Bayesian computation framework, we reconstruct the colonization routes and establish the demographic dynamics of invasion. The colonization of Europe involved at least three independent introductions in Albania, North Italy and Central Italy that subsequently acted as dispersal centres throughout Europe. We show that the topology of human transportation networks shaped demographic histories with North Italy and Central Italy being the main dispersal centres in Europe. Introduction modalities conditioned the levels of genetic diversity in invading populations, and genetically diverse and admixed populations promoted more secondary introductions and have spread farther than single-source invasions. This genomic study provides further crucial insights into a general understanding of the role of genetic diversity promoted by modern trade in driving biological invasions.
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Affiliation(s)
| | - Michael G B Blum
- Université Grenoble Alpes, CNRS UMR 5525 TIMC-IMAG, Grenoble, France
| | | | - Tristan Cumer
- Université Grenoble Alpes, CNRS UMR 5553 LECA, Grenoble, France
| | - Delphine Rioux
- Université Grenoble Alpes, CNRS UMR 5553 LECA, Grenoble, France
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82
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van Boheemen LA, Atwater DZ, Hodgins KA. Rapid and repeated local adaptation to climate in an invasive plant. THE NEW PHYTOLOGIST 2019; 222:614-627. [PMID: 30367474 DOI: 10.1111/nph.15564] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 10/18/2018] [Indexed: 06/08/2023]
Abstract
Biological invasions provide opportunities to study evolutionary processes occurring over contemporary timescales. To explore the speed and repeatability of adaptation, we examined the divergence of life-history traits to climate, using latitude as a proxy, in the native North American and introduced European and Australian ranges of the annual plant Ambrosia artemisiifolia. We explored niche changes following introductions using climate niche dynamic models. In a common garden, we examined trait divergence by growing seeds collected across three ranges with highly distinct demographic histories. Heterozygosity-fitness associations were used to explore the effect of invasion history on potential success. We accounted for nonadaptive population differentiation using 11 598 single nucleotide polymorphisms. We revealed a centroid shift to warmer, wetter climates in the introduced ranges. We identified repeated latitudinal divergence in life-history traits, with European and Australian populations positioned at either end of the native clines. Our data indicate rapid and repeated adaptation to local climates despite the recent introductions and a bottleneck limiting genetic variation in Australia. Centroid shifts in the introduced ranges suggest adaptation to more productive environments, potentially contributing to trait divergence between the ranges.
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Affiliation(s)
- Lotte A van Boheemen
- School of Biological Sciences, Monash University, Clayton, Vic., 3800, Australia
| | - Daniel Z Atwater
- Department of Biology, Earlham College, Richmond, IN, 47374, USA
| | - Kathryn A Hodgins
- School of Biological Sciences, Monash University, Clayton, Vic., 3800, Australia
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83
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Urquía D, Gutierrez B, Pozo G, Pozo MJ, Espín A, Torres MDL. Psidium guajava in the Galapagos Islands: Population genetics and history of an invasive species. PLoS One 2019; 14:e0203737. [PMID: 30865637 PMCID: PMC6415804 DOI: 10.1371/journal.pone.0203737] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 02/07/2019] [Indexed: 11/30/2022] Open
Abstract
The threat of invasive plant species in island populations prompts the need to better understand their population genetics and dynamics. In the Galapagos islands, this is exemplified by the introduced guava (Psidium guajava), considered one of the greatest threats to the local biodiversity due to its effective spread in the archipelago and its ability to outcompete endemic species. To better understand its history and genetics, we analyzed individuals from three inhabited islands in the Galapagos archipelago with 11 SSR markers. Our results reveal similar genetic diversity between islands, and the populations appear to be distinct: the islands of San Cristobal and Isabela are genetically different while the population of Santa Cruz is a mixture from both. Additional evidence for genetic bottlenecks and the inference of introduction events suggests an original introduction of the species in San Cristobal, from where it was later introduced to Isabela, and finally into Santa Cruz. Alternatively, a second introduction in Isabela might have occurred. These results are contrasted with the historical record, providing a first overview of the history of P. guajava in the Galapagos islands and its current population dynamics.
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Affiliation(s)
- Diego Urquía
- Universidad San Francisco de Quito (USFQ), Colegio de Ciencias Biológicas y Ambientales, Laboratorio de Biotecnología Vegetal, Campus Cumbayá, Quito, Ecuador
| | - Bernardo Gutierrez
- Universidad San Francisco de Quito (USFQ), Colegio de Ciencias Biológicas y Ambientales, Laboratorio de Biotecnología Vegetal, Campus Cumbayá, Quito, Ecuador
- Department of Zoology, University of Oxford, South Parks Road, Oxford, United Kingdom
| | - Gabriela Pozo
- Universidad San Francisco de Quito (USFQ), Colegio de Ciencias Biológicas y Ambientales, Laboratorio de Biotecnología Vegetal, Campus Cumbayá, Quito, Ecuador
| | - María José Pozo
- Universidad San Francisco de Quito (USFQ), Colegio de Ciencias Biológicas y Ambientales, Laboratorio de Biotecnología Vegetal, Campus Cumbayá, Quito, Ecuador
| | - Analía Espín
- Universidad San Francisco de Quito (USFQ), Colegio de Ciencias Biológicas y Ambientales, Laboratorio de Biotecnología Vegetal, Campus Cumbayá, Quito, Ecuador
| | - María de Lourdes Torres
- Universidad San Francisco de Quito (USFQ), Colegio de Ciencias Biológicas y Ambientales, Laboratorio de Biotecnología Vegetal, Campus Cumbayá, Quito, Ecuador
- Galapagos Science Center, Universidad San Francisco de Quito and University of North Carolina at Chapel Hill, San Cristobal, Galapagos, Ecuador
- * E-mail:
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84
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Hirsch H, Castillo ML, Impson FAC, Kleinjan C, Richardson DM, Le Roux JJ. Ghosts from the past: even comprehensive sampling of the native range may not be enough to unravel the introduction history of invasive species-the case of Acacia dealbata invasions in South Africa. AMERICAN JOURNAL OF BOTANY 2019; 106:352-362. [PMID: 30816998 DOI: 10.1002/ajb2.1244] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 12/19/2018] [Indexed: 06/09/2023]
Abstract
PREMISE OF THE STUDY Knowledge about the introduction history (source(s), number and size of introduction events) of an invasive species is a crucial prerequisite to understand invasion success and to facilitate effective and sustainable management approaches, especially for effective biological control. We investigated the introduction history of the Australian legume tree Acacia dealbata in South Africa. Results of this study will not only provide critical information for the management of this species in South Africa, but will also broaden our overall knowledge on the invasion ecology of this globally important invasive tree. METHODS We used nuclear microsatellite markers to compare the genetic diversity and structure between 42 native Australian and 18 invasive South African populations and to test different and competing introduction scenarios using Approximate Bayesian Computation analyses. KEY RESULTS Australian populations were characterized by two distinct genetic clusters, while South African populations lacked any clear genetic structure and showed significantly lower levels of genetic diversity compared to native range populations. South African populations were also genetically divergent from native populations and the most likely introduction scenario indicated an unknown source population. CONCLUSIONS Although we cannot definitely prove the cause of the observed genetic novelty/diversification in South African Acacia dealbata populations, it cannot be attributable to insufficient sampling of native populations. Our study highlights the complexity of unravelling the introduction histories of commercially important alien species.
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Affiliation(s)
- Heidi Hirsch
- Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
| | - Maria L Castillo
- Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
| | - Fiona A C Impson
- Plant Protection Research Institute, Private Bag X5017, Stellenbosch, 7599, South Africa
- Plant Conservation Unit, Department of Biological Sciences, University of Cape Town, Rondebosch, 7701, South Africa
| | - Catharina Kleinjan
- Plant Conservation Unit, Department of Biological Sciences, University of Cape Town, Rondebosch, 7701, South Africa
| | - David M Richardson
- Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
| | - Johannes J Le Roux
- Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
- Department of Biological Sciences, Macquarie University, Sydney, New South Wales, 2109, Australia
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85
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Bouteiller XP, Verdu CF, Aikio E, Bloese P, Dainou K, Delcamp A, De Thier O, Guichoux E, Mengal C, Monty A, Pucheu M, van Loo M, Josée Porté A, Lassois L, Mariette S. A few north Appalachian populations are the source of European black locust. Ecol Evol 2019; 9:2398-2414. [PMID: 30891188 PMCID: PMC6405530 DOI: 10.1002/ece3.4776] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 11/12/2018] [Accepted: 11/13/2018] [Indexed: 12/24/2022] Open
Abstract
The role of evolution in biological invasion studies is often overlooked. In order to evaluate the evolutionary mechanisms behind invasiveness, it is crucial to identify the source populations of the introduction. Studies in population genetics were carried out on Robinia pseudoacacia L., a North American tree which is now one of the worst invasive tree species in Europe. We realized large-scale sampling in both the invasive and native ranges: 63 populations were sampled and 818 individuals were genotyped using 113 SNPs. We identified clonal genotypes in each population and analyzed between and within range population structure, and then, we compared genetic diversity between ranges, enlarging the number of SNPs to mitigate the ascertainment bias. First, we demonstrated that European black locust was introduced from just a limited number of populations located in the Appalachian Mountains, which is in agreement with the historical documents briefly reviewed in this study. Within America, population structure reflected the effects of long-term processes, whereas in Europe it was largely impacted by human activities. Second, we showed that there is a genetic bottleneck between the ranges with a decrease in allelic richness and total number of alleles in Europe. Lastly, we found more clonality within European populations. Black locust became invasive in Europe despite being introduced from a reduced part of its native distribution. Our results suggest that human activity, such as breeding programs in Europe and the seed trade throughout the introduced range, had a major role in promoting invasion; therefore, the introduction of the missing American genetic cluster to Europe should be avoided.
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Affiliation(s)
| | - Cindy Frédérique Verdu
- Biodiversity and Landscape Unit, Gembloux Agro‐Bio TechUniversity of LiègeGemblouxBelgium
| | - Emmi Aikio
- Department of Genetics and PhysiologyUniversity of OuluOuluFinland
| | - Paul Bloese
- Department of ForestryMichigan State UniversityEast LansingMichigan
| | - Kasso Dainou
- Biodiversity and Landscape Unit, Gembloux Agro‐Bio TechUniversity of LiègeGemblouxBelgium
| | | | - Olivier De Thier
- Biodiversity and Landscape Unit, Gembloux Agro‐Bio TechUniversity of LiègeGemblouxBelgium
| | | | - Coralie Mengal
- Biodiversity and Landscape Unit, Gembloux Agro‐Bio TechUniversity of LiègeGemblouxBelgium
| | - Arnaud Monty
- Forest Management Unit, Gembloux Agro‐Bio TechUniversity of LiègeGemblouxBelgium
| | | | - Marcela van Loo
- Department of Botany and Biodiversity ResearchUniversity of ViennaViennaAustria
| | | | - Ludivine Lassois
- Biodiversity and Landscape Unit, Gembloux Agro‐Bio TechUniversity of LiègeGemblouxBelgium
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86
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Morim T, Bigg GR, Madeira PM, Palma J, Duvernell DD, Gisbert E, Cunha RL, Castilho R. Invasion genetics of the mummichog ( Fundulus heteroclitus): recent anthropogenic introduction in Iberia. PeerJ 2019; 7:e6155. [PMID: 30775165 PMCID: PMC6369826 DOI: 10.7717/peerj.6155] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 11/25/2018] [Indexed: 11/29/2022] Open
Abstract
Human activities such as trade and transport have increased considerably in the last decades, greatly facilitating the introduction and spread of non-native species at a global level. In the Iberian Peninsula, Fundulus heteroclitus, a small euryhaline coastal fish with short dispersal, was found for the first time in the mid-1970s. Since then, F. heteroclitus has undergone range expansions, colonizing the southern region of Portugal, southwestern coast of Spain and the Ebro Delta in the Mediterranean Sea. Cytochrome b sequences were used to elucidate the species invasion pathway in Iberia. Three Iberian locations (Faro, Cádiz and Ebro Delta) and 13 other locations along the native range of F. heteroclitus in North America were sampled. Results revealed a single haplotype, common to all invasive populations, which can be traced to the northern region of the species’ native range. We posit that the origin of the founder individuals is between New York and Nova Scotia. Additionally, the lack of genetic structure within Iberia is consistent with a recent invasion scenario and a strong founder effect. We suggest the most probable introduction vector is associated with the aquarium trade. We further discuss the hypothesis of a second human-mediated introduction responsible for the establishment of individuals in the Ebro Delta supported by the absence of adequate muddy habitats linking Cádiz and the Ebro Delta. Although the species has a high tolerance to salinity and temperature, ecological niche modelling indicates that benthic habitat constraints prevent along-shore colonisation suggesting that such expansions would need to be aided by human release.
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Affiliation(s)
- Teófilo Morim
- Centre for Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
| | - Grant R Bigg
- Department of Geography, University of Sheffield, Sheffield, United Kingdom
| | - Pedro M Madeira
- Centre for Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
| | - Jorge Palma
- Centre for Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
| | - David D Duvernell
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, United States of America
| | - Enric Gisbert
- IRTA, Aquaculture Program, Centre de Sant Carles de la Ràpita, Sant Carles de la Ràpita, Spain
| | - Regina L Cunha
- Centre for Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
| | - Rita Castilho
- Centre for Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
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87
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Dubey S, Lavanchy G, Thiébaud J, Dufresnes C. Herps without borders: a new newt case and a review of transalpine alien introductions in western Europe. AMPHIBIA-REPTILIA 2019. [DOI: 10.1163/15685381-20181028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
Biogeographic processes have led to different evolutionary taxa occurring in the northern and southern edges of the Alpine Mountains in Western Europe. The integrity of this diversity is being challenged by frequent human-mediated trans-alpine translocations, sometimes leading to biological invasions. Several alien terrestrial vertebrates of south Alpine origins (Italy, Swiss Ticino) are causing damages to native north Alpine fauna. In this paper, we used molecular tools to characterize the understudied case of the Mediterranean smooth newt (Lissotriton vulgaris meridionalis) expanding in the outskirts of Geneva since its introduction before 1975. Mitochondrial and nuclear DNA sequencing suggest that these exotic populations are a mixture between two diverged L. v. meridionalis lineages from central Italy, and traces of potential hybridization with the native L. v. vulgaris was detected. This situation echoes many other trans-alpine alien introductions. We review all comparable cases of southern to northern Alps introductions in vertebrates, including seven reptiles and four amphibians. The majority of south alpine alien lineages were presumably imported voluntarily by enthusiasts and appear to perform better in the disturbed habitats found in the anthropogenic landscapes of Western Europe compared to their native north Alpine counterparts. Most pose serious threats to related species of similar ecology, through direct competition, predation and introgressive hybridization. Difficulties to detect alien species on time lead to significant conservation costs. Better education together with more appropriate and reactive management plans will be necessary to limit the impact of future alien introductions.
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Affiliation(s)
- Sylvain Dubey
- 1Hintermann & Weber SA, Rue de l’Eglise-Catholique 9b, 1820 Montreux, Switzerland
- 2Department of Ecology & Evolution, University of Lausanne, Biophore Building, 1015 Lausanne, Switzerland
| | - Guillaume Lavanchy
- 2Department of Ecology & Evolution, University of Lausanne, Biophore Building, 1015 Lausanne, Switzerland
- 3Association de la Grande Cariçaie, Chemin de la Cariçaie 3, 1400 Cheseaux-Noréaz, Switzerland
| | | | - Christophe Dufresnes
- 5Department of Animal & Plant Sciences, University of Sheffield, Alfred Denny Building, Western Bank, Sheffield S10 2TN, UK
- 6Laboratory for Conservation Biology, University of Lausanne, Biophore Building, 1015 Lausanne, Switzerland
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Barker BS, Cocio JE, Anderson SR, Braasch JE, Cang FA, Gillette HD, Dlugosch KM. Potential limits to the benefits of admixture during biological invasion. Mol Ecol 2018; 28:100-113. [PMID: 30485593 DOI: 10.1111/mec.14958] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Revised: 11/06/2018] [Accepted: 11/09/2018] [Indexed: 12/18/2022]
Abstract
Species introductions often bring together genetically divergent source populations, resulting in genetic admixture. This geographic reshuffling of diversity has the potential to generate favourable new genetic combinations, facilitating the establishment and invasive spread of introduced populations. Observational support for the superior performance of admixed introductions has been mixed, however, and the broad importance of admixture to invasion questioned. Under most underlying mechanisms, admixture's benefits should be expected to increase with greater divergence among and lower genetic diversity within source populations, though these effects have not been quantified in invaders. We experimentally crossed source populations differing in divergence in the invasive plant Centaurea solstitialis. Crosses resulted in many positive (heterotic) interactions, but fitness benefits declined and were ultimately negative at high source divergence, with patterns suggesting cytonuclear epistasis. We explored the literature to assess whether such negative epistatic interactions might be impeding admixture at high source population divergence. Admixed introductions reported for plants came from sources with a wide range of genetic variation, but were disproportionately absent where there was high genetic divergence among native populations. We conclude that while admixture is common in species introductions and often happens under conditions expected to be beneficial to invaders, these conditions may be constrained by predictable negative genetic interactions, potentially explaining conflicting evidence for admixture's benefits to invasion.
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Affiliation(s)
- Brittany S Barker
- University of Arizona, Tucson, Arizona.,United States Geological Survey, Boise, Idaho
| | | | | | | | | | - Heather D Gillette
- University of Arizona, Tucson, Arizona.,Northern Arizona University, Flagstaff, Arizona
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89
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DNA barcodes of Antipode marine invertebrates in Bay of Biscay and Gulf of Lion ports suggest new biofouling challenges. Sci Rep 2018; 8:16214. [PMID: 30385812 PMCID: PMC6212436 DOI: 10.1038/s41598-018-34447-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 10/17/2018] [Indexed: 11/08/2022] Open
Abstract
Marine biological invasions threaten global biodiversity nowadays. In this article, we have studied fouling communities from 10 port areas of south Bay of Biscay (Atlantic Ocean) and Gulf of Lion (Mediterranean Sea). A total of 834 individuals were genetically barcoded and corresponded to 95 different species. A total of 76 native species 8 genera and 1 family were identified, 58 from the Bay of Biscay and 23 from the Gulf of Lion. Furthermore, 19 species were identified as non-indigenous or cryptogenic (18 from the Bay of Biscay and 4 from the Gulf of Lion). We found a high proportion of Antipode non-indigenous species (NIS) that represented the 19.3% of all sampled individuals and the 54.21% of NIS specimens of this study. A framework for inference of donor regions based on a phylogenetic screening of genetic sequences was proposed as a proof of concept and tested, as well as models for the relationship between NIS introductions, maritime imports and distance to NIS native range and inferred donor areas. Consistent generalized linear models (GLM) with positive association between NIS genetic diversity and distance, not with maritime growth weight imports, strongly suggest that distant NIS could pose higher invasion risk than closer species. Selection for wider tolerance ranges during the long travel -direct or stepwise, as well as environmental similarity between donor and receiving regions, may explain these results.
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90
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Andrew SC, Jensen H, Hagen IJ, Lundregan S, Griffith SC. Signatures of genetic adaptation to extremely varied Australian environments in introduced European house sparrows. Mol Ecol 2018; 27:4542-4555. [DOI: 10.1111/mec.14897] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 09/24/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Samuel C. Andrew
- Department of Biological Sciences; Macquarie University; Sydney New South Wales Australia
| | - Henrik Jensen
- Centre for Biodiversity Dynamics; Department of Biology; Norwegian University of Science and Technology; Trondheim Norway
| | - Ingerid J. Hagen
- Centre for Biodiversity Dynamics; Department of Biology; Norwegian University of Science and Technology; Trondheim Norway
- Norwegian Institute for Nature Research; Trondheim Norway
| | - Sarah Lundregan
- Centre for Biodiversity Dynamics; Department of Biology; Norwegian University of Science and Technology; Trondheim Norway
| | - Simon C. Griffith
- Department of Biological Sciences; Macquarie University; Sydney New South Wales Australia
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91
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Suetsugu K, Fukushima S, Sueyoshi M. Substantial impact of seed-feeding fly on seed production of five endangered Japanese orchids. Ecology 2018; 99:2871-2873. [PMID: 30240505 DOI: 10.1002/ecy.2471] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2018] [Revised: 07/01/2018] [Accepted: 07/10/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Kenji Suetsugu
- Department of Biology, Graduate School of Science, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe, 657-8501, Japan
| | - Shigeki Fukushima
- Chiba Prefectural Agriculture and Forestry Research Center, 1887-1, Haniya, Sanbu, Chiba, 289-1223, Japan
| | - Masahiro Sueyoshi
- Forest Zoology Group, Kyushu Research Center, Forestry and Forest Products Research Institute, 4-11-16 Kurokami, Kumamoto, 860-0862, Japan
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92
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93
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Ebbs ET, Loker ES, Brant SV. Phylogeography and genetics of the globally invasive snail Physa acuta Draparnaud 1805, and its potential to serve as an intermediate host to larval digenetic trematodes. BMC Evol Biol 2018; 18:103. [PMID: 29969987 PMCID: PMC6029401 DOI: 10.1186/s12862-018-1208-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 06/05/2018] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Physa acuta is a globally invasive freshwater snail native to North America. Prior studies have led to conflicting views of how P. acuta populations are connected and genetic diversity is partitioned globally. This study aims to characterize phylogeographic and population genetic structure within the native range of P. acuta, elucidate its invasion history and assess global patterns of genetic diversity. Further, using meta-analytic methods, we test the 'Enemy-Release hypothesis' within the P. acuta - digenetic trematode system. The 'Enemy-Release hypothesis' refers to the loss of native parasites following establishment of their host within an invasive range. Population genetic data is combined with surveys of trematode infections to map range-wide trematode species richness associated with P. acuta, and to identify relevant host-population parameters important in modeling host-parasite invasion. RESULTS Phylogenetic analyses using mtDNA uncovered two major clades (A & B). Clade A occurs globally while clade B was only recovered from the Western USA. All invasive populations sampled grouped within Clade A, where multiple independent source populations were identified from across North America. Significant population genetic structure was found within the native range of P. acuta, with some evidence for contemporary geographic barriers between western and eastern populations. Mito-nuclear discordance was found suggesting historical isolation with secondary contact between the two mitochondrial clades. Trematode species richness was found to differ significantly between native and invasive populations, in concordance with the 'Enemy-Release hypothesis'. Further, our data suggests a positive relationship between nucleotide diversity of invasive populations and trematode prevalence and richness. CONCLUSIONS This study includes a wider geographic sampling of P. acuta within its native range that provides insight into phylogeographic and population genetic structure, range-wide genetic diversity and estimation of the invasion history. Meta-analysis of P. acuta - trematode surveys globally is consistent with the 'Enemy-Release hypothesis'. Additionally, results from this study suggest that host demographic parameters, namely genetic diversity as a proxy for population size, may play an essential role in how parasite communities assemble within invasive host populations. This knowledge can be used to begin to construct a framework to model host-parasite invasion dynamics over time.
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Affiliation(s)
- Erika T. Ebbs
- Department of Biology, Museum of Southwestern Biology Parasite Division, Center for Evolutionary and Theoretical Immunology, University of New Mexico, 167 Castetter MSCO3 2020, Albuquerque, NM 87131 USA
| | - Eric S. Loker
- Department of Biology, Museum of Southwestern Biology Parasite Division, Center for Evolutionary and Theoretical Immunology, University of New Mexico, 167 Castetter MSCO3 2020, Albuquerque, NM 87131 USA
| | - Sara V. Brant
- Department of Biology, Museum of Southwestern Biology Parasite Division, Center for Evolutionary and Theoretical Immunology, University of New Mexico, 167 Castetter MSCO3 2020, Albuquerque, NM 87131 USA
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94
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Zemanova MA, Broennimann O, Guisan A, Knop E, Heckel G. Slimy invasion: Climatic niche and current and future biogeography of Arion
slug invaders. DIVERS DISTRIB 2018. [DOI: 10.1111/ddi.12789] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Miriam A. Zemanova
- Computational and Molecular Population Genetics Group; Institute of Ecology and Evolution; University of Bern; Bern Switzerland
- Community Ecology Group; Institute of Ecology and Evolution; University of Bern; Bern Switzerland
| | - Olivier Broennimann
- Department of Ecology and Evolution; University of Lausanne; Lausanne Switzerland
- Institute of Earth Surface Dynamics; University of Lausanne; Lausanne Switzerland
| | - Antoine Guisan
- Department of Ecology and Evolution; University of Lausanne; Lausanne Switzerland
- Institute of Earth Surface Dynamics; University of Lausanne; Lausanne Switzerland
| | - Eva Knop
- Community Ecology Group; Institute of Ecology and Evolution; University of Bern; Bern Switzerland
| | - Gerald Heckel
- Computational and Molecular Population Genetics Group; Institute of Ecology and Evolution; University of Bern; Bern Switzerland
- Swiss Institute of Bioinformatics; Lausanne Switzerland
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95
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Paiva F, Barco A, Chen Y, Mirzajani A, Chan FT, Lauringson V, Baltazar-Soares M, Zhan A, Bailey SA, Javidpour J, Briski E. Is salinity an obstacle for biological invasions? GLOBAL CHANGE BIOLOGY 2018; 24:2708-2720. [PMID: 29330969 DOI: 10.1111/gcb.14049] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 12/22/2017] [Indexed: 06/07/2023]
Abstract
Invasions of freshwater habitats by marine and brackish species have become more frequent in recent years with many of those species originating from the Ponto-Caspian region. Populations of Ponto-Caspian species have successfully established in the North and Baltic Seas and their adjoining rivers, as well as in the Great Lakes-St. Lawrence River region. To determine if Ponto-Caspian taxa more readily acclimatize to and colonize diverse salinity habitats than taxa from other regions, we conducted laboratory experiments on 22 populations of eight gammarid species native to the Ponto-Caspian, Northern European and Great Lakes-St. Lawrence River regions. In addition, we conducted a literature search to survey salinity ranges of these species worldwide. Finally, to explore evolutionary relationships among examined species and their populations, we sequenced the mitochondrial cytochrome c oxidase subunit I gene (COI) from individuals used for our experiments. Our study revealed that all tested populations tolerate wide ranges of salinity, however, different patterns arose among species from different regions. Ponto-Caspian taxa showed lower mortality in fresh water, while Northern European taxa showed lower mortality in fully marine conditions. Genetic analyses showed evolutionary divergence among species from different regions. Due to the geological history of the two regions, as well as high tolerance of Ponto-Caspian species to fresh water, whereas Northern European species are more tolerant of fully marine conditions, we suggest that species originating from the Ponto-Caspian and Northern European regions may be adapted to freshwater and marine environments, respectively. Consequently, the perception that Ponto-Caspian species are more successful colonizers might be biased by the fact that areas with highest introduction frequency of NIS (i.e., shipping ports) are environmentally variable habitats which often include freshwater conditions that cannot be tolerated by euryhaline taxa of marine origin.
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Affiliation(s)
- Filipa Paiva
- GEOMAR, Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel, Germany
- MARE - Marine and Environmental Sciences Centre, Quinta do Lorde Marina, Caniçal, Portugal
| | - Andrea Barco
- GEOMAR, Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel, Germany
| | - Yiyong Chen
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Alireza Mirzajani
- Inland Water Aquaculture Research Center, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Bandar Anzali, Iran
| | - Farrah T Chan
- Great Lakes Laboratory for Fisheries and Aquatic Sciences, Fisheries and Oceans Canada, Burlington, ON, Canada
| | | | - Miguel Baltazar-Soares
- GEOMAR, Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel, Germany
- Faculty of Science and Technology, Bournemouth University, Dorset, UK
| | - Aibin Zhan
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Sarah A Bailey
- Great Lakes Laboratory for Fisheries and Aquatic Sciences, Fisheries and Oceans Canada, Burlington, ON, Canada
| | | | - Elizabeta Briski
- GEOMAR, Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel, Germany
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96
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Amzati GS, Pelle R, Muhigwa JBB, Kanduma EG, Djikeng A, Madder M, Kirschvink N, Marcotty T. Mitochondrial phylogeography and population structure of the cattle tick Rhipicephalus appendiculatus in the African Great Lakes region. Parasit Vectors 2018; 11:329. [PMID: 29855375 PMCID: PMC5984310 DOI: 10.1186/s13071-018-2904-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 05/16/2018] [Indexed: 12/02/2022] Open
Abstract
Background The ixodid tick Rhipicephalus appendiculatus is the main vector of Theileria parva, wich causes the highly fatal cattle disease East Coast fever (ECF) in sub-Saharan Africa. Rhipicephalus appendiculatus populations differ in their ecology, diapause behaviour and vector competence. Thus, their expansion in new areas may change the genetic structure and consequently affect the vector-pathogen system and disease outcomes. In this study we investigated the genetic distribution of R. appendiculatus across agro-ecological zones (AEZs) in the African Great Lakes region to better understand the epidemiology of ECF and elucidate R. appendiculatus evolutionary history and biogeographical colonization in Africa. Methods Sequencing was performed on two mitochondrial genes (cox1 and 12S rRNA) of 218 ticks collected from cattle across six AEZs along an altitudinal gradient in the Democratic Republic of Congo, Rwanda, Burundi and Tanzania. Phylogenetic relationships between tick populations were determined and evolutionary population dynamics models were assessed by mismach distribution. Results Population genetic analysis yielded 22 cox1 and 9 12S haplotypes in a total of 209 and 126 nucleotide sequences, respectively. Phylogenetic algorithms grouped these haplotypes for both genes into two major clades (lineages A and B). We observed significant genetic variation segregating the two lineages and low structure among populations with high degree of migration. The observed high gene flow indicates population admixture between AEZs. However, reduced number of migrants was observed between lowlands and highlands. Mismatch analysis detected a signature of rapid demographic and range expansion of lineage A. The star-like pattern of isolated and published haplotypes indicates that the two lineages evolve independently and have been subjected to expansion across Africa. Conclusions Two sympatric R. appendiculatus lineages occur in the Great Lakes region. Lineage A, the most diverse and ubiquitous, has experienced rapid population growth and range expansion in all AEZs probably through cattle movement, whereas lineage B, the less abundant, has probably established a founder population from recent colonization events and its occurrence decreases with altitude. These two lineages are sympatric in central and eastern Africa and allopatric in southern Africa. The observed colonization pattern may strongly affect the transmission system and may explain ECF endemic instability in the tick distribution fringes. Electronic supplementary material The online version of this article (10.1186/s13071-018-2904-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Gaston S Amzati
- Unit of Integrated Veterinary Research, Department of Veterinary Medicine, Faculty of Sciences, Namur Research Institute for Life Sciences (NARILIS), University of Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium. .,Research Unit of Veterinary Epidemiology and Biostatistics, Faculty of Agricultural and Environmental Sciences, Université Evangélique en Afrique, P.O. Box 3323, Bukavu, Democratic Republic of the Congo. .,Biosciences eastern and central Africa - International Livestock Research Institute (BecA-ILRI) hub, P.O. Box 30709-00100, Nairobi, Kenya.
| | - Roger Pelle
- Biosciences eastern and central Africa - International Livestock Research Institute (BecA-ILRI) hub, P.O. Box 30709-00100, Nairobi, Kenya
| | - Jean-Berckmans B Muhigwa
- Research Unit of Veterinary Epidemiology and Biostatistics, Faculty of Agricultural and Environmental Sciences, Université Evangélique en Afrique, P.O. Box 3323, Bukavu, Democratic Republic of the Congo
| | - Esther G Kanduma
- Department of Biochemistry, School of Medicine, University of Nairobi, P.O. Box 30197-00100, Nairobi, Kenya
| | - Appolinaire Djikeng
- Biosciences eastern and central Africa - International Livestock Research Institute (BecA-ILRI) hub, P.O. Box 30709-00100, Nairobi, Kenya.,Present address: Centre for Tropical Livestock Genetics and Health (CTLGH), The University of Edinburgh, Easter Bush, Midlothian, Scotland, EH25 9RG, UK
| | - Maxime Madder
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, P/Bag X04, Onderstepoort, 0110, South Africa
| | - Nathalie Kirschvink
- Unit of Integrated Veterinary Research, Department of Veterinary Medicine, Faculty of Sciences, Namur Research Institute for Life Sciences (NARILIS), University of Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium
| | - Tanguy Marcotty
- Unit of Integrated Veterinary Research, Department of Veterinary Medicine, Faculty of Sciences, Namur Research Institute for Life Sciences (NARILIS), University of Namur (UNamur), Rue de Bruxelles 61, 5000, Namur, Belgium
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97
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Successful worldwide invasion of the veined rapa whelk, Rapana venosa, despite a dramatic genetic bottleneck. Biol Invasions 2018. [DOI: 10.1007/s10530-018-1774-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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98
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Hasselman DJ, Bentzen P, Narum SR, Quinn TP. Formation of population genetic structure following the introduction and establishment of non-native American shad (Alosa sapidissima) along the Pacific Coast of North America. Biol Invasions 2018. [DOI: 10.1007/s10530-018-1763-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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99
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Bourne SD, Hudson J, Holman LE, Rius M. Marine Invasion Genomics: Revealing Ecological and Evolutionary Consequences of Biological Invasions. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/13836_2018_21] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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100
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Leo SST, Gonzalez A, Millien V. The Genetic Signature of Range Expansion in a Disease Vector-The Black-Legged Tick. J Hered 2018; 108:176-183. [PMID: 28173203 DOI: 10.1093/jhered/esw073] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 10/06/2016] [Indexed: 12/23/2022] Open
Abstract
Monitoring and predicting the spread of emerging infectious diseases requires that we understand the mechanisms of range expansion by its vectors. Here, we examined spatial and temporal variation of genetic structure among 13 populations of the Lyme disease vector, the black-legged tick, in southern Quebec, where this tick species is currently expanding and Lyme disease is emerging. Our objective was to identify the primary mode of tick movement into Canada based on observed spatial and temporal genetic patterns. Upon genotyping 10 microsatellite loci from 613 tick specimens, we found multiple genetic signatures of frequent long-distance dispersal events, supporting the hypothesis that migratory birds are the primary carriers of black-legged ticks into southern Quebec. When we compared results from analyses of pairwise differences among ticks collected from 8 different sites at different years between 2011 and 2014, we found that genetic variation observed among tick individuals appeared to be better explained by collection year than sampling locality. This suggests that while cohorts of black-legged ticks can rapidly invade large areas across southern Quebec, they also appear to be undergoing frequent turnover. Finally, the amount of genetic variation in tick populations across our study area appeared to be related to their degree of establishment, with established populations displaying a lower amount of temporal genetic variation than adventitious ones. Given that Lyme disease infection risk in a region can be influenced by the relative presence of established and/or adventitious tick populations, our results are useful for understanding both the seasonality and spatial variation of Lyme disease.
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Affiliation(s)
- Sarah S T Leo
- Department of Biology, McGill University, Montreal, Quebec, Canada.,Redpath Museum, McGill University, Montreal, Quebec, Canada
| | - Andrew Gonzalez
- Department of Biology, McGill University, Montreal, Quebec, Canada
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