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Hrabovský M, Kubalová S, Mičieta K, Ščevková J. Environmental impacts on intraspecific variation in Ambrosia artemisiifolia genome size in Slovakia, Central Europe. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:33960-33974. [PMID: 38693457 PMCID: PMC11136817 DOI: 10.1007/s11356-024-33410-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 04/16/2024] [Indexed: 05/03/2024]
Abstract
The quantity of DNA in angiosperms exhibits variation attributed to many external influences, such as environmental factors, geographical features, or stress factors, which exert constant selection pressure on organisms. Since invasive species possess adaptive capabilities to acclimate to novel environmental conditions, ragweed (Ambrosia artemisiifolia L.) was chosen as a subject for investigating their influence on genome size variation. Slovakia has diverse climatic conditions, suitable for testing the hypothesis that air temperature and precipitation, the main limiting factors of ragweed occurrence, would also have an impact on its genome size. Our results using flow cytometry confirmed this hypothesis and also found a significant association with geographical features such as latitude, altitude, and longitude. We can conclude that plants growing in colder environments farther from oceanic influences exhibit smaller DNA amounts, while optimal growth conditions result in a greater variability in genome size, reflecting the diminished effect of selection pressure.
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Affiliation(s)
- Michal Hrabovský
- Department of Botany, Faculty of Natural Sciences, Comenius University, Révová 39, 811 02, Bratislava, Slovakia.
| | - Silvia Kubalová
- Department of Botany, Faculty of Natural Sciences, Comenius University, Révová 39, 811 02, Bratislava, Slovakia
| | - Karol Mičieta
- Department of Botany, Faculty of Natural Sciences, Comenius University, Révová 39, 811 02, Bratislava, Slovakia
| | - Jana Ščevková
- Department of Botany, Faculty of Natural Sciences, Comenius University, Révová 39, 811 02, Bratislava, Slovakia
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Genetic structuring and invasion status of the perennial Ambrosia psilostachya (Asteraceae) in Europe. Sci Rep 2023; 13:3736. [PMID: 36878947 PMCID: PMC9988885 DOI: 10.1038/s41598-023-30377-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 02/21/2023] [Indexed: 03/08/2023] Open
Abstract
The perennial western ragweed (Ambrosia psilostachya DC.) arrived from North America to Europe in the late nineteenth century and behaves invasive in its non-native range. Due to its efficient vegetative propagation via root suckers, A. psilostachya got naturalized in major parts of Europe forming extensive populations in Mediterranean coastal areas. The invasion history, the spreading process, the relationships among the populations as well as population structuring is not yet explored. This paper aims to give first insights into the population genetics of A. psilostachya in its non-native European range based on 60 sampled populations and 15 Simple Sequence Repeats (SSR). By AMOVA analysis we detected 10.4% of genetic variation occurring among (pre-defined) regions. These regions represent important harbors for trading goods from America to Europe that might have served as source for founder populations. Bayesian Clustering revealed that spatial distribution of genetic variation of populations is best explained by six groups, mainly corresponding to regions around important harbors. As northern populations show high degrees of clonality and lowest levels of within-population genetic diversity (mean Ho = 0.40 ± 0.09), they could preserve the initial genetic variation levels by long-lived clonal genets. In Mediterranean populations A. psilostachya expanded to millions of shoots. Some of those were obviously spread by sea current along the coast to new sites, where they initiated populations characterized by a lower genetic diversity. For the future, the invasion history in Europe might get clearer after consideration of North American source populations of western ragweed.
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Bieker VC, Battlay P, Petersen B, Sun X, Wilson J, Brealey JC, Bretagnolle F, Nurkowski K, Lee C, Barreiro FS, Owens GL, Lee JY, Kellner FL, van Boheeman L, Gopalakrishnan S, Gaudeul M, Mueller-Schaerer H, Lommen S, Karrer G, Chauvel B, Sun Y, Kostantinovic B, Dalén L, Poczai P, Rieseberg LH, Gilbert MTP, Hodgins KA, Martin MD. Uncovering the genomic basis of an extraordinary plant invasion. SCIENCE ADVANCES 2022; 8:eabo5115. [PMID: 36001672 PMCID: PMC9401624 DOI: 10.1126/sciadv.abo5115] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 07/11/2022] [Indexed: 05/31/2023]
Abstract
Invasive species are a key driver of the global biodiversity crisis, but the drivers of invasiveness, including the role of pathogens, remain debated. We investigated the genomic basis of invasiveness in Ambrosia artemisiifolia (common ragweed), introduced to Europe in the late 19th century, by resequencing 655 ragweed genomes, including 308 herbarium specimens collected up to 190 years ago. In invasive European populations, we found selection signatures in defense genes and lower prevalence of disease-inducing plant pathogens. Together with temporal changes in population structure associated with introgression from closely related Ambrosia species, escape from specific microbial enemies likely favored the plant's remarkable success as an invasive species.
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Affiliation(s)
- Vanessa C. Bieker
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Paul Battlay
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Bent Petersen
- Center for Evolutionary Hologenomics, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark
- Centre of Excellence for Omics-Driven Computational Biodiscovery (COMBio), AIMST University, 08100 Kedah, Malaysia
| | - Xin Sun
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Jonathan Wilson
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Jaelle C. Brealey
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - François Bretagnolle
- UMR CNRS/uB 6282 Biogéosciences, Université de Bourgogne-Franche-Comté, Dijon, France
| | - Kristin Nurkowski
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Chris Lee
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Fátima Sánchez Barreiro
- Center for Evolutionary Hologenomics, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark
| | | | - Jacqueline Y. Lee
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Fabian L. Kellner
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | | | - Shyam Gopalakrishnan
- Center for Evolutionary Hologenomics, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark
| | - Myriam Gaudeul
- Institut de Systématique Evolution Biodiversité (ISYEB), Muséum National d’Histoire Naturelle, CNRS, SU, EPHE, UA, National Herbarium (P), 57 rue Cuvier, CP39, 75005 Paris, France
| | | | - Suzanne Lommen
- Department of Biology, University of Fribourg, Fribourg, Switzerland
- Institute of Biology, Section Plant Ecology and Phytochemistry, Leiden University, P.O. Box 9505, 2300 RA Leiden, Netherlands
- Koppert Biological Systems, Department R&D Macrobiology, Veilingweg 14, 2651 BE Berkel en Rodenrijs, Netherlands
| | - Gerhard Karrer
- Department of Integrative Biology and Biodiversity Research, University of Natural Resources and Life Sciences Vienna, Vienna, Austria
| | - Bruno Chauvel
- UMR Agroécologie, Institut Agro, INRAE, Univ. Bourgogne, Univ. Bourgogne-Franche-Comté, F-21000 Dijon, France
| | - Yan Sun
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, China
| | - Bojan Kostantinovic
- Department of Environmental and Plant Protection, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia
| | - Love Dalén
- Centre for Palaeogenetics, Stockholm, Sweden
- Department of Bioinformatics and Genetics, Swedish Museum of Natural History, Stockholm, Sweden
| | - Péter Poczai
- Botany Unit, Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland
- Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
- Institute of Advanced Studies Kőszeg (iASK), Kőszeg, Hungary
| | - Loren H. Rieseberg
- Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, Canada
| | - M. Thomas P. Gilbert
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Center for Evolutionary Hologenomics, GLOBE Institute, University of Copenhagen, Copenhagen, Denmark
| | | | - Michael D. Martin
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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Ruan X, Wang Z, Su Y, Wang T. Population Genomics Reveals Gene Flow and Adaptive Signature in Invasive Weed Mikania micrantha. Genes (Basel) 2021; 12:1279. [PMID: 34440453 PMCID: PMC8394975 DOI: 10.3390/genes12081279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/15/2021] [Accepted: 08/18/2021] [Indexed: 11/28/2022] Open
Abstract
A long-standing and unresolved issue in invasion biology concerns the rapid adaptation of invaders to nonindigenous environments. Mikania micrantha is a notorious invasive weed that causes substantial economic losses and negative ecological consequences in southern China. However, the contributions of gene flow, environmental variables, and functional genes, all generally recognized as important factors driving invasive success, to its successful invasion of southern China are not fully understood. Here, we utilized a genotyping-by-sequencing approach to sequence 306 M. micrantha individuals from 21 invasive populations. Based on the obtained genome-wide single nucleotide polymorphism (SNP) data, we observed that all the populations possessed similar high levels of genetic diversity that were not constrained by longitude and latitude. Mikania micrantha was introduced multiple times and subsequently experienced rapid-range expansion with recurrent high gene flow. Using FST outliers, a latent factor mixed model, and the Bayesian method, we identified 38 outlier SNPs associated with environmental variables. The analysis of these outlier SNPs revealed that soil composition, temperature, precipitation, and ecological variables were important determinants affecting the invasive adaptation of M. micrantha. Candidate genes with outlier signatures were related to abiotic stress response. Gene family clustering analysis revealed 683 gene families unique to M. micrantha which may have significant implications for the growth, metabolism, and defense responses of M. micrantha. Forty-one genes showing significant positive selection signatures were identified. These genes mainly function in binding, DNA replication and repair, signature transduction, transcription, and cellular components. Collectively, these findings highlight the contribution of gene flow to the invasion and spread of M. micrantha and indicate the roles of adaptive loci and functional genes in invasive adaptation.
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Affiliation(s)
- Xiaoxian Ruan
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; (X.R.); (Z.W.)
| | - Zhen Wang
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; (X.R.); (Z.W.)
| | - Yingjuan Su
- School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; (X.R.); (Z.W.)
- Research Institute of Sun Yat-sen University in Shenzhen, Shenzhen 518057, China
| | - Ting Wang
- College of Life Sciences, South China Agricultural University, Guangzhou 510641, China
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Guo W, Banerjee AK, Wu H, Ng WL, Feng H, Qiao S, Liu Y, Huang Y. Contrasting Phylogeographic Patterns in Lumnitzera Mangroves Across the Indo-West Pacific. FRONTIERS IN PLANT SCIENCE 2021; 12:637009. [PMID: 34249031 PMCID: PMC8261646 DOI: 10.3389/fpls.2021.637009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 04/27/2021] [Indexed: 06/13/2023]
Abstract
Mangroves are ecologically important forest communities in tropical and subtropical coasts, the effective management of which requires understanding of their phylogeographic patterns. However, these patterns often vary among different species, even among ecologically similar taxa or congeneric species. Here, we investigated the levels and patterns of genetic variation within Lumnitzera consisting of two species (L. racemosa and L. littorea) with nearly sympatric ranges across the Indo-West Pacific (IWP) region by sequencing three chloroplast DNA regions (for both species) and genotyping 11 nuclear microsatellite loci (for L. littorea). Consistent with findings in studies on other mangrove species, we found that both L. racemosa and L. littorea showed relatively high genetic variation among populations but low genetic variation within populations. Haplotype network and genetic clustering analyses indicated two well-differentiated clades in both L. racemosa and L. littorea. The relationship between geographic and genetic distances and divergence time estimates of the haplotypes indicated that limited dispersal ability of the propagules, emergence of land barriers during ancient sea-level changes, and contemporary oceanic circulation pattern in the IWP influenced the current population structure of the two species. However, the position of genetic break was found to vary between the two species: in L. racemosa, strong divergence was observed between populations from the Indian Ocean and the Pacific Ocean possibly due to land barrier effect of the Malay Peninsula; in L. littorea, the phylogeographic pattern was created by a more eastward genetic break along the biogeographic barrier identified as the Huxley's line. Overall, our findings strongly supported previous hypothesis of mangrove species divergence and revealed that the two Lumnitzera species have different phylogeographic patterns despite their close genetic relationship and similar current geographic distribution. The findings also provided references for the management of Lumnitzera mangroves, especially for the threatened L. littorea.
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Affiliation(s)
- Wuxia Guo
- Department of Bioengineering, Zhuhai Campus of Zunyi Medical University, Zhuhai, China
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Achyut Kumar Banerjee
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Haidan Wu
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Wei Lun Ng
- China-ASEAN College of Marine Sciences, Xiamen University Malaysia, Sepang, Malaysia
| | - Hui Feng
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Sitan Qiao
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Ying Liu
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Yelin Huang
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
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McGoey BV, Hodgins KA, Stinchcombe JR. Parallel flowering time clines in native and introduced ragweed populations are likely due to adaptation. Ecol Evol 2020; 10:4595-4608. [PMID: 32551046 PMCID: PMC7297792 DOI: 10.1002/ece3.6163] [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: 09/18/2019] [Revised: 12/04/2019] [Accepted: 12/06/2019] [Indexed: 01/06/2023] Open
Abstract
As introduced species expand their ranges, they often encounter differences in climate which are often correlated with geography. For introduced species, encountering a geographically variable climate sometimes leads to the re-establishment of clines seen in the native range. However, clines can also be caused by neutral processes, and so it is important to gather additional evidence that population differentiation is the result of selection as opposed to nonadaptive processes. Here, we examine phenotypic and genetic differences in ragweed from the native (North America) and introduced (European) ranges. We used a common garden to assess phenotypic differentiation in size and flowering time in ragweed populations. We found significant parallel clines in flowering time in both North America and Europe. Height and branch number had significant clines in North America, and, while not statistically significant, the patterns in Europe were the same. We used SNP data to assess population structure in both ranges and to compare phenotypic differentiation to neutral genetic variation. We failed to detect significant patterns of isolation by distance, geographic patterns in population structure, or correlations between the major axes of SNP variation and phenotypes or latitude of origin. We conclude that the North American clines in size and the parallel clines seen for flowering time are most likely the result of adaptation.
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Affiliation(s)
- Brechann V. McGoey
- Department of Ecology and Evolutionary BiologyUniversity of TorontoTorontoONCanada
| | | | - John R. Stinchcombe
- Department of Ecology and Evolutionary BiologyUniversity of TorontoTorontoONCanada
- Koffler Scientific ReserveUniversity of TorontoTorontoONCanada
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7
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Banerjee AK, Hou Z, Lin Y, Lan W, Tan F, Xing F, Li G, Guo W, Huang Y. Going with the flow: analysis of population structure reveals high gene flow shaping invasion pattern and inducing range expansion of Mikania micrantha in Asia. ANNALS OF BOTANY 2020; 125:1113-1126. [PMID: 32173740 PMCID: PMC7262463 DOI: 10.1093/aob/mcaa044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 03/12/2020] [Indexed: 05/08/2023]
Abstract
BACKGROUND AND AIMS Mikania micrantha, a climbing perennial weed of the family Asteraceae, is native to Latin America and is highly invasive in the tropical belt of Asia, Oceania and Australia. This study was framed to investigate the population structure of M. micrantha at a large spatial scale in Asia and to identify how introduction history, evolutionary forces and landscape features influenced the genetic pattern of the species in this region. METHODS We assessed the genetic diversity and structure of 1052 individuals from 46 populations for 12 microsatellite loci. The spatial pattern of genetic variation was investigated by estimating the relationship between genetic distance and geographical, climatic and landscape resistances hypothesized to influence gene flow between populations. KEY RESULTS We found high genetic diversity of M. micrantha in this region, as compared with the genetic diversity parameters of other invasive species. Spatial and non-spatial clustering algorithms identified the presence of multiple genetic clusters and admixture between populations. Most of the populations showed heterozygote deficiency, primarily due to inbreeding, and the founder populations showed evidence of a genetic bottleneck. Persistent gene flow throughout the invasive range caused low genetic differentiation among populations and provided beneficial genetic variation to the marginal populations in a heterogeneous environment. Environmental suitability was found to buffer the detrimental effects of inbreeding at the leading edge of range expansion. Both linear and non-linear regression models demonstrated a weak relationship between genetic distance and geographical distance, as well as bioclimatic variables and environmental resistance surfaces. CONCLUSIONS These findings provide evidence that extensive gene flow and admixture between populations have influenced the current genetic pattern of M. micrantha in this region. High gene flow across the invaded landscape may facilitate adaptation, establishment and long-term persistence of the population, thereby indicating the range expansion ability of the species.
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Affiliation(s)
- Achyut Kumar Banerjee
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Zhuangwei Hou
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yuting Lin
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Wentao Lan
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Guangdong, China
| | - Fengxiao Tan
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, Guangdong, China
| | - Fen Xing
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Guanghe Li
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Wuxia Guo
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, Guangdong, China
| | - Yelin Huang
- State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
- For correspondence. E-mail
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Harris AM, DeGiorgio M. Identifying and Classifying Shared Selective Sweeps from Multilocus Data. Genetics 2020; 215:143-171. [PMID: 32152048 PMCID: PMC7198270 DOI: 10.1534/genetics.120.303137] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 02/29/2020] [Indexed: 11/18/2022] Open
Abstract
Positive selection causes beneficial alleles to rise to high frequency, resulting in a selective sweep of the diversity surrounding the selected sites. Accordingly, the signature of a selective sweep in an ancestral population may still remain in its descendants. Identifying signatures of selection in the ancestor that are shared among its descendants is important to contextualize the timing of a sweep, but few methods exist for this purpose. We introduce the statistic SS-H12, which can identify genomic regions under shared positive selection across populations and is based on the theory of the expected haplotype homozygosity statistic H12, which detects recent hard and soft sweeps from the presence of high-frequency haplotypes. SS-H12 is distinct from comparable statistics because it requires a minimum of only two populations, and properly identifies and differentiates between independent convergent sweeps and true ancestral sweeps, with high power and robustness to a variety of demographic models. Furthermore, we can apply SS-H12 in conjunction with the ratio of statistics we term [Formula: see text] and [Formula: see text] to further classify identified shared sweeps as hard or soft. Finally, we identified both previously reported and novel shared sweep candidates from human whole-genome sequences. Previously reported candidates include the well-characterized ancestral sweeps at LCT and SLC24A5 in Indo-Europeans, as well as GPHN worldwide. Novel candidates include an ancestral sweep at RGS18 in sub-Saharan Africans involved in regulating the platelet response and implicated in sudden cardiac death, and a convergent sweep at C2CD5 between European and East Asian populations that may explain their different insulin responses.
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Affiliation(s)
- Alexandre M Harris
- Department of Biology, Pennsylvania State University, University Park, Pennsylvania 16802
- Molecular, Cellular, and Integrative Biosciences at the Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, Pennsylvania 16802
| | - Michael DeGiorgio
- Department of Computer and Electrical Engineering and Computer Science, Florida Atlantic University, Boca Raton, Florida 33431
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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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van Boheemen LA, Bou‐Assi S, Uesugi A, Hodgins KA. Rapid growth and defence evolution following multiple introductions. Ecol Evol 2019; 9:7942-7956. [PMID: 31380062 PMCID: PMC6662289 DOI: 10.1002/ece3.5275] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/23/2019] [Accepted: 05/04/2019] [Indexed: 01/02/2023] Open
Abstract
Rapid adaptation can aid invasive populations in their competitive success. Resource allocation trade-off hypotheses predict higher resource availability or the lack of natural enemies in introduced ranges allow for increased growth and reproduction, thus contributing to invasive success. Evidence for such hypotheses is however equivocal and tests among multiple ranges over productivity gradients are required to provide a better understanding of the general applicability of these theories.Using common gardens, we investigated the adaptive divergence of various constitutive and inducible defence-related traits between the native North American and introduced European and Australian ranges, while controlling for divergence due to latitudinal trait clines, individual resource budgets, and population differentiation, using >11,000 SNPs.Rapid, repeated clinal adaptation in defence-related traits was apparent despite distinct demographic histories. We also identified divergence among ranges in some defence-related traits, although differences in energy budgets among ranges may explain some, but not all, defence-related trait divergence. We do not identify a general reduction in defence in concert with an increase in growth among the multiple introduced ranges as predicted trade-off hypotheses. Synthesis: The rapid spread of invasive species is affected by a multitude of factors, likely including adaptation to climate and escape from natural enemies. Unravelling the mechanisms underlying invasives' success enhances understanding of eco-evolutionary theory and is essential to inform management strategies in the face of ongoing climate change. OPEN RESEARCH BADGES This article has been awarded Open Materials, Open Data, Preregistered Research Designs Badges. All materials and data are publicly accessible via the Open Science Framework at https://doi.org/10.6084/m9.figshare.8028875.v1, https://github.com/lotteanna/defence_adaptation,https://doi.org/10.1101/435271.
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Affiliation(s)
| | - Sarah Bou‐Assi
- School of Biological SciencesMonash UniversityClaytonVictoriaAustralia
| | - Akane Uesugi
- School of Biological SciencesMonash UniversityClaytonVictoriaAustralia
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11
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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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12
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Li F, van Kleunen M, Li J, Liu X, Gao K, Zhu J, Zhao X, Zhao C, Li J. Patterns of genetic variation reflect multiple introductions and pre-admixture sources of common ragweed (Ambrosia artemisiifolia) in China. Biol Invasions 2019. [DOI: 10.1007/s10530-019-01966-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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13
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Sablok G, Amiryousefi A, He X, Hyvönen J, Poczai P. Sequencing the Plastid Genome of Giant Ragweed ( Ambrosia trifida, Asteraceae) From a Herbarium Specimen. FRONTIERS IN PLANT SCIENCE 2019; 10:218. [PMID: 30873197 PMCID: PMC6403193 DOI: 10.3389/fpls.2019.00218] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 02/08/2019] [Indexed: 05/09/2023]
Abstract
We report the first plastome sequence of giant ragweed (Ambrosia trifida); with this new genome information, we assessed the phylogeny of Asteraceae and the transcriptional profiling against glyphosate resistance in giant ragweed. Assembly and genic features show a normal angiosperm quadripartite plastome structure with no signatures of deviation in gene directionality. Comparative analysis revealed large inversions across the plastome of giant ragweed and the previously sequenced members of the plant family. Asteraceae plastid genomes contain two inversions of 22.8 and 3.3 kb; the former is located between trnS-GCU and trnG-UCC genes, and the latter between trnE-UUC and trnT-GGU genes. The plastid genome sequences of A. trifida and the related species, Ambrosia artemisiifolia, are identical in gene content and arrangement, but they differ in length. The phylogeny is well-resolved and congruent with previous hypotheses about the phylogenetic relationship of Asteraceae. Transcriptomic analysis revealed divergence in the relative expressions at the exonic and intronic levels, providing hints toward the ecological adaptation of the genus. Giant ragweed shows various levels of glyphosate resistance, with introns displaying higher expression patterns at resistant time points after the assumed herbicide treatment.
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Affiliation(s)
- Gaurav Sablok
- Finnish Museum of Natural History (Botany Unit), University of Helsinki, Helsinki, Finland
- Organismal Evolution and Biology, Faculty of Biology and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, Finland
| | - Ali Amiryousefi
- Finnish Museum of Natural History (Botany Unit), University of Helsinki, Helsinki, Finland
- Organismal Evolution and Biology, Faculty of Biology and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, Finland
| | - Xiaolan He
- Finnish Museum of Natural History (Botany Unit), University of Helsinki, Helsinki, Finland
- Organismal Evolution and Biology, Faculty of Biology and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, Finland
| | - Jaakko Hyvönen
- Finnish Museum of Natural History (Botany Unit), University of Helsinki, Helsinki, Finland
- Organismal Evolution and Biology, Faculty of Biology and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, Finland
| | - Péter Poczai
- Finnish Museum of Natural History (Botany Unit), University of Helsinki, Helsinki, Finland
- Organismal Evolution and Biology, Faculty of Biology and Environmental Sciences, Viikki Plant Science Centre, University of Helsinki, Helsinki, Finland
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14
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Müller-Schärer H, Sun Y, Chauvel B, Karrer G, Kazinczi G, Kudsk P, Oude AL, Schaffner U, Skjoth C, Smith M, Vurro M, de Weger L, Lommen S. Cross-fertilizing weed science and plant invasion science to improve efficient management: A European challenge. Basic Appl Ecol 2018. [DOI: 10.1016/j.baae.2018.08.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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15
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Chadaeva VA, Shhagapsoeva KA, Tsepkova NL, Shhagapsoev SH. Monitoring of Ambrosia artemisiifolia L. Distribution in Meadow Phytocenoses of Kabardino-Balkarian Republic (Central Caucasus). RUSSIAN JOURNAL OF BIOLOGICAL INVASIONS 2018. [DOI: 10.1134/s2075111718020030] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Moran EV, Reid A, Levine JM. Population genetics and adaptation to climate along elevation gradients in invasive Solidago canadensis. PLoS One 2017; 12:e0185539. [PMID: 28957402 PMCID: PMC5619793 DOI: 10.1371/journal.pone.0185539] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 09/14/2017] [Indexed: 02/04/2023] Open
Abstract
Gene flow between populations may either support local adaptation by supplying genetic variation on which selection may act, or counteract it if maladapted alleles arrive faster than can be purged by selection. Although both such effects have been documented within plant species’ native ranges, how the balance of these forces influences local adaptation in invasive plant populations is less clear, in part because introduced species often have lower genetic variation initially but also tend to have good dispersal abilities. To evaluate the extent of gene flow and adaptation to local climate in invasive populations of Solidago canadensis, and the implications of this for range expansion, we compared population differentiation at microsatellite and chloroplast loci for populations across Switzerland and assessed the effect of environmental transfer distance using common gardens. We found that while patterns of differentiation at neutral genetic markers suggested that populations are connected through extensive pollen and seed movement, common-garden plants nonetheless exhibited modest adaptation to local climate conditions. Growth rate and flower production declined with climatic distance from a plant's home site, with clones from colder home sites performing better at or above the range limit. Such adaptation in invasive species is likely to promote further spread, particularly under climate change, as the genotypes positioned near the range edge may be best able to take advantage of lengthening growing seasons to expand the range.
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Affiliation(s)
- Emily V. Moran
- Life and Environmental Sciences, University of California Merced, Merced, CA, United States of America
- * E-mail:
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17
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van Boheemen LA, Lombaert E, Nurkowski KA, Gauffre B, Rieseberg LH, Hodgins KA. Multiple introductions, admixture and bridgehead invasion characterize the introduction history of Ambrosia artemisiifolia
in Europe and Australia. Mol Ecol 2017; 26:5421-5434. [DOI: 10.1111/mec.14293] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Accepted: 08/05/2017] [Indexed: 01/16/2023]
Affiliation(s)
| | - Eric Lombaert
- UMR 1355 ISA; INRA; Sophia-Antipolis France
- UMR ISA; Université de Nice Sophia Antipolis; Sophia-Antipolis France
- UMR 7254 ISA; CNRS; Sophia-Antipolis France
| | | | - Bertrand Gauffre
- School of Biological Sciences; Monash University; Clayton VIC Australia
- UMR 7372; Centre d'Etudes Biologiques de Chizé; CNRS - Université de La Rochelle; Villiers-en-Bois France
- USC1339; Centre d'Etudes Biologiques de Chizé; INRA; Villiers-en-Bois France
| | - Loren H. Rieseberg
- Department of Botany; University of British Columbia; Vancouver BC Canada
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18
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Meyer L, Causse R, Pernin F, Scalone R, Bailly G, Chauvel B, Délye C, Le Corre V. New gSSR and EST-SSR markers reveal high genetic diversity in the invasive plant Ambrosia artemisiifolia L. and can be transferred to other invasive Ambrosia species. PLoS One 2017; 12:e0176197. [PMID: 28489870 PMCID: PMC5425025 DOI: 10.1371/journal.pone.0176197] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 04/06/2017] [Indexed: 11/23/2022] Open
Abstract
Ambrosia artemisiifolia L., (common ragweed), is an annual invasive and highly troublesome plant species originating from North America that has become widespread across Europe. New sets of genomic and expressed sequence tag (EST) based simple sequence repeats (SSRs) markers were developed in this species using three approaches. After validation, 13 genomic SSRs and 13 EST-SSRs were retained and used to characterize the genetic diversity and population genetic structure of Ambrosia artemisiifolia populations from the native (North America) and invasive (Europe) ranges of the species. Analysing the mating system based on maternal families did not reveal any departure from complete allogamy and excess homozygosity was mostly due the presence of null alleles. High genetic diversity and patterns of genetic structure in Europe suggest two main introduction events followed by secondary colonization events. Cross-species transferability of the newly developed markers to other invasive species of the Ambrosia genus was assessed. Sixty-five percent and 75% of markers, respectively, were transferable from A. artemisiifolia to Ambrosia psilostachya and Ambrosia tenuifolia. 40% were transferable to Ambrosia trifida, this latter species being seemingly more phylogenetically distantly related to A. artemisiifolia than the former two.
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Affiliation(s)
- Lucie Meyer
- Agroécologie, AgroSup Dijon, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Romain Causse
- Agroécologie, AgroSup Dijon, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Fanny Pernin
- Agroécologie, AgroSup Dijon, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Romain Scalone
- Department of Crop Production Ecology, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Géraldine Bailly
- Sustainable Agriculture Department, BASF France SAS, Ecully, France
| | - Bruno Chauvel
- Agroécologie, AgroSup Dijon, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Christophe Délye
- Agroécologie, AgroSup Dijon, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Valérie Le Corre
- Agroécologie, AgroSup Dijon, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
- * E-mail:
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Hahn MA, Rieseberg LH. Genetic admixture and heterosis may enhance the invasiveness of common ragweed. Evol Appl 2017; 10:241-250. [PMID: 28250809 PMCID: PMC5322403 DOI: 10.1111/eva.12445] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Accepted: 10/28/2016] [Indexed: 01/16/2023] Open
Abstract
Biological invasions are often associated with multiple introductions and genetic admixture of previously isolated populations. In addition to enhanced evolutionary potential through increased genetic variation, admixed genotypes may benefit from heterosis, which could contribute to their increased performance and invasiveness. To deepen our understanding of the mechanisms and management strategies for biological invasions, we experimentally studied whether intraspecific admixture causes heterosis in common ragweed (Ambrosia artemisiifolia) by comparing the performance of crosses (F1) between populations relative to crosses within these populations for each range (native, introduced) under different ecologically relevant conditions (control, drought, competition, simulated herbivory). Performance of admixed genotypes was highly variable, ranging from strong heterotic effects to weak outbreeding depression. Moreover, heterosis was not uniformly observed among between-population crosses, but certain native population crosses showed considerable heterosis, especially under simulated herbivory. In contrast, heterosis was largely absent in crosses from the introduced range, possibly implying that these populations were already admixed and benefit little from further mixing. In conclusion, these results support the hypothesis that heterosis may contribute to biological invasions, and indicate the need to minimize new introductions of exotic species, even if they are already present in the introduced range.
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Affiliation(s)
- Min A. Hahn
- Department of Botany and Biodiversity Research CentreUniversity of British ColumbiaVancouverBCCanada
| | - Loren H. Rieseberg
- Department of Botany and Biodiversity Research CentreUniversity of British ColumbiaVancouverBCCanada
- Department of BiologyIndiana UniversityBloomingtonINUSA
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20
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Scalone R, Lemke A, Štefanić E, Kolseth AK, Rašić S, Andersson L. Phenological Variation in Ambrosia artemisiifolia L. Facilitates Near Future Establishment at Northern Latitudes. PLoS One 2016; 11:e0166510. [PMID: 27846312 PMCID: PMC5113013 DOI: 10.1371/journal.pone.0166510] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 10/31/2016] [Indexed: 12/05/2022] Open
Abstract
The invasive weed Ambrosia artemisiifolia (common ragweed) constitutes a great threat to public health and agriculture in large areas of the globe. Climate change, characterized by higher temperatures and prolonged vegetation periods, could increase the risk of establishment in northern Europe in the future. However, as the species is a short-day plant that requires long nights to induce bloom formation, it might still fail to produce mature seeds before the onset of winter in areas at northern latitudes characterized by short summer nights. To survey the genetic variation in flowering time and study the effect of latitudinal origin on this trait, a reciprocal common garden experiment, including eleven populations of A. artemisiifolia from Europe and North America, was conducted. The experiment was conducted both outside the range limit of the species, in Sweden and within its invaded range, in Croatia. Our main hypothesis was that the photoperiodic-thermal requirements of A. artemisiifolia constitute a barrier for reproduction at northern latitudes and, thus, halts the northern range shift despite expected climate change. Results revealed the presence of a north-south gradient in flowering time at both garden sites, indicating that certain European populations are pre-adapted to photoperiodic and thermal conditions at latitudes up to, at least, 60° N. This was confirmed by phenological recordings performed in a region close to the northern range limit, the north of Germany. Thus, we conclude that there exists a high risk for establishment and spread of A. artemisiifolia in FennoScandinavia in the near future. The range shift might occur independently of climate change, but would be accelerated by it.
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Affiliation(s)
- Romain Scalone
- Swedish University of Agricultural Sciences, Department of Crop Production Ecology, Uppsala, Sweden
| | - Andreas Lemke
- Technische Universität Berlin, Department of Ecology, Plant Ecology and Ecosystem Science, Berlin, Germany
| | - Edita Štefanić
- University of Josip Juraj Strossmayer, Faculty of Agriculture, Osijek, Croatia
| | - Anna-Karin Kolseth
- Swedish University of Agricultural Sciences, Department of Crop Production Ecology, Uppsala, Sweden
| | - Sanda Rašić
- University of Josip Juraj Strossmayer, Faculty of Agriculture, Osijek, Croatia
| | - Lars Andersson
- Swedish University of Agricultural Sciences, Department of Crop Production Ecology, Uppsala, Sweden
- * E-mail:
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21
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Gallien L, Thuiller W, Fort N, Boleda M, Alberto FJ, Rioux D, Lainé J, Lavergne S. Is There Any Evidence for Rapid, Genetically-Based, Climatic Niche Expansion in the Invasive Common Ragweed? PLoS One 2016; 11:e0152867. [PMID: 27116455 PMCID: PMC4846088 DOI: 10.1371/journal.pone.0152867] [Citation(s) in RCA: 16] [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: 06/30/2015] [Accepted: 03/21/2016] [Indexed: 01/19/2023] Open
Abstract
Climatic niche shifts have been documented in a number of invasive species by comparing the native and adventive climatic ranges in which they occur. However, these shifts likely represent changes in the realized climatic niches of invasive species, and may not necessarily be driven by genetic changes in climatic affinities. Until now the role of rapid niche evolution in the spread of invasive species remains a challenging issue with conflicting results. Here, we document a likely genetically-based climatic niche expansion of an annual plant invader, the common ragweed (Ambrosia artemisiifolia L.), a highly allergenic invasive species causing substantial public health issues. To do so, we looked for recent evolutionary change at the upward migration front of its adventive range in the French Alps. Based on species climatic niche models estimated at both global and regional scales we stratified our sampling design to adequately capture the species niche, and localized populations suspected of niche expansion. Using a combination of species niche modeling, landscape genetics models and common garden measurements, we then related the species genetic structure and its phenotypic architecture across the climatic niche. Our results strongly suggest that the common ragweed is rapidly adapting to local climatic conditions at its invasion front and that it currently expands its niche toward colder and formerly unsuitable climates in the French Alps (i.e. in sites where niche models would not predict its occurrence). Such results, showing that species climatic niches can evolve on very short time scales, have important implications for predictive models of biological invasions that do not account for evolutionary processes.
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Affiliation(s)
- Laure Gallien
- Laboratoire d’Écologie Alpine (LECA), Univ. Grenoble Alpes, F-38000, Grenoble, France
- Laboratoire d’Écologie Alpine (LECA), CNRS, F-38000, Grenoble, France
- * E-mail:
| | - Wilfried Thuiller
- Laboratoire d’Écologie Alpine (LECA), Univ. Grenoble Alpes, F-38000, Grenoble, France
- Laboratoire d’Écologie Alpine (LECA), CNRS, F-38000, Grenoble, France
| | - Noémie Fort
- Conservatoire Botanique National Alpin, Domaine de Charance, 05000, Gap, France
| | - Marti Boleda
- Laboratoire d’Écologie Alpine (LECA), Univ. Grenoble Alpes, F-38000, Grenoble, France
- Laboratoire d’Écologie Alpine (LECA), CNRS, F-38000, Grenoble, France
| | - Florian J. Alberto
- Laboratoire d’Écologie Alpine (LECA), Univ. Grenoble Alpes, F-38000, Grenoble, France
- Laboratoire d’Écologie Alpine (LECA), CNRS, F-38000, Grenoble, France
| | - Delphine Rioux
- Laboratoire d’Écologie Alpine (LECA), Univ. Grenoble Alpes, F-38000, Grenoble, France
- Laboratoire d’Écologie Alpine (LECA), CNRS, F-38000, Grenoble, France
| | - Juliette Lainé
- Laboratoire d’Écologie Alpine (LECA), Univ. Grenoble Alpes, F-38000, Grenoble, France
- Laboratoire d’Écologie Alpine (LECA), CNRS, F-38000, Grenoble, France
| | - Sébastien Lavergne
- Laboratoire d’Écologie Alpine (LECA), Univ. Grenoble Alpes, F-38000, Grenoble, France
- Laboratoire d’Écologie Alpine (LECA), CNRS, F-38000, Grenoble, France
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22
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The invasion of Senecio pterophorus across continents: multiple, independent introductions, admixture and hybridization. Biol Invasions 2016. [DOI: 10.1007/s10530-016-1150-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Schrieber K, Lachmuth S. The Genetic Paradox of Invasions revisited: the potential role of inbreeding × environment interactions in invasion success. Biol Rev Camb Philos Soc 2016; 92:939-952. [DOI: 10.1111/brv.12263] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 02/12/2016] [Accepted: 02/18/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Karin Schrieber
- Geobotany and Botanical Garden, Institute of Biology; Martin Luther University of Halle; 06108 Halle (Saale) Germany
| | - Susanne Lachmuth
- Geobotany and Botanical Garden, Institute of Biology; Martin Luther University of Halle; 06108 Halle (Saale) Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig; 04103 Leipzig Germany
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24
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Effects of seed traits variation on seedling performance of the invasive weed, Ambrosia artemisiifolia L. ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY 2016. [DOI: 10.1016/j.actao.2016.01.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Barriball K, McNutt EJ, Gorchov DL, Rocha OJ. Inferring invasion patterns of Lonicera maackii (Rupr) Herder (Caprifoliaceae) from the genetic structure of 41 naturalized populations in a recently invaded area. Biol Invasions 2015. [DOI: 10.1007/s10530-015-0882-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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26
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27
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Invasion of Brassica nigra in North America: distributions and origins of chloroplast DNA haplotypes suggest multiple introductions. Biol Invasions 2015. [DOI: 10.1007/s10530-015-0888-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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28
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Hodgins KA, Bock DG, Hahn MA, Heredia SM, Turner KG, Rieseberg LH. Comparative genomics in the Asteraceae reveals little evidence for parallel evolutionary change in invasive taxa. Mol Ecol 2015; 24:2226-40. [PMID: 25439241 DOI: 10.1111/mec.13026] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 11/23/2014] [Accepted: 11/26/2014] [Indexed: 01/12/2023]
Abstract
Asteraceae, the largest family of flowering plants, has given rise to many notorious invasive species. Using publicly available transcriptome assemblies from 35 Asteraceae, including six major invasive species, we examined evidence for micro- and macro-evolutionary genomic changes associated with invasion. To detect episodes of positive selection repeated across multiple introductions, we conducted comparisons between native and introduced genotypes from six focal species and identified genes with elevated rates of amino acid change (dN/dS). We then looked for evidence of positive selection at a broader phylogenetic scale across all taxa. As invasive species may experience founder events during colonization and spread, we also looked for evidence of increased genetic load in introduced genotypes. We rarely found evidence for parallel changes in orthologous genes in the intraspecific comparisons, but in some cases we identified changes in members of the same gene family. Using among-species comparisons, we detected positive selection in 0.003-0.69% and 2.4-7.8% of the genes using site and stochastic branch-site models, respectively. These genes had diverse putative functions, including defence response, stress response and herbicide resistance, although there was no clear pattern in the GO terms. There was no indication that introduced genotypes have a higher proportion of deleterious alleles than native genotypes in the six focal species, suggesting multiple introductions and admixture mitigated the impact of drift. Our findings provide little evidence for common genomic responses in invasive taxa of the Asteraceae and hence suggest that multiple evolutionary pathways may lead to adaptation during introduction and spread in these species.
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Affiliation(s)
- Kathryn A Hodgins
- School of Biological Sciences, Monash University, Clayton, Vic., 3800, Australia
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29
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Li XM, She DY, Zhang DY, Liao WJ. Life history trait differentiation and local adaptation in invasive populations of Ambrosia artemisiifolia in China. Oecologia 2014; 177:669-677. [PMID: 25362583 DOI: 10.1007/s00442-014-3127-z] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Accepted: 10/18/2014] [Indexed: 10/24/2022]
Abstract
Local adaptation has been suggested to play an important role in range expansion, particularly among invasive species. However, the extent to which local adaptation affects the success of an invasive species and the factors that contribute to local adaptation are still unclear. This study aimed to investigate a case of population divergence that may have contributed to the local adaptation of invasive populations of Ambrosia artemisiifolia in China. Common garden experiments in seven populations indicated clinal variations along latitudinal gradients, with plants from higher latitudes exhibiting earlier flowering and smaller sizes at flowering. In reciprocal transplant experiments, plants of a northern Beijing origin produced more seeds at their home site than plants of a southern Wuhan origin, and the Wuhan-origin plants had grown taller at flowering than the Beijing-origin plants in Wuhan, which is believed to facilitate pollen dispersal. These results suggest that plants of Beijing origin may be locally adapted through female fitness and plants from Wuhan possibly locally adapted through male fitness. Selection and path analysis suggested that the phenological and growth traits of both populations have been influenced by natural selection and that flowering time has played an important role through its direct and indirect effects on the relative fitness of each individual. This study evidences the life history trait differentiation and local adaptation during range expansion of invasive A. artemisiifolia in China.
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Affiliation(s)
- Xiao-Meng Li
- State Key Laboratory of Earth Surface Processes and Resource Ecology and MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, 100875, China
| | - Deng-Ying She
- State Key Laboratory of Earth Surface Processes and Resource Ecology and MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, 100875, China
| | - Da-Yong Zhang
- State Key Laboratory of Earth Surface Processes and Resource Ecology and MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, 100875, China
| | - Wan-Jin Liao
- State Key Laboratory of Earth Surface Processes and Resource Ecology and MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, 100875, China.
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30
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Dormontt EE, Gardner MG, Breed MF, Rodger JG, Prentis PJ, Lowe AJ. Genetic bottlenecks in time and space: reconstructing invasions from contemporary and historical collections. PLoS One 2014; 9:e106874. [PMID: 25192006 PMCID: PMC4156389 DOI: 10.1371/journal.pone.0106874] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Accepted: 08/09/2014] [Indexed: 02/02/2023] Open
Abstract
Herbarium accession data offer a useful historical botanical perspective and have been used to track the spread of plant invasions through time and space. Nevertheless, few studies have utilised this resource for genetic analysis to reconstruct a more complete picture of historical invasion dynamics, including the occurrence of separate introduction events. In this study, we combined nuclear and chloroplast microsatellite analyses of contemporary and historical collections of Senecio madagascariensis, a globally invasive weed first introduced to Australia c. 1918 from its native South Africa. Analysis of nuclear microsatellites, together with temporal spread data and simulations of herbarium voucher sampling, revealed distinct introductions to south-eastern Australia and mid-eastern Australia. Genetic diversity of the south-eastern invasive population was lower than in the native range, but higher than in the mid-eastern invasion. In the invasive range, despite its low resolution, our chloroplast microsatellite data revealed the occurrence of new haplotypes over time, probably as the result of subsequent introduction(s) to Australia from the native range during the latter half of the 20th century. Our work demonstrates how molecular studies of contemporary and historical field collections can be combined to reconstruct a more complete picture of the invasion history of introduced taxa. Further, our study indicates that a survey of contemporary samples only (as undertaken for the majority of invasive species studies) would be insufficient to identify potential source populations and occurrence of multiple introductions.
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Affiliation(s)
- Eleanor E. Dormontt
- Australian Centre for Evolutionary Biology and Biodiversity, University of Adelaide, Adelaide, South Australia, Australia
| | - Michael G. Gardner
- School of Biological Sciences, Flinders University, Adelaide, South Australia, Australia
- Evolutionary Biology Unit, South Australian Museum, Adelaide, South Australia, Australia
| | - Martin F. Breed
- Australian Centre for Evolutionary Biology and Biodiversity, University of Adelaide, Adelaide, South Australia, Australia
| | - James G. Rodger
- Centre for Invasion Biology, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| | - Peter J. Prentis
- School of Earth, Environmental and Biological Sciences, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Andrew J. Lowe
- Australian Centre for Evolutionary Biology and Biodiversity, University of Adelaide, Adelaide, South Australia, Australia
- * E-mail:
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Fennell M, Gallagher T, Vintro LL, Osborne B. Using soil seed banks to assess temporal patterns of genetic variation in invasive plant populations. Ecol Evol 2014; 4:1648-58. [PMID: 24967082 PMCID: PMC4063465 DOI: 10.1002/ece3.1043] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2013] [Revised: 02/11/2014] [Accepted: 02/18/2014] [Indexed: 11/30/2022] Open
Abstract
Most research on the genetics of invasive plant species has focused on analyzing spatial differences among existing populations. Using a long-established Gunnera tinctoria population from Ireland, we evaluated the potential of using plants derived from seeds associated with different soil layers to track genetic variation through time. This species and site were chosen because (1) G. tinctoria produces a large and persistent seed bank; (2) it has been present in this locality, Sraheens, for ∼90 years; (3) the soil is largely undisturbed; and (4) the soil's age can be reliably determined radiometrically at different depths. Amplified fragment length polymorphic markers (AFLPs) were used to assess differences in the genetic structure of 75 individuals sampled from both the standing population and from four soil layers, which spanned 18 cm (estimated at ∼90 years based on 210Pb and 137Cs dating). While there are difficulties in interpreting such data, including accounting for the effects of selection, seed loss, and seed migration, a clear pattern of lower total allele counts, percentage polymorphic loci, and genetic diversity was observed in deeper soils. The greatest percentage increase in the measured genetic variables occurred prior to the shift from the lag to the exponential range expansion phases and may be of adaptive significance. These findings highlight that seed banks in areas with long-established invasive populations can contain valuable genetic information relating to invasion processes and as such, should not be overlooked.
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Affiliation(s)
- Mark Fennell
- University College Dublin, School of Biological and Environmental Science Belfield, Dublin 4, Ireland ; RPS Group Willow Mere House, Compass Point Business Park, St Ives, Cambridgeshire, PE27 5JL, U.K
| | - Tommy Gallagher
- University College Dublin, School of Biological and Environmental Science Belfield, Dublin 4, Ireland
| | - Luis Leon Vintro
- University College Dublin, School of Physics Belfield, Dublin 4, Ireland
| | - Bruce Osborne
- University College Dublin, School of Biological and Environmental Science Belfield, Dublin 4, Ireland ; University College Dublin, School of Biological and Environmental Science Belfield, Dublin 4, Ireland
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Rius M, Darling JA. How important is intraspecific genetic admixture to the success of colonising populations? Trends Ecol Evol 2014; 29:233-42. [DOI: 10.1016/j.tree.2014.02.003] [Citation(s) in RCA: 329] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2013] [Revised: 02/06/2014] [Accepted: 02/07/2014] [Indexed: 11/16/2022]
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Martin MD, Zimmer EA, Olsen MT, Foote AD, Gilbert MTP, Brush GS. Herbarium specimens reveal a historical shift in phylogeographic structure of common ragweed during native range disturbance. Mol Ecol 2014; 23:1701-16. [DOI: 10.1111/mec.12675] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Revised: 01/14/2014] [Accepted: 01/17/2014] [Indexed: 11/28/2022]
Affiliation(s)
- Michael D. Martin
- Centre for GeoGenetics; University of Copenhagen; Øster Voldgade 5-7 Copenhagen K 1350 Denmark
- Department of Botany; National Museum of Natural History; MRC 166, Smithsonian Institution; Washington DC 20013-7012 USA
- Department of Geography and Environmental Engineering; Johns Hopkins University; 313 Ames Hall, 3400 North Charles Street Baltimore MD 21218 USA
| | - Elizabeth A. Zimmer
- Department of Botany; National Museum of Natural History; MRC 166, Smithsonian Institution; Washington DC 20013-7012 USA
| | - Morten T. Olsen
- Centre for GeoGenetics; University of Copenhagen; Øster Voldgade 5-7 Copenhagen K 1350 Denmark
| | - Andrew D. Foote
- Centre for GeoGenetics; University of Copenhagen; Øster Voldgade 5-7 Copenhagen K 1350 Denmark
| | - M. Thomas P. Gilbert
- Centre for GeoGenetics; University of Copenhagen; Øster Voldgade 5-7 Copenhagen K 1350 Denmark
| | - Grace S. Brush
- Department of Geography and Environmental Engineering; Johns Hopkins University; 313 Ames Hall, 3400 North Charles Street Baltimore MD 21218 USA
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Abstract
Invasive species provide excellent study systems to evaluate the ecological and evolutionary processes that contribute to the colonization of novel environments. While the ecological processes that contribute to the successful establishment of invasive plants have been studied in detail, investigation of the evolutionary processes involved in successful invasions has only recently received attention. In particular, studies investigating the genomic and gene expression differences between native and introduced populations of invasive species are just beginning and are required if we are to understand how plants become invasive. In the current issue of Molecular Ecology, Hodgins et al. (2013) tackle this unresolved question, by examining gene expression differences between native and introduced populations of annual ragweed, Ambrosia artemisiifolia. The study identifies a number of potential candidate genes based on gene expression differences that may be responsible for the success of annual ragweed in its introduced range. Furthermore, genes involved in stress response are over-represented in the differentially expressed gene set. Future experiments could use functional studies to test whether changes in gene expression at these candidate genes do in fact underlie changes in growth characteristics and reproductive output observed in this and other invasive species.
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Affiliation(s)
- Peter J Prentis
- School of Earth, Environmental and Biological Sciences, Queensland University of Technology, Brisbane, Qld 4001, Australia.
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Moroney JR, Rundel PW, Sork VL. Phenotypic plasticity and differentiation in fitness-related traits in invasive populations of the Mediterranean forb Centaurea melitensis (Asteraceae). AMERICAN JOURNAL OF BOTANY 2013; 100:2040-2051. [PMID: 24107581 DOI: 10.3732/ajb.1200543] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
PREMISE OF THE STUDY Biological invasions threaten global biodiversity, resulting in severe ecological and economic costs. Phenotypic plasticity and differentiation in fitness-related traits after introduction can contribute to increased performance in invasive populations of plants. We determined whether postintroduction evolution in trait means or in their plasticity, or inherent species-wide phenotypic plasticity has promoted invasiveness in a European annual forb. • METHODS In a common greenhouse, we compared several fitness-related traits and the phenotypic plasticity of those traits under four levels of nutrients among native and invasive populations of Centaurea melitensis. We tested 18 populations from three regions of similar mediterranean climate type: the native range (southern Spain) and two invaded ranges (California and central Chile). • KEY RESULTS Centaurea melitensis possesses overall phenotypic plasticity, which is a trait that promotes invasiveness. Invasive populations were differentiated from native plants for several trait means and their levels of phenotypic plasticity in directions that enhance competitive ability and success. Invasive plants flowered earlier and grew faster in the early stages of growth phases, important features for invasiveness. • CONCLUSIONS Phenotypic plasticity, its evolution postinvasion, and the evolution of fitness-related trait means in invasive populations have potentially contributed to the invasion of C. melitensis in California and Chile. Along with an overall wide range of tolerance to growing conditions, C. meltiensis populations that have colonized habitats in California and Chile have undergone rapid evolution in several life history traits and the plasticities of those traits in directions that would promote invasiveness in mediterranean ecosystems.
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Affiliation(s)
- Jolene R Moroney
- Department of Ecology and Evolutionary Biology, University of California, Box 951606, Los Angeles, California 90095-1606 USA
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European invasion of North American Pinus strobus at large and fine scales: high genetic diversity and fine-scale genetic clustering over time in the adventive range. PLoS One 2013; 8:e68514. [PMID: 23874648 PMCID: PMC3707879 DOI: 10.1371/journal.pone.0068514] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Accepted: 05/29/2013] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND North American Pinus strobus is a highly invasive tree species in Central Europe. Using ten polymorphic microsatellite loci we compared various aspects of the large-scale genetic diversity of individuals from 30 sites in the native distribution range with those from 30 sites in the European adventive distribution range. To investigate the ascertained pattern of genetic diversity of this intercontinental comparison further, we surveyed fine-scale genetic diversity patterns and changes over time within four highly invasive populations in the adventive range. RESULTS Our data show that at the large scale the genetic diversity found within the relatively small adventive range in Central Europe, surprisingly, equals the diversity found within the sampled area in the native range, which is about thirty times larger. Bayesian assignment grouped individuals into two genetic clusters separating North American native populations from the European, non-native populations, without any strong genetic structure shown over either range. In the case of the fine scale, our comparison of genetic diversity parameters among the localities and age classes yielded no evidence of genetic diversity increase over time. We found that SGS differed across age classes within the populations under study. Old trees in general completely lacked any SGS, which increased over time and reached its maximum in the sapling stage. CONCLUSIONS Based on (1) the absence of difference in genetic diversity between the native and adventive ranges, together with the lack of structure in the native range, and (2) the lack of any evidence of any temporal increase in genetic diversity at four highly invasive populations in the adventive range, we conclude that population amalgamation probably first happened in the native range, prior to introduction. In such case, there would have been no need for multiple introductions from previously isolated populations, but only several introductions from genetically diverse populations.
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Invasive and native populations of common ragweed exhibit strong tolerance to foliar damage. Basic Appl Ecol 2013. [DOI: 10.1016/j.baae.2012.10.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Hodgins KA, Lai Z, Nurkowski K, Huang J, Rieseberg LH. The molecular basis of invasiveness: differences in gene expression of native and introduced common ragweed (Ambrosia artemisiifolia) in stressful and benign environments. Mol Ecol 2013; 22:2496-510. [PMID: 23294156 DOI: 10.1111/mec.12179] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2012] [Revised: 11/14/2012] [Accepted: 11/21/2012] [Indexed: 11/28/2022]
Abstract
Although the evolutionary and ecological processes that contribute to plant invasion have been the focus of much research, investigation into the molecular basis of invasion is just beginning. Common ragweed (Ambrosia artemisiifolia) is an annual weed native to North America and has been introduced to Europe where it has become invasive. Using a custom-designed NimbleGen oligoarray, we examined differences in gene expression between five native and six introduced populations of common ragweed in three different environments (control, light stress and nutrient stress), as well as two different time points. We identified candidate genes that may contribute to invasiveness in common ragweed based on differences in expression between native and introduced populations from Europe. Specifically, we found 180 genes where range explained a significant proportion of the variation in gene expression and a further 103 genes with a significant range by treatment interaction. Several of these genes are potentially involved in the metabolism of secondary compounds, stress response and the detoxification of xenobiotics. Previously, we found more rapid growth and greater reproductive success in introduced populations, particularly in benign and competitive (light stress) environments, and many of these candidate genes potentially underlie these growth differences. We also found expression differences among populations within each range, reflecting either local adaptation or neutral processes, although no associations with climate or latitude were identified. These data provide a first step in identifying genes that are involved with introduction success in an aggressive annual weed.
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Affiliation(s)
- Kathryn A Hodgins
- Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, BC, Canada.
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Gulezian PZ, Ison JL, Granberg KJ. Establishment of an Invasive Plant Species (Conium maculatum) in Contaminated Roadside Soil in Cook County, Illinois. AMERICAN MIDLAND NATURALIST 2012. [DOI: 10.1674/0003-0031-168.2.375] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Taglialatela-Scafati O, Pollastro F, Minassi A, Chianese G, De Petrocellis L, Di Marzo V, Appendino G. Sesquiterpenoids from Common Ragweed (Ambrosia artemisiifolia L.), an Invasive Biological Polluter. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200650] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Li XM, Liao WJ, Wolfe LM, Zhang DY. No evolutionary shift in the mating system of north American Ambrosia artemisiifolia (Asteraceae) following its introduction to China. PLoS One 2012; 7:e31935. [PMID: 22384104 PMCID: PMC3285193 DOI: 10.1371/journal.pone.0031935] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2011] [Accepted: 01/20/2012] [Indexed: 11/19/2022] Open
Abstract
The mating system plays a key role during the process of plant invasion. Contemporary evolution of uniparental reproduction (selfing or asexuality) can relieve the challenges of mate limitation in colonizing populations by providing reproductive assurance. Here we examined aspects of the genetics of colonization in Ambrosia artemisiifolia, a North American native that is invasive in China. This species has been found to possess a strong self-incompatibility system and have high outcrossing rates in North America and we examined whether there has been an evolutionary shift towards the dependence on selfing in the introduced range. Specifically, we estimated outcrossing rates in one native and five invasive populations and compared levels of genetic diversity between North America and China. Based on six microsatellite loci we found that, like the native North American population, all five Chinese populations possessed a completely outcrossing mating system. The estimates of paternity correlations were low, ranging from 0.028-0.122, which suggests that populations possessed ~8-36 pollen donor parents contributing to each maternal plant in the invasive populations. High levels of genetic diversity for both native and invasive populations were found with the unbiased estimate of gene diversity ranging from 0.262-0.289 for both geographic ranges based on AFLP markers. Our results demonstrate that there has been no evolutionary shift from outcrossing to selfing during A. artemisiifolia's invasion of China. Furthermore, high levels of genetic variation in North America and China indicate that there has been no erosion of genetic variance due to a bottleneck during the introduction process. We suggest that the successful invasion of A. artemisiifolia into Asia was facilitated by repeated introductions from multiple source populations in the native range creating a diverse gene pool within Chinese populations.
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Affiliation(s)
- Xiao-Meng Li
- State Key Laboratory of Earth Surface Processes and Resource Ecology, MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, China
| | - Wan-Jin Liao
- State Key Laboratory of Earth Surface Processes and Resource Ecology, MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, China
- * E-mail:
| | - Lorne M. Wolfe
- Department of Biology, Georgia Southern University, Statesboro, Georgia, United States of America
| | - Da-Yong Zhang
- State Key Laboratory of Earth Surface Processes and Resource Ecology, MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, China
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HODGINS KA, RIESEBERG L. Genetic differentiation in life-history traits of introduced and native common ragweed (Ambrosia artemisiifolia) populations. J Evol Biol 2011; 24:2731-49. [DOI: 10.1111/j.1420-9101.2011.02404.x] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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DeWalt SJ, Siemann E, Rogers WE. Geographic distribution of genetic variation among native and introduced populations of Chinese tallow tree, Triadica sebifera (Euphorbiaceae). AMERICAN JOURNAL OF BOTANY 2011; 98:1128-1138. [PMID: 21730337 DOI: 10.3732/ajb.1000297] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
PREMISE OF THE STUDY Invasive plants often display genetically determined variation in patterns of growth and resource allocation between native and introduced genotypes, as well as among genotypes within different regions of the introduced range. We examined patterns of genetic variation within and among native and introduced populations of the tetraploid Chinese tallow tree (Triadica sebifera, Euphorbiaceae) to determine whether nonselective evolutionary processes or the introduction history could contribute to previously observed phenotypic differences between native and introduced populations as well as among introduced populations. METHODS We used six microsatellite markers to study 12 native populations in China, 51 introduced populations in the southeastern USA, and one introduced population in Australia. KEY RESULTS Genetic diversity was greater within and among native populations than introduced populations. Within the southeastern USA, populations in Georgia and South Carolina differed substantially in their genetic composition and had greater genetic diversity than the rest of the southeastern USA. Greater genetic similarity between some populations in the native range and introduced range indicate a common provenance for Georgia and South Carolina populations that could have come from any of several western or southern Chinese populations and a different provenance for other southeastern USA populations and the Australian population, which were most similar to more northeastern Chinese populations. CONCLUSIONS Differences among introduced populations in potentially adaptive traits (e.g., herbivore tolerance, herbivore resistance, growth rates) may result in part from the introduction history, in particular from differences present among source populations in the native range.
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Affiliation(s)
- Saara J DeWalt
- Department of Biological Sciences, Clemson University, Clemson, South Carolina 29634, USA.
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Gaudeul M, Giraud T, Kiss L, Shykoff JA. Nuclear and chloroplast microsatellites show multiple introductions in the worldwide invasion history of common ragweed, Ambrosia artemisiifolia. PLoS One 2011; 6:e17658. [PMID: 21423697 PMCID: PMC3053376 DOI: 10.1371/journal.pone.0017658] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2010] [Accepted: 02/07/2011] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Ambrosia artemisiifolia is a North American native that has become one of the most problematic invasive plants in Europe and Asia. We studied its worldwide population genetic structure, using both nuclear and chloroplast microsatellite markers and an unprecedented large population sampling. Our goals were (i) to identify the sources of the invasive populations; (ii) to assess whether all invasive populations were founded by multiple introductions, as previously found in France; (iii) to examine how the introductions have affected the amount and structure of genetic variation in Europe; (iv) to document how the colonization of Europe proceeded; (v) to check whether populations exhibit significant heterozygote deficiencies, as previously observed. PRINCIPAL FINDINGS We found evidence for multiple introductions of A. artemisiifolia, within regions but also within populations in most parts of its invasive range, leading to high levels of diversity. In Europe, introductions probably stem from two different regions of the native area: populations established in Central Europe appear to have originated from eastern North America, and Eastern European populations from more western North America. This may result from differential commercial exchanges between these geographic regions. Our results indicate that the expansion in Europe mostly occurred through long-distance dispersal, explaining the absence of isolation by distance and the weak influence of geography on the genetic structure in this area in contrast to the native range. Last, we detected significant heterozygote deficiencies in most populations. This may be explained by partial selfing, biparental inbreeding and/or a Wahlund effect and further investigation is warranted. CONCLUSIONS This insight into the sources and pathways of common ragweed expansion may help to better understand its invasion success and provides baseline data for future studies on the evolutionary processes involved during range expansion in novel environments.
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Affiliation(s)
- Myriam Gaudeul
- UMR CNRS 7205 Origine, Structure et Evolution de la Biodiversité, Muséum National d'Histoire Naturelle, Paris, France.
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Chun YJ, LE Corre V, Bretagnolle F. Adaptive divergence for a fitness-related trait among invasive Ambrosia artemisiifolia populations in France. Mol Ecol 2011; 20:1378-88. [PMID: 21306459 DOI: 10.1111/j.1365-294x.2011.05013.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The impact of natural selection on the adaptive divergence of invasive populations can be assessed by testing the null hypothesis that the extent of quantitative genetic differentiation (Q(ST) ) would be similar to that of neutral molecular differentiation (F(ST) ). Using eight microsatellite loci and a common garden approach, we compared Q(ST) and F(ST) among ten populations of an invasive species Ambrosia artemisiifolia (common ragweed) in France. In a common garden study with varying water and nutrient levels, we measured Q(ST) for five traits (height, total biomass, reproductive allocation, above- to belowground biomass ratio, and days to flowering). Although low F(ST) indicated weak genetic structure and strong gene flow among populations, we found significant diversifying selection (Q(ST) > F(ST) ) for reproductive allocation that may be closely related to fitness. It suggests that abiotic conditions may have exerted selection pressure on A. artemisiifolia populations to differentiate adaptively, such that populations at higher altitude or latitude evolved greater reproductive allocation. As previous studies indicate multiple introductions from various source populations of A. artemisiifolia in North America, our results suggest that the admixture of introduced populations may have increased genetic diversity and additive genetic variance, and in turn, promoted the rapid evolution and adaptation of this invasive species.
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Affiliation(s)
- Young Jin Chun
- Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Cheongwon, Korea.
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Distinct invasion sources of common ragweed (Ambrosia artemisiifolia) in Eastern and Western Europe. Biol Invasions 2010. [DOI: 10.1007/s10530-010-9880-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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47
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Fennell M, Gallagher T, Osborne B. Patterns of genetic variation in invasive populations of Gunnera tinctoria: an analysis at three spatial scales. Biol Invasions 2010. [DOI: 10.1007/s10530-010-9813-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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48
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Csontos P, Vitalos M, Barina Z, Kiss L. Early distribution and spread of Ambrosia artemisiifolia in Central and Eastern Europe. ACTA ACUST UNITED AC 2010. [DOI: 10.1007/s00035-010-0072-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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