151
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Liu D, Horvath D, Li P, Liu W. RNA Sequencing Characterizes Transcriptomes Differences in Cold Response Between Northern and Southern Alternanthera philoxeroides and Highlight Adaptations Associated With Northward Expansion. FRONTIERS IN PLANT SCIENCE 2019; 10:24. [PMID: 30761169 PMCID: PMC6364329 DOI: 10.3389/fpls.2019.00024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 01/09/2019] [Indexed: 06/09/2023]
Abstract
Alternanthera philoxeroides recently expanded its range northwards in China. It is unknown if the range expansion has a genetic and/or epigenetic basis, or merely an environmental basis due to a warming climate. To test these possibilities, we used an RNAseq approach with a common greenhouse design to examine gene expression in individuals from the northern edge and central portion of alligator weed range from China to determine if there were differences in their responses to cold temperatures. We hypothesized that if the recent range expansion was primarily environmental, we would observe few differences or only differences unrelated to low-temperature adaptations. We assembled over 75,000 genes of which over 65,000 had long open reading frames with similarity to sequences from arabidopsis. Differences in expression between northern and southern populations that were both exposed to low temperatures showed similar expression among genes in the C-REPEAT/DRE BINDING FACTOR (CBF) regulon. However, gene set and sub-network enrichment analysis indicated differences in the response of photosynthetic processes and oxidative stress responses were different between the two populations and we relate these differences to cold adaptation. The transcriptome differences in response to cold between the individuals from the two populations is consistent with adaptations potentiating or resulting from selection after expansion into colder environments and may indicate that genetic changes have accompanied the recent northward expansion of A. philoxeroides in China. However, we cannot rule out the possibility of epigenetic changes may have a role in this expansion.
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Affiliation(s)
- Dasheng Liu
- Shandong Institute of Environmental Science, Jinan, China
| | - David Horvath
- USDA-ARS, Sunflower and Plant Biology Research Unit, Fargo, ND, United States
| | - Peng Li
- Shandong Institute of Environmental Science, Jinan, China
| | - Wenmin Liu
- College of Life Sciences, Shandong Normal University, Jinan, China
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152
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Campbell CD, Pecon-Slattery J, Pollak R, Joseph L, Holleley CE. The origin of exotic pet sugar gliders ( Petaurus breviceps) kept in the United States of America. PeerJ 2019; 7:e6180. [PMID: 30643698 PMCID: PMC6329365 DOI: 10.7717/peerj.6180] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 11/29/2018] [Indexed: 11/25/2022] Open
Abstract
The demand for exotic non-domesticated animals kept as pets in the United States of America (USA) is increasing the exportation rates of these species from their native ranges. Often, illegal harvesting of these species is used to boost captive-bred numbers and meet this demand. One such species, the sugar glider (Petaurus breviceps), endemic to Australia and New Guinea is a popular domestic pet due to its small size and "cute" demeanour. Despite a legal avenue for trade existing in Indonesia, concerns have been raised that sugar gliders may be entering the USA from other parts of their native range where exportation is prohibited such as Australia, Papua New Guinea and the surrounding Indonesian islands. We compared previously published DNA sequences from across the native range of sugar gliders with samples collected from domestically kept sugar gliders within the USA to determine provenance and gene flow between source and introduced populations. Here we show that as predicted, the USA sugar glider population originates from West Papua, Indonesia with no illegal harvesting from other native areas such as Papua New Guinea or Australia evident in the samples tested within this study.
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Affiliation(s)
- Catriona D. Campbell
- Australian National Wildlife Collection, CSIRO National Research Collections Australia, Canberra, Australian Capital Territory, Australia
| | - Jill Pecon-Slattery
- Laboratory of Genomic Diversity, National Cancer Institute—National Institutes of Health, Frederick, MD, United States of America
- Smithsonian Conservation Biology Institute—National Zoological Park, Front Royal, VA, United States of America
| | - Rebecca Pollak
- Laboratory of Genomic Diversity, National Cancer Institute—National Institutes of Health, Frederick, MD, United States of America
| | - Leo Joseph
- Australian National Wildlife Collection, CSIRO National Research Collections Australia, Canberra, Australian Capital Territory, Australia
| | - Clare E. Holleley
- Australian National Wildlife Collection, CSIRO National Research Collections Australia, Canberra, Australian Capital Territory, Australia
- Laboratory of Genomic Diversity, National Cancer Institute—National Institutes of Health, Frederick, MD, United States of America
- Institute for Applied Ecology, University of Canberra, Bruce, Australian Capital Territory, Australia
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153
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Barker BS, Cocio JE, Anderson SR, Braasch JE, Cang FA, Gillette HD, Dlugosch KM. Potential limits to the benefits of admixture during biological invasion. Mol Ecol 2018; 28:100-113. [PMID: 30485593 DOI: 10.1111/mec.14958] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Revised: 11/06/2018] [Accepted: 11/09/2018] [Indexed: 12/18/2022]
Abstract
Species introductions often bring together genetically divergent source populations, resulting in genetic admixture. This geographic reshuffling of diversity has the potential to generate favourable new genetic combinations, facilitating the establishment and invasive spread of introduced populations. Observational support for the superior performance of admixed introductions has been mixed, however, and the broad importance of admixture to invasion questioned. Under most underlying mechanisms, admixture's benefits should be expected to increase with greater divergence among and lower genetic diversity within source populations, though these effects have not been quantified in invaders. We experimentally crossed source populations differing in divergence in the invasive plant Centaurea solstitialis. Crosses resulted in many positive (heterotic) interactions, but fitness benefits declined and were ultimately negative at high source divergence, with patterns suggesting cytonuclear epistasis. We explored the literature to assess whether such negative epistatic interactions might be impeding admixture at high source population divergence. Admixed introductions reported for plants came from sources with a wide range of genetic variation, but were disproportionately absent where there was high genetic divergence among native populations. We conclude that while admixture is common in species introductions and often happens under conditions expected to be beneficial to invaders, these conditions may be constrained by predictable negative genetic interactions, potentially explaining conflicting evidence for admixture's benefits to invasion.
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Affiliation(s)
- Brittany S Barker
- University of Arizona, Tucson, Arizona.,United States Geological Survey, Boise, Idaho
| | | | | | | | | | - Heather D Gillette
- University of Arizona, Tucson, Arizona.,Northern Arizona University, Flagstaff, Arizona
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154
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Wu N, Zhang S, Li X, Cao Y, Liu X, Wang Q, Liu Q, Liu H, Hu X, Zhou XJ, James AA, Zhang Z, Huang Y, Zhan S. Fall webworm genomes yield insights into rapid adaptation of invasive species. Nat Ecol Evol 2018; 3:105-115. [DOI: 10.1038/s41559-018-0746-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 11/06/2018] [Indexed: 11/09/2022]
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155
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Chen Y, Shenkar N, Ni P, Lin Y, Li S, Zhan A. Rapid microevolution during recent range expansion to harsh environments. BMC Evol Biol 2018; 18:187. [PMID: 30526493 PMCID: PMC6286502 DOI: 10.1186/s12862-018-1311-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 11/27/2018] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Adaptive evolution is one of the crucial mechanisms for organisms to survive and thrive in new environments. Recent studies suggest that adaptive evolution could rapidly occur in species to respond to novel environments or environmental challenges during range expansion. However, for environmental adaptation, many studies successfully detected phenotypic features associated with local environments, but did not provide ample genetic evidence on microevolutionary dynamics. It is therefore crucial to thoroughly investigate the genetic basis of rapid microevolution in response to environmental changes, in particular on what genes and associated variation are responsible for environmental challenges. Here, we genotyped genome-wide gene-associated microsatellites to detect genetic signatures of rapid microevolution of a marine tunicate invader, Ciona robusta, during recent range expansion to the harsh environment in the Red Sea. RESULTS The Red Sea population was significantly differentiated from the other global populations. The genome-wide scan, as well as multiple analytical methods, successfully identified a set of adaptive genes. Interestingly, the allele frequency largely varied at several adaptive loci in the Red Sea population, and we found significant correlations between allele frequency and local environmental factors at these adaptive loci. Furthermore, a set of genes were annotated to get involved in local temperature and salinity adaptation, and the identified adaptive genes may largely contribute to the invasion success to harsh environments. CONCLUSIONS All the evidence obtained in this study clearly showed that environment-driven selection had left detectable signatures in the genome of Ciona robusta within a few generations. Such a rapid microevolutionary process is largely responsible for the harsh environmental adaptation and therefore contributes to invasion success in different aquatic ecosystems with largely varied environmental factors.
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Affiliation(s)
- Yiyong Chen
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing, 100085, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing, 100049, China
| | - Noa Shenkar
- School of Zoology, George S. Wise Faculty of Life Sciences, Tel-Aviv University, 6997801, Tel-Aviv, Israel
- The Steinhardt Museum of Natural History, Israel National Center for Biodiversity Studies, Tel Aviv University, Tel-Aviv, Israel
| | - Ping Ni
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing, 100085, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing, 100049, China
| | - Yaping Lin
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing, 100085, China
- GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, Düsternbrooker Weg 20, 24105, Kiel, Germany
| | - Shiguo Li
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing, 100085, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing, 100049, China
| | - Aibin Zhan
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing, 100085, China.
- University of Chinese Academy of Sciences, 19A Yuquan Road, Shijingshan District, Beijing, 100049, China.
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156
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Konečný A, Popa OP, Bartáková V, Douda K, Bryja J, Smith C, Popa LO, Reichard M. Modelling the invasion history of Sinanodonta woodiana in Europe: Tracking the routes of a sedentary aquatic invader with mobile parasitic larvae. Evol Appl 2018; 11:1975-1989. [PMID: 30459842 PMCID: PMC6231479 DOI: 10.1111/eva.12700] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 08/03/2018] [Accepted: 08/15/2018] [Indexed: 01/02/2023] Open
Abstract
Understanding the invasive potential of species outside their native range is one of the most pressing questions in applied evolutionary and ecological research. Admixture of genotypes of invasive species from multiple sources has been implicated in successful invasions, by generating novel genetic combinations that facilitate rapid adaptation to new environments. Alternatively, adaptive evolution on standing genetic variation, exposed by phenotypic plasticity and selected by genetic accommodation, can facilitate invasion success. We investigated the population genetic structure of an Asian freshwater mussel with a parasitic dispersal stage, Sinanodonta woodiana, which has been present in Europe since 1979 but which has expanded rapidly in the last decade. Data from a mitochondrial marker and nuclear microsatellites have suggested that all European populations of S. woodiana originate from the River Yangtze basin in China. Only a single haplotype was detected in Europe, in contrast to substantial mitochondrial diversity in native Asian populations. Analysis of microsatellite markers indicated intensive gene flow and confirmed a lower genetic diversity of European populations compared to those from the Yangtze basin, though that difference was not large. Using an Approximate Bayesian Modelling approach, we identified two areas as the probable source of the spread of S. woodiana in Europe, which matched historical records for its establishment. Their populations originated from a single colonization event. Our data do not support alternative explanations for the rapid recent spread of S. woodiana; recent arrival of a novel (cold-tolerant) genotype or continuous propagule pressure. Instead, in situ adaptation, facilitated by repeated admixture, appears to drive the ongoing expansion of S. woodiana. We discuss management consequences of our results.
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Affiliation(s)
- Adam Konečný
- The Czech Academy of SciencesInstitute of Vertebrate BiologyBrnoCzech Republic
- Department of Botany and ZoologyFaculty of ScienceMasaryk UniversityBrnoCzech Republic
| | - Oana P. Popa
- Grigore Antipa National Museum of Natural HistoryBucharestRomania
| | - Veronika Bartáková
- The Czech Academy of SciencesInstitute of Vertebrate BiologyBrnoCzech Republic
- Department of Botany and ZoologyFaculty of ScienceMasaryk UniversityBrnoCzech Republic
| | - Karel Douda
- Department of Zoology and FisheriesCzech University of Life Sciences PraguePragueCzech Republic
| | - Josef Bryja
- The Czech Academy of SciencesInstitute of Vertebrate BiologyBrnoCzech Republic
- Department of Botany and ZoologyFaculty of ScienceMasaryk UniversityBrnoCzech Republic
| | - Carl Smith
- The Czech Academy of SciencesInstitute of Vertebrate BiologyBrnoCzech Republic
- Department of Ecology & Vertebrate ZoologyUniversity of ŁódźŁódźPoland
- School of Biology and Bell‐Pettigrew Museum of Natural HistoryUniversity of St AndrewsSt AndrewsUK
| | - Luis O. Popa
- Grigore Antipa National Museum of Natural HistoryBucharestRomania
| | - Martin Reichard
- The Czech Academy of SciencesInstitute of Vertebrate BiologyBrnoCzech Republic
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157
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Thompson KA, Rieseberg LH, Schluter D. Speciation and the City. Trends Ecol Evol 2018; 33:815-826. [DOI: 10.1016/j.tree.2018.08.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 08/18/2018] [Accepted: 08/22/2018] [Indexed: 12/30/2022]
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158
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Guzinski J, Ballenghien M, Daguin‐Thiébaut C, Lévêque L, Viard F. Population genomics of the introduced and cultivated Pacific kelp Undaria pinnatifida: Marinas-not farms-drive regional connectivity and establishment in natural rocky reefs. Evol Appl 2018; 11:1582-1597. [PMID: 30344629 PMCID: PMC6183462 DOI: 10.1111/eva.12647] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 05/02/2018] [Accepted: 05/09/2018] [Indexed: 01/03/2023] Open
Abstract
Ports and farms are well-known primary introduction hot spots for marine non-indigenous species (NIS). The extent to which these anthropogenic habitats are sustainable sources of propagules and influence the evolution of NIS in natural habitats was examined in the edible seaweed Undaria pinnatifida, native to Asia and introduced to Europe in the 1970s. Following its deliberate introduction 40 years ago along the French coast of the English Channel, this kelp is now found in three contrasting habitat types: farms, marinas and natural rocky reefs. In the light of the continuous spread of this NIS, it is imperative to better understand the processes behind its sustainable establishment in the wild. In addition, developing effective management plans to curtail the spread of U. pinnatifida requires determining how the three types of populations interact with one another. In addition to an analysis using microsatellite markers, we developed, for the first time in a kelp, a ddRAD-sequencing technique to genotype 738 individuals sampled in 11 rocky reefs, 12 marinas, and two farms located along ca. 1,000 km of coastline. As expected, the RAD-seq panel showed more power than the microsatellite panel for identifying fine-grained patterns. However, both panels demonstrated habitat-specific properties of the study populations. In particular, farms displayed very low genetic diversity and no inbreeding conversely to populations in marinas and natural rocky reefs. In addition, strong, but chaotic regional genetic structure, was revealed, consistent with human-mediated dispersal (e.g., leisure boating). We also uncovered a tight relationship between populations in rocky reefs and those in nearby marinas, but not with nearby farms, suggesting spillover from marinas into the wild. At last, a temporal survey spanning 20 generations showed that wild populations are now self-sustaining, albeit there was no evidence for local adaptation to any of the three habitats. These findings highlight that limiting the spread of U. pinnatifida requires efficient management policies that also target marinas.
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Affiliation(s)
- Jaromir Guzinski
- Laboratory Adaptation and Diversity in Marine Environments (UMR 7144 CNRS SU)CNRSSorbonne UniversitéRoscoffFrance
- Laboratory Evolutionary Biology and Ecology of Algae (UMI 3614 CNRS SU)CNRSSorbonne UniversitéRoscoffFrance
| | - Marion Ballenghien
- Laboratory Adaptation and Diversity in Marine Environments (UMR 7144 CNRS SU)CNRSSorbonne UniversitéRoscoffFrance
| | - Claire Daguin‐Thiébaut
- Laboratory Adaptation and Diversity in Marine Environments (UMR 7144 CNRS SU)CNRSSorbonne UniversitéRoscoffFrance
| | - Laurent Lévêque
- Fédération de Recherche (FR 2424 CNRS SU)CNRSSorbonne UniversitéRoscoffFrance
| | - Frédérique Viard
- Laboratory Adaptation and Diversity in Marine Environments (UMR 7144 CNRS SU)CNRSSorbonne UniversitéRoscoffFrance
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159
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Ni P, Li S, Lin Y, Xiong W, Huang X, Zhan A. Methylation divergence of invasive Ciona ascidians: Significant population structure and local environmental influence. Ecol Evol 2018; 8:10272-10287. [PMID: 30397465 PMCID: PMC6206186 DOI: 10.1002/ece3.4504] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 08/02/2018] [Accepted: 08/03/2018] [Indexed: 12/16/2022] Open
Abstract
The geographical expansion of invasive species usually leads to temporary and/or permanent changes at multiple levels (genetics, epigenetics, gene expression, etc.) to acclimatize to abiotic and/or biotic stresses in novel environments. Epigenetic variation such as DNA methylation is often involved in response to diverse local environments, thus representing one crucial mechanism to promote invasion success. However, evidence is scant on the potential role of DNA methylation variation in rapid environmental response and invasion success during biological invasions. In particular, DNA methylation patterns and possible contributions of varied environmental factors to methylation differentiation have been largely unknown in many invaders, especially for invasive species in marine systems where extremely complex interactions exist between species and surrounding environments. Using the methylation-sensitive amplification polymorphism (MSAP) technique, here we investigated population methylation structure at the genome level in two highly invasive model ascidians, Ciona robusta and C. intestinalis, collected from habitats with varied environmental factors such as temperature and salinity. We found high intrapopulation methylation diversity and significant population methylation differentiation in both species. Multiple analyses, such as variation partitioning analysis, showed that both genetic variation and environmental factors contributed to the observed DNA methylation variation. Further analyses found that 24 and 20 subepiloci were associated with temperature and/or salinity in C. robusta and C. intestinalis, respectively. All these results clearly showed significant methylation divergence among populations of both invasive ascidians, and varied local environmental factors, as well as genetic variation, were responsible for the observed DNA methylation patterns. The consistent findings in both species here suggest that DNA methylation, coupled with genetic variation, may facilitate local environmental adaptation during biological invasions, and DNA methylation variation molded by local environments may contribute to invasion success.
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Affiliation(s)
- Ping Ni
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesChinese Academy of SciencesBeijingChina
| | - Shiguo Li
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
| | - Yaping Lin
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
| | - Wei Xiong
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesChinese Academy of SciencesBeijingChina
| | - Xuena Huang
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesChinese Academy of SciencesBeijingChina
| | - Aibin Zhan
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesChinese Academy of SciencesBeijingChina
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160
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Pauli N, Paiva F, Briski E. Are Ponto-Caspian species able to cross salinity barriers? A case study of the gammarid Pontogammarus maeoticus. Ecol Evol 2018; 8:9817-9826. [PMID: 30386577 PMCID: PMC6202737 DOI: 10.1002/ece3.4461] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 07/08/2018] [Accepted: 07/14/2018] [Indexed: 01/03/2023] Open
Abstract
Recently, Ponto-Caspian species (i.e., area of Azov, Black, and Caspian Seas) have invaded brackish and freshwater habitats of the North and Baltic Seas and the Laurentian Great Lakes in much higher numbers than expected based on shipping frequency and environmental conditions among these regions. Therefore, it has been suggested that Ponto-Caspian species may have inherent advantages over other species in colonizing new habitats, or that they are of freshwater origin. Artificial selection offers the possibility to investigate phenotypic plasticity, shifts in environmental tolerance, and heritability of environmentally sensitive traits; therefore, in this study, we conducted artificial selection experiments on Ponto-Caspian amphipod Pontogammarus maeoticus collected from 10 PSU to evaluate adaptation capacity of this species to different salinities, and to shed additional light on a possible freshwater origin of Ponto-Caspian invaders. Our results indicated that selection to lower salinity than that of the population's ambient salinity is possible within few generations due to a likely existence of standing polymorphic variation for selection to act on. In contrast, selection to higher salinity was unsuccessful because the phenotypic variation was mainly caused by environmental variance and therefore might depend on new mutations. Consequently, the results of our study suggest that the tested species might be of freshwater origin and lacks necessary genetic background for adaptation to fully marine conditions. Further selection studies using more species and populations, as well as molecular techniques, should be conducted to elucidate if other Ponto-Caspian invaders are of freshwater origin as well.
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Affiliation(s)
- Nora‐Charlotte Pauli
- GEOMAR Helmholtz Centre for Ocean Research KielKielGermany
- Christian‐Albrechts Universität KielKielGermany
- Present address:
Institute for Chemistry and Biology of the Marine EnvironmentCarl‐von‐Ossietzky UniversityOldenburgGermany
| | - Filipa Paiva
- GEOMAR Helmholtz Centre for Ocean Research KielKielGermany
- MARE – Marine and Environmental Sciences CentreQuinta do Lorde MarinaCaniçal, Madeira IslandPortugal
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161
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MacDougall AS, McCune JL, Eriksson O, Cousins SAO, Pärtel M, Firn J, Hierro JL. The Neolithic Plant Invasion Hypothesis: the role of preadaptation and disturbance in grassland invasion. THE NEW PHYTOLOGIST 2018; 220:94-103. [PMID: 29974472 DOI: 10.1111/nph.15285] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 05/18/2018] [Indexed: 06/08/2023]
Abstract
A long-standing hypothesis is that many European plants invade temperate grasslands globally because they are introduced simultaneously with pastoralism and cultivation, to which they are 'preadapted' after millennia of exposure dating to the Neolithic era ('Neolithic Plant Invasion Hypothesis' (NPIH)). These 'preadaptations' are predicted to maximize their performance relative to native species lacking this adaptive history. Here, we discuss the explanatory relevance of the NPIH, clarifying the importance of evolutionary context vs other mechanisms driving invasion. The NPIH makes intuitive sense given established connections between invasion and agricultural-based perturbation. However, tests are often incomplete given the need for performance contrasts between home and away ranges, while controlling for other mechanisms. We emphasize six NPIH-based predictions, centring on trait similarity of invaders between home vs away populations, and differing perturbation responses by invading and native plants. Although no research has integrated all six predictions, we highlight studies suggesting preadaptation influences on invasion. Given that many European grasslands are creations of human activity from the past, current invasions by these flora may represent the continuation of processes dating to the Neolithic. Ironically, European Neolithic-derived grasslands are becoming rarer, reflecting changes in management and illustrating the importance of human influences on these species.
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Affiliation(s)
- Andrew S MacDougall
- Department of Integrative Biology, University of Guelph, Guelph, ON, Canada, N1G 2W1
| | - Jenny L McCune
- Department of Integrative Biology, University of Guelph, Guelph, ON, Canada, N1G 2W1
- Department of Biology, Carleton University, Ottawa, ON, Canada, K1S 5B6
| | - Ove Eriksson
- Department of Ecology, Environment, and Plant Sciences, Stockholm Universitet, Stockholm, SE-106 91, Sweden
| | - Sara A O Cousins
- Department of Physical Geography and Quaternary Geology, Stockholm Universitet, Stockholm, SE-106 91, Sweden
| | - Meelis Pärtel
- Institute of Ecology and Earth Sciences, University of Tartu, Tartu, 51005, Estonia
| | - Jennifer Firn
- Queensland University of Technology, Brisbane, Qld, 4001, Australia
| | - Jose L Hierro
- Instituto de Ciencias de la Tierra y Ambientales de La Pampa, CONICET-Universidad Nacional de La Pampa (UNLPam), Santa Rosa, 6300, Argentina
- Facultad de Ciencias Exactas y Naturales, UNLPam, Santa Rosa, Argentina
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162
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Hunter ME, Johnson NA, Smith BJ, Davis MC, Butterfield JSS, Snow RW, Hart KM. Cytonuclear discordance in the Florida Everglades invasive Burmese python ( Python bivittatus) population reveals possible hybridization with the Indian python ( P. molurus). Ecol Evol 2018; 8:9034-9047. [PMID: 30271564 PMCID: PMC6157680 DOI: 10.1002/ece3.4423] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 06/08/2018] [Accepted: 06/22/2018] [Indexed: 12/04/2022] Open
Abstract
The invasive Burmese python (Python bivittatus) has been reproducing in the Florida Everglades since the 1980s. These giant constrictor snakes have caused a precipitous decline in small mammal populations in southern Florida following escapes or releases from the commercial pet trade. To better understand the invasion pathway and genetic composition of the population, two mitochondrial (mtDNA) loci across 1,398 base pairs were sequenced on 426 snakes and 22 microsatellites were assessed on 389 snakes. Concatenated mtDNA sequences produced six haplotypes with an average nucleotide and haplotype diversity of π = 0.002 and h = 0.097, respectively. Samples collected in Florida from morphologically identified P. bivittatus snakes were similar to published cytochrome oxidase 1 and cytochrome b sequences from both P. bivittatus and Python molurus and were highly divergent (genetic distances of 5.4% and 4.3%, respectively). The average number of microsatellite alleles and expected heterozygosity were N A = 5.50 and H E = 0.60, respectively. Nuclear Bayesian assignment tests supported two genetically distinct groups and an admixed group, not geographically differentiated. The effective population size (N E = 315.1) was lower than expected for a population this large, but reflected the low genetic diversity overall. The patterns of genetic diversity between mtDNA and microsatellites were disparate, indicating nuclear introgression of separate mtDNA lineages corresponding to cytonuclear discordance. The introgression likely occurred prior to the invasion, but genetic information on the native range and commercial trade is needed for verification. Our finding that the Florida python population is comprised of distinct lineages suggests greater standing variation for adaptation and the potential for broader areas of suitable habitat in the invaded range.
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Affiliation(s)
- Margaret E. Hunter
- U.S. Geological SurveyWetland and Aquatic Research CenterGainesvilleFlorida
| | - Nathan A. Johnson
- U.S. Geological SurveyWetland and Aquatic Research CenterGainesvilleFlorida
| | - Brian J. Smith
- Wetland and Aquatic Research CenterCherokee Nation TechnologiesDavieFlorida
| | - Michelle C. Davis
- U.S. Geological SurveyWetland and Aquatic Research CenterGainesvilleFlorida
| | | | - Ray W. Snow
- U.S. National Park ServiceEverglades National ParkHomesteadFlorida
| | - Kristen M. Hart
- U.S. Geological SurveyWetland and Aquatic Research CenterDavieFlorida
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Dick C, Hinh J, Hayashi CY, Reznick DN. Convergent evolution of coloration in experimental introductions of the guppy ( Poecilia reticulata). Ecol Evol 2018; 8:8999-9006. [PMID: 30271561 PMCID: PMC6157698 DOI: 10.1002/ece3.4418] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 06/30/2018] [Accepted: 07/04/2018] [Indexed: 01/01/2023] Open
Abstract
Despite the multitude of examples of evolution in action, relatively fewer studies have taken a replicated approach to understand the repeatability of evolution. Here, we examine the convergent evolution of adaptive coloration in experimental introductions of guppies from a high-predation (HP) environment into four low-predation (LP) environments. LP introductions were replicated across 2 years and in two different forest canopy cover types. We take a complementary approach by examining both phenotypes and genetics. For phenotypes, we categorize the whole color pattern on the tail fin of male guppies and analyze evolution using a correspondence analysis. We find that coloration in the introduction sites diverged from the founding Guanapo HP site. Sites group together based on canopy cover, indicating convergence in response to light environment. However, the axis that explains the most variation indicates a lack of convergence. Therefore, evolution may proceed along similar phenotypic trajectories, but still maintain unique variation within sites. For the genetics underlying the divergent phenotypes, we examine expression levels of color genes. We find no evidence for differential expression, indicating that the genetic basis for the color changes remains undetermined.
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Affiliation(s)
- Cynthia Dick
- Department of Evolution, Ecology and Organismal BiologyUniversity of California‐RiversideRiversideCalifornia
| | - Jasmine Hinh
- Department of Evolution, Ecology and Organismal BiologyUniversity of California‐RiversideRiversideCalifornia
| | - Cheryl Y. Hayashi
- Division of Invertebrate Zoology and Sackler Institute for Comparative GenomicsAmerican Museum of Natural HistoryNew YorkNew York
| | - David N. Reznick
- Department of Evolution, Ecology and Organismal BiologyUniversity of California‐RiversideRiversideCalifornia
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165
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Huang X, Li S, Gao Y, Zhan A. Genome-Wide Identification, Characterization and Expression Analyses of Heat Shock Protein-Related Genes in a Highly Invasive Ascidian Ciona savignyi. Front Physiol 2018; 9:1043. [PMID: 30108524 PMCID: PMC6079275 DOI: 10.3389/fphys.2018.01043] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 07/13/2018] [Indexed: 12/02/2022] Open
Abstract
Biological response to rapid changing environments is an outstanding research question in ecology and evolution. Biological invasions provide excellent "natural" experiments to study such a complex response process, as invaders often encounter rapidly changing environments during biological invasions. The regulation of heat shock proteins (Hsp) is a common pathway responsible for various environmental stresses; however, the comprehensive study on Hsp system across the whole genome and potential roles in determining invasion success are still largely unexplored. Here, we used a marine invasive model ascidian, Ciona savignyi, to investigate transcriptional response of Hsp-related genes to harsh environments. We identified 32 genes, including three Hsp20, six Hsp40, ten Hsp60, eight Hsp70, three Hsp90, one Hsp100, and one heat shock transcription factor (Hsf), across the whole genome of C. savignyi. We further characterized gene structure and protein motifs, and identified potential heat shock elements (HSEs) in promoters of Hsp genes. The expression analysis showed that most Hsp genes, but not all, were involved in transcriptional response to temperature and salinity challenges in a duration- and stress-specific pattern, and the maximum amplitude of induction occurred in Hsp70-4 after 1-h of high temperature treatment. However, the Hsf gene was scarcely induced and limited interactions were predicted between Hsp and Hsf genes. Our study provide the first systematic genome-wide analysis of Hsp and Hsf family in the marine invasive model ascidian, and our results are expected to dissect Hsp-based molecular mechanisms responsible for extreme environmental adaptation using Ciona as a model system.
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Affiliation(s)
- Xuena Huang
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China
| | - Shiguo Li
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China
| | - Yangchun Gao
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China
| | - Aibin Zhan
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China
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166
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Martinez MA, Baack EJ, Hovick SM, Whitney KD. A reassessment of the genome size-invasiveness relationship in reed canarygrass (Phalaris arundinacea). ANNALS OF BOTANY 2018; 121:1309-1318. [PMID: 29534147 PMCID: PMC6007324 DOI: 10.1093/aob/mcy028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 02/16/2018] [Indexed: 06/13/2023]
Abstract
Background and Aims Genome size is hypothesized to affect invasiveness in plants. Key evidence comes from a previous study of invasive eastern North American populations of the grass Phalaris arundinacea: invasive genotypes with smaller genomes had higher growth rates, and genome sizes were smaller in the invasive vs. native range. This study aimed to re-investigate those patterns by examining a broader range of North American populations and by employing the modern best-practice protocol for plant genome size estimation in addition to the previously used protocol. Methods Genome sizes were measured using both internal and pseudo-internal standardization protocols for 20 invasive and nine native range accessions of P. arundinacea. After a round of vegetative propagation to reduce maternal environmental effects, growth (stem elongation) rates of these accessions were measured in the greenhouse. Key Results Using the best-practice protocol, there was no evidence of a correlation between genome size and growth rates (P = 0.704), and no evidence for differences in genome sizes of invasive and native range accessions (P > 0.353). However, using the older genome size estimation protocol, both relationships were significant (reproducing the results of the previous study). Conclusions Genome size reduction has not driven increased invasiveness in a broad sample of North American P. arundinacea. Further, inappropriate genome size estimation techniques can create spurious correlations between genome size and plant traits such as growth rate. Valid estimation is vital to progress in understanding the potentially widespread effects of genome size on biological processes and patterns.
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Affiliation(s)
- Megan A Martinez
- Department of Biology, University of New Mexico, Albuquerque, NM USA
| | - Eric J Baack
- Department of Biology, Luther College, Decorah, IA USA
| | - Stephen M Hovick
- Department of Evolution, Ecology, and Organismal Biology, The Ohio State University, Columbus, OH USA
| | - Kenneth D Whitney
- Department of Biology, University of New Mexico, Albuquerque, NM USA
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167
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Successful worldwide invasion of the veined rapa whelk, Rapana venosa, despite a dramatic genetic bottleneck. Biol Invasions 2018. [DOI: 10.1007/s10530-018-1774-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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168
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Hasselman DJ, Bentzen P, Narum SR, Quinn TP. Formation of population genetic structure following the introduction and establishment of non-native American shad (Alosa sapidissima) along the Pacific Coast of North America. Biol Invasions 2018. [DOI: 10.1007/s10530-018-1763-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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169
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Bourne SD, Hudson J, Holman LE, Rius M. Marine Invasion Genomics: Revealing Ecological and Evolutionary Consequences of Biological Invasions. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/13836_2018_21] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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170
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Evolution of invasiveness by genetic accommodation. Nat Ecol Evol 2018; 2:991-999. [DOI: 10.1038/s41559-018-0553-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 04/03/2018] [Indexed: 11/09/2022]
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171
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Pickett T, David AA. Global connectivity patterns of the notoriously invasive mussel, Mytilus galloprovincialis Lmk using archived CO1 sequence data. BMC Res Notes 2018; 11:231. [PMID: 29615118 PMCID: PMC5883410 DOI: 10.1186/s13104-018-3328-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 03/24/2018] [Indexed: 01/26/2023] Open
Abstract
Objective The invasive mussel, Mytilus galloprovincialis has established invasive populations across the globe and in some regions, have completely displaced native mussels through competitive exclusion. The objective of this study was to elucidate global connectivity patterns of M. galloprovincialis strictly using archived cytochrome c oxidase 1 sequence data obtained from public databases. Through exhaustive mining and the development of a systematic workflow, we compiled the most comprehensive global CO1 dataset for M. galloprovincialis thus far, consisting of 209 sequences representing 14 populations. Haplotype networks were constructed and genetic differentiation was assessed using pairwise analysis of molecular variance. Results There was significant genetic structuring across populations with significant geographic patterning of haplotypes. In particular, South Korea, South China, Turkey and Australasia appear to be the most genetically isolated populations. However, we were unable to recover a northern and southern hemisphere grouping for M. galloprovincialis as was found in previous studies. These results suggest a complex dispersal pattern for M. galloprovincialis driven by several contributors including both natural and anthropogenic dispersal mechanisms along with the possibility of potential hybridization and ancient vicariance events. Electronic supplementary material The online version of this article (10.1186/s13104-018-3328-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Thomas Pickett
- Department of Biology, Clarkson University, Potsdam, NY, 13699, USA
| | - Andrew A David
- Department of Biology, Clarkson University, Potsdam, NY, 13699, USA.
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172
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Pélissié B, Crossley MS, Cohen ZP, Schoville SD. Rapid evolution in insect pests: the importance of space and time in population genomics studies. CURRENT OPINION IN INSECT SCIENCE 2018; 26:8-16. [PMID: 29764665 DOI: 10.1016/j.cois.2017.12.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 12/28/2017] [Accepted: 12/31/2017] [Indexed: 06/08/2023]
Abstract
Pest species in agroecosystems often exhibit patterns of rapid evolution to environmental and human-imposed selection pressures. Although the role of adaptive processes is well accepted, few insect pests have been studied in detail and most research has focused on selection at insecticide resistance candidate genes. Emerging genomic datasets provide opportunities to detect and quantify selection in insect pest populations, and address long-standing questions about mechanisms underlying rapid evolutionary change. We examine the strengths of recent studies that stratify population samples both in space (along environmental gradients and comparing ancestral vs. derived populations) and in time (using chronological sampling, museum specimens and comparative phylogenomics), resulting in critical insights on evolutionary processes, and providing new directions for studying pests in agroecosystems.
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Affiliation(s)
- Benjamin Pélissié
- University of Wisconsin-Madison, Department of Entomology, 1630 Linden Drive, 637-643 Russell Labs, Madison, WI 53706, USA.
| | - Michael S Crossley
- University of Wisconsin-Madison, Department of Entomology, 1630 Linden Drive, 637-643 Russell Labs, Madison, WI 53706, USA
| | - Zachary Paul Cohen
- University of Wisconsin-Madison, Department of Entomology, 1630 Linden Drive, 637-643 Russell Labs, Madison, WI 53706, USA
| | - Sean D Schoville
- University of Wisconsin-Madison, Department of Entomology, 1630 Linden Drive, 637-643 Russell Labs, Madison, WI 53706, USA
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173
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Li HS, Zou SJ, De Clercq P, Pang H. Population admixture can enhance establishment success of the introduced biological control agent Cryptolaemus montrouzieri. BMC Evol Biol 2018; 18:36. [PMID: 29580229 PMCID: PMC5870924 DOI: 10.1186/s12862-018-1158-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 03/19/2018] [Indexed: 11/15/2022] Open
Abstract
Background Introduced biological control agents have opportunities of population admixture through multiple introductions in the field. However, the importance of population admixture for their establishment success often remains unclear. Previous studies based on genetic markers have suggested a history of population admixture in the predatory ladybird Cryptolaemus montrouzieri Mulsant in China. Results We tested whether population admixture may lead to fitness changes under laboratory conditions. We first found no mating barrier or strong bias between two parental populations, despite their differences in genetics and phenotypes. Then, our experimental evidence supported the hypothesis that admixed populations have a higher potential of establishment success, due to their superior reproductive ability, and hunger and cold tolerance inherited from one of the parental populations. Conclusions We suggest that population admixture can be a breeding method to improve the performance of biological control agents, particularly when used in a classical biological control approach, but that consequences for potential invasiveness need to be considered.
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Affiliation(s)
- Hao-Sen Li
- State Key Laboratory of Biocontrol, Ecology and Evolution, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
| | - Shang-Jun Zou
- State Key Laboratory of Biocontrol, Ecology and Evolution, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China
| | - Patrick De Clercq
- Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Hong Pang
- State Key Laboratory of Biocontrol, Ecology and Evolution, School of Life Sciences, Sun Yat-sen University, Guangzhou, 510275, Guangdong, China.
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174
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Shi J, Macel M, Tielbörger K, Verhoeven KJF. Effects of admixture in native and invasive populations of Lythrum salicaria. Biol Invasions 2018; 20:2381-2393. [PMID: 30956538 PMCID: PMC6417435 DOI: 10.1007/s10530-018-1707-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 03/13/2018] [Indexed: 11/30/2022]
Abstract
Intraspecific hybridization between diverged populations can enhance fitness via various genetic mechanisms. The benefits of such admixture have been proposed to be particularly relevant in biological invasions, when invasive populations originating from different source populations are found sympatrically. However, it remains poorly understood if admixture is an important contributor to plant invasive success and how admixture effects compare between invasive and native ranges. Here, we used experimental crosses in Lythrum salicaria, a species with well-established history of multiple introductions to Eastern North America, to quantify and compare admixture effects in native European and invasive North American populations. We observed heterosis in between-population crosses both in native and invasive ranges. However, invasive-range heterosis was restricted to crosses between two different Eastern and Western invasion fronts, whereas heterosis was absent in geographically distant crosses within a single large invasion front. Our results suggest that multiple introductions have led to already-admixed invasion fronts, such that experimental crosses do not further increase performance, but that contact between different invasion fronts further enhances fitness after admixture. Thus, intra-continental movement of invasive plants in their introduced range has the potential to boost invasiveness even in well-established and successfully spreading invasive species.
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Affiliation(s)
- Jun Shi
- 1Institute of Ecology and Evolution, Plant Ecology Group, University of Tübingen, 72076 Tübingen, Germany.,2Ningbo Academy of Agricultural Sciences, Ningbo, 315040 China
| | - Mirka Macel
- 1Institute of Ecology and Evolution, Plant Ecology Group, University of Tübingen, 72076 Tübingen, Germany.,3Department of Plant Science, Radboud University Nijmegen, P.O. Box 9010, 6500 NL Nijmegen, Netherlands
| | - Katja Tielbörger
- 1Institute of Ecology and Evolution, Plant Ecology Group, University of Tübingen, 72076 Tübingen, Germany
| | - Koen J F Verhoeven
- 4Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB Wageningen, Netherlands
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175
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Jain MS, Kalamdhad AS. A review on management of Hydrilla verticillata and its utilization as potential nitrogen-rich biomass for compost or biogas production. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/j.biteb.2018.03.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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176
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Rouifed S, Puijalon S, Bardon C, Meiffren G, Buonomo A, Sebei N, Poussineau S, Vallier F, Shimoda M, Piola F. Comparison of defence and performance traits between one widespread clone and native populations in a major invasive plant species. DIVERS DISTRIB 2018. [DOI: 10.1111/ddi.12690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Affiliation(s)
- Soraya Rouifed
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Sara Puijalon
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Clément Bardon
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Guillaume Meiffren
- CNRS UMR5557; Ecologie Microbienne; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Antoine Buonomo
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Nadia Sebei
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Sophie Poussineau
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Félix Vallier
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
| | - Michiko Shimoda
- Faculty of Social Environment; Tokoha University; Fuji Shizuoka Japan
| | - Florence Piola
- CNRS, ENTPE, UMR5023, LEHNA; Université Lyon 1, Villeurbanne; Villeurbanne Cedex France
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177
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Genetic diversity of a hitchhiker and prized food source in the Anthropocene: the Asian green mussel Perna viridis (Mollusca, Mytilidae). Biol Invasions 2018. [DOI: 10.1007/s10530-018-1659-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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178
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179
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Briski E, Chan FT, Darling JA, Lauringson V, MacIsaac HJ, Zhan A, Bailey SA. Beyond propagule pressure: importance of selection during the transport stage of biological invasions. FRONTIERS IN ECOLOGY AND THE ENVIRONMENT 2018; 16:345-353. [PMID: 31942166 PMCID: PMC6961837 DOI: 10.1002/fee.1820] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Biological invasions are largely considered to be a "numbers game", wherein the larger the introduction effort, the greater the probability that an introduced population will become established. However, conditions during transport - an early stage of the invasion - can be particularly harsh, thereby greatly reducing the size of a population available to establish in a new region. Some successful non-indigenous species are more tolerant of environmental and anthropogenic stressors than related native species, possibly stemming from selection (ie survival of only pre-adapted individuals for particular environmental conditions) during the invasion process. By reviewing current literature concerning population genetics and consequences of selection on population fitness, we propose that selection acting on transported populations can facilitate local adaptation, which may result in a greater likelihood of invasion than predicted by propagule pressure alone. Specifically, we suggest that detailed surveys should be conducted to determine interactions between molecular mechanisms and demographic factors, given that current management strategies may underestimate invasion risk.
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Affiliation(s)
- Elizabeta Briski
- GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel, Germany
- ()
| | - Farrah T Chan
- Great Lakes Laboratory for Fisheries and Aquatic Sciences, Fisheries and Oceans Canada, Burlington, Canada
| | - John A Darling
- National Exposure Research Laboratory, US Environmental Protection Agency, Research Triangle Park, NC
| | | | - Hugh J MacIsaac
- Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Canada
| | - Aibin Zhan
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
| | - Sarah A Bailey
- Great Lakes Laboratory for Fisheries and Aquatic Sciences, Fisheries and Oceans Canada, Burlington, Canada
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180
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Rosche C, Hensen I, Lachmuth S. Local pre-adaptation to disturbance and inbreeding-environment interactions affect colonisation abilities of diploid and tetraploid Centaurea stoebe. PLANT BIOLOGY (STUTTGART, GERMANY) 2018; 20:75-84. [PMID: 28921779 DOI: 10.1111/plb.12628] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 09/13/2017] [Indexed: 05/28/2023]
Abstract
Primary colonisation in invasive ranges most commonly occurs in disturbed habitats, where anthropogenic disturbance may cause physical damage to plants. The tolerance to such damage may differ between cytotypes and among populations as a result of differing population histories (adaptive differentiation between ruderal verus natural habitats). Moreover, founder populations often experience inbreeding depression, the effects of which may increase through physical damage due to inbreeding-environment interactions. We aimed to understand how such colonisation processes differ between diploid and tetraploid Centaurea stoebe populations, with a view to understanding why only tetraploids are invasive. We conducted a clipping experiment (frequency: zero, once or twice in the growing season) on inbred versus outbred offspring originating from 37 C. stoebe populations of varying cytotype, range and habitat type (natural versus ruderal). Aboveground biomass was harvested at the end of the vegetation period, while re-sprouting success was recorded in the following spring. Clipping reduced re-sprouting success and biomass, which was significantly more pronounced in natural than in ruderal populations. Inbreeding depression was not detected under benign conditions, but became increasingly apparent in biomass when plants were clipped. The effects of clipping and inbreeding did not differ between cytotypes. Adaptive differentiation in disturbance tolerance was higher among populations than between cytotypes, which highlights the potential of pre-adaptation in ruderal populations during early colonisation on anthropogenically disturbed sites. While the consequences of inbreeding increased through clipping-mediated stress, they were comparable between cytotypes, and consequently do not contribute to understanding the cytotype shift in the invasive range.
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Affiliation(s)
- C Rosche
- Institute of Biology/Geobotany and Botanical Garden, Martin Luther University Halle-Wittenberg, Halle, Germany
- UfU - Independent Institute for Environmental Issues, Berlin, Germany
| | - I Hensen
- Institute of Biology/Geobotany and Botanical Garden, Martin Luther University Halle-Wittenberg, Halle, Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
| | - S Lachmuth
- Institute of Biology/Geobotany and Botanical Garden, Martin Luther University Halle-Wittenberg, Halle, Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
- Department of Plant Biology, University of Vermont, Burlington, VT, USA
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181
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Low GW, Chattopadhyay B, Garg KM, Irestedt M, Ericson P, Yap G, Tang Q, Wu S, Rheindt FE. Urban landscape genomics identifies fine-scale gene flow patterns in an avian invasive. Heredity (Edinb) 2018; 120:138-153. [PMID: 29225353 PMCID: PMC5837122 DOI: 10.1038/s41437-017-0026-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 10/13/2017] [Accepted: 10/19/2017] [Indexed: 11/09/2022] Open
Abstract
Invasive species exert a serious impact on native fauna and flora and have been the target of many eradication and management efforts worldwide. However, a lack of data on population structure and history, exacerbated by the recency of many species introductions, limits the efficiency with which such species can be kept at bay. In this study we generated a novel genome of high assembly quality and genotyped 4735 genome-wide single nucleotide polymorphic (SNP) markers from 78 individuals of an invasive population of the Javan Myna Acridotheres javanicus across the island of Singapore. We inferred limited population subdivision at a micro-geographic level, a genetic patch size (~13-14 km) indicative of a pronounced dispersal ability, and barely an increase in effective population size since introduction despite an increase of four to five orders of magnitude in actual population size, suggesting that low population-genetic diversity following a bottleneck has not impeded establishment success. Landscape genomic analyses identified urban features, such as low-rise neighborhoods, that constitute pronounced barriers to gene flow. Based on our data, we consider an approach targeting the complete eradication of Javan Mynas across Singapore to be unfeasible. Instead, a mixed approach of localized mitigation measures taking into account urban geographic features and planning policy may be the most promising avenue to reducing the adverse impacts of this urban pest. Our study demonstrates how genomic methods can directly inform the management and control of invasive species, even in geographically limited datasets with high gene flow rates.
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Affiliation(s)
- G W Low
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore.
| | - B Chattopadhyay
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
| | - K M Garg
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
| | - M Irestedt
- Department of Bioinformatics and Genetics, Swedish Museum of Natural History, Frescativägen 54, Plan 3, Stockholm, 114018, Sweden
| | - Pgp Ericson
- Department of Zoology, Swedish Museum of Natural History, Frescativägen 54, Plan 3, Stockholm, 114018, Sweden
| | - G Yap
- Environmental Health Institute, National Environment Agency, 11 Biopolis Way, Singapore, 138667, Singapore
| | - Q Tang
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore
| | - S Wu
- Jiangsu Key Laboratory of Phylogenomics & Comparative Genomics, School of Life Sciences, Jiangsu Normal University, 101 Shanghai Road, Xuzhou, Jiangsu, 221116, China
| | - F E Rheindt
- Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117543, Singapore.
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182
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Sherpa S, Rioux D, Pougnet-Lagarde C, Després L. Genetic diversity and distribution differ between long-established and recently introduced populations in the invasive mosquito Aedes albopictus. INFECTION GENETICS AND EVOLUTION 2017; 58:145-156. [PMID: 29275191 DOI: 10.1016/j.meegid.2017.12.018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 12/04/2017] [Accepted: 12/20/2017] [Indexed: 12/14/2022]
Abstract
The Asian tiger mosquito Aedes albopictus, native to South-eastern Asia, is currently the most invasive mosquito in the world. The spatio-temporal dynamics of its expansion through the genetic characterization of invasive populations has been challenged so far by the limited number of genetic markers variable enough to infer the genetic structure in recently invaded areas. Here we applied the double-digest Restriction-site Associated DNA sequencing method (ddRADseq) to mosquitoes collected in two invaded areas, Reunion Island (12 localities) and Europe (18 localities). Analyses of genetic diversity, Bayesian clustering, Maximum Likelihood inference and isolation-by-distance tests based on 1561 genome-wide distributed Single Nucleotide Polymorphisms (SNPs) revealed that Reunion Island and Europe form two distinct genetic clusters, supporting no contemporary gene flow and suggesting two different and independent invasion histories. Long-established populations (Reunion Island) were more genetically diverse than recently introduced European populations. The largest part of genetic variance was found at the intra-individual level (>85%) and most FIS values were positive, suggesting inbreeding at the local scale. The two invaded areas showed contrasting patterns of genetic structure. Significant isolation-by-distance was found among Reunion Island populations, suggesting that these populations are at the drift-migration equilibrium. In contrast, long-distance human-assisted transport is probably the main dispersal mechanism in Europe.
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Affiliation(s)
- Stéphanie Sherpa
- Laboratoire d'Ecologie Alpine, CNRS UMR 5553, Université Grenoble Alpes, Grenoble, France
| | - Delphine Rioux
- Laboratoire d'Ecologie Alpine, CNRS UMR 5553, Université Grenoble Alpes, Grenoble, France
| | | | - Laurence Després
- Laboratoire d'Ecologie Alpine, CNRS UMR 5553, Université Grenoble Alpes, Grenoble, France.
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183
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Porter SS, Faber-Hammond JJ, Friesen ML. Co-invading symbiotic mutualists of Medicago polymorpha retain high ancestral diversity and contain diverse accessory genomes. FEMS Microbiol Ecol 2017; 94:4705886. [DOI: 10.1093/femsec/fix168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 11/29/2017] [Indexed: 02/06/2023] Open
Affiliation(s)
- Stephanie S Porter
- School of Biological Sciences, Washington State University, 14204 NE Salmon Creek Ave, Vancouver, WA 98686, USA
| | - Joshua J Faber-Hammond
- School of Biological Sciences, Washington State University, 14204 NE Salmon Creek Ave, Vancouver, WA 98686, USA
| | - Maren L Friesen
- Department of Plant Biology, Michigan State University, 612 Wilson Road, East Lansing, MI, 48824, USA
- Department of Plant Pathology, Washington State University, P.O. Box 646430 Pullman, WA 99164, USA
- Department of Crop and Soil Sciences, Washington State University, P.O. Box 646420 Pullman, WA 99164, USA
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184
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Wódkiewicz M, Chwedorzewska KJ, Bednarek PT, Znój A, Androsiuk P, Galera H. How much of the invader's genetic variability can slip between our fingers? A case study of secondary dispersal of Poa annua on King George Island (Antarctica). Ecol Evol 2017; 8:592-600. [PMID: 29321896 PMCID: PMC5756844 DOI: 10.1002/ece3.3675] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 10/24/2017] [Accepted: 11/08/2017] [Indexed: 01/13/2023] Open
Abstract
We studied an invasion of Poa annua on King George Island (Maritime Antarctic). The remoteness of this location, its geographic isolation, and its limited human traffic provided an opportunity to trace the history of an invasion of the species. Poa annua was recorded for the first time at H. Arctowski Polish Antarctic Station in the austral summer of 1985/6. In 2008/9, the species was observed in a new locality at the Ecology Glacier Forefield (1.5 km from “Arctowski”). We used AFLP to analyze the genetic differences among three populations of P. annua: the two mentioned above (Station and Forefield) and the putative origin of the introduction, Warsaw (Poland). There was 38% genetic variance among the populations. Pairwise ФPT was 0.498 between the Forefield and Warsaw populations and 0.283 between Warsaw and Station. There were 15 unique bands in the Warsaw population (frequency from 6% to 100%) and one in the Station/Forefield populations (which appears in all analyzed individuals from both populations). The Δ(K) parameter indicated two groups of samples: Warsaw/Station and Forefield. As indicated by Fu's Fs statistics and an analysis of mismatch distribution, the Forefield population underwent a bottleneck and/or founder effect. The Forefield population was likely introduced by secondary dispersal from the Station population.
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Affiliation(s)
- Maciej Wódkiewicz
- Biological and Chemical Research Centre Faculty of Biology University of Warsaw Warsaw Poland
| | | | - Piotr T Bednarek
- Plant Breeding and Acclimatization Institute - National Research Institute Błonie Poland
| | - Anna Znój
- Institute of Biochemistry and Biophysics Polish Academy of Sciences Warsaw Poland
| | - Piotr Androsiuk
- Department of Plant Physiology, Genetics and Biotechnology University of Warmia and Mazury in Olsztyn Olsztyn Poland
| | - Halina Galera
- Biological and Chemical Research Centre Faculty of Biology University of Warsaw Warsaw Poland
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185
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Krzemińska U, Morales HE, Greening C, Nyári ÁS, Wilson R, Song BK, Austin CM, Sunnucks P, Pavlova A, Rahman S. Population mitogenomics provides insights into evolutionary history, source of invasions and diversifying selection in the House Crow (Corvus splendens). Heredity (Edinb) 2017; 120:296-309. [PMID: 29180719 DOI: 10.1038/s41437-017-0020-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 10/04/2017] [Accepted: 10/06/2017] [Indexed: 11/09/2022] Open
Abstract
The House Crow (Corvus splendens) is a useful study system for investigating the genetic basis of adaptations underpinning successful range expansion. The species originates from the Indian subcontinent, but has successfully spread through a variety of thermal environments across Asia, Africa and Europe. Here, population mitogenomics was used to investigate the colonisation history and to test for signals of molecular selection on the mitochondrial genome. We sequenced the mitogenomes of 89 House Crows spanning four native and five invasive populations. A Bayesian dated phylogeny, based on the 13 mitochondrial protein-coding genes, supports a mid-Pleistocene (~630,000 years ago) divergence between the most distant genetic lineages. Phylogeographic patterns suggest that northern South Asia is the likely centre of origin for the species. Codon-based analyses of selection and assessments of changes in amino acid properties provide evidence of positive selection on the ND2 and ND5 genes against a background of purifying selection across the mitogenome. Protein homology modelling suggests that four amino acid substitutions inferred to be under positive selection may modulate coupling efficiency and proton translocation mediated by OXPHOS complex I. The identified substitutions are found within native House Crow lineages and ecological niche modelling predicts suitable climatic areas for the establishment of crow populations within the invasive range. Mitogenomic patterns in the invasive range of the species are more strongly associated with introduction history than climate. We speculate that invasions of the House Crow have been facilitated by standing genetic variation that accumulated due to diversifying selection within the native range.
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Affiliation(s)
- Urszula Krzemińska
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia. .,Monash University Malaysia Genomics Facility, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia. .,Department of Genetics and Animal Breeding, Faculty of Animal Sciences, Warsaw University of Life Sciences SGGW, Warsaw, Poland.
| | - Hernán E Morales
- School of Biological Sciences, Monash University, Clayton Campus, Clayton, VIC, 3800, Australia.,Department of Marine Sciences, University of Gothenburg, Box 461, Göteborg, SE 405 30, Sweden
| | - Chris Greening
- School of Biological Sciences, Monash University, Clayton Campus, Clayton, VIC, 3800, Australia
| | - Árpád S Nyári
- Department of Ecology and Evolutionary Biology, The University of Tennessee, 569 Dabney Hall, Knoxville, TN, 37996-1610, USA
| | - Robyn Wilson
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia.,Monash University Malaysia Genomics Facility, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia
| | - Beng Kah Song
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia.,Monash University Malaysia Genomics Facility, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia
| | - Christopher M Austin
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia.,Monash University Malaysia Genomics Facility, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia.,School of Life and Environmental Sciences, Deakin University, Geelong, VIC, 3220, Australia
| | - Paul Sunnucks
- School of Biological Sciences, Monash University, Clayton Campus, Clayton, VIC, 3800, Australia
| | - Alexandra Pavlova
- School of Biological Sciences, Monash University, Clayton Campus, Clayton, VIC, 3800, Australia
| | - Sadequr Rahman
- School of Science, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia.,Monash University Malaysia Genomics Facility, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500, Petaling Jaya, Selangor, Malaysia
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186
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Canales-Aguirre CB, Seeb LW, Seeb JE, Cádiz MI, Musleh SS, Arismendi I, Gajardo G, Galleguillos R, Gomez-Uchida D. Contrasting genetic metrics and patterns among naturalized rainbow trout ( Oncorhynchus mykiss) in two Patagonian lakes differentially impacted by trout aquaculture. Ecol Evol 2017; 8:273-285. [PMID: 29321870 PMCID: PMC5756871 DOI: 10.1002/ece3.3574] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 10/01/2017] [Accepted: 10/04/2017] [Indexed: 11/29/2022] Open
Abstract
Different pathways of propagation and dispersal of non‐native species into new environments may have contrasting demographic and genetic impacts on established populations. Repeated introductions of rainbow trout (Oncorhynchus mykiss) to Chile in South America, initially through stocking and later through aquaculture escapes, provide a unique setting to contrast these two pathways. Using a panel of single nucleotide polymorphisms, we found contrasting genetic metrics and patterns among naturalized trout in Lake Llanquihue, Chile's largest producer of salmonid smolts for nearly 50 years, and Lake Todos Los Santos (TLS), a reference lake where aquaculture has been prohibited by law. Trout from Lake Llanquihue showed higher genetic diversity, weaker genetic structure, and larger estimates for the effective number of breeders (Nb) than trout from Lake TLS. Trout from Lake TLS were divergent from Lake Llanquihue and showed marked genetic structure and a significant isolation‐by‐distance pattern consistent with secondary contact between documented and undocumented stocking events in opposite shores of the lake. Multiple factors, including differences in propagule pressure, origin of donor populations, lake geomorphology, habitat quality or quantity, and life history, may help explain contrasting genetic metrics and patterns for trout between lakes. We contend that high propagule pressure from aquaculture may not only increase genetic diversity and Nb via demographic effects and admixture, but also may impact the evolution of genetic structure and increase gene flow, consistent with findings from artificially propagated salmonid populations in their native and naturalized ranges.
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Affiliation(s)
- Cristian B Canales-Aguirre
- Genomics in Ecology, Evolution and Conservation Lab (GEECLAB) Departamento de Zoología Universidad de Concepción Concepción Chile.,Laboratorio de Genética y Acuicultura Departamento de Oceanografía Facultad de Ciencias Naturales y Oceanográficas Universidad de Concepción Concepción Chile.,Nucleo Milenio INVASAL Concepción Chile.,Centro i-mar Universidad de Los Lagos Camino Chinquihue 6 km Puerto Montt Chile
| | - Lisa W Seeb
- Nucleo Milenio INVASAL Concepción Chile.,School of Aquatic and Fishery Sciences University of Washington Seattle WA USA
| | - James E Seeb
- Nucleo Milenio INVASAL Concepción Chile.,School of Aquatic and Fishery Sciences University of Washington Seattle WA USA
| | - María I Cádiz
- Genomics in Ecology, Evolution and Conservation Lab (GEECLAB) Departamento de Zoología Universidad de Concepción Concepción Chile
| | - Selim S Musleh
- Genomics in Ecology, Evolution and Conservation Lab (GEECLAB) Departamento de Zoología Universidad de Concepción Concepción Chile.,Nucleo Milenio INVASAL Concepción Chile
| | - Ivan Arismendi
- Department of Fisheries and Wildlife Oregon State University Corvallis OR USA
| | - Gonzalo Gajardo
- Laboratorio de Genética, Acuicultura & Biodiversidad Universidad de Los Lagos Osorno Chile
| | - Ricardo Galleguillos
- Laboratorio de Genética y Acuicultura Departamento de Oceanografía Facultad de Ciencias Naturales y Oceanográficas Universidad de Concepción Concepción Chile
| | - Daniel Gomez-Uchida
- Genomics in Ecology, Evolution and Conservation Lab (GEECLAB) Departamento de Zoología Universidad de Concepción Concepción Chile.,Nucleo Milenio INVASAL Concepción Chile.,Centro i-mar Universidad de Los Lagos Camino Chinquihue 6 km Puerto Montt Chile
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187
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Wang G, Hou Y, Zhang X, Zhang J, Li J, Chen Z. Strong population genetic structure of an invasive species, Rhynchophorus ferrugineus (Olivier), in southern China. Ecol Evol 2017; 7:10770-10781. [PMID: 29299256 PMCID: PMC5743574 DOI: 10.1002/ece3.3599] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 08/31/2017] [Accepted: 10/11/2017] [Indexed: 11/22/2022] Open
Abstract
The red palm weevil (RPW), Rhynchophorus ferrugineus (Olivier), was initially reported in China in the 1990s and is now considered one of the most successful invasive pests of palm plants in the country. A total of 14 microsatellite loci and one mitochondrial cytochrome oxidase subunit Ι (cox I) gene fragment were used to investigate the genetic characteristics and structure of R. ferrugineus in southern China. High levels of genetic differentiation among populations and significant correlations between genetic and geographical distances indicated an important role of geographical distance in the distribution of the RPW in southern China. High gene flow between Fujian and Taiwan province populations illustrated the increased effects of frequent anthropogenic activities on gene flow between them. Genetic similarity (i.e., haplotype similarity) indicated that RPW individuals from Taiwan and Fujian invaded from a different source than those from Hainan. To some extent, the genetic structure of the RPW in southern China correlated well with the geographic origins of this pest. We propose that geographical distance, anthropogenic activities, and the biological attributes of this pest are responsible for the distribution pattern of the RPW in southern China. The phylogenetic analysis suggests that the most likely native sources of the RPW in southern China are India, the Philippines, and Vietnam.
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Affiliation(s)
- Guihua Wang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Fujian Agriculture and Forestry University Fuzhou China.,Fujian Province Key Laboratory of Insect Ecology College of Plant Protection Fujian Agriculture and Forestry University Fuzhou China
| | - Youming Hou
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Fujian Agriculture and Forestry University Fuzhou China.,Fujian Province Key Laboratory of Insect Ecology College of Plant Protection Fujian Agriculture and Forestry University Fuzhou China
| | - Xiang Zhang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Fujian Agriculture and Forestry University Fuzhou China.,Fujian Province Key Laboratory of Insect Ecology College of Plant Protection Fujian Agriculture and Forestry University Fuzhou China
| | - Jie Zhang
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Fujian Agriculture and Forestry University Fuzhou China.,Fujian Province Key Laboratory of Insect Ecology College of Plant Protection Fujian Agriculture and Forestry University Fuzhou China
| | - Jinlei Li
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops Fujian Agriculture and Forestry University Fuzhou China.,Fujian Province Key Laboratory of Insect Ecology College of Plant Protection Fujian Agriculture and Forestry University Fuzhou China
| | - Zhiming Chen
- Fuzhou Entry-Exit Inspection & Quarantine Bureau of P.R.C. Fuzhou China
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188
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Ben-Shlomo R. Invasiveness, chimerism and genetic diversity. Mol Ecol 2017; 26:6502-6509. [PMID: 28950415 DOI: 10.1111/mec.14364] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 08/11/2017] [Accepted: 09/13/2017] [Indexed: 01/09/2023]
Abstract
Adaptation for invasiveness should comprise the capability to exploit and prosper in a wide range of ecological conditions and is therefore expected to be associated with a certain level of genetic diversity. Paradoxically, however, invasive populations are established by only a few founders, resulting in low genetic diversity. As a conceivable way of attaining high genetic diversity and high variance of gene expression even when a small number of founders is involved in invasiveness, I suggest here chimerism, a fusion between different individuals-a common phenomenon found in numerous phyla. The composite entity offers the chimeric organism genetic flexibility and higher inclusive fitness that depends on the joint genomic fitness of the original partners. The ability to form a chimeric entity is also applied to subsequent generations, and consequently, the level of genetic diversity does not decline over generations of population establishment following invasion.
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Affiliation(s)
- Rachel Ben-Shlomo
- Department of Biology and the Environment, University of Haifa - Oranim, Tivon, Israel
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189
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Mueller JC, Edelaar P, Baños-Villalba A, Carrete M, Potti J, Blas J, Tella JL, Kempenaers B. Selection on a behaviour-related gene during the first stages of the biological invasion pathway. Mol Ecol 2017; 26:6110-6121. [PMID: 28926158 DOI: 10.1111/mec.14353] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 08/30/2017] [Accepted: 09/05/2017] [Indexed: 01/22/2023]
Abstract
Human-induced biological invasions are common worldwide and often have negative impacts on wildlife and human societies. Several studies have shown evidence for selection on invaders after introduction to the new range. However, selective processes already acting prior to introduction have been largely neglected. Here, we tested whether such early selection acts on known behaviour-related gene variants in the yellow-crowned bishop (Euplectes afer), a pet-traded African songbird. We tested for nonrandom allele frequency changes after trapping, acclimation and survival in captivity. We also compared the native source population with two independent invasive populations. Allele frequencies of two SNPs in the dopamine receptor D4 (DRD4) gene-known to be linked to behavioural activity in response to novelty in this species-significantly changed over all early invasion stages. They also differed between the African native population and the two invading European populations. The two-locus genotype associated with reduced activity declined consistently, but strongest at the trapping stage. Overall genetic diversity did not substantially decrease, and there is little evidence for new alleles in the introduced populations, indicating that selection at the DRD4 gene predominantly worked on the standing genetic variation already present in the native population. Our study demonstrates selection on a behaviour-related gene during the first stages of a biological invasion. Thus, pre-establishment stages of a biological invasion do not only determine the number of propagules that are introduced (their quantity), but also their phenotypic and genetic characteristics (their quality).
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Affiliation(s)
- Jakob C Mueller
- Department of Behavioural Ecology & Evolutionary Genetics, Max Planck Institute for Ornithology, Seewiesen, Germany
| | - Pim Edelaar
- Department of Molecular Biology and Biochemical Engineering, University Pablo de Olavide, Sevilla, Spain
| | - Adrián Baños-Villalba
- Department of Molecular Biology and Biochemical Engineering, University Pablo de Olavide, Sevilla, Spain
| | - Martina Carrete
- Department of Conservation Biology, Estación Biológica de Doñana - CSIC, Sevilla, Spain.,Department of Physical, Chemical and Natural Systems, University Pablo de Olavide, Sevilla, Spain
| | - Jaime Potti
- Department of Evolutionary Ecology, Estación Biológica de Doñana - CSIC, Sevilla, Spain
| | - Julio Blas
- Department of Conservation Biology, Estación Biológica de Doñana - CSIC, Sevilla, Spain
| | - Jose Luis Tella
- Department of Conservation Biology, Estación Biológica de Doñana - CSIC, Sevilla, Spain
| | - Bart Kempenaers
- Department of Behavioural Ecology & Evolutionary Genetics, Max Planck Institute for Ornithology, Seewiesen, Germany
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190
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Baltazar‐Soares M, Paiva F, Chen Y, Zhan A, Briski E. Diversity and distribution of genetic variation in gammarids: Comparing patterns between invasive and non-invasive species. Ecol Evol 2017; 7:7687-7698. [PMID: 29043025 PMCID: PMC5632605 DOI: 10.1002/ece3.3208] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 06/01/2017] [Accepted: 06/06/2017] [Indexed: 01/16/2023] Open
Abstract
Biological invasions are worldwide phenomena that have reached alarming levels among aquatic species. There are key challenges to understand the factors behind invasion propensity of non-native populations in invasion biology. Interestingly, interpretations cannot be expanded to higher taxonomic levels due to the fact that in the same genus, there are species that are notorious invaders and those that never spread outside their native range. Such variation in invasion propensity offers the possibility to explore, at fine-scale taxonomic level, the existence of specific characteristics that might predict the variability in invasion success. In this work, we explored this possibility from a molecular perspective. The objective was to provide a better understanding of the genetic diversity distribution in the native range of species that exhibit contrasting invasive propensities. For this purpose, we used a total of 784 sequences of the cytochrome c oxidase subunit I of mitochondrial DNA (mtDNA-COI) collected from seven Gammaroidea, a superfamily of Amphipoda that includes species that are both successful invaders (Gammarus tigrinus, Pontogammarus maeoticus, and Obesogammarus crassus) and strictly restricted to their native regions (Gammarus locusta, Gammarus salinus, Gammarus zaddachi, and Gammarus oceanicus). Despite that genetic diversity did not differ between invasive and non-invasive species, we observed that populations of non-invasive species showed a higher degree of genetic differentiation. Furthermore, we found that both geographic and evolutionary distances might explain genetic differentiation in both non-native and native ranges. This suggests that the lack of population genetic structure may facilitate the distribution of mutations that despite arising in the native range may be beneficial in invasive ranges. The fact that evolutionary distances explained genetic differentiation more often than geographic distances points toward that deep lineage divergence holds an important role in the distribution of neutral genetic diversity.
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Affiliation(s)
- Miguel Baltazar‐Soares
- GEOMAR, Helmholtz‐Zentrum für Ozeanforschung KielKielGermany
- Faculty of Science and TechnologyBournemouth UniversityPooleDorsetUnited Kingdom of Great Britain and Northern Ireland
| | - Filipa Paiva
- GEOMAR, Helmholtz‐Zentrum für Ozeanforschung KielKielGermany
| | - Yiyong Chen
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
| | - Aibin Zhan
- Research Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijingChina
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191
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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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192
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Fraimout A, Debat V, Fellous S, Hufbauer RA, Foucaud J, Pudlo P, Marin JM, Price DK, Cattel J, Chen X, Deprá M, François Duyck P, Guedot C, Kenis M, Kimura MT, Loeb G, Loiseau A, Martinez-Sañudo I, Pascual M, Polihronakis Richmond M, Shearer P, Singh N, Tamura K, Xuéreb A, Zhang J, Estoup A. Deciphering the Routes of invasion of Drosophila suzukii by Means of ABC Random Forest. Mol Biol Evol 2017; 34:980-996. [PMID: 28122970 PMCID: PMC5400373 DOI: 10.1093/molbev/msx050] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Deciphering invasion routes from molecular data is crucial to understanding biological invasions, including identifying bottlenecks in population size and admixture among distinct populations. Here, we unravel the invasion routes of the invasive pest Drosophila suzukii using a multi-locus microsatellite dataset (25 loci on 23 worldwide sampling locations). To do this, we use approximate Bayesian computation (ABC), which has improved the reconstruction of invasion routes, but can be computationally expensive. We use our study to illustrate the use of a new, more efficient, ABC method, ABC random forest (ABC-RF) and compare it to a standard ABC method (ABC-LDA). We find that Japan emerges as the most probable source of the earliest recorded invasion into Hawaii. Southeast China and Hawaii together are the most probable sources of populations in western North America, which then in turn served as sources for those in eastern North America. European populations are genetically more homogeneous than North American populations, and their most probable source is northeast China, with evidence of limited gene flow from the eastern US as well. All introduced populations passed through bottlenecks, and analyses reveal five distinct admixture events. These findings can inform hypotheses concerning how this species evolved between different and independent source and invasive populations. Methodological comparisons indicate that ABC-RF and ABC-LDA show concordant results if ABC-LDA is based on a large number of simulated datasets but that ABC-RF out-performs ABC-LDA when using a comparable and more manageable number of simulated datasets, especially when analyzing complex introduction scenarios.
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Affiliation(s)
- Antoine Fraimout
- Institut de Systématique, Évolution, Biodiversité, ISYEB - UMR 7205 - CNRS, MNHN, UPMC, EPHE, Muséum national d'Histoire naturelle, Sorbonne Universités, Paris, France
| | - Vincent Debat
- Institut de Systématique, Évolution, Biodiversité, ISYEB - UMR 7205 - CNRS, MNHN, UPMC, EPHE, Muséum national d'Histoire naturelle, Sorbonne Universités, Paris, France
| | - Simon Fellous
- INRA, Centre de Biologie et de Gestion des Populations (UMR INRA IRD Cirad Montpellier SupAgro), Montferrier-Sur-Lez, France
| | - Ruth A Hufbauer
- INRA, Centre de Biologie et de Gestion des Populations (UMR INRA IRD Cirad Montpellier SupAgro), Montferrier-Sur-Lez, France.,Colorado State University, Fort Collins, CO
| | - Julien Foucaud
- INRA, Centre de Biologie et de Gestion des Populations (UMR INRA IRD Cirad Montpellier SupAgro), Montferrier-Sur-Lez, France
| | - Pierre Pudlo
- Centre de Mathématiques et Informatique, Aix-Marseille Université, Marseille, France
| | - Jean-Michel Marin
- Institut Montpelliérain Alexander Grothendieck, Université de Montpellier, Montpellier, France
| | - Donald K Price
- Tropical Conservation Biology & Environmental Science, University of Hawaii at Hilo, HI
| | - Julien Cattel
- Laboratoire de Biométrie et Biologie Evolutive, UMR CNRS 5558, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - Xiao Chen
- College of Plant Protection, Yunnan Agricultural University, Kunming, Yunnan Province, People's Republic of China
| | - Marindia Deprá
- Programa de Pós Graduação em Genética e Biologia Molecular, Programa de Pós Graduação em Biologia Animal, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | | | | | | | - Masahito T Kimura
- Graduate School of Environmental Earth Science, Hokkaido Daigaku University, Sapporo, Hokkaido Prefecture, Japan
| | - Gregory Loeb
- Department of Entomology, Cornell University, Ithaca, NY
| | - Anne Loiseau
- INRA, Centre de Biologie et de Gestion des Populations (UMR INRA IRD Cirad Montpellier SupAgro), Montferrier-Sur-Lez, France
| | - Isabel Martinez-Sañudo
- Dipartimento di Agronomia Animali Alimenti Risorse Naturali e Ambiente, Universita degli Studi di Padova, Padova, Italy
| | - Marta Pascual
- Departament de Genètica, Universitat de Barcelona, Barcelona, Spain
| | | | - Peter Shearer
- Mid-Columbia Agricultural Research and Extension Center, Oregon State University, Hood River, OR
| | - Nadia Singh
- Department of Genetics, North Carolina State University, Raleigh, NC
| | - Koichiro Tamura
- Department of Biological Sciences, Tokyo Metropolitan University, Tokyo, Japan
| | - Anne Xuéreb
- INRA, Centre de Biologie et de Gestion des Populations (UMR INRA IRD Cirad Montpellier SupAgro), Montferrier-Sur-Lez, France
| | - Jinping Zhang
- MoA-CABI Joint Laboratory for Bio-safety, Chinese Academy of Agricultural Sciences, BeiXiaGuan, Haidian Qu, China
| | - Arnaud Estoup
- INRA, Centre de Biologie et de Gestion des Populations (UMR INRA IRD Cirad Montpellier SupAgro), Montferrier-Sur-Lez, France
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193
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What Can an Invasive Species Tell Us about Evolution? A Study of Dental Variation in Disjunctive Populations of Microtus rossiaemeridionalis (Arvicolinae, Rodentia). J MAMM EVOL 2017. [DOI: 10.1007/s10914-017-9401-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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194
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Zhu J, Xu X, Tao Q, Yi P, Yu D, Xu X. High invasion potential of Hydrilla verticillata in the Americas predicted using ecological niche modeling combined with genetic data. Ecol Evol 2017; 7:4982-4990. [PMID: 28690824 PMCID: PMC5496529 DOI: 10.1002/ece3.3072] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 03/31/2017] [Accepted: 04/25/2017] [Indexed: 01/19/2023] Open
Abstract
Ecological niche modeling is an effective tool to characterize the spatial distribution of suitable areas for species, and it is especially useful for predicting the potential distribution of invasive species. The widespread submerged plant Hydrilla verticillata (hydrilla) has an obvious phylogeographical pattern: Four genetic lineages occupy distinct regions in native range, and only one lineage invades the Americas. Here, we aimed to evaluate climatic niche conservatism of hydrilla in North America at the intraspecific level and explore its invasion potential in the Americas by comparing climatic niches in a phylogenetic context. Niche shift was found in the invasion process of hydrilla in North America, which is probably mainly attributed to high levels of somatic mutation. Dramatic changes in range expansion in the Americas were predicted in the situation of all four genetic lineages invading the Americas or future climatic changes, especially in South America; this suggests that there is a high invasion potential of hydrilla in the Americas. Our findings provide useful information for the management of hydrilla in the Americas and give an example of exploring intraspecific climatic niche to better understand species invasion.
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Affiliation(s)
- Jinning Zhu
- National Field Station of Freshwater Ecosystem of Liangzi LakeCollege of Life SciencesWuhan UniversityWuhanChina
| | - Xuan Xu
- National Field Station of Freshwater Ecosystem of Liangzi LakeCollege of Life SciencesWuhan UniversityWuhanChina
| | - Qing Tao
- National Field Station of Freshwater Ecosystem of Liangzi LakeCollege of Life SciencesWuhan UniversityWuhanChina
| | - Panpan Yi
- National Field Station of Freshwater Ecosystem of Liangzi LakeCollege of Life SciencesWuhan UniversityWuhanChina
| | - Dan Yu
- National Field Station of Freshwater Ecosystem of Liangzi LakeCollege of Life SciencesWuhan UniversityWuhanChina
| | - Xinwei Xu
- National Field Station of Freshwater Ecosystem of Liangzi LakeCollege of Life SciencesWuhan UniversityWuhanChina
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195
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196
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McIntyre PJ, Strauss S. An experimental test of local adaptation among cytotypes within a polyploid complex. Evolution 2017; 71:1960-1969. [PMID: 28598499 DOI: 10.1111/evo.13288] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 05/26/2017] [Indexed: 12/31/2022]
Abstract
The geographic distributions of polyploids suggest they can have distinct and sometimes broader niches compared to diploids. However, relatively few field experiments have investigated whether range differences are associated with local adaptation or reflect other processes, such as dispersal limitation. In three years of transplants across the elevational ranges of five cytotypes in the Claytonia perfoliata complex, we found evidence for local adaptation. In at least one study year germination was higher within the natural range for each cytotype, and four of the five cytotypes attained larger biomass within their natural range. Fitness within and beyond range varied across years, with two instances of cytotypes showing higher fitness beyond the range, highlighting a potential role of temporal variability in cytotype differentiation. Polyploids as a group did not outperform diploids, but the cytotype with highest fitness across environments was a hexaploid reported to be invasive. Our results suggest that differences in geographic ranges within the C. perfoliata complex reflect local adaptation of cytotypes. Although we did not find a general polyploid advantage, our findings support the idea that occasional polyploid cytotypes exhibit high fitness relative to other cytotypes, and contribute to growing evidence supporting ecological differentiation of cytotypes within polyploid complexes.
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Affiliation(s)
- Patrick J McIntyre
- Section of Ecology and Evolution, University of California Davis, 2320 Storer Hall, One Shields Avenue, Davis, California, 95616.,Center for Population Biology, University of California Davis, 2320 Storer Hall, One Shields Avenue, Davis, California, 95616.,Current Address: Biogeographic Data Branch, California Department of Fish and Wildlife, 1416 9th Street, Suite 1266, Sacramento, California, 95814
| | - Sharon Strauss
- Section of Ecology and Evolution, University of California Davis, 2320 Storer Hall, One Shields Avenue, Davis, California, 95616.,Center for Population Biology, University of California Davis, 2320 Storer Hall, One Shields Avenue, Davis, California, 95616
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197
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Wellband KW, Pettitt-Wade H, Fisk AT, Heath DD. Differential invasion success in aquatic invasive species: the role of within- and among-population genetic diversity. Biol Invasions 2017. [DOI: 10.1007/s10530-017-1471-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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198
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Abstract
Polyploidy, or the duplication of entire genomes, has been observed in prokaryotic and eukaryotic organisms, and in somatic and germ cells. The consequences of polyploidization are complex and variable, and they differ greatly between systems (clonal or non-clonal) and species, but the process has often been considered to be an evolutionary 'dead end'. Here, we review the accumulating evidence that correlates polyploidization with environmental change or stress, and that has led to an increased recognition of its short-term adaptive potential. In addition, we discuss how, once polyploidy has been established, the unique retention profile of duplicated genes following whole-genome duplication might explain key longer-term evolutionary transitions and a general increase in biological complexity.
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199
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Krueger-Hadfield SA, Kollars NM, Strand AE, Byers JE, Shainker SJ, Terada R, Greig TW, Hammann M, Murray DC, Weinberger F, Sotka EE. Genetic identification of source and likely vector of a widespread marine invader. Ecol Evol 2017. [PMID: 28649353 PMCID: PMC5478068 DOI: 10.1002/ece3.3001] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The identification of native sources and vectors of introduced species informs their ecological and evolutionary history and may guide policies that seek to prevent future introductions. Population genetics provides a powerful set of tools to identify origins and vectors. However, these tools can mislead when the native range is poorly sampled or few molecular markers are used. Here, we traced the introduction of the Asian seaweed Gracilaria vermiculophylla (Rhodophyta) into estuaries in coastal western North America, the eastern United States, Europe, and northwestern Africa by genotyping more than 2,500 thalli from 37 native and 53 non‐native sites at mitochondrial cox1 and 10 nuclear microsatellite loci. Overall, greater than 90% of introduced thalli had a genetic signature similar to thalli sampled from the coastline of northeastern Japan, strongly indicating this region served as the principal source of the invasion. Notably, northeastern Japan exported the vast majority of the oyster Crassostrea gigas during the 20th century. The preponderance of evidence suggests G. vermiculophylla may have been inadvertently introduced with C. gigas shipments and that northeastern Japan is a common source region for estuarine invaders. Each invaded coastline reflected a complex mix of direct introductions from Japan and secondary introductions from other invaded coastlines. The spread of G. vermiculophylla along each coastline was likely facilitated by aquaculture, fishing, and boating activities. Our ability to document a source region was enabled by a robust sampling of locations and loci that previous studies lacked and strong phylogeographic structure along native coastlines.
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Affiliation(s)
- Stacy A Krueger-Hadfield
- Department of Biology University of Alabama at Birmingham Birmingham AL USA.,Grice Marine Laboratory and the Department of Biology College of Charleston Charleston SC USA
| | - Nicole M Kollars
- Grice Marine Laboratory and the Department of Biology College of Charleston Charleston SC USA.,Present address: Center for Population Biology University of California Davis CA USA
| | - Allan E Strand
- Grice Marine Laboratory and the Department of Biology College of Charleston Charleston SC USA
| | - James E Byers
- Odum School of Ecology University of Georgia Athens GA USA
| | - Sarah J Shainker
- Grice Marine Laboratory and the Department of Biology College of Charleston Charleston SC USA
| | - Ryuta Terada
- United Graduate School of Agricultural Sciences Kagoshima University Kagoshima City Japan
| | - Thomas W Greig
- NOAA/National Ocean Service Center for Coastal Environmental Health and Biomolecular Research Charleston SC USA
| | - Mareike Hammann
- GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel Kiel Germany
| | - David C Murray
- Grice Marine Laboratory and the Department of Biology College of Charleston Charleston SC USA
| | | | - Erik E Sotka
- Grice Marine Laboratory and the Department of Biology College of Charleston Charleston SC USA
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200
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Hirsch H, Richardson DM, Le Roux JJ. Introduction to the special issue: Tree invasions: towards a better understanding of their complex evolutionary dynamics. AOB PLANTS 2017; 9:plx014. [PMID: 28533897 PMCID: PMC5420828 DOI: 10.1093/aobpla/plx014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 04/03/2017] [Indexed: 06/07/2023]
Abstract
Many invasive plants show evidence of trait-based evolutionary change, but these remain largely unexplored for invasive trees. The increasing number of invasive trees and their tremendous impacts worldwide, however, illustrates the urgent need to bridge this knowledge gap to apply efficient management. Consequently, an interdisciplinary workshop, held in 2015 at Stellenbosch University in Stellenbosch, South Africa, brought together international researchers to discuss our understanding of evolutionary dynamics in invasive trees. The main outcome of this workshop is this Special Issue of AoB PLANTS. The collection of papers in this issue has helped to identify and assess the evolutionary mechanisms that are likely to influence tree invasions. It also facilitated expansion of the unified framework for biological invasions to incorporate key evolutionary processes. The papers cover a wide range of evolutionary mechanisms in tree genomes (adaptation), epigenomes (phenotypic plasticity) and their second genomes (mutualists), and show how such mechanisms can impact tree invasion processes and management. The special issue provides a comprehensive overview of the factors that promote and mitigate the invasive success of tree species in many parts of the world. It also shows that incorporating evolutionary concepts is crucial for understanding the complex drivers of tree invasions and has much potential to improve management. The contributions of the special issue also highlight many priorities for further work in the face of ever-increasing tree invasions; the complexity of this research needs calls for expanded interdisciplinary research collaborations.
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Affiliation(s)
- Heidi Hirsch
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland 7602, South Africa
| | - David M. Richardson
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland 7602, South Africa
| | - Johannes J. Le Roux
- Centre for Invasion Biology, Department of Botany & Zoology, Stellenbosch University, Matieland 7602, South Africa
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