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Wenne R. Microsatellites as Molecular Markers with Applications in Exploitation and Conservation of Aquatic Animal Populations. Genes (Basel) 2023; 14:genes14040808. [PMID: 37107566 PMCID: PMC10138012 DOI: 10.3390/genes14040808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/28/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
A large number of species and taxa has been studied for genetic polymorphism. Microsatellites have been known as hypervariable neutral molecular markers with the highest resolution power in comparison with any other markers. However, the discovery of a new type of molecular marker—single nucleotide polymorphism (SNP) has put the existing applications of microsatellites to the test. To ensure good resolution power in studies of populations and individuals, a number of microsatellite loci from 14 to 20 was often used, which corresponds to about 200 independent alleles. Recently, these numbers have tended to be increased by the application of genomic sequencing of expressed sequence tags (ESTs), and the choice of the most informative loci for genotyping depends on the aims of research. Examples of successful applications of microsatellite molecular markers in aquaculture, fisheries, and conservation genetics in comparison with SNPs have been summarized in this review. Microsatellites can be considered superior markers in such topics as kinship and parentage analysis in cultured and natural populations, the assessment of gynogenesis, androgenesis and ploidization. Microsatellites can be coupled with SNPs for mapping QTL. Microsatellites will continue to be used in research on genetic diversity in cultured stocks, and also in natural populations as an economically advantageous genotyping technique.
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Affiliation(s)
- Roman Wenne
- Institute of Oceanology, Polish Academy of Sciences, Powstańców Warszawy 55, 81-712 Sopot, Poland
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2
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Wedekind C, Vonlanthen P, de Guttry C, Stadelmann R, Stadelmann N, Pirat A, Perroud G. Persistent high hatchery recruitment despite advanced reoligotrophication and significant natural spawning in a whitefish. Glob Ecol Conserv 2022. [DOI: 10.1016/j.gecco.2022.e02219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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3
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Klütsch CFC, Maduna SN, Polikarpova N, Forfang K, Beddari B, Gjelland KØ, Aspholm PE, Amundsen PA, Hagen SB. Temporal analysis shows relaxed genetic erosion following improved stocking practices in a subarctic transnational brown trout population. Sci Rep 2021; 11:17396. [PMID: 34462480 PMCID: PMC8405680 DOI: 10.1038/s41598-021-96681-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 08/03/2021] [Indexed: 11/10/2022] Open
Abstract
Maintaining standing genetic variation is a challenge in human-dominated landscapes. We used genetic (i.e., 16 short tandem repeats) and morphological (i.e., length and weight) measurements of 593 contemporary and historical brown trout (Salmo trutta) samples to study fine-scale and short-term impacts of different management practices. These had changed from traditional breeding practices, using the same broodstock for several years, to modern breeding practices, including annual broodstock replacement, in the transnational subarctic Pasvik River. Using population genetic structure analyses (i.e., Bayesian assignment tests, DAPCs, and PCAs), four historical genetic clusters (E2001A-D), likely representing family lineages resulting from different crosses, were found in zone E. These groups were characterized by consistently lower genetic diversity, higher within-group relatedness, lower effective population size, and significantly smaller body size than contemporary stocked (E2001E) and wild fish (E2001F). However, even current breeding practices are insufficient to prevent genetic diversity loss and morphological changes as demonstrated by on average smaller body sizes and recent genetic bottleneck signatures in the modern breeding stock compared to wild fish. Conservation management must evaluate breeding protocols for stocking programs and assess if these can preserve remaining natural genetic diversity and morphology in brown trout for long-term preservation of freshwater fauna.
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Affiliation(s)
- Cornelya F C Klütsch
- Division of Environment and Natural Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Svanhovd, Norway.
| | - Simo N Maduna
- Division of Environment and Natural Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Svanhovd, Norway
| | | | - Kristin Forfang
- Division of Environment and Natural Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Svanhovd, Norway
| | - Benedicte Beddari
- Division of Environment and Natural Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Svanhovd, Norway
| | | | - Paul Eric Aspholm
- Division of Forest and Forest Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Svanhovd, Norway
| | - Per-Arne Amundsen
- Department of Arctic and Marine Biology, Faculty of Biosciences, Fisheries and Economics, UiT The Arctic University of Norway, Tromsø, Norway
| | - Snorre B Hagen
- Division of Environment and Natural Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Svanhovd, Norway.
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4
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Groom Q, Adriaens T, Bertolino S, Phelps K, Poelen JH, Reeder DM, Richardson DM, Simmons NB, Upham N. Holistic understanding of contemporary ecosystems requires integration of data on domesticated, captive and cultivated organisms. Biodivers Data J 2021; 9:e65371. [PMID: 34168517 PMCID: PMC8219659 DOI: 10.3897/bdj.9.e65371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 05/13/2021] [Indexed: 11/21/2022] Open
Abstract
Domestic and captive animals and cultivated plants should be recognised as integral components in contemporary ecosystems. They interact with wild organisms through such mechanisms as hybridization, predation, herbivory, competition and disease transmission and, in many cases, define ecosystem properties. Nevertheless, it is widespread practice for data on domestic, captive and cultivated organisms to be excluded from biodiversity repositories, such as natural history collections. Furthermore, there is a lack of integration of data collected about biodiversity in disciplines, such as agriculture, veterinary science, epidemiology and invasion science. Discipline-specific data are often intentionally excluded from integrative databases in order to maintain the “purity” of data on natural processes. Rather than being beneficial, we argue that this practise of data exclusivity greatly limits the utility of discipline-specific data for applications ranging from agricultural pest management to invasion biology, infectious disease prevention and community ecology. This problem can be resolved by data providers using standards to indicate whether the observed organism is of wild or domestic origin and by integrating their data with other biodiversity data (e.g. in the Global Biodiversity Information Facility). Doing so will enable efforts to integrate the full panorama of biodiversity knowledge across related disciplines to tackle pressing societal questions.
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Affiliation(s)
- Quentin Groom
- Meise Botanic Garden, Meise, Belgium Meise Botanic Garden Meise Belgium.,Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Stellenbosch, South Africa Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University Stellenbosch South Africa
| | - Tim Adriaens
- Research Inst. for Nature and Forest (INBO), Brussels, Belgium Research Inst. for Nature and Forest (INBO) Brussels Belgium
| | - Sandro Bertolino
- Department of Life Sciences and Systems Biology, University of Turin, Torino, Italy Department of Life Sciences and Systems Biology, University of Turin Torino Italy
| | - Kendra Phelps
- EcoHealth Alliance, New York, United States of America EcoHealth Alliance New York United States of America
| | - Jorrit H Poelen
- Ronin Institute for Independent Scholarship, Montclair, United States of America Ronin Institute for Independent Scholarship Montclair United States of America
| | - DeeAnn Marie Reeder
- Bucknell University, Lewisburg, United States of America Bucknell University Lewisburg United States of America
| | - David M Richardson
- Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Stellenbosch, South Africa Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University Stellenbosch South Africa
| | - Nancy B Simmons
- Department of Mammalogy, Division of Vertebrate Zoology, American Museum of Natural History, New York, United States of America Department of Mammalogy, Division of Vertebrate Zoology, American Museum of Natural History New York United States of America
| | - Nathan Upham
- Arizona State University, Tempe, United States of America Arizona State University Tempe United States of America
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5
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Leitwein M, Cayuela H, Bernatchez L. Associative Overdominance and Negative Epistasis Shape Genome-Wide Ancestry Landscape in Supplemented Fish Populations. Genes (Basel) 2021; 12:genes12040524. [PMID: 33916757 PMCID: PMC8065892 DOI: 10.3390/genes12040524] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/26/2021] [Accepted: 03/31/2021] [Indexed: 02/06/2023] Open
Abstract
The interplay between recombination rate, genetic drift and selection modulates variation in genome-wide ancestry. Understanding the selective processes at play is of prime importance toward predicting potential beneficial or negative effects of supplementation with domestic strains (i.e., human-introduced strains). In a system of lacustrine populations supplemented with a single domestic strain, we documented how population genetic diversity and stocking intensity produced lake-specific patterns of domestic ancestry by taking the species’ local recombination rate into consideration. We used 552 Brook Charr (Salvelinus fontinalis) from 22 small lacustrine populations, genotyped at ~32,400 mapped SNPs. We observed highly variable patterns of domestic ancestry between each of the 22 populations without any consistency in introgression patterns of the domestic ancestry. Our results suggest that such lake-specific ancestry patterns were mainly due to variable associative overdominance (AOD) effects among populations (i.e., potential positive effects due to the masking of possible deleterious alleles in low recombining regions). Signatures of AOD effects were also emphasized by highly variable patterns of genetic diversity among and within lakes, potentially driven by predominant genetic drift in those small isolated populations. Local negative effects such as negative epistasis (i.e., potential genetic incompatibilities between the native and the introduced population) potentially reflecting precursory signs of outbreeding depression were also observed at a chromosomal scale. Consequently, in order to improve conservation practices and management strategies, it became necessary to assess the consequences of supplementation at the population level by taking into account both genetic diversity and stocking intensity when available.
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6
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Ferchaud AL, Leitwein M, Laporte M, Boivin-Delisle D, Bougas B, Hernandez C, Normandeau É, Thibault I, Bernatchez L. Adaptive and maladaptive genetic diversity in small populations: Insights from the Brook Charr (Salvelinus fontinalis) case study. Mol Ecol 2020; 29:3429-3445. [PMID: 33463857 DOI: 10.1111/mec.15566] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/13/2020] [Accepted: 07/16/2020] [Indexed: 12/12/2022]
Abstract
Investigating the relative importance of neutral versus selective processes governing the accumulation of genetic variants is a key goal in both evolutionary and conservation biology. This is particularly true in the context of small populations, where genetic drift can counteract the effect of selection. Using Brook Charr (Salvelinus fontinalis) from Québec, Canada, as a case study, we investigated the importance of demographic versus selective processes governing the accumulation of both adaptive and maladaptive mutations in closed versus open and connected populations to assess gene flow effect. This was achieved by using 14,779 high-quality filtered SNPs genotyped among 1,416 fish representing 50 populations from three life history types: lacustrine (closed populations), riverine and anadromous (connected populations). Using the PROVEAN algorithm, we observed a considerable accumulation of putative deleterious mutations across populations. The absence of correlation between the occurrence of putatively beneficial or deleterious mutations and local recombination rate supports the hypothesis that genetic drift might be the main driver of the accumulation of such variants. However, despite a lower genetic diversity observed in lacustrine than in riverine or anadromous populations, lacustrine populations do not exhibit more deleterious mutations than the two other history types, suggesting that the negative effect of genetic drift in lacustrine populations may be mitigated by that of relaxed purifying selection. Moreover, we also identified genomic regions associated with anadromy, as well as an overrepresentation of transposable elements associated with variation in environmental variables, thus supporting the importance of transposable elements in adaptation.
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Affiliation(s)
- Anne-Laure Ferchaud
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Maeva Leitwein
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Martin Laporte
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Damien Boivin-Delisle
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Bérénice Bougas
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Cécilia Hernandez
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Éric Normandeau
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Isabel Thibault
- Direction de l'expertise Sur la Faune Aquatique, Ministère des Forêts, de la Faune et des Parcs du Québec, Québec, QC, Canada
| | - Louis Bernatchez
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
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7
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Garant D. Natural and human-induced environmental changes and their effects on adaptive potential of wild animal populations. Evol Appl 2020; 13:1117-1127. [PMID: 32684950 PMCID: PMC7359845 DOI: 10.1111/eva.12928] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 12/26/2022] Open
Abstract
A major challenge of evolutionary ecology over the next decades is to understand and predict the consequences of the current rapid and important environmental changes on wild populations. Extinction risk of species is linked to populations' evolutionary potential and to their ability to express adaptive phenotypic plasticity. There is thus a vital need to quantify how selective pressures, quantitative genetics parameters, and phenotypic plasticity, for multiple traits in wild animal populations, may vary with changes in the environment. Here I review our previous research that integrated ecological and evolutionary theories with molecular ecology, quantitative genetics, and long-term monitoring of individually marked wild animals. Our results showed that assessing evolutionary and plastic changes over time and space, using multi-trait approaches, under a realistic range of environmental conditions are crucial steps toward improving our understanding of the evolution and adaptation of natural populations. Our current and future work focusses on assessing the limits of adaptive potential by determining the factors constraining the evolvability of plasticity, those generating covariation among genetic variance and selection, as well as indirect genetic effects, which can affect population's capacity to adjust to environmental changes. In doing so, we aim to provide an improved assessment of the spatial and temporal scale of evolutionary processes in wild animal populations.
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Affiliation(s)
- Dany Garant
- Département de biologieFaculté des SciencesUniversité de SherbrookeSherbrookeQCCanada
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8
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Bourret V, Albert V, April J, Côté G, Morissette O. Past, present and future contributions of evolutionary biology to wildlife forensics, management and conservation. Evol Appl 2020; 13:1420-1434. [PMID: 32684967 PMCID: PMC7359848 DOI: 10.1111/eva.12977] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 03/27/2020] [Accepted: 03/31/2020] [Indexed: 12/14/2022] Open
Abstract
Successfully implementing fundamental concepts into concrete applications is challenging in any given field. It requires communication, collaboration and shared will between researchers and practitioners. We argue that evolutionary biology, through research work linked to conservation, management and forensics, had a significant impact on wildlife agencies and department practices, where new frameworks and applications have been implemented over the last decades. The Quebec government's Wildlife Department (MFFP: Ministère des Forêts, de la Faune et des Parcs) has been proactive in reducing the “research–implementation” gap, thanks to prolific collaborations with many academic researchers. Among these associations, our department's outstanding partnership with Dr. Louis Bernatchez yielded significant contributions to harvest management, stocking programmes, definition of conservation units, recovery of threatened species, management of invasive species and forensic applications. We discuss key evolutionary biology concepts and resulting concrete examples of their successful implementation that derives directly or indirectly from this successful partnership. While old and new threats to wildlife are bringing new challenges, we expect recent developments in eDNA and genomics to provide innovative solutions as long as the research–implementation bridge remains open.
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Affiliation(s)
- Vincent Bourret
- Direction générale de la protection de la faune Ministère des Forêts, de la Faune et des Parcs Québec QC Canada
| | - Vicky Albert
- Direction générale de la protection de la faune Ministère des Forêts, de la Faune et des Parcs Québec QC Canada
| | - Julien April
- Direction générale de la gestion de la faune et des habitats Ministère des Forêts, de la Faune et des Parcs Québec QC Canada
| | - Guillaume Côté
- Direction générale de la gestion de la faune et des habitats Ministère des Forêts, de la Faune et des Parcs Québec QC Canada
| | - Olivier Morissette
- Direction générale de la gestion de la faune et des habitats Ministère des Forêts, de la Faune et des Parcs Québec QC Canada
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9
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Effects of genetic origin on phenotypic divergence in Brook Trout populations stocked with domestic fish. Ecosphere 2020. [DOI: 10.1002/ecs2.3119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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10
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Lehnert SJ, Baillie SM, MacMillan J, Paterson IG, Buhariwalla CF, Bradbury IR, Bentzen P. Multiple decades of stocking has resulted in limited hatchery introgression in wild brook trout ( Salvelinus fontinalis) populations of Nova Scotia. Evol Appl 2020; 13:1069-1089. [PMID: 32431753 PMCID: PMC7232767 DOI: 10.1111/eva.12923] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 12/06/2019] [Accepted: 12/17/2019] [Indexed: 12/17/2022] Open
Abstract
Many populations of freshwater fishes are threatened with losses, and increasingly, the release of hatchery individuals is one strategy being implemented to support wild populations. However, stocking of hatchery individuals may pose long-term threats to wild populations, particularly if genetic interactions occur between wild and hatchery individuals. One highly prized sport fish that has been heavily stocked throughout its range is the brook trout (Salvelinus fontinalis). In Nova Scotia, Canada, hatchery brook trout have been stocked since the early 1900s, and despite continued stocking efforts, populations have suffered declines in recent decades. Before this study, the genetic structure of brook trout populations in the province was unknown; however, given the potential negative consequences associated with hatchery stocking, it is possible that hatchery programs have adversely affected the genetic integrity of wild populations. To assess the influence of hatchery supplementation on wild populations, we genotyped wild brook trout from 12 river systems and hatchery brook trout from two major hatcheries using 100 microsatellite loci. Genetic analyses of wild trout revealed extensive population genetic structure among and within river systems and significant isolation-by-distance. Hatchery stocks were genetically distinct from wild populations, and most populations showed limited to no evidence of hatchery introgression (<5% hatchery ancestry). Only a single location had a substantial number of hatchery-derived trout and was located in the only river where a local strain is used for supplementation. The amount of hatchery stocking within a watershed did not influence the level of hatchery introgression. Neutral genetic structure of wild populations was influenced by geography with some influence of climate and stocking indices. Overall, our study suggests that long-term stocking has not significantly affected the genetic integrity of wild trout populations, highlighting the variable outcomes of stocking and the need to evaluate the consequences on a case-by-case basis.
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Affiliation(s)
- Sarah J. Lehnert
- Fisheries and Oceans CanadaNorthwest Atlantic Fisheries CentreSt. John'sNLCanada
| | - Shauna M. Baillie
- Marine Gene Probe LabBiology DepartmentDalhousie UniversityHalifaxNSCanada
| | - John MacMillan
- Inland Fisheries DivisionNova Scotia Department of Fisheries and AquaculturePictouNSCanada
| | - Ian G. Paterson
- Marine Gene Probe LabBiology DepartmentDalhousie UniversityHalifaxNSCanada
| | - Colin F. Buhariwalla
- Inland Fisheries DivisionNova Scotia Department of Fisheries and AquaculturePictouNSCanada
| | - Ian R. Bradbury
- Fisheries and Oceans CanadaNorthwest Atlantic Fisheries CentreSt. John'sNLCanada
- Marine Gene Probe LabBiology DepartmentDalhousie UniversityHalifaxNSCanada
| | - Paul Bentzen
- Marine Gene Probe LabBiology DepartmentDalhousie UniversityHalifaxNSCanada
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11
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Leitwein M, Cayuela H, Ferchaud AL, Normandeau É, Gagnaire PA, Bernatchez L. The role of recombination on genome-wide patterns of local ancestry exemplified by supplemented brook charr populations. Mol Ecol 2019; 28:4755-4769. [PMID: 31579957 DOI: 10.1111/mec.15256] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/23/2019] [Accepted: 09/24/2019] [Indexed: 12/14/2022]
Abstract
Assessing the immediate and long-term evolutionary consequences of human-mediated hybridization is of major concern for conservation biology. Several studies have documented how selection in interaction with recombination modulates introgression at a genome-wide scale, but few have considered the dynamics of this process within and among chromosomes. Here, we used an exploited freshwater fish, the brook charr (Salvelinus fontinalis), for which decades of stocking practices have resulted in admixture between wild populations and an introduced domestic strain, to assess both the temporal dynamics and local chromosomal variation in domestic ancestry. We provide a detailed picture of the domestic ancestry patterns across the genome using about 33,000 mapped single nucleotide polymorphisms genotyped in 611 individuals from 24 supplemented populations. For each lake, we distinguished early- and late-generation hybrids using information regarding admixture tracts. To assess the selective outcomes following admixture we then evaluated the relationship between recombination and admixture proportions at three different scales: the whole genome, chromosomes and within 2-Mb windows. This allowed us to detect a wide range of evolutionary mechanisms varying along the genome, as reflected by the finding of favoured or disfavoured introgression of domestic haplotypes. Among these, the main factor modulating local ancestry was probably the presence of deleterious recessive mutations in the wild populations, which can be efficiently hidden to selection in the presence of long admixture tracts. Overall, our results emphasize the relevance of taking into consideration local ancestry information to assess both the temporal and the chromosomal variation in local admixture ancestry toward better understanding post-hybridization evolutionary outcomes.
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Affiliation(s)
- Maeva Leitwein
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Hugo Cayuela
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Anne-Laure Ferchaud
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | - Éric Normandeau
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
| | | | - Louis Bernatchez
- Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, Canada
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