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Bontpart T, Weiss A, Vile D, Gérard F, Lacombe B, Reichheld JP, Mari S. Growing on calcareous soils and facing climate change. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00069-4. [PMID: 38570279 DOI: 10.1016/j.tplants.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 03/12/2024] [Accepted: 03/14/2024] [Indexed: 04/05/2024]
Abstract
Soil calcium carbonate (CaCO3) impacts plant mineral nutrition far beyond Fe metabolism, imposing constraints for crop growth and quality in calcareous agrosystems. Our knowledge on plant strategies to tolerate CaCO3 effects mainly refers to Fe acquisition. This review provides an update on plant cellular and molecular mechanisms recently described to counteract the negative effects of CaCO3 in soils, as well as recent efforts to identify genetic bases involved in CaCO3 tolerance from natural populations, that could be exploited to breed CaCO3-tolerant crops. Finally, we review the impact of environmental factors (soil water content, air CO2, and temperature) affecting soil CaCO3 equilibrium and plant tolerance to calcareous soils, and we propose strategies for improvement in the context of climate change.
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Affiliation(s)
- Thibaut Bontpart
- IPSiM, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
| | - Alizée Weiss
- Laboratoire Génome et Développement des Plantes (LGDP), UMR 5096, CNRS, 66860 Perpignan, France
| | - Denis Vile
- LEPSE, INRAE, Institut Agro, Université de Montpellier, 2 Place P. Viala, F-34060, Montpellier cédex 2, France
| | - Frédéric Gérard
- UMR Eco&Sols, INRAE, IRD, CIRAD, Institut Agro, Université de Montpellier, Montpellier, France
| | - Benoît Lacombe
- IPSiM, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
| | | | - Stéphane Mari
- IPSiM, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France.
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Jiménez-Ramírez A, Solé-Medina A, Ramírez-Valiente JA, Robledo-Arnuncio JJ. Microgeographic variation in early fitness traits of Pinus sylvestris from contrasting soils. AMERICAN JOURNAL OF BOTANY 2023; 110:e16159. [PMID: 36943007 DOI: 10.1002/ajb2.16159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/01/2023] [Accepted: 03/01/2023] [Indexed: 05/11/2023]
Abstract
PREMISE The possibility of fine-scale intraspecific adaptive divergence under gene flow is established by theoretical models and has been confirmed empirically in tree populations distributed along steep altitudinal clines or across extreme edaphic discontinuities. However, the possibility of microgeographic adaptive divergence due to less severe but more frequent kinds of soil variation is unclear. METHODS In this study, we looked for evidence of local adaptation to calcareous versus siliceous soil types in two nearby Mediterranean Pinus sylvestris populations connected via pollen flow. Using a greenhouse experiment, we tested for variation in early (up to three years of age) seedling performance among open-pollinated maternal families originating from each edaphic provenance when experimentally grown on both types of natural local substrate. RESULTS Although seedlings were clearly affected by the edaphic environment, exhibiting lower and slower emergence as well as higher mortality on the calcareous than in the siliceous substrate, neither the performance on each substrate nor the plasticity among substrates varied significantly with seedling edaphic provenance. CONCLUSIONS We found no evidence of local adaptation to a non-extreme edaphic discontinuity over a small spatial scale, at least during early stages of seedling establishment. Future studies on microgeographic soil-driven adaptation should consider long-term experiments to minimize maternal effects and allow a potentially delayed expression of edaphic adaptive divergence.
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Affiliation(s)
- Azucena Jiménez-Ramírez
- Instituto de Ciencias Forestales, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (ICIFOR-INIA), Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
- Department of Genetics, Faculty of Biological Sciences, Complutense University of Madrid, Madrid, Spain
| | - Aida Solé-Medina
- Instituto de Ciencias Forestales, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (ICIFOR-INIA), Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - José A Ramírez-Valiente
- Instituto de Ciencias Forestales, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (ICIFOR-INIA), Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
- Ecological and Forestry Applications Research Centre (CREAF), Cerdanyola del Vallès, Spain
| | - Juan J Robledo-Arnuncio
- Instituto de Ciencias Forestales, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (ICIFOR-INIA), Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
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Smyčka J, Roquet C, Boleda M, Alberti A, Boyer F, Douzet R, Perrier C, Rome M, Valay JG, Denoeud F, Šemberová K, Zimmermann NE, Thuiller W, Wincker P, Alsos IG, Coissac E, Lavergne S. Tempo and drivers of plant diversification in the European mountain system. Nat Commun 2022; 13:2750. [PMID: 35585056 PMCID: PMC9117672 DOI: 10.1038/s41467-022-30394-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 04/26/2022] [Indexed: 12/03/2022] Open
Abstract
There is still limited consensus on the evolutionary history of species-rich temperate alpine floras due to a lack of comparable and high-quality phylogenetic data covering multiple plant lineages. Here we reconstructed when and how European alpine plant lineages diversified, i.e., the tempo and drivers of speciation events. We performed full-plastome phylogenomics and used multi-clade comparative models applied to six representative angiosperm lineages that have diversified in European mountains (212 sampled species, 251 ingroup species total). Diversification rates remained surprisingly steady for most clades, even during the Pleistocene, with speciation events being mostly driven by geographic divergence and bedrock shifts. Interestingly, we inferred asymmetrical historical migration rates from siliceous to calcareous bedrocks, and from higher to lower elevations, likely due to repeated shrinkage and expansion of high elevation habitats during the Pleistocene. This may have buffered climate-related extinctions, but prevented speciation along elevation gradients as often documented for tropical alpine floras. Here, the authors use full-plastome phylogenomics and multiclade comparative models to reconstruct the tempo and drivers of six European Alpine angiosperm lineages before and during the Pleistocene. They find that geographic divergence and bedrock shifts drive speciation events, while diversification rates remained steady.
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Affiliation(s)
- Jan Smyčka
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, FR-38000, Grenoble, France. .,Center for Theoretical Study, Charles University and the Academy of Sciences of the Czech Republic, CZ-11000, Prague, Czech Republic. .,Department of Botany, Faculty of Science, Charles University, CZ-12801, Prague, Czech Republic.
| | - Cristina Roquet
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, FR-38000, Grenoble, France.,Systematics and Evolution of Vascular Plants (UAB) - Associated Unit to CSIC, Departament de Biologia Animal, Biologia Vegetal i Ecologia, Facultat de Biociències, Universitat Autònoma de Barcelona, ES-08193, Bellaterra, Spain
| | - Martí Boleda
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, FR-38000, Grenoble, France
| | - Adriana Alberti
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université Evry, Université Paris-Saclay, FR-91057, Evry, France.,Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC), FR-91190, Gif-sur-Yvette, France
| | - Frédéric Boyer
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, FR-38000, Grenoble, France
| | - Rolland Douzet
- CNRS, Lautaret, Jardin du Lautaret, Université Grenoble Alpes, FR-38000, Grenoble, France
| | - Christophe Perrier
- CNRS, Lautaret, Jardin du Lautaret, Université Grenoble Alpes, FR-38000, Grenoble, France
| | - Maxime Rome
- CNRS, Lautaret, Jardin du Lautaret, Université Grenoble Alpes, FR-38000, Grenoble, France
| | - Jean-Gabriel Valay
- CNRS, Lautaret, Jardin du Lautaret, Université Grenoble Alpes, FR-38000, Grenoble, France
| | - France Denoeud
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université Evry, Université Paris-Saclay, FR-91057, Evry, France
| | - Kristýna Šemberová
- Department of Botany, Faculty of Science, Charles University, CZ-12801, Prague, Czech Republic.,Czech Academy of Sciences, Institute of Botany, CZ-25243, Průhonice, Czech Republic
| | | | - Wilfried Thuiller
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, FR-38000, Grenoble, France
| | - Patrick Wincker
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Université Evry, Université Paris-Saclay, FR-91057, Evry, France
| | - Inger G Alsos
- UiT - The Arctic University of Norway, The Arctic University Museum of Norway, N-9037, Tromsø, Norway
| | - Eric Coissac
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, FR-38000, Grenoble, France
| | | | - Sébastien Lavergne
- Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, FR-38000, Grenoble, France
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Factors Affecting Seed Germination of the Invasive Species Symphyotrichum lanceolatum and Their Implication for Invasion Success. PLANTS 2022; 11:plants11070969. [PMID: 35406949 PMCID: PMC9002578 DOI: 10.3390/plants11070969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/20/2022] [Accepted: 03/21/2022] [Indexed: 11/16/2022]
Abstract
Invasive species Symphyotrichum lanceolatum (Willd.) G. L. Nesom is spreading uncontrollably along wet habitats as well as in disturbed ecosystems. All those habitats function as corridors that facilitate seed dispersal. One way to prevent the spread of invasive species is to know their reproductive ecology. The present study evaluates the potential for generative reproduction of S. lanceolatum and determines how different temperatures, amounts of nutrients, and light regimes, affect seed germination. Seeds collected from 13 natural populations were germinated at four fluctuating temperature regimes (15/6, 20/10, 30/15, and 35/20 °C). To test the influence of nitrate on seed germination, two KNO3 concentrations were used (5 mM and 50 mM solution). For each treatment, three replicates of 30 seeds were placed in complete darkness or a 14 h photoperiod. The results showed that the germination increased with increasing temperature. The optimal temperature regimes were 30/15 °C and 35/20 °C with approximately 88% germination. The overall effect of KNO3 on germination was positive. The concentration of 50 mM KNO3 had a less stimulating effect compared to 5 mM KNO3. Seeds showed sensitivity to lack of light during germination but were able to germinate in a significant percentage in such conditions. Considering that S. lanceolatum often occurs in disturbed sites, these results suggest that seed reaction to alternating temperature, nutrients concentration, and light can be determining factors that affect seed germination of this species and, thus, its spread.
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Yakimowski SB, Teitel Z, Caruso CM. Defence by duplication: The relation between phenotypic glyphosate resistance and EPSPS gene copy number variation in Amaranthus palmeri. Mol Ecol 2021; 30:5328-5342. [PMID: 34662479 DOI: 10.1111/mec.16231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 08/17/2021] [Accepted: 09/08/2021] [Indexed: 12/12/2022]
Abstract
Gene copy number variation (CNV) has been increasingly associated with organismal responses to environmental stress, but we know little about the quantitative relation between CNV and phenotypic variation. In this study we quantify the relation between variation in EPSPS (5-enolpyruvylshikimate-3-phosphate synthase) copy number using digital drop PCR and variation in phenotypic glyphosate resistance in 22 populations of Amaranthus palmeri (Palmer Amaranth), a range-expanding agricultural weed. Overall, we detected a significant positive relation between population mean copy number and resistance. The majority of populations exhibited high glyphosate resistance yet maintained low-resistance individuals, resulting in bimodality in many populations. We also investigated threshold models for the relation between copy number and resistance, and found evidence for a threshold of ~15 EPSPS copies: there was a steep increase in resistance below the threshold, followed by a much shallower increase. Across 924 individuals, as copy number increased the range of variation in resistance decreased, yielding an increasing frequency of high phenotypic resistance individuals. Among populations we detected a decline in variation (s.d.) as mean phenotypic resistance increased from moderate to high, consistent with the prediction that as phenotypic resistance increases in populations, stabilizing selection decreases variation in the trait. Our study demonstrates that populations of A. palmeri can harbour wide variation in EPSPS copy number and phenotypic glyphosate resistance, reflecting the history of, and template for future, resistance evolution.
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Affiliation(s)
| | - Zachary Teitel
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
| | - Christina M Caruso
- Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada
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Parallel adaptation in autopolyploid Arabidopsis arenosa is dominated by repeated recruitment of shared alleles. Nat Commun 2021; 12:4979. [PMID: 34404804 PMCID: PMC8370997 DOI: 10.1038/s41467-021-25256-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 07/21/2021] [Indexed: 01/26/2023] Open
Abstract
Relative contributions of pre-existing vs de novo genomic variation to adaptation are poorly understood, especially in polyploid organisms. We assess this in high resolution using autotetraploid Arabidopsis arenosa, which repeatedly adapted to toxic serpentine soils that exhibit skewed elemental profiles. Leveraging a fivefold replicated serpentine invasion, we assess selection on SNPs and structural variants (TEs) in 78 resequenced individuals and discover significant parallelism in candidate genes involved in ion homeostasis. We further model parallel selection and infer repeated sweeps on a shared pool of variants in nearly all these loci, supporting theoretical expectations. A single striking exception is represented by TWO PORE CHANNEL 1, which exhibits convergent evolution from independent de novo mutations at an identical, otherwise conserved site at the calcium channel selectivity gate. Taken together, this suggests that polyploid populations can rapidly adapt to environmental extremes, calling on both pre-existing variation and novel polymorphisms. Relative contributions of pre-existing versus de novo genomic variation to adaptation remain unclear. Here, the authors address this problem by examining the adaptation of autotetraploid Arabidopsis arenosa to serpentine soils and find that both types of variations contribute to rapid adaptation.
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7
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Rellstab C, Zoller S, Sailer C, Tedder A, Gugerli F, Shimizu KK, Holderegger R, Widmer A, Fischer MC. Genomic signatures of convergent adaptation to Alpine environments in three Brassicaceae species. Mol Ecol 2020; 29:4350-4365. [PMID: 32969558 PMCID: PMC7756229 DOI: 10.1111/mec.15648] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 08/26/2020] [Accepted: 09/04/2020] [Indexed: 01/24/2023]
Abstract
It has long been discussed to what extent related species develop similar genetic mechanisms to adapt to similar environments. Most studies documenting such convergence have either used different lineages within species or surveyed only a limited portion of the genome. Here, we investigated whether similar or different sets of orthologous genes were involved in genetic adaptation of natural populations of three related plant species to similar environmental gradients in the Alps. We used whole-genome pooled population sequencing to study genome-wide SNP variation in 18 natural populations of three Brassicaceae (Arabis alpina, Arabidopsis halleri, and Cardamine resedifolia) from the Swiss Alps. We first de novo assembled draft reference genomes for all three species. We then ran population and landscape genomic analyses with ~3 million SNPs per species to look for shared genomic signatures of selection and adaptation in response to similar environmental gradients acting on these species. Genes with a signature of convergent adaptation were found at significantly higher numbers than expected by chance. The most closely related species pair showed the highest relative over-representation of shared adaptation signatures. Moreover, the identified genes of convergent adaptation were enriched for nonsynonymous mutations, suggesting functional relevance of these genes, even though many of the identified candidate genes have hitherto unknown or poorly described functions based on comparison with Arabidopsis thaliana. We conclude that adaptation to heterogeneous Alpine environments in related species is partly driven by convergent evolution, but that most of the genomic signatures of adaptation remain species-specific.
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Affiliation(s)
| | - Stefan Zoller
- Genetic Diversity Centre (GDC), ETH Zurich, Zurich, Switzerland
| | - Christian Sailer
- Institute of Integrative Biology (IBZ), ETH Zurich, Zurich, Switzerland
| | - Andrew Tedder
- Department of Evolutionary Biology and Environmental Studies, Department of Plant and Microbial Biology, University of Zurich, Zurich, Switzerland.,School of Chemistry & Bioscience, University of Bradford, Bradford, UK
| | - Felix Gugerli
- Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
| | - Kentaro K Shimizu
- Department of Evolutionary Biology and Environmental Studies, Department of Plant and Microbial Biology, University of Zurich, Zurich, Switzerland.,Kihara Institute for Biological Research, Yokohama City University, Yokohama, Japan
| | - Rolf Holderegger
- Swiss Federal Research Institute WSL, Birmensdorf, Switzerland.,Institute of Integrative Biology (IBZ), ETH Zurich, Zurich, Switzerland
| | - Alex Widmer
- Institute of Integrative Biology (IBZ), ETH Zurich, Zurich, Switzerland
| | - Martin C Fischer
- Institute of Integrative Biology (IBZ), ETH Zurich, Zurich, Switzerland
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Li LF, Cushman SA, He YX, Li Y. Genome sequencing and population genomics modeling provide insights into the local adaptation of weeping forsythia. HORTICULTURE RESEARCH 2020; 7:130. [PMID: 32821413 PMCID: PMC7395120 DOI: 10.1038/s41438-020-00352-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/24/2020] [Accepted: 05/24/2020] [Indexed: 05/06/2023]
Abstract
Understanding the genetic basis underlying the local adaptation of nonmodel species is a fundamental goal in evolutionary biology. In this study, we explored the genetic mechanisms of the local adaptation of Forsythia suspensa using genome sequence and population genomics data obtained from specific-locus amplified fragment sequencing. We assembled a high-quality reference genome of weeping forsythia (Scaffold N50 = 7.3 Mb) using ultralong Nanopore reads. Then, genome-wide comparative analysis was performed for 15 natural populations of weeping forsythia across its current distribution range. Our results revealed that candidate genes associated with local adaptation are functionally correlated with solar radiation, temperature and water variables across heterogeneous environmental scenarios. In particular, solar radiation during the period of fruit development and seed drying after ripening, cold, and drought significantly contributed to the adaptive differentiation of F. suspensa. Natural selection exerted by environmental factors contributed substantially to the population genetic structure of F. suspensa. Our results supported the hypothesis that adaptive differentiation should be highly pronounced in the genes involved in signal crosstalk between different environmental variables. Our population genomics study of F. suspensa provides insights into the fundamental genetic mechanisms of the local adaptation of plant species to climatic gradients.
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Affiliation(s)
- Lin-Feng Li
- Innovation Platform of Molecular Biology, College of Forestry, Henan Agricultural University, Zhengzhou, China
- Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, School of Life Sciences, Fudan University, Shanghai, 200438 China
| | - Samuel A. Cushman
- U.S. Forest Service, Rocky Mountain Research Station, 2500 S. Pine Knoll Dr., Flagstaff, Arizona USA
| | - Yan-Xia He
- School of Life Sciences, Henan University, Kaifeng, China
| | - Yong Li
- Innovation Platform of Molecular Biology, College of Forestry, Henan Agricultural University, Zhengzhou, China
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Chládová A, Kalousová M, Mandák B, Kehlenbeck K, Prinz K, Šmíd J, Van Damme P, Lojka B. Genetic diversity and structure of baobab ( Adansonia digitata L.) in southeastern Kenya. ROYAL SOCIETY OPEN SCIENCE 2019; 6:190854. [PMID: 31598309 PMCID: PMC6774979 DOI: 10.1098/rsos.190854] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 08/21/2019] [Indexed: 06/10/2023]
Abstract
Baobab (Adansonia digitata L.) is an iconic tree of African savannahs. Its multipurpose character and nutritional composition of fruits and leaves offer high economic and social potential for local communities. There is an urgent need to characterize the genetic diversity of the Kenyan baobab populations in order to facilitate further conservation and domestication programmes. This study aims at documenting the genetic diversity and structure of baobab populations in southeastern Kenya. Leaf or bark samples were collected from 189 baobab trees in seven populations distributed in two geographical groups, i.e. four inland and three coastal populations. Nine microsatellite loci were used to assess genetic diversity. Overall, genetic diversity of the species was high and similarly distributed over the populations. Bayesian clustering and principal coordinate analysis congruently divided the populations into two distinct clusters, suggesting significant differences between inland and coastal populations. The genetic differentiation between coastal and inland populations suggests a limited possibility of gene flow between these populations. Further conservation and domestications studies should take into consideration thegeographical origin of trees and more attention should be paid to morphological characterization of fruits and leaves of the coastal and inland populations to understand the causes and the impact of the differentiation.
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Affiliation(s)
- Anna Chládová
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, and
| | - Marie Kalousová
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, and
| | - Bohumil Mandák
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
- The Czech Academy of Sciences, Institute of Botany, Zámek 1, 252 43 Průhonice, Czech Republic
| | - Katja Kehlenbeck
- World Agroforestry Centre (ICRAF), PO Box 30677, 00100 Nairobi, Kenya
- Rhine-Waal University of Applied Sciences, Marie-Curie-Straße 1, 47533 Kleve, Germany
| | - Kathleen Prinz
- Institute for Systematic Botany, Friedrich-Schiller-University Jena, Philosophenweg 16, 07743 Jena, Germany
| | - Jan Šmíd
- Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
| | - Patrick Van Damme
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, and
- World Agroforestry Centre (ICRAF), PO Box 30677, 00100 Nairobi, Kenya
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Bohdan Lojka
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, and
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