Inferences from the Historical Distribution of Wild and Domesticated Maize Provide Ecological and Evolutionary Insight
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{"title"=>"Inferences from the Historical Distribution of Wild and Domesticated Maize Provide Ecological and Evolutionary Insight", "type"=>"journal", "authors"=>[{"first_name"=>"Matthew B.", "last_name"=>"Hufford", "scopus_author_id"=>"24780366000"}, {"first_name"=>"Enrique", "last_name"=>"Martínez-Meyer", "scopus_author_id"=>"6603255117"}, {"first_name"=>"Brandon S.", "last_name"=>"Gaut", "scopus_author_id"=>"7005950294"}, {"first_name"=>"Luis E.", "last_name"=>"Eguiarte", "scopus_author_id"=>"6701589295"}, {"first_name"=>"Maud I.", "last_name"=>"Tenaillon", "scopus_author_id"=>"6602245228"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "scopus"=>"2-s2.0-84869124001", "sgr"=>"84869124001", "pui"=>"366053613", "isbn"=>"1932-6203 (Electronic) 1932-6203 (Linking)", "pmid"=>"23155371", "doi"=>"10.1371/journal.pone.0047659"}, "id"=>"7bd690a8-7a48-31ea-83e0-150144aadda2", "abstract"=>"BACKGROUND: The species Zea mays includes both domesticated maize (ssp. mays) and its closest wild relatives known as the teosintes. While genetic and archaeological studies have provided a well-established history of Z. mays evolution, there is currently minimal description of its current and past distribution. Here, we implemented species distribution modeling using paleoclimatic models of the last interglacial (LI; ∼135,000 BP) and the last glacial maximum (LGM; ∼21,000 BP) to hindcast the distribution of Zea mays subspecies over time and to revisit current knowledge of its phylogeography and evolutionary history.\\n\\nMETHODOLOGY/PRINCIPAL FINDINGS: Using a large occurrence data set and the distribution modeling MaxEnt algorithm, we obtained robust present and past species distributions of the two widely distributed teosinte subspecies (ssps. parviglumis and mexicana) revealing almost perfect complementarity, stable through time, of their occupied distributions. We also investigated the present distributions of primitive maize landraces, which overlapped but were broader than those of the teosintes. Our data reinforced the idea that little historical gene flow has occurred between teosinte subspecies, but maize has served as a genetic bridge between them. We observed an expansion of teosinte habitat from the LI, consistent with population genetic data. Finally, we identified locations potentially serving as refugia for the teosintes throughout epochs of climate change and sites that should be targeted in future collections.\\n\\nCONCLUSION/SIGNIFICANCE: The restricted and highly contrasting ecological niches of the wild teosintes differ substantially from domesticated maize. Variables determining the distributions of these taxa can inform future considerations of local adaptation and the impacts of climate change. Our assessment of the changing distributions of Zea mays taxa over time offers a unique glimpse into the history of maize, highlighting a strategy for the study of domestication that may prove useful for other species.", "link"=>"http://www.mendeley.com/research/inferences-historical-distribution-wild-domesticated-maize-provide-ecological-evolutionary-insight", "reader_count"=>103, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>6, "Librarian"=>1, "Student > Doctoral Student"=>10, "Researcher"=>23, "Student > Ph. D. Student"=>19, "Student > Postgraduate"=>1, "Student > Master"=>13, "Other"=>2, "Student > Bachelor"=>19, "Lecturer"=>1, "Professor"=>7}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>6, "Librarian"=>1, "Student > Doctoral Student"=>10, "Researcher"=>23, "Student > Ph. D. Student"=>19, "Student > Postgraduate"=>1, "Student > Master"=>13, "Other"=>2, "Student > Bachelor"=>19, "Lecturer"=>1, "Professor"=>7}, "reader_count_by_subject_area"=>{"Unspecified"=>4, "Engineering"=>1, "Environmental Science"=>8, "Biochemistry, Genetics and Molecular Biology"=>7, "Agricultural and Biological Sciences"=>76, "Medicine and Dentistry"=>1, "Arts and Humanities"=>1, "Physics and Astronomy"=>1, "Social Sciences"=>1, "Earth and Planetary Sciences"=>3}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>1}, "Social Sciences"=>{"Social Sciences"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>3}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>76}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>7}, "Unspecified"=>{"Unspecified"=>4}, "Environmental Science"=>{"Environmental Science"=>8}, "Arts and Humanities"=>{"Arts and Humanities"=>1}}, "reader_count_by_country"=>{"Argentina"=>2, "United States"=>3, "Japan"=>1, "Brazil"=>2, "Mexico"=>5, "United Kingdom"=>1, "Switzerland"=>1, "Germany"=>1}, "group_count"=>5}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/291611", "https://ndownloader.figshare.com/files/291686", "https://ndownloader.figshare.com/files/291748", "https://ndownloader.figshare.com/files/291801"], "description"=>"<div><h3>Background</h3><p>The species <em>Zea mays</em> includes both domesticated maize (ssp. <em>mays</em>) and its closest wild relatives known as the teosintes. While genetic and archaeological studies have provided a well-established history of <em>Z. mays</em> evolution, there is currently minimal description of its current and past distribution. Here, we implemented species distribution modeling using paleoclimatic models of the last interglacial (LI; ∼135,000 BP) and the last glacial maximum (LGM; ∼21,000 BP) to hindcast the distribution of <em>Zea mays</em> subspecies over time and to revisit current knowledge of its phylogeography and evolutionary history.</p> <h3>Methodology/Principal Findings</h3><p>Using a large occurrence data set and the distribution modeling MaxEnt algorithm, we obtained robust present and past species distributions of the two widely distributed teosinte subspecies (ssps. <em>parviglumis</em> and <em>mexicana</em>) revealing almost perfect complementarity, stable through time, of their occupied distributions. We also investigated the present distributions of primitive maize landraces, which overlapped but were broader than those of the teosintes. Our data reinforced the idea that little historical gene flow has occurred between teosinte subspecies, but maize has served as a genetic bridge between them. We observed an expansion of teosinte habitat from the LI, consistent with population genetic data. Finally, we identified locations potentially serving as refugia for the teosintes throughout epochs of climate change and sites that should be targeted in future collections.</p> <h3>Conclusion/Significance</h3><p>The restricted and highly contrasting ecological niches of the wild teosintes differ substantially from domesticated maize. Variables determining the distributions of these taxa can inform future considerations of local adaptation and the impacts of climate change. Our assessment of the changing distributions of <em>Zea mays</em> taxa over time offers a unique glimpse into the history of maize, highlighting a strategy for the study of domestication that may prove useful for other species.</p> </div>", "links"=>[], "tags"=>["inferences", "domesticated", "maize", "evolutionary", "insight"], "article_id"=>117406, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology", "Cell Biology", "Evolutionary Biology"], "users"=>["Matthew B. Hufford", "Enrique Martínez-Meyer", "Brandon S. Gaut", "Luis E. Eguiarte", "Maud I. Tenaillon"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0047659.s001", "https://dx.doi.org/10.1371/journal.pone.0047659.s002", "https://dx.doi.org/10.1371/journal.pone.0047659.s003", "https://dx.doi.org/10.1371/journal.pone.0047659.s004"], "stats"=>{"downloads"=>13, "page_views"=>14, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/Inferences_from_the_Historical_Distribution_of_Wild_and_Domesticated_Maize_Provide_Ecological_and_Evolutionary_Insight__/117406", "title"=>"Inferences from the Historical Distribution of Wild and Domesticated Maize Provide Ecological and Evolutionary Insight", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2012-11-14 02:03:26"}
  • {"files"=>["https://ndownloader.figshare.com/files/542764"], "description"=>"<p>For each variable, averages across 10 replicates based on occurrence data included in the training set are reported. Significance of the contribution of bioclimatic variables to the present distributions was assessed using three measures: the percent contribution of variables, the permutation importance, and the individual variable contribution (see <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0047659#s4\" target=\"_blank\">Materials and Methods</a>). In bold are the variables for which all three measures were ranked among the top-five values and, in italics, variables for which two of three values were in the top-five.</p>a<p>: Bioclimatic variables defined as: BIO1 = Annual Mean Temperature (°C*10), BIO2 = Mean Diurnal Range (Mean of Monthly Maximum Temperature - Minimum Temperature;°C*10), BIO3 = Isothermality (BIO2/BIO7) (*100), BIO4 = Temperature Seasonality (standard deviation *100), BIO5 = Maximum Temperature of Warmest Month (°C*10), BIO6 = Minimum Temperature of Coldest Month (°C*10), BIO7 = Temperature Annual Range (BIO5–BIO6; °C*10), BIO8 = Mean Temperature of Wettest Quarter (°C*10), BIO9 = Mean Temperature of Driest Quarter (°C*10), BIO10 = Mean Temperature of Warmest Quarter (°C*10), BIO11 = Mean Temperature of Coldest Quarter (°C*10), BIO12 = Annual Precipitation (mm), BIO13 = Precipitation of Wettest Month (mm), BIO14 = Precipitation of Driest Month (mm), BIO15 = Precipitation Seasonality (Coefficient of Variation), BIO16 = Precipitation of Wettest Quarter (mm), BIO17 = Precipitation of Driest Quarter (mm), BIO18 = Precipitation of Warmest Quarter (mm), BIO19 = Precipitation of Coldest Quarter (mm).</p>", "links"=>[], "tags"=>["19", "bioclimatic", "variables", "distributions", "maize", "landraces"], "article_id"=>213257, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology", "Plant Biology", "Evolutionary Biology"], "users"=>["Matthew B. Hufford", "Enrique Martínez-Meyer", "Brandon S. Gaut", "Luis E. Eguiarte", "Maud I. Tenaillon"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047659.t002", "stats"=>{"downloads"=>4, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Values_and_contribution_of_19_bioclimatic_variables_to_present_distributions_of_maize_landraces_and_teosintes_/213257", "title"=>"Values and contribution of 19 bioclimatic variables to present distributions of maize landraces and teosintes.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-11-14 00:54:17"}
  • {"files"=>["https://ndownloader.figshare.com/files/542656"], "description"=>"<p>Overlapping models of the current distributions of primitive maize landraces.</p>", "links"=>[], "tags"=>["models", "distributions", "primitive", "maize"], "article_id"=>213150, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology", "Plant Biology", "Evolutionary Biology"], "users"=>["Matthew B. Hufford", "Enrique Martínez-Meyer", "Brandon S. Gaut", "Luis E. Eguiarte", "Maud I. Tenaillon"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047659.g003", "stats"=>{"downloads"=>3, "page_views"=>29, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Overlapping_models_of_the_current_distributions_of_primitive_maize_landraces_/213150", "title"=>"Overlapping models of the current distributions of primitive maize landraces.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-11-14 00:52:30"}
  • {"files"=>["https://ndownloader.figshare.com/files/542805"], "description"=>"<p>Geographic area, percent current overlap and elevation shifts deduced from the present, last glacial maximum (LGM; based on two General Circulation Models, CCSM3 and MIROC3.2) and last interglacial (LI) potential distributions of <i>parviglumis</i> and <i>mexicana</i>.</p>", "links"=>[], "tags"=>["percent", "overlap", "elevation", "shifts", "deduced", "glacial", "circulation", "ccsm3", "interglacial", "distributions"], "article_id"=>213291, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology", "Plant Biology", "Evolutionary Biology"], "users"=>["Matthew B. Hufford", "Enrique Martínez-Meyer", "Brandon S. Gaut", "Luis E. Eguiarte", "Maud I. Tenaillon"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047659.t001", "stats"=>{"downloads"=>1, "page_views"=>2, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Geographic_area_percent_current_overlap_and_elevation_shifts_deduced_from_the_present_last_glacial_maximum_LGM_based_on_two_General_Circulation_Models_CCSM3_and_MIROC3_2_and_last_interglacial_LI_potential_distributions_of_parviglumis_and_mexicana_/213291", "title"=>"Geographic area, percent current overlap and elevation shifts deduced from the present, last glacial maximum (LGM; based on two General Circulation Models, CCSM3 and MIROC3.2) and last interglacial (LI) potential distributions of <i>parviglumis</i> and <i>mexicana</i>.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2012-11-14 00:54:51"}
  • {"files"=>["https://ndownloader.figshare.com/files/542538"], "description"=>"<p>The distributions of <i>parviglumis</i> (A, CCSM3 and B, MIROC3.2) and <i>mexicana</i> (C, CCSM3 and D, MIROC3.2) during the Last Interglacial, Last Glacial Maximum, and currently.</p>", "links"=>[], "tags"=>["models", "distributions"], "article_id"=>213034, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology", "Plant Biology", "Evolutionary Biology"], "users"=>["Matthew B. Hufford", "Enrique Martínez-Meyer", "Brandon S. Gaut", "Luis E. Eguiarte", "Maud I. Tenaillon"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047659.g002", "stats"=>{"downloads"=>1, "page_views"=>8, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Overlapping_models_of_the_changing_distributions_of_the_teosintes_/213034", "title"=>"Overlapping models of the changing distributions of the teosintes.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-11-14 00:50:34"}
  • {"files"=>["https://ndownloader.figshare.com/files/542405"], "description"=>"<p>Occurrence data used to model the distributions of <i>parviglumis</i> (gray triangles) and <i>mexicana</i> (black circles). Overlap of the two distributions is indicated in yellow. Numbers denote archaeological evidence of ancient maize: 1) Guila Naquitz (6,250 BP; <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0047659#pone.0047659-Piperno2\" target=\"_blank\">[13]</a>), 2) San Andres (7,300 BP; <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0047659#pone.0047659-Pohl1\" target=\"_blank\">[14]</a>), 3) San Marcos (5,500 BP <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0047659#pone.0047659-Long1\" target=\"_blank\">[50]</a>), 4) Iguala (8,700 BP <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0047659#pone.0047659-Piperno1\" target=\"_blank\">[11]</a>), 5) Veracruz (4,500 BP <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0047659#pone.0047659-Sluyter1\" target=\"_blank\">[51]</a>). Letters represent Mexican states as described in the legend. Circled areas indicate potential gaps in current collections of <i>parviglumis</i> (dark green) and <i>mexicana</i> (dark red).</p>", "links"=>[], "tags"=>["distributions"], "article_id"=>212901, "categories"=>["Information And Computing Sciences", "Biological Sciences", "Ecology", "Plant Biology", "Evolutionary Biology"], "users"=>["Matthew B. Hufford", "Enrique Martínez-Meyer", "Brandon S. Gaut", "Luis E. Eguiarte", "Maud I. Tenaillon"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0047659.g001", "stats"=>{"downloads"=>0, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Models_of_the_current_distributions_of_the_wild_teosintes_parviglumis_and_mexicana_/212901", "title"=>"Models of the current distributions of the wild teosintes, <i>parviglumis</i> and <i>mexicana</i>.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2012-11-14 00:48:21"}

PMC Usage Stats | Further Information

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Relative Metric

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