Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13
Disease emergence events regularly result from human activities such as agriculture, which frequently brings large populations of genetically uniform hosts into contact with potential pathogens. Although viruses cause nearly 50% of emerging plant diseases, there is little systematic information about virus distribution across agro‐ecological interfaces and large gaps in understanding of virus diversity in nature. Here we applied a novel landscape‐scale geometagenomics approach to examine relationships between agricultural land use and distributions of plant‐associated viruses in two Mediterranean‐climate biodiversity hotspots (Western Cape region of South Africa and Rhône river delta region of France). In total, we analysed 1725 geo‐referenced plant samples collected over two years from 4.5 km x 4.5 km grids spanning farmlands and adjacent uncultivated vegetation. We found substantial virus prevalence (25.8–35.9%) in all ecosystems, but prevalence and identified family‐level virus diversity were greatest in cultivated areas, with some virus families displaying strong agricultural associations. Our survey revealed 94 previously unknown virus species, primarily from uncultivated plants. This is the first effort to systematically evaluate plant‐associated viromes across broad agro‐ecological interfaces. Our findings indicate that agriculture substantially influences plant virus distributions and highlight the extent of current ignorance about the diversity and roles of viruses in nature.
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dig-cirad-fr-5875572022-02-09T07:13:38Z http://agritrop.cirad.fr/587557/ http://agritrop.cirad.fr/587557/ Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13. Bernardo Pauline, Charles-Dominique Tristan, Barakat Mohamed, Ortet Philippe, Fernandez Emmanuel, Filloux Denis, Hartnady Penelope, Rebelo Tony A., Cousins Stephen, Mesleard François, Cohez Damien, Yaverkovski Nicole, Varsani Arvind, Harkins Gordon William, Peterschmitt Michel, Malmstrom Carolyn, Martin Darren Patrick, Roumagnac Philippe. 2018. In : Book of abstract Pathobiome 2018. INRA. Ajaccio : INRA, Résumé, 25-26. Pathobiome, Ajaccio, France, 18 Mars 2018/20 Mars 2018.https://colloque.inra.fr/pathobiome-2018/Abstract-book/Abstract-book <https://colloque.inra.fr/pathobiome-2018/Abstract-book/Abstract-book> Researchers Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13 Bernardo, Pauline Charles-Dominique, Tristan Barakat, Mohamed Ortet, Philippe Fernandez, Emmanuel Filloux, Denis Hartnady, Penelope Rebelo, Tony A. Cousins, Stephen Mesleard, François Cohez, Damien Yaverkovski, Nicole Varsani, Arvind Harkins, Gordon William Peterschmitt, Michel Malmstrom, Carolyn Martin, Darren Patrick Roumagnac, Philippe eng 2018 INRA Book of abstract Pathobiome 2018 Disease emergence events regularly result from human activities such as agriculture, which frequently brings large populations of genetically uniform hosts into contact with potential pathogens. Although viruses cause nearly 50% of emerging plant diseases, there is little systematic information about virus distribution across agro‐ecological interfaces and large gaps in understanding of virus diversity in nature. Here we applied a novel landscape‐scale geometagenomics approach to examine relationships between agricultural land use and distributions of plant‐associated viruses in two Mediterranean‐climate biodiversity hotspots (Western Cape region of South Africa and Rhône river delta region of France). In total, we analysed 1725 geo‐referenced plant samples collected over two years from 4.5 km x 4.5 km grids spanning farmlands and adjacent uncultivated vegetation. We found substantial virus prevalence (25.8–35.9%) in all ecosystems, but prevalence and identified family‐level virus diversity were greatest in cultivated areas, with some virus families displaying strong agricultural associations. Our survey revealed 94 previously unknown virus species, primarily from uncultivated plants. This is the first effort to systematically evaluate plant‐associated viromes across broad agro‐ecological interfaces. Our findings indicate that agriculture substantially influences plant virus distributions and highlight the extent of current ignorance about the diversity and roles of viruses in nature. conference_item info:eu-repo/semantics/conferenceObject Conference info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/587557/1/ID587557.pdf text Cirad license info:eu-repo/semantics/openAccess https://agritrop.cirad.fr/mention_legale.html https://colloque.inra.fr/pathobiome-2018/Abstract-book/Abstract-book info:eu-repo/semantics/altIdentifier/purl/https://colloque.inra.fr/pathobiome-2018/Abstract-book/Abstract-book |
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Disease emergence events regularly result from human activities such as agriculture, which frequently brings large populations of genetically uniform hosts into contact with potential pathogens. Although viruses cause nearly 50% of emerging plant diseases, there is little systematic information about virus distribution across agro‐ecological interfaces and large gaps in understanding of virus diversity in nature. Here we applied a novel landscape‐scale geometagenomics approach to examine relationships between agricultural land use and distributions of plant‐associated viruses in two Mediterranean‐climate biodiversity hotspots (Western Cape region of South Africa and Rhône river delta region of France). In total, we analysed 1725 geo‐referenced plant samples collected over two years from 4.5 km x 4.5 km grids spanning farmlands and adjacent uncultivated vegetation. We found substantial virus prevalence (25.8–35.9%) in all ecosystems, but prevalence and identified family‐level virus diversity were greatest in cultivated areas, with some virus families displaying strong agricultural associations. Our survey revealed 94 previously unknown virus species, primarily from uncultivated plants. This is the first effort to systematically evaluate plant‐associated viromes across broad agro‐ecological interfaces. Our findings indicate that agriculture substantially influences plant virus distributions and highlight the extent of current ignorance about the diversity and roles of viruses in nature. |
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author |
Bernardo, Pauline Charles-Dominique, Tristan Barakat, Mohamed Ortet, Philippe Fernandez, Emmanuel Filloux, Denis Hartnady, Penelope Rebelo, Tony A. Cousins, Stephen Mesleard, François Cohez, Damien Yaverkovski, Nicole Varsani, Arvind Harkins, Gordon William Peterschmitt, Michel Malmstrom, Carolyn Martin, Darren Patrick Roumagnac, Philippe |
spellingShingle |
Bernardo, Pauline Charles-Dominique, Tristan Barakat, Mohamed Ortet, Philippe Fernandez, Emmanuel Filloux, Denis Hartnady, Penelope Rebelo, Tony A. Cousins, Stephen Mesleard, François Cohez, Damien Yaverkovski, Nicole Varsani, Arvind Harkins, Gordon William Peterschmitt, Michel Malmstrom, Carolyn Martin, Darren Patrick Roumagnac, Philippe Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13 |
author_facet |
Bernardo, Pauline Charles-Dominique, Tristan Barakat, Mohamed Ortet, Philippe Fernandez, Emmanuel Filloux, Denis Hartnady, Penelope Rebelo, Tony A. Cousins, Stephen Mesleard, François Cohez, Damien Yaverkovski, Nicole Varsani, Arvind Harkins, Gordon William Peterschmitt, Michel Malmstrom, Carolyn Martin, Darren Patrick Roumagnac, Philippe |
author_sort |
Bernardo, Pauline |
title |
Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13 |
title_short |
Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13 |
title_full |
Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13 |
title_fullStr |
Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13 |
title_full_unstemmed |
Geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. O13 |
title_sort |
geometagenomics illuminates the impact of agriculture on the distribution and prevalence of plant viruses at the ecosystem scale. o13 |
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INRA |
url |
http://agritrop.cirad.fr/587557/ http://agritrop.cirad.fr/587557/1/ID587557.pdf |
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