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| 8. |  | ALONSO, R.; SORIA, S.; LUPO, S.; BETTUCCI, L.; PÉREZ, C. Alternativas de manejo de enfermedades foliares en plantaciones jóvenes de Eucalyptus globulus. In: BALMELLI, G.; SIMETO, S.; MARTÍNEZ, G.; GÓMEZ, D. (Eds.). V Jornada técnica de protección forestal. Avances de investigación en plagas y enfermedades forestales Montevideo (UY): INIA, 2013. p. 39-44 (INIA Serie Técnica; 209)| Biblioteca(s): INIA Tacuarembó. |
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| 12. | | AVILA, J.; TISCORNIA, S.; ALONSO, R.; MARTÍNEZ, G.; LUPO, S. Efectividad de hongos antagonistas para el control biológico de Botrytis cinerea en Eucalyptus: resultados preliminares. In: Sociedad Uruguaya de Fitopatología Jornada Uruguaya de Fitopatología, 6., Jornada Uruguaya de Protección Vegetal, 4., 21-22 octubre, 2021, Montevideo, Uruguay. Libro de resúmenes. Montevideo (UY): Sociedad Uruguay de Fitopatología (SUFIT), 2021. p. 25. Financiamiento: Convenio Facultad de Ciencias - INIA Tacuarembó.| Biblioteca(s): INIA Treinta y Tres. |
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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
22/10/2021 |
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Actualizado : |
22/10/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
GAINES, T.A.; SLAVOV, G.T.; HUGHES, D.; KÜPPER, A.; SPARKS, C.; OLIVA, J.; VILA-AIUB, M.; GARCIA, A.; MEROTTO JR. , A.; NEVE, P. |
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Afiliación : |
TODD A GAINES, Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA.; GANCHO T SLAVOV, Titokorangi Drive, Rotorua, 3010; Bayer AG, Crop Science Division, Weed Control, 65926, Frankfurt am Main, Germany.; DAVID HUGHES, Bayer AG, Crop Science Division, Weed Control, 65926, Frankfurt am Main, Germany.; ANITA KÜPPER, Department of Agricultural Biology, Colorado State University, Fort Collins, CO, 80523, USA.; CRYSTAL SPARKS, Department of Agricultural Biology, Colorado State University, Fort Collins, CO, 80523, USA.; JULIAN OLIVA, Protección Vegetal-FCA, Universidad Católica de Córdoba (UCC), Campus Avenida Armada Argentina 3555 (X5016DHK, Córdoba, Argentina.; MARTIN VILA-AIUB, IFEVA - CONICET - Faculty of Agronomy, Department of Ecology, University of Buenos Aires (UBA), Buenos Aires, Argentina.; MILTON ALEJANDRO GARCIA LATASA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALDO MEROTTO JR., Department of Crop Science, Federal University of Rio Grande do Sul, Porto Alegre, RS, 91501-970, Brazil.; PAUL NEVE, Rothamsted Research, West Common, Harpenden, Hertfordshire, AL5 2JQ, United Kingdom. |
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Título : |
Investigating the origins and evolution of a glyphosate-resistant weed invasion in South America. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Molecular Ecolology, 2021 Oct 12. [Article in Press]. Doi: https://doi.org/10.1111/mec.16221. |
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DOI : |
10.1111/mec.16221 |
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Idioma : |
Inglés |
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Notas : |
Article history: First published: 12 October 2021. |
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Contenido : |
Abstract:
The global invasion, and subsequent spread and evolution of weeds provides unique opportunities to address fundamental questions in evolutionary and invasion ecology. Amaranthus palmeri is a widespread glyphosate-resistant (GR) weed in the USA. Since 2015, GR populations of A. palmeri have been confirmed in South America, raising questions about introduction pathways and the importance of pre- versus post-invasion evolution of GR traits. We used RAD-Seq genotyping to characterize genetic structure of populations from Brazil, Argentina, Uruguay and the USA. We also quantified gene copy number of the glyphosate target, 5-enolpyruvyl-3-shikimate phosphate synthase (EPSPS) and the presence of an extra-chromosomal circular DNA (eccDNA) replicon known to confer GR in USA populations. Populations in Brazil, Argentina, and Uruguay were only weakly differentiated (pairwise FST ? 0.043) in comparison to USA populations (mean pairwise FST = 0.161, range = 0.068-0.258), suggesting a single major invasion event. However, elevated EPSPS copy number and the EPSPS replicon were identified in all populations from Brazil and Uruguay, but only in a single Argentinean population. These observations are consistent with independent in situ evolution of glyphosate resistance in Argentina, followed by some limited recent migration of the eccDNA based mechanism from Brazil to Argentina. Taken together, our results are consistent with an initial introduction of A. palmeri into South America sometime before the 1980s, and local evolution of GR in Argentina, followed by a secondary invasion of GR A. palmeri with the unique eccDNA based mechanism from the USA into Brazil and Uruguay during the 2010?s. MenosAbstract:
The global invasion, and subsequent spread and evolution of weeds provides unique opportunities to address fundamental questions in evolutionary and invasion ecology. Amaranthus palmeri is a widespread glyphosate-resistant (GR) weed in the USA. Since 2015, GR populations of A. palmeri have been confirmed in South America, raising questions about introduction pathways and the importance of pre- versus post-invasion evolution of GR traits. We used RAD-Seq genotyping to characterize genetic structure of populations from Brazil, Argentina, Uruguay and the USA. We also quantified gene copy number of the glyphosate target, 5-enolpyruvyl-3-shikimate phosphate synthase (EPSPS) and the presence of an extra-chromosomal circular DNA (eccDNA) replicon known to confer GR in USA populations. Populations in Brazil, Argentina, and Uruguay were only weakly differentiated (pairwise FST ? 0.043) in comparison to USA populations (mean pairwise FST = 0.161, range = 0.068-0.258), suggesting a single major invasion event. However, elevated EPSPS copy number and the EPSPS replicon were identified in all populations from Brazil and Uruguay, but only in a single Argentinean population. These observations are consistent with independent in situ evolution of glyphosate resistance in Argentina, followed by some limited recent migration of the eccDNA based mechanism from Brazil to Argentina. Taken together, our results are consistent with an initial introduction of A. palmeri into South Americ... Presentar Todo |
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Palabras claves : |
Amaranthus palmeri; Herbicide resistance; Palmer amaranth; Population genomics; RAD-Seq. |
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Thesagro : |
HERBICIDAS. |
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Asunto categoría : |
H60 Malezas y escardas |
|
Marc : |
LEADER 02697naa a2200325 a 4500
001 1062486
005 2021-10-22
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1111/mec.16221$2DOI
100 1 $aGAINES, T.A.
245 $aInvestigating the origins and evolution of a glyphosate-resistant weed invasion in South America.$h[electronic resource]
260 $c2021
500 $aArticle history: First published: 12 October 2021.
520 $aAbstract: The global invasion, and subsequent spread and evolution of weeds provides unique opportunities to address fundamental questions in evolutionary and invasion ecology. Amaranthus palmeri is a widespread glyphosate-resistant (GR) weed in the USA. Since 2015, GR populations of A. palmeri have been confirmed in South America, raising questions about introduction pathways and the importance of pre- versus post-invasion evolution of GR traits. We used RAD-Seq genotyping to characterize genetic structure of populations from Brazil, Argentina, Uruguay and the USA. We also quantified gene copy number of the glyphosate target, 5-enolpyruvyl-3-shikimate phosphate synthase (EPSPS) and the presence of an extra-chromosomal circular DNA (eccDNA) replicon known to confer GR in USA populations. Populations in Brazil, Argentina, and Uruguay were only weakly differentiated (pairwise FST ? 0.043) in comparison to USA populations (mean pairwise FST = 0.161, range = 0.068-0.258), suggesting a single major invasion event. However, elevated EPSPS copy number and the EPSPS replicon were identified in all populations from Brazil and Uruguay, but only in a single Argentinean population. These observations are consistent with independent in situ evolution of glyphosate resistance in Argentina, followed by some limited recent migration of the eccDNA based mechanism from Brazil to Argentina. Taken together, our results are consistent with an initial introduction of A. palmeri into South America sometime before the 1980s, and local evolution of GR in Argentina, followed by a secondary invasion of GR A. palmeri with the unique eccDNA based mechanism from the USA into Brazil and Uruguay during the 2010?s.
650 $aHERBICIDAS
653 $aAmaranthus palmeri
653 $aHerbicide resistance
653 $aPalmer amaranth
653 $aPopulation genomics
653 $aRAD-Seq
700 1 $aSLAVOV, G.T.
700 1 $aHUGHES, D.
700 1 $aKÜPPER, A.
700 1 $aSPARKS, C.
700 1 $aOLIVA, J.
700 1 $aVILA-AIUB, M.
700 1 $aGARCIA, A.
700 1 $aMEROTTO JR. , A.
700 1 $aNEVE, P.
773 $tMolecular Ecolology, 2021 Oct 12. [Article in Press]. Doi: https://doi.org/10.1111/mec.16221.
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