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dc.contributor.author | Alcántara de la Cruz, Ricardo | - |
dc.contributor.author | Fernández-Moreno, Pablo T. | - |
dc.contributor.author | Ozuna, Carmen | - |
dc.contributor.author | Rojano-Delgado, Antonia María | - |
dc.contributor.author | Cruz-Hipólito, Hugo Enrique | - |
dc.contributor.author | Domínguez Valenzuela, José A. | - |
dc.contributor.author | Barro Losada, Francisco | - |
dc.contributor.author | Prado, R. del | - |
dc.date.accessioned | 2017-07-14T12:02:03Z | - |
dc.date.available | 2017-07-14T12:02:03Z | - |
dc.date.issued | 2016-10-03 | - |
dc.identifier.citation | Frontiers in Plant Science 7: 1492 (2016) | - |
dc.identifier.issn | 1664-462X | - |
dc.identifier.uri | http://hdl.handle.net/10261/153045 | - |
dc.description.abstract | In 2014 hairy beggarticks (Bidens pilosa L.) has been identified as being glyphosate-resistant in citrus orchards from Mexico. The target and non-target site mechanisms involved in the response to glyphosate of two resistant populations (R1 and R2) and one susceptible (S) were studied. Experiments of dose-response, shikimic acid accumulation, uptake-translocation, enzyme activity and 5-enolpyruvyl shikimate-3-phosphate synthase (EPSPS) gene sequencing were carried out in each population. The R1 and R2 populations were 20.4 and 2.8-fold less glyphosate sensitive, respectively, than the S population. The resistant populations showed a lesser shikimic acid accumulation than the S population. In the latter one, 24.9% of 14C-glyphosate was translocated to the roots at 96 h after treatment; in the R1 and R2 populations only 12.9 and 15.5%, respectively, was translocated. Qualitative results confirmed the reduced 14C-glyphosate translocation in the resistant populations. The EPSPS enzyme activity of the S population was 128.4 and 8.5-fold higher than the R1 and R2 populations of glyphosate-treated plants, respectively. A single (Pro-106-Ser), and a double (Thr-102-Ile followed by Pro-106-Ser) mutations were identified in the EPSPS2 gene conferred high resistance in R1 population. Target-site mutations associated with a reduced translocation were responsible for the higher glyphosate resistance in the R1 population. The low-intermediate resistance of the R2 population was mediated by reduced translocation. This is the first glyphosate resistance case confirmed in hairy beggarticks in the world. | - |
dc.description.sponsorship | This work was funded by AGL2013-48946-C3-1-R, and CONACYT-231972 projects. | - |
dc.publisher | Frontiers Media | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Target and Non-target Site Mechanisms Developed by Glyphosate-Resistant Hairy beggarticks (Bidens pilosa L.) Populations from Mexico | - |
dc.type | artículo | - |
dc.identifier.doi | 10.3389/fpls.2016.01492 | - |
dc.description.peerreviewed | Peer reviewed | - |
dc.relation.publisherversion | http://dx.doi.org/10.3389/fpls.2016.01492 | - |
dc.date.updated | 2017-07-14T12:02:03Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | en | - |
dc.rights.holder | Copyright © 2016 Alcántara-de la Cruz, Fernández-Moreno, Ozuna, Rojano-Delgado, Cruz-Hipolito, Domínguez-Valenzuela, Barro and De Prado. | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | Comisión Nacional de Investigación Científica y Tecnológica (Chile) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002848 | es_ES |
dc.identifier.pmid | 27752259 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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Target and Non-target Site Mechanisms Developed.pdf | 1,86 MB | Adobe PDF | Visualizar/Abrir |
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