Impairment of carbon metabolism induced by the herbicide glyphosate

Copyright © 2011 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 169(2012), 1 vom: 01. Jan., Seite 27-33
1. Verfasser: Orcaray, Luis (VerfasserIn)
Weitere Verfasser: Zulet, Amaia, Zabalza, Ana, Royuela, Mercedes
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Comparative Study Journal Article Research Support, Non-U.S. Gov't Aminobutyrates Herbicides phosphinothricin 51276-47-2 Acetolactate Synthase EC 2.2.1.6 Glycine TE7660XO1C
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520 |a The herbicide glyphosate reduces plant growth and causes plant death by inhibiting the biosynthesis of aromatic amino acids. The objective of this work was to determine whether glyphosate-treated plants show a carbon metabolism pattern comparable to that of plants treated with herbicides that inhibit branched-chain amino acid biosynthesis. Glyphosate-treated plants showed impaired carbon metabolism with an accumulation of carbohydrates in the leaves and roots. The growth inhibition detected after glyphosate treatment suggested impaired metabolism that impedes the utilization of available carbohydrates or energy at the expected rate. These effects were common to both types of amino acid biosynthesis inhibitors. Under aerobic conditions, ethanolic fermentative metabolism was enhanced in the roots of glyphosate-treated plants. This fermentative response was not related to changes in the respiratory rate or to a limitation of the energy charge. This response, which was similar for both types of herbicides, might be considered a general response to stress conditions 
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650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Zulet, Amaia  |e verfasserin  |4 aut 
700 1 |a Zabalza, Ana  |e verfasserin  |4 aut 
700 1 |a Royuela, Mercedes  |e verfasserin  |4 aut 
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