DIFFERENTIAL EFFECTS OF EXOGENOUS RESVERATROL ON THE GROWTH AND ENERGY METABOLISM OF AND THE WEED .

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ID: 90864
2020
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Abstract
An increase in crop competitiveness relative to weed interference has the potential to reduce crop yield losses. In this study, the effects of phytoalexin resveratrol were examined in Zea mays L. (corn) and in the weed species Ipomoea grandifolia (Dammer) O'Donell (morning glory). At a concentration range from 220 to 2200 µM resveratrol exerted a stimulus on Z. mays seedling growth that was more pronounced at low concentrations; in the weed species I. grandifolia, resveratrol exerted inhibitory action on seedling growth in all the assayed concentration range. In I. grandifolia, resveratrol also inhibited the respiratory activity of the primary roots. In mitochondria isolated from Z. mays roots, resveratrol at concentrations above 440 µM inhibited the respiration coupled to ADP phosphorylation and the activities of NADH oxidase, succinate oxidase and ATPsynthase. These effects were not reproduced in Z. mays grown in the presence of resveratrol as the respiratory activities of the roots were not affected. The finding that the resveratrol exerts beneficial effects on growth of Z. mays seedlings and inhibits the growth of I. grandifolia, heightens the potential of resveratrol application for crop protection.
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mantovanelli2020differentialjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Mantovanelli, Gislaine Cristiane;Mito, Márcio Shigueaki;Moreira da Costa Menezes, Paulo Vinicius;Contesoto, Isabela de Carvalho;Alves do Nascimento, Caroline Ribeiro;Wagner Zampieri, Ana Luiza;Stulp, Gabriel Felipe;Lopes Ricardo, Letycia;Constantin, Rodrigo Polimeni;Ishii-Iwamoto, Emy Luiza;
Journal Journal of agricultural and food chemistry
Year 2020
DOI
10.1021/acs.jafc.9b06304
URL
Keywords
multivariate analysis metabolomics diabetic nephropathy capillary electrophoresis-mass spectrometry human proximal tubular hk-2 cells

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