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@article{1637618,
author = {Kovacik, Jozef and Novotny, Vit and Bujdos, Marek and Dresler, Slawomir and Hladky, Juraj and Babula, Petr},
article_location = {Amsterdam},
article_number = {FEB 5 2020},
doi = {http://dx.doi.org/10.1016/j.jhazmat.2019.121250},
keywords = {Antioxidants; Bioaccumulation; Environmental risk; Herbicides; Oxidative stress},
language = {eng},
issn = {0304-3894},
journal = {Journal of Hazardous Materials},
title = {Glyphosate does not show higher phytotoxicity than cadmium: Cross talk and metabolic changes in common herb},
url = {http://dx.doi.org/10.1016/j.jhazmat.2019.121250},
volume = {383},
year = {2020}
}
TY - JOUR
ID - 1637618
AU - Kovacik, Jozef - Novotny, Vit - Bujdos, Marek - Dresler, Slawomir - Hladky, Juraj - Babula, Petr
PY - 2020
TI - Glyphosate does not show higher phytotoxicity than cadmium: Cross talk and metabolic changes in common herb
JF - Journal of Hazardous Materials
VL - 383
IS - FEB 5 2020
SP - 1-10
EP - 1-10
PB - Elsevier Science BV.
SN - 03043894
KW - Antioxidants
KW - Bioaccumulation
KW - Environmental risk
KW - Herbicides
KW - Oxidative stress
UR - http://dx.doi.org/10.1016/j.jhazmat.2019.121250
L2 - http://dx.doi.org/10.1016/j.jhazmat.2019.121250
N2 - Toxicity of glyphosate (G) alone or in combination with cadmium (Cd) was studied in Matricaria chamomilla. Cadmium accumulated in shoots and roots in relation to prolonged exposure while glyphosate and amino-methylphosphonic acid (AMPA) were detected only in roots. After 7 days of exposure, root Cd and G accumulation was similar (56 mu g G or 47 mu g Cd/g DW in 1 mu M treatments and 330 mu g G or 321 mu g Cd/g DW in 10 mu M treatments). Despite this fact, Cd stimulated higher ROS formation and G rather suppressed nitric oxide while H2O2 content was elevated by Cd. Subsequent assay of antioxidative enzymes (SOD, CAT, and APX) showed only the impact of Cd. Non-enzymatic antioxidants revealed more pronounced impact of Cd on ascorbic acid and soluble phenols while non-protein thiols showed synergistic effect of G and Cd in roots. Surprisingly, G alone or in combination with Cd depleted shoot citrate and tartrate accumulation despite no detectable G in shoots. In the roots, Cd evoked expected increase in malate and citrate content while G rather suppressed Cd-induced elevation. These data indicate that glyphosate is less toxic than cadmium but even low G doses are able to induce metabolic changes.
ER -
KOVACIK, Jozef, Vit NOVOTNY, Marek BUJDOS, Slawomir DRESLER, Juraj HLADKY and Petr BABULA. Glyphosate does not show higher phytotoxicity than cadmium: Cross talk and metabolic changes in common herb. \textit{Journal of Hazardous Materials}. Amsterdam: Elsevier Science BV., 2020, vol.~383, FEB 5 2020, p.~1-10. ISSN~0304-3894. Available from: https://dx.doi.org/10.1016/j.jhazmat.2019.121250.
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