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@proceedings{770975, author = {Váňová, Lucie and Kummerová, Marie and Klemš, Marek and Fišerová, Helena and Zezulka, Štěpán}, booktitle = {SETAC Europe 18th Annual Meeting Warsaw 2008 - World under stress: scientific and applied issues in environmental toxicology and chemistry. Abstract Book}, keywords = {fluoranthene; biomarkers; ethylene; cytokinins; abscisic acid; Pisum sativum L.; in vitro;}, language = {eng}, isbn = {3-227-70538-9}, title = {Endogenous phytohormones content as a sensitive indicator of polycyclic aromatic hydrocarbon pollution}, year = {2008} }
TY - CONF ID - 770975 AU - Váňová, Lucie - Kummerová, Marie - Klemš, Marek - Fišerová, Helena - Zezulka, Štěpán PY - 2008 TI - Endogenous phytohormones content as a sensitive indicator of polycyclic aromatic hydrocarbon pollution SN - 3227705389 KW - fluoranthene KW - biomarkers KW - ethylene KW - cytokinins KW - abscisic acid KW - Pisum sativum L. KW - in vitro; N2 - Plants are dominant biotic component of terrestrial ecosystems and stand at the beginning of the food chain. The plant have abilities to take up, translocate, transform and accumulate environmental contaminants. With the increasing environmental contamination it is necessary to study the phytotoxicity of polycyclic aromatic hydrocarbons (PAHs), which can affect several biochemical and physiological processes in plants. The processes of growth and differentiation in plants are controlled primarily by a system of endogenous growth regulators. The aim of the present study was to evaluate the effect of increasing concentration of PAH fluoranthene on the endogenous phytohormones content in pea plants (Pisum sativum L.) cultivated in vitro. The endogenous phytohormones ethylene, cytokinins (DHZR, iP, BA, BAR, mT, mTR) and abscisic acid were determined. Their content increased in positive correlation with increasing fluoranthene loading. The same stressor in lower concentration could also inhibit the synthesis of phytohormones. ER -
VÁŇOVÁ, Lucie, Marie KUMMEROVÁ, Marek KLEMŠ, Helena FIŠEROVÁ and Štěpán ZEZULKA. Endogenous phytohormones content as a sensitive indicator of polycyclic aromatic hydrocarbon pollution. In \textit{SETAC Europe 18th Annual Meeting Warsaw 2008 - World under stress: scientific and applied issues in environmental toxicology and chemistry. Abstract Book}. 2008. ISBN~3-227-70538-9.
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