Serveur d'exploration sur le peuplier

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Populus × canescens grown on Cr-rich tannery waste: Comparison of leaf and root biochemical and proteomic responses.

Identifieur interne : 001B84 ( Main/Exploration ); précédent : 001B83; suivant : 001B85

Populus × canescens grown on Cr-rich tannery waste: Comparison of leaf and root biochemical and proteomic responses.

Auteurs : Agata Zemleduch-Barylska [Pologne] ; Gabriela Lorenc-Pluci Ska [Pologne]

Source :

RBID : pubmed:25749730

Descripteurs français

English descriptors

Abstract

Treatment of tannery effluents generates large amounts of sediments containing concentrated doses of metals (mainly chromium). Such waste is most commonly disposed of by landfilling, which is hazardous to the ecosystem due to Cr leaching. Afforestation of disposal sites with fast growing trees could stabilize contaminants in the soil and prevent them from spreading. The aim of this study was to examine the adaptation of Populus × canescens Sm. to tannery waste using biochemical and proteomic methods. We analyzed changes in the leaves and fine roots of poplar planted in soil or tannery waste. We found no obvious symptoms of metal stress, such as: elevated hydrogen peroxide levels or lipid peroxidation, but we observed activation of many elements of antioxidative system. Comparison of 2-DE protein profiles of leaves and fine roots from poplar grown on soil or tannery waste revealed increased expression of glycolytic enzymes and proteins involved in the synthesis of cell wall components, changes in the levels of proteins associated with photosynthesis, stress-related proteins, proteasome subunits and methionine biosynthesis enzymes. This experiment demonstrated that proteomic analysis has the potential to link the effects of Cr-rich tannery waste with biological consequences.

DOI: 10.1016/j.plaphy.2015.02.014
PubMed: 25749730


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<term>Chromium (pharmacology)</term>
<term>Oxidative Stress (MeSH)</term>
<term>Plant Leaves (drug effects)</term>
<term>Plant Leaves (metabolism)</term>
<term>Plant Roots (drug effects)</term>
<term>Plant Roots (metabolism)</term>
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<term>Populus (metabolism)</term>
<term>Proteome (metabolism)</term>
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<term>Soil (chemistry)</term>
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<term>Chrome (pharmacologie)</term>
<term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Feuilles de plante (effets des médicaments et des substances chimiques)</term>
<term>Feuilles de plante (métabolisme)</term>
<term>Polluants du sol (pharmacologie)</term>
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<term>Populus (métabolisme)</term>
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<term>Racines de plante (métabolisme)</term>
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<div type="abstract" xml:lang="en">Treatment of tannery effluents generates large amounts of sediments containing concentrated doses of metals (mainly chromium). Such waste is most commonly disposed of by landfilling, which is hazardous to the ecosystem due to Cr leaching. Afforestation of disposal sites with fast growing trees could stabilize contaminants in the soil and prevent them from spreading. The aim of this study was to examine the adaptation of Populus × canescens Sm. to tannery waste using biochemical and proteomic methods. We analyzed changes in the leaves and fine roots of poplar planted in soil or tannery waste. We found no obvious symptoms of metal stress, such as: elevated hydrogen peroxide levels or lipid peroxidation, but we observed activation of many elements of antioxidative system. Comparison of 2-DE protein profiles of leaves and fine roots from poplar grown on soil or tannery waste revealed increased expression of glycolytic enzymes and proteins involved in the synthesis of cell wall components, changes in the levels of proteins associated with photosynthesis, stress-related proteins, proteasome subunits and methionine biosynthesis enzymes. This experiment demonstrated that proteomic analysis has the potential to link the effects of Cr-rich tannery waste with biological consequences.</div>
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