Article (Scientific journals)
Physiological and proteomic responses of different willow clones (Salix fragilis x alba) exposed to dredged sediment contaminated by heavy metals
Evlard, Aricia; Sergeant, Kjell; Ferrandis, Salvador et al.
2014In International Journal of Phytoremediation, 16 (11), p. 1148-1169
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Keywords :
2-DiGE; antioxidant defence; variable fluorescence
Abstract :
[en] High biomass producing species are considered as tools for remediation of contaminated soils. Willows (Salix spp.) are prominent study subjects in this regard. In this study, different willow clones (Salix fragilis x alba) were planted on heavy-metal polluted dredging sludge. A first objective was assessment of the biomass production for these clones. Using a Gupta statistic, four clones were identified as high biomass producers (HBP). For comparison, a group of four clones with lowest biomass production were selected (LBP). A second objective was to compare metal uptake as well as the physiological and proteomic responses of these two groups. All these complementary data's allow us to have a better picture of the health of the clones that would be used in phytoremediation programs. Cd, Zn, and Ni total uptake was higher in the HBPs but Pb total uptake was higher in LBPs. Our proteomic and physiological results showed that the LBPs were able to maintain cellular activity as much as the HBPs although the oxidative stress response was more pronounced in the LBPs. This could be due to the high Pb content found in this group although a combined effect of the other metals cannot be excluded.
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Author, co-author :
Evlard, Aricia ;  Université de Liège - ULiège > Sciences agronomiques > Laboratoire de Toxicologie environnementale
Sergeant, Kjell;  Centre de Recherche Public — Gabriel Lippmann
Ferrandis, Salvador
Printz, Bruno;  Centre de Recherche Public — Gabriel Lippmann
Renaut, Jenny;  Centre de Recherche Public — Gabriel Lippmann
Guignard, Cédric;  Centre de Recherche Public — Gabriel Lippmann
Paul, Roger ;  Université de Liège - ULiège > Sciences agronomiques > Laboratoire de Toxicologie environnementale
Hausman, Jean-Francois;  Centre de Recherche Public — Gabriel Lippmann
Campanella, Bruno
Language :
English
Title :
Physiological and proteomic responses of different willow clones (Salix fragilis x alba) exposed to dredged sediment contaminated by heavy metals
Publication date :
2014
Journal title :
International Journal of Phytoremediation
ISSN :
1522-6514
eISSN :
1549-7879
Publisher :
Taylor & Francis Ltd
Volume :
16
Issue :
11
Pages :
1148-1169
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 12 March 2014

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