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Kieffer, P.* ; Schröder, P. ; Dommes, J.* ; Hoffmann, L.* ; Renaut, J.* ; Hausman, J.F.*

Proteomic and enzymatic response of poplar to cadmium stress.

J. Proteomics 72, (Sp. Iss. SI), 379-396 (2009)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
This study highlights proteomic and enzymatic changes in roots and leaves of actively growing poplar plants upon a cadmium stress exposure. Proteomic changes in response to a short-term (14 days), as well as a longer term (56 days) treatment are observed between the different organs. In leaves, stress-related proteins, like heat shock proteins, proteinases and pathogenesis-related proteins increased in abundance. A response similar to a hypersensitive response upon plant-pathogen interaction seemed to be induced. Concerning roots it appeared that the metabolic impact of cadmium was more deleterious than in leaves. This is evidenced by the early increase in abundance of many typical stress-related proteins like heat shock proteins, or glutathione-S-transferases, while most proteins from the primary metabolism (glycolysis, tricarboxylic acid cycle, nitrogen metabolism, sulfur metabolism) were severely decreased in abundance. Additionally the impact of cadmium on the glutathione metabolism could be assessed by activity assays of several important enzymes. Cadmium treatment had an inhibitory effect on glutathione reductase and ascorbate peroxidase in leaves, but not in roots. Conversely, glutathione-S-transferase showed a higher activity (and abundance) in roots but not in leaves.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Cadmium; Enzymatic activity assays; Roots; Leaves; Glutathione-S-transferase; DIGE; heavy-metal accumulation; glutathione-s-transferases; arabidopsis-thaliana; biomass production; oxidative stress; clonal variation; coppice culture; plants; toxicity; tolerance
Sprache englisch
Veröffentlichungsjahr 2009
HGF-Berichtsjahr 2009
ISSN (print) / ISBN 1874-3919
e-ISSN 1876-7737
Zeitschrift Journal of Proteomics
Quellenangaben Band: 72, Heft: 3, Seiten: 379-396, Artikelnummer: , Supplement: (Sp. Iss. SI)
Verlag Elsevier
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Microbe-Plant Interactions (AMP)
POF Topic(s) 20402 - Sustainable Plant Production
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504600-002
DOI 10.1016/j.jprot.2009.01.014
Scopus ID 63549128245
PubMed ID 19367735
Erfassungsdatum 2009-12-31
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