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http://hdl.handle.net/1942/11305
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DC Field | Value | Language |
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dc.contributor.author | VANHOUDT, Nathalie | - |
dc.contributor.author | VANDENHOVE, Hildegarde | - |
dc.contributor.author | HOREMANS, Nele | - |
dc.contributor.author | Wannijn, Jean | - |
dc.contributor.author | Van Hees, May | - |
dc.contributor.author | VANGRONSVELD, Jaco | - |
dc.contributor.author | CUYPERS, Ann | - |
dc.date.accessioned | 2010-11-10T08:33:42Z | - |
dc.date.available | NO_RESTRICTION | - |
dc.date.available | 2010-11-10T08:33:42Z | - |
dc.date.issued | 2010 | - |
dc.identifier.citation | JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, 101 (11). p. 923-930 | - |
dc.identifier.issn | 0265-931X | - |
dc.identifier.uri | http://hdl.handle.net/1942/11305 | - |
dc.description.abstract | Uranium never occurs as a single pollutant in the environment, but always in combination with other stressors such as ionizing radiation. As effects induced by multiple contaminants can differ markedly from the effects induced by the individual stressors, this multiple pollution context should not be neglected. In this study, effects on growth, nutrient uptake and oxidative stress induced by the single stressors uranium and gamma radiation are compared with the effects induced by the combination of both stressors. By doing this, we aim to better understand the effects induced by the combined stressors but also to get more insight in stressor-specific response mechanisms. Eighteen-day-old Arabidopsis thaliana seedlings were exposed for 3 days to 10 mu M uranium and 3.5 Gy gamma radiation. Gamma radiation interfered with uranium uptake, resulting in decreased uranium concentrations in the roots, but with higher transport to the leaves. This resulted in a better root growth but increased leaf lipid peroxidation. For the other endpoints studied, effects under combined exposure were mostly determined by uranium presence and only limited influenced by gamma presence. Furthermore, an important role is suggested for CAT1/2/3 gene expression under uranium and mixed stressor conditions in the leaves. (C) 2010 Elsevier Ltd. All rights reserved. | - |
dc.description.sponsorship | This work was supported by a PhD grant for Nathalie Vanhoudt from the Belgian Nuclear Research Centre (SCK.CEN). The authors gratefully acknowledge the advice by Anne Laure Lebacq from SCK.CEN for the use of the irradiation facilities. The authors are thankful to Andrew Dobney from SCK.CEN for the element determinations. They are also grateful to Prof. dr. Yves Guisez from the University of Antwerp for the HPLC measurements. | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.rights | (C) 2010 Elsevier Ltd. All rights reserved. | - |
dc.subject.other | Arabidopsis thaliana; Enzyme capacity; Gamma radiation; Gene expression; Oxidative stress; Uranium contamination | - |
dc.subject.other | Arabidopsis thaliana; enzyme capacity; gamma radiation; gene expression; oxidative stress; uranium contamination | - |
dc.title | The combined effect of uranium and gamma radiation on biological responses and oxidative stress induced in Arabidopsis thaliana | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 930 | - |
dc.identifier.issue | 11 | - |
dc.identifier.spage | 923 | - |
dc.identifier.volume | 101 | - |
local.format.pages | 8 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Vanhoudt, Nathalie; Vandenhove, Hildegarde; Horemans, Nele; Wannijn, Jean; Van Hees, May] Belgian Nucl Res Ctr SCK CEN, B-2400 Mol, Belgium. [Vanhoudt, Nathalie; Vangronsveld, Jaco; Cuypers, Ann] Hasselt Univ, Ctr Environm Sci, B-3590 Diepenbeek, Belgium. nvanhoud@sckcen.be | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
dc.bibliographicCitation.oldjcat | A1 | - |
dc.identifier.doi | 10.1016/j.jenvrad.2010.06.008 | - |
dc.identifier.isi | 000282492700005 | - |
item.validation | ecoom 2011 | - |
item.contributor | VANHOUDT, Nathalie | - |
item.contributor | VANDENHOVE, Hildegarde | - |
item.contributor | HOREMANS, Nele | - |
item.contributor | Wannijn, Jean | - |
item.contributor | Van Hees, May | - |
item.contributor | VANGRONSVELD, Jaco | - |
item.contributor | CUYPERS, Ann | - |
item.accessRights | Restricted Access | - |
item.fullcitation | VANHOUDT, Nathalie; VANDENHOVE, Hildegarde; HOREMANS, Nele; Wannijn, Jean; Van Hees, May; VANGRONSVELD, Jaco & CUYPERS, Ann (2010) The combined effect of uranium and gamma radiation on biological responses and oxidative stress induced in Arabidopsis thaliana. In: JOURNAL OF ENVIRONMENTAL RADIOACTIVITY, 101 (11). p. 923-930. | - |
item.fulltext | With Fulltext | - |
crisitem.journal.issn | 0265-931X | - |
crisitem.journal.eissn | 1879-1700 | - |
Appears in Collections: | Research publications |
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vanhoudt 2.pdf Restricted Access | Published version | 252.98 kB | Adobe PDF | View/Open Request a copy |
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