Unraveling uranium induced oxidative stress related responses in Arabidopsis thaliana seedlings. Part II: responses in the leaves and general conclusions

Uranium exposure induces nitric oxide and hydrogen peroxide generation in Arabidopsis thaliana

“…A small root-to-shoot transport of U is in consonance with previous studies conducted on A. thaliana exposed to 25 mM U at various pH regimes (Saenen et al, 2013;Vanhoudt et al, 2014Vanhoudt et al, , 2008. A similar inhibition in the shoot growth of U-exposed A. thaliana plants has been reported previously (Saenen et al, 2013;Vanhoudt et al, 2011aVanhoudt et al, , 2014Vanhoudt et al, , 2008. In the roots, U exposure, surprisingly, did not cause any decrease in dry weight (Fig.…”

TherolBGene Suppresses Reactive Oxygen Species in Transformed Plant Cells through the Sustained Activation of Antioxidant Defense

“…According to the literature data, Arabidopsis leaves in normal physiological conditions contain 152 to 263 nmol g 21 FW GSH and 21-75 nmol g 21 FW GSSG, thus maintaining the GSH/GSSG ratio in the range of 2.0 to 12.5 (Vanhoudt et al, 2011). In transformed Arabidopsis cells, rolB caused a moderate increase of the GSH content and GSH/GSSG ratio (compared with vector control cells), but these values remained within the normal physiological parameters (Table V).…”

Unraveling uranium induced oxidative stress related responses in Arabidopsis thaliana seedlings. Part I: responses in the roots

“…In this Part I, oxidative stress related responses in the roots will be discussed. In Part II, oxidative stress related responses in the leaves are discussed and general conclusions are drawn based on the results from the roots and the leaves (Vanhoudt et al, 2011).…”