caa a22 4500 467901279 CHVBK 20180406152819.0 cr unu---uuuuu 170328e20060501xx s 000 0 eng 10.1007/s00299-005-0062-9 doi (NATIONALLICENCE)springer-10.1007/s00299-005-0062-9 Sugar-induced tolerance to the herbicide atrazine in Arabidopsis seedlings involves activation of oxidative and xenobiotic stress responses [Elektronische Daten] [Cécile Sulmon, Gwenola Gouesbet, Abdelhak Amrani, Ivan Couée] Exogenous sucrose confers to Arabidopsis seedlings a very high level of tolerance to the herbicide atrazine that cannot be ascribed to photoheterotrophic growth. Important differences of atrazine tolerance between sucrose and glucose treatments showed that activation of chloroplast biogenesis per se could not account for induced tolerance. Sucrose-induced acquisition of defence mechanisms was shown by the gene expression pattern of a chloroplastic iron superoxide dismutase and by enhancement of whole-cell glucose-6-phosphate dehydrogenase activity. Activation of these defence mechanisms depended on both soluble sugar and atrazine. Moreover, acquisition of sucrose protection was shown to unmask atrazine-induced gene expression, such as that of a cytosolic glutathione-S-transferase, which remained otherwise cryptic because of the lethal effects of atrazine in the absence of soluble sugars. Springer-Verlag, 2005 Atrazine nationallicence Oxidative stress nationallicence Photosynthesis nationallicence Singlet oxygen nationallicence Sucrose nationallicence Fe-SOD : Iron-superoxide dismutase nationallicence FW : Fresh weight nationallicence Glc : Glucose nationallicence G6PDH : Glucose-6-phosphate dehydrogenase nationallicence GST : Glutathione-S-transfe-rase nationallicence MS : Murashige and Skoog nationallicence PSII : Photosystem II nationallicence ROS : Reactive oxygen species nationallicence SOD : Superoxide dismutase nationallicence Suc : Sucrose nationallicence Ws : Wassilewskija nationallicence Sulmon Cécile Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut Gouesbet Gwenola Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut Amrani Abdelhak Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut Couée Ivan Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut Plant Cell Reports Springer-Verlag 25/5(2006-05-01), 489-498 0721-7714 25:5<489 2006 25 299 https://doi.org/10.1007/s00299-005-0062-9 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00299-005-0062-9 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Sulmon Cécile Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut NATIONALLICENCE 700 1- Gouesbet Gwenola Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut NATIONALLICENCE 700 1- Amrani Abdelhak Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut NATIONALLICENCE 700 1- Couée Ivan Centre National de la Recherche Scientifique, Université de Rennes 1, UMR 6553 ECOBIO, Campus de Beaulieu, bâtiment 14A, F-35042, Rennes Cedex, France aut NATIONALLICENCE 773 0- Plant Cell Reports Springer-Verlag 25/5(2006-05-01), 489-498 0721-7714 25:5<489 2006 25 299 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer