Article
Identification of C-terminal Regions in Arabidopsis thaliana Phytochelatin Synthase 1 Specifically Involved in Activation by Arsenite.
Plant & cell physiology - 1 Mar 2018
Uraguchi Shimpei, Sone Yuka, Ohta Yumika, Ohkama-Ohtsu Naoko, Hofmann Christian, Hess Natalia, Nakamura Ryosuke, Takanezawa Yasukazu, Clemens Stephan, Kiyono Masako
Abstract excerpt
Phytochelatins (PCs) are major chelators of toxic elements including inorganic arsenic (As) in plant cells. Their synthesis confers tolerance and influences within-plant mobility. Previous studies had shown that various metal/metalloid ions differentially activate PC synthesis. Here we identified C-terminal parts involved in arsenite- [As(III)] dependent activation of AtPCS1, the primary Arabidopsis PC synthase....
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