Aluminum-induced distortion in calcium signaling involving oxidative bursts and channel regulation in tobacco BY-2 cells.

@article{Kawano2003AluminuminducedDI,
  title={Aluminum-induced distortion in calcium signaling involving oxidative bursts and channel regulation in tobacco BY-2 cells.},
  author={Tomonori Kawano and Toshihiko Kadono and Takuya Furuichi and Shoshi Muto and Fr{\'e}d{\'e}ric Lapeyrie},
  journal={Biochemical and biophysical research communications},
  year={2003},
  volume={308 1},
  pages={
          35-42
        }
}
Trivalent cations such as those of Al, La, and Gd are phytotoxic. Our previous works showed that addition of LaCl(3) or GdCl(3) to tobacco cells triggers the generation of superoxide (O(2)*-). Here, we show that AlCl(3) at normal physiological pH (5.8) induces much greater production of O(2)*- (detected with a specific chemiluminescence probe), indicating that these trivalent cations similarly induce the oxidative bursts. It was shown that NADPH oxidase is involved in the generation of O(2… CONTINUE READING
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