Excessive ammonium assimilation by plastidic glutamine synthetase causes ammonium toxicity in Arabidopsis thaliana
oleh: Takushi Hachiya, Jun Inaba, Mayumi Wakazaki, Mayuko Sato, Kiminori Toyooka, Atsuko Miyagi, Maki Kawai-Yamada, Daisuke Sugiura, Tsuyoshi Nakagawa, Takatoshi Kiba, Alain Gojon, Hitoshi Sakakibara
| Format: | Article |
|---|---|
| Diterbitkan: | Nature Portfolio 2021-08-01 |
Deskripsi
Ammonium is an important nitrogen source for plants but excess ammonium impairs growth. Here the authors show that ammonium toxicity results from assimilation by GLUTAMINE SYNTHETASE 2 in the plastids which results in excess proton accumulation and acidity stress.