Cytosolic glutamine synthetase1;2 is responsible for the primary assimilation of ammonium in rice roots

Primary Assimilation of Ammonium in Rice Roots Kazuhiro Funayama, Soichi Kojima, Mayumi Tabuchi-Kobayashi, Yuki Sawa, Yosuke Nakayama, Toshihiko Hayakawa and Tomoyuki Yamaya* Graduate School of Agricultural Science, Tohoku University, 1-1 Tsutsumidori-Amamiyamachi, Aoba-ku, Sendai, 981-8555 Japan These authors contributed equally to this work. *Corresponding author: E-mail, tyamaya@biochem.tohoku.ac.jp; Fax: +81-22-717-8787. (Received February 3, 2013; Accepted March 14, 2013)