Article
Antagonistic regulation of the gibberellic acid response during stem growth in rice.
Nature - 1 Aug 2020
Nagai Keisuke, Mori Yoshinao, Ishikawa Shin, Furuta Tomoyuki, Gamuyao Rico, Niimi Yoko, Hobo Tokunori, Fukuda Moyuri, Kojima Mikiko, Takebayashi Yumiko, Fukushima Atsushi, Himuro Yasuyo, Kobayashi Masatomo, Ackley Wataru, Hisano Hiroshi, Sato Kazuhiro, Yoshida Aya, Wu Jianzhong, Sakakibara Hitoshi, Sato Yutaka, Tsuji Hiroyuki, Akagi Takashi, Ashikari Motoyuki
Abstract excerpt
The size of plants is largely determined by growth of the stem. Stem elongation is stimulated by gibberellic acid1-3. Here we show that internode stem elongation in rice is regulated antagonistically by an 'accelerator' and a 'decelerator' in concert with gibberellic acid. Expression of a gene we name ACCELERATOR OF INTERNODE ELONGATION 1 (ACE1), which encodes a protein of unknown function, confers cells of the...
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