Structural basis for gibberellin recognition by its receptor GID1

Asako Shimada, Miyako Ueguchi-Tanaka, Toru Nakatsu, Masatoshi Nakajima, Youichi Naoe, Hiroko Ohmiya, Hiroaki Kato () and Makoto Matsuoka ()
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Asako Shimada: Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi 464-8601, Japan
Miyako Ueguchi-Tanaka: Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi 464-8601, Japan
Toru Nakatsu: Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
Masatoshi Nakajima: The University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
Youichi Naoe: Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
Hiroko Ohmiya: Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi 464-8601, Japan
Hiroaki Kato: Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida Shimoadachi-cho, Sakyo-ku, Kyoto 606-8501, Japan
Makoto Matsuoka: Bioscience and Biotechnology Center, Nagoya University, Nagoya, Aichi 464-8601, Japan

Nature, 2008, vol. 456, issue 7221, 520-523

Abstract: Plant hormones: Gibberellin receptor recognition Gibberellin is an important plant hormone that regulates several development processes. Binding of gibberellin to its receptor GID1 leads to the recognition of the DELLA family of transcriptional regulators that negatively regulate gibberellin signalling. Two groups now present the crystal structure of gibberellin receptors from two different plant species. Murase et al. determined the structure of a ternary complex of gibberellin bound to GID1 and a DELLA protein fragment from Arabidopsis. Shimada et al. worked with gibberellin bound to rice GID1. The structures reveal a receptor recognition mechanism that is distinct that for auxins. Detailed knowledge of the receptor's structure could help in designing more effective or cheaper growth regulators for agricultural use.

Date: 2008
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DOI: 10.1038/nature07546

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