China Agricultural University

Mingcai Zhang

Juan Zhang

Xiaoli Tian

Zhaohu Li

Mingwei Du

Fangjun Li

Liusheng Duan

The present invention discloses a method for increasing the sensitivity of a plant to a gibberellin inhibitor. The method for increasing the sensitivity of a plant to a gibberellin inhibitor provided by the present invention comprises the step of introducing an encoding gene of a protein into a recipient plant to obtain a transgenic plant; the transgenic plant has increased sensitivity to the gibberellin inhibitor compared to the recipient plant; the protein is a protein of the following a) or b) or c): a) a protein whose amino acid sequence is set forth in positions 1-821 of SEQ ID NO: 1; b) a protein whose amino acid sequence is set forth in SEQ ID NO: 1; c) a fusion protein obtained by attaching tag(s) to the N-terminus or/and C-terminus of a) or b). The experiments prove that the method for increasing the sensitivity of a plant to a gibberellin inhibitor of the present invention can be used to increase the sensitivity of plants to gibberellin inhibitors, and the plant height of plants can be regulated by the plant height-related protein HRP of the present invention.

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Beijing, China

Mingcai Zhang