Mechanism for cytokinin signal transduction by the response regulator ARR1

反应调节因子 ARR1 的细胞分裂素信号转导机制

• 批准号: 21370021
• 负责人: AOYAMA Takashi
• 金额: $ 10.07万
• 依托单位: Kyoto University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2009
• 资助国家: 日本
• 起止时间: 2009 至 2011
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21370021/
• 关键词: 植物ホルモン; 転写因子; シグナル伝達; 細胞分化; サイトカイニン; オーキシン; 転写誘導; 標的遺伝子; 細胞増殖; 転写; 2成分制御系

Arabidopsis ARR1 is a response regulator which activates the transcription of primary responsive genes to cytokinin. In chromosome immunoprecipitation analysis, it was confirmed that an ARR1 fusion protein was bound to the promoter region of an ARR1-direct-target gene, ARR6. The binding was enhanced by the treatment of plants with cytokinin. It was suggested that ARR1 widely covers the chromosome DNA. In addition to the ARR1 study, a monitoring system was developed, by which the intensity of cytokinin signals in individual cells is visualized taking advantage of an artificial cytokinin-responsive promoter.

拟南芥ARR1是一种应答调节因子，它激活细胞分裂素初级应答基因的转录。在染色体免疫沉淀分析中，证实了ARR1融合蛋白与ARR1直接靶基因ARR6的启动子区结合。通过用细胞分裂素处理植物增强结合。结果表明，ARR1广泛覆盖染色体DNA。除了ARR1研究之外，还开发了一种监测系统，通过该系统，利用人工细胞分裂素响应启动子可视化单个细胞中细胞分裂素信号的强度。

项目成果

Function of PIP5K genes in the root hair elongation responsive to environmental stimuli

PIP5K基因在响应环境刺激的根毛伸长中的功能

• 发表时间: 2010
• 作者: Yukika Wada;Hiroaki Kusano;Keiko Yasuda;Tomohiko Tsuge;and Takashi Aoyama
• 通讯作者: and Takashi Aoyama

Control of endoreduplication of trichome by RPT2a, a subunit of the 19S proteasome in Arabidopsis

• DOI: 10.1007/s10265-010-0321-x
• 发表时间: 2010-03
• 期刊: Journal of Plant Research
• 影响因子: 2.8
• 作者: Kaori Sako;Y. Maki;Kumiko K. Imai;T. Aoyama;Derek B. Goto;J. Yamaguchi

Involvement of Arabidopsis thaliana phospholipase D・2 in root hydrotropism through the seuppression of root gravitropism

拟南芥磷脂酶D·2通过抑制根向地性参与根向水性

• 发表时间: 2010
• 期刊: Planta
• 影响因子: 4.3
• 作者: Taniguchi;Y. Y.;Taniguchi;M.;Tsuge;T.;Oka;A.;and Aoyama;T
• 通讯作者: T

Involvement of Arabidopsis thaliana phospholipase Dζ2 in root hydrotropism through the suppression of root gravitropism

• DOI: 10.1007/s00425-009-1052-x
• 发表时间: 2009
• 期刊: Planta
• 影响因子: 4.3
• 作者: Y. Y. Taniguchi-Y.;Masatoshi Taniguchi;T. Tsuge;A. Oka;T. Aoyama

ケージドサイトカイニンの設計と生理活性

笼状细胞分裂素的设计和生物活性

• 发表时间: 2010
• 作者: 安藤和紀;日下直之;青山卓史;野崎浩;林謙一郎
• 通讯作者: 林謙一郎