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BRI1 and BAK1 interact with G proteins and regulate sugar-responsive growth and development in Arabidopsis
Yuancheng Peng, Liangliang Chen, Shengjun Li, Yueying Zhang, Ran Xu, Zupei Liu, Wuxia Liu, Jingjing Kong, Xiahe Huang, Yingchun Wang, Beijiu Cheng, Leiying Zheng & Yunhai Li
Nature Communications
Abstract
Sugars function as signal molecules to regulate growth, development, and gene expression in plants, yeasts, and animals. A coordination of sugar availability with phytohormone signals is crucial for plant growth and development. The molecular link between sugar availability and hormone-dependent plant growth are largely unknown. Here we report that BRI1 and BAK1 are involved in sugar-responsive growth and development. Glucose influences the physical interactions and phosphorylations of BRI1 and BAK1 in a concentration-dependent manner. BRI1 and BAK1 physically interact with G proteins that are essential for mediating sugar signaling. Biochemical data show that BRI1 can phosphorylate G protein β subunit and γ subunits, and BAK1 can phosphorylate G protein γ subunits. Genetic analyses suggest that BRI1 and BAK1 function in a common pathway with G-protein subunits to regulate sugar responses. Thus, our findings reveal an important genetic and molecular mechanism by which BR receptors associate with G proteins to regulate sugar-responsive growth and development.
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论文编号: |
DOI:10.1038/s41467-018-03884-8 |
论文题目: |
BRI1 and BAK1 interact with G proteins and regulate sugar-responsive growth and development in Arabidopsis |
英文论文题目: |
BRI1 and BAK1 interact with G proteins and regulate sugar-responsive growth and development in Arabidopsis |
第一作者: |
Yuancheng Peng, Liangliang Chen, Shengjun Li, Yueying Zhang, Ran Xu, Zupei Liu, Wuxia Liu, Jingjing Kong, Xiahe Huang, Yingchun Wang, Beijiu Cheng, Leiying Zheng & Yunhai Li |
英文第一作者: |
Yuancheng Peng, Liangliang Chen, Shengjun Li, Yueying Zhang, Ran Xu, Zupei Liu, Wuxia Liu, Jingjing Kong, Xiahe Huang, Yingchun Wang, Beijiu Cheng, Leiying Zheng & Yunhai Li |
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2018-04-19 |
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摘要: |
Sugars function as signal molecules to regulate growth, development, and gene expression in plants, yeasts, and animals. A coordination of sugar availability with phytohormone signals is crucial for plant growth and development. The molecular link between sugar availability and hormone-dependent plant growth are largely unknown. Here we report that BRI1 and BAK1 are involved in sugar-responsive growth and development. Glucose influences the physical interactions and phosphorylations of BRI1 and BAK1 in a concentration-dependent manner. BRI1 and BAK1 physically interact with G proteins that are essential for mediating sugar signaling. Biochemical data show that BRI1 can phosphorylate G protein β subunit and γ subunits, and BAK1 can phosphorylate G protein γ subunits. Genetic analyses suggest that BRI1 and BAK1 function in a common pathway with G-protein subunits to regulate sugar responses. Thus, our findings reveal an important genetic and molecular mechanism by which BR receptors associate with G proteins to regulate sugar-responsive growth and development. |
英文摘要: |
Sugars function as signal molecules to regulate growth, development, and gene expression in plants, yeasts, and animals. A coordination of sugar availability with phytohormone signals is crucial for plant growth and development. The molecular link between sugar availability and hormone-dependent plant growth are largely unknown. Here we report that BRI1 and BAK1 are involved in sugar-responsive growth and development. Glucose influences the physical interactions and phosphorylations of BRI1 and BAK1 in a concentration-dependent manner. BRI1 and BAK1 physically interact with G proteins that are essential for mediating sugar signaling. Biochemical data show that BRI1 can phosphorylate G protein β subunit and γ subunits, and BAK1 can phosphorylate G protein γ subunits. Genetic analyses suggest that BRI1 and BAK1 function in a common pathway with G-protein subunits to regulate sugar responses. Thus, our findings reveal an important genetic and molecular mechanism by which BR receptors associate with G proteins to regulate sugar-responsive growth and development. |
刊物名称: |
Nature Communications |
英文刊物名称: |
Nature Communications |
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Yuancheng Peng, Liangliang Chen, Shengjun Li, Yueying Zhang, Ran Xu, Zupei Liu, Wuxia Liu, Jingjing Kong, Xiahe Huang, Yingchun Wang, Beijiu Cheng, Leiying Zheng & Yunhai Li. BRI1 and BAK1 interact with G proteins and regulate sugar-responsive growth and development in Arabidopsis. Nature Communications. DOI:10.1038/s41467-018-03884-8 |
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