The ARF7 and ARF19 Transcription Factors Positively Regulate PHOSPHATE STARVATION RESPONSE1 in Arabidopsis Roots
文献类型：期刊论文
| 作者 | Ren, Feng4; Li, Xue-Bao4; Kjorven, Johan Olav1; Chen, Liang2,3; Jia, Han-Xin4; Liu, Chun-Sen4; Zhao, Cai-Zhi4; Wu, Huan4; Xiong, Huan4; Zhang, Mei-Li4 |
| 刊名 | PLANT PHYSIOLOGY
 |
| 出版日期 | 2018-09-01 |
| 卷号 | 178期号:1页码:413-427 |
| ISSN号 | 0032-0889 |
| DOI | 10.1104/pp.17.01713 |
| 英文摘要 | PHOSPHATE STARVATION RESPONSE1 (PHR1) is a key regulatory component of the response to phosphate (Pi) starvation. However, the regulation of PHR1 in this response remains poorly understood. Here, we report that PHR1 is a target of the transcription factors AUXIN RESPONSE FACTOR7 (ARF7) and ARF19 and is positively regulated by auxin signaling in Arabidopsis (Arabidopsis thaliana) roots. PHR1 expression was induced by exogenous auxin and suppressed by auxin transport inhibitors in Arabidopsis roots. In the PHR1 promoter, three auxin-response elements, which are bound directly by ARF7 and ARF19, were shown to be essential for PHR1 expression. The aril, arf19, and aril arf19 mutants showed down-regulated expression of PHR1 and downstream Pi starvation-induced genes in roots; they also exhibited defective Pi uptake in roots and overaccumulation of anthocyanin in shoots. The induction of lateral root formation in response to low Pi and to exogenous auxin was decreased in the phr1 mutant, whereas the expression of LATERAL ORGAN BOUNDARIES-DOMAIN16 (LBD16) and LBD29 was not changed significantly. PHR1 acted independently of LBD16 and LBD29 in the regulation of lateral root formation in response to low Pi. Under low-Pi conditions, lateral root impairment in the arf7 arf19 mutant was partially rescued by constitutive expression of PHR1, demonstrating that reduced PHR1 expression contributed to the arf7 arf19 phenotype. In addition to PHR1, other genes encoding MYB-CC members also were targets of ARF7 and ARF19. Our work thus reveals a mechanism coordinating auxin signaling and the PHR1 regulon in Arabidopsis responses to Pi deficiency. |
| 资助项目 | National Natural Sciences Foundation of China[31271637] ; National Natural Sciences Foundation of China[31571572] ; Project of National Research and Development of China[2016YFD0100202] |
| WOS研究方向 | Plant Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000444004100032 |
| 出版者 | AMER SOC PLANT BIOLOGISTS |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/5777]  |
| 专题 | 中国科学院武汉植物园 |
| 通讯作者 | Ren, Feng |
| 作者单位 | 1.Cornell Univ, Dept Microbiol, Ithaca, NY 14853 USA 2.Chinese Acad Sci, Wuhan Bot Garden, Wuhan 430074, Hubei, Peoples R China 3.Chinese Acad Sci, Key Lab Plant Germplasm Enhancement & Specialty A, Wuhan 430074, Hubei, Peoples R China 4.Cent China Normal Univ, Sch Life Sci, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430079, Hubei, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ren, Feng,Li, Xue-Bao,Kjorven, Johan Olav,et al. The ARF7 and ARF19 Transcription Factors Positively Regulate PHOSPHATE STARVATION RESPONSE1 in Arabidopsis Roots[J]. PLANT PHYSIOLOGY,2018,178(1):413-427. |
| APA | Ren, Feng.,Li, Xue-Bao.,Kjorven, Johan Olav.,Chen, Liang.,Jia, Han-Xin.,...&Huang, Ke-Lin.(2018).The ARF7 and ARF19 Transcription Factors Positively Regulate PHOSPHATE STARVATION RESPONSE1 in Arabidopsis Roots.PLANT PHYSIOLOGY,178(1),413-427. |
| MLA | Ren, Feng,et al."The ARF7 and ARF19 Transcription Factors Positively Regulate PHOSPHATE STARVATION RESPONSE1 in Arabidopsis Roots".PLANT PHYSIOLOGY 178.1(2018):413-427. |
入库方式： OAI收割
来源：武汉植物园
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。