The central circadian clock proteins CCA1 and LHY regulate iron homeostasis in Arabidopsis
文献类型：期刊论文
| 作者 | Xu, Gang3,6; Jiang, Zhimin2,6; Wang, Haiyang5; Lin, Rongcheng4,6
|
| 刊名 | JOURNAL OF INTEGRATIVE PLANT BIOLOGY
 |
| 出版日期 | 2019 |
| 卷号 | 61期号:2页码:168-181 |
| ISSN号 | 1672-9072 |
| DOI | 10.1111/jipb.12696 |
| 文献子类 | Article |
| 英文摘要 | Circadian clock is the endogenous time-keeping machinery that synchronizes an organism's metabolism, behavior, and physiology to the daily light-dark circles, thereby contributing to organismal fitness. Iron (Fe) is an essential micronutrient for all organisms and it plays important roles in diverse processes of plant growth and development. Here, we show that, in Arabidopsis thaliana, loss of the central clock genes, CIRCADIAN CLOCK ASSOCIATED 1 (CCA1) and LATE ELONGATED HYPOCOTYL (LHY), results in both reduced Fe uptake and photosynthetic efficiency, whereas CCA1 overexpression confers the opposite effects. We show that root Fe(III) reduction activity, and expression of FERRIC REDUCTION OXIDASE 2 (FRO2) and IRON-REGULATED TRANSPORTER 1 (IRT1) exhibit circadian oscillations, which are disrupted in the cca1 lhy double mutant. Furthermore, CCA1 directly binds to the specific regulatory regions of multiple Fe homeostasis genes and activates their expression. Thus, this study established that, in plants, CCA1 and LHY function as master regulators that maintain cyclic Fe homeostasis. |
| 学科主题 | Biochemistry & Molecular Biology ; Plant Sciences |
| 出版地 | HOBOKEN |
| 电子版国际标准刊号 | 1744-7909 |
| WOS关键词 | TRANSCRIPTION FACTOR ; OXIDATIVE STRESS ; PHOTOSYNTHESIS ; CHLOROPLAST ; EXPRESSION ; RESPONSES ; TIME ; IRT1 ; CLOCK-ASSOCIATED1 ; IDENTIFICATION |
| WOS研究方向 | Biochemistry & Molecular Biology ; Plant Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000459576800007 |
| 出版者 | WILEY |
| 资助机构 | Ministry of Agriculture of ChinaMinistry of Agriculture, China [2016ZX08009-003] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/19631]  |
| 专题 | 中科院光生物学重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Genet & Dev Biol, Beijing 100101, Peoples R China 2.Shandong Agr Univ, Coll Life Sci, Tai An 271018, Shandong, Peoples R China 3.Chinese Acad Sci, Ctr Excellence Mol Plant Sci, Beijing 100093, Peoples R China 4.South China Agr Univ, Coll Life Sci, Guangzhou 510642, Guangdong, Peoples R China 5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 6.Chinese Acad Sci, Inst Bot, Key Lab Photobiol, Beijing 100093, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xu, Gang,Jiang, Zhimin,Wang, Haiyang,et al. The central circadian clock proteins CCA1 and LHY regulate iron homeostasis in Arabidopsis[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2019,61(2):168-181. |
| APA | Xu, Gang,Jiang, Zhimin,Wang, Haiyang,&Lin, Rongcheng.(2019).The central circadian clock proteins CCA1 and LHY regulate iron homeostasis in Arabidopsis.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,61(2),168-181. |
| MLA | Xu, Gang,et al."The central circadian clock proteins CCA1 and LHY regulate iron homeostasis in Arabidopsis".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 61.2(2019):168-181. |
入库方式： OAI收割
来源：植物研究所
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