MYB89 Transcription Factor Represses Seed Oil Accumulation
文献类型：期刊论文
| 作者 | Li, Dong; Jin, Changyu; Duan, Shaowei; Zhu, Yana2; Qi, Shuanghui; Liu, Kaige; Gao, Chenhao; Ma, Haoli; Zhang, Meng; Liao, Yuncheng |
| 刊名 | PLANT PHYSIOLOGY
 |
| 出版日期 | 2017 |
| 卷号 | 173期号:2页码:1211-1225 |
| ISSN号 | 0032-0889 |
| DOI | 10.1111/gcb.13783 |
| 文献子类 | Article |
| 英文摘要 | In many higher plants, seed oil accumulation is precisely controlled by intricate multilevel regulatory networks, among which transcriptional regulation mainly influences oil biosynthesis. In Arabidopsis (Arabidopsis thaliana), the master positive transcription factors, WRINKLED1 (WRI1) and LEAFY COTYLEDON1-LIKE (L1L), are important for seed oil accumulation. We found that an R2R3-MYB transcription factor, MYB89, was expressed predominantly in developing seeds during maturation. Oil and major fatty acid biosynthesis in seeds was significantly promoted by myb89-1 mutation and MYB89 knockdown; thus, MYB89 was an important repressor during seed oil accumulation. RNA sequencing revealed remarkable up-regulation of numerous genes involved in seed oil accumulation in myb89 seeds at 12 d after pollination. Posttranslational activation of a MYB89-glucocorticoid receptor fusion protein and chromatin immunoprecipitation assays demonstrated that MYB89 inhibited seed oil accumulation by directly repressing WRI1 and five key genes and by indirectly suppressing L1L and 11 key genes involved in oil biosynthesis during seed maturation. These results help us to understand the novel function of MYB89 and provide new insights into the regulatory network of transcriptional factors controlling seed oil accumulation in Arabidopsis. |
| 学科主题 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| 出版地 | CARY |
| 电子版国际标准刊号 | 1532-2548 |
| WOS关键词 | FATTY-ACID BIOSYNTHESIS ; ARABIDOPSIS LEAFY COTYLEDON1 ; TRIACYLGLYCEROL ACCUMULATION ; ACETYL-COENZYME ; GENE-EXPRESSION ; DOMAIN PROTEIN ; BRASSICA-NAPUS ; WRINKLED1 ; MATURATION ; ENCODES |
| 语种 | 英语 |
| WOS记录号 | WOS:000410642100029 |
| 出版者 | OXFORD UNIV PRESS INC |
| 资助机构 | Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31501336] ; Science Fund for the Cultivation of Excellent Youth Scholars [Z109021517] ; Startup Fund for Talents of Northwest AF University [Z111021402] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/21995]  |
| 专题 | 植物研究所_光合作用研究中心_光合作用研究中心_学位论文 |
| 作者单位 | 1.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China 2.Northwest A&F Univ, Coll Agron, Yangling 712100, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Dong,Jin, Changyu,Duan, Shaowei,et al. MYB89 Transcription Factor Represses Seed Oil Accumulation[J]. PLANT PHYSIOLOGY,2017,173(2):1211-1225. |
| APA | Li, Dong.,Jin, Changyu.,Duan, Shaowei.,Zhu, Yana.,Qi, Shuanghui.,...&Chen, Mingxun.(2017).MYB89 Transcription Factor Represses Seed Oil Accumulation.PLANT PHYSIOLOGY,173(2),1211-1225. |
| MLA | Li, Dong,et al."MYB89 Transcription Factor Represses Seed Oil Accumulation".PLANT PHYSIOLOGY 173.2(2017):1211-1225. |
入库方式： OAI收割
来源：植物研究所
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