| How membranes organize during seed germination: three patterns of dynamic lipid remodelling define chilling resistance and affect plastid biogenesis | |
Yu, Xiaomei1,2,3; Li, Aihua3; Li, Weiqi1,2 ; Li,WQ (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Biodivers & Biogeog,Kunming 650201,Peoples R China.; weiqili@mail.kib.ac.cn
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| 2015-07-01 | |
| 发表期刊 | PLANT CELL AND ENVIRONMENT
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| 卷号 | 38期号:7页码:1391-1403 |
| 摘要 | Imbibitional chilling injury during germination causes agricultural losses, but this can be overcome by osmopriming. It remains unknown how membranes reorganize during germination. Herein, we comparatively profiled changes of membrane lipids during imbibition under normal and chilling temperatures in chilling-tolerant and -sensitive soybean seeds. We found three patterns of dynamic lipid remodelling during the three phases of germination. Pattern 1 involved a gradual increase in plastidic lipids during phases I and II, with an abrupt increase during phase III. This abrupt increase was associated with initiation of photosynthesis. Pattern 3 involved phosphatidic acid (PA) first decreasing, then increasing, and finally decreasing to a low level. Patterns 1 and 3 were interrupted in chilling-sensitive seeds under low temperature, which lead a block in plastid biogenesis and accumulation of harmful PA, respectively. However, they were rescued and returned to their status under normal temperature after polyethylene glycol osmopriming. We specifically inhibited phospholipase D (PLD)-mediated PA formation in chilling-sensitive seeds of soybean, cucumber, and pea, and found their germination under low temperature was significantly improved. These results indicate that membranes undergo specific and functional reorganization of lipid composition during germination and demonstrate that PLD-mediated PA causes imibibitional chilling injury. |
| 关键词 | Imbibitional Chilling Injury Membrane Lipid Remodelling Osmopriming Phospholipase d |
| 学科领域 | Plant Sciences |
| DOI | 10.1111/pce.12494 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000355757200015 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.kib.ac.cn/handle/151853/21359 |
| 专题 | 中国西南野生生物种质资源库 |
| 通讯作者 | Li,WQ (reprint author),Chinese Acad Sci,Kunming Inst Bot,Key Lab Biodivers & Biogeog,Kunming 650201,Peoples R China.; weiqili@mail.kib.ac.cn |
| 作者单位 | 1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650201, Peoples R China 2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Plant Germplasm & Genom Ctr, Kunming 650201, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yu, Xiaomei,Li, Aihua,Li, Weiqi,et al. How membranes organize during seed germination: three patterns of dynamic lipid remodelling define chilling resistance and affect plastid biogenesis[J]. PLANT CELL AND ENVIRONMENT,2015,38(7):1391-1403. |
| APA | Yu, Xiaomei,Li, Aihua,Li, Weiqi,Li,WQ ,&weiqili@mail.kib.ac.cn.(2015).How membranes organize during seed germination: three patterns of dynamic lipid remodelling define chilling resistance and affect plastid biogenesis.PLANT CELL AND ENVIRONMENT,38(7),1391-1403. |
| MLA | Yu, Xiaomei,et al."How membranes organize during seed germination: three patterns of dynamic lipid remodelling define chilling resistance and affect plastid biogenesis".PLANT CELL AND ENVIRONMENT 38.7(2015):1391-1403. |
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