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DOI | 10.1038/s41467-018-04307-4 |
Photosynthesis-dependent H2O2 transfer from chloroplasts to nuclei provides a high-light signalling mechanism | |
Exposito-Rodriguez, Marino1,2; Laissue, Pierre Philippe1; Yvon-Durocher, Gabriel3; Smirnoff, Nicholas2; Mullineaux, Philip M.1 | |
2017-06-29 | |
发表期刊 | NATURE COMMUNICATIONS |
ISSN | 2041-1723 |
出版年 | 2017 |
卷号 | 8 |
文章类型 | Article |
语种 | 英语 |
国家 | England |
英文摘要 | Chloroplasts communicate information by signalling to nuclei during acclimation to fluctuating light. Several potential operating signals originating from chloroplasts have been proposed, but none have been shown to move to nuclei to modulate gene expression. One proposed signal is hydrogen peroxide (H2O2) produced by chloroplasts in a light-dependent manner. Using HyPer2, a genetically encoded fluorescent H2O2 sensor, we show that in photosynthetic Nicotiana benthamiana epidermal cells, exposure to high light increases H2O2 production in chloroplast stroma, cytosol and nuclei. Critically, over-expression of stromal ascorbate peroxidase (H2O2 scavenger) or treatment with DCMU (photosynthesis inhibitor) attenuates nuclear H2O2 accumulation and high light-responsive gene expression. Cytosolic ascorbate peroxidase over-expression has little effect on nuclear H2O2 accumulation and high light-responsive gene expression. This is because the H2O2 derives from a sub-population of chloroplasts closely associated with nuclei. Therefore, direct H2O2 transfer from chloroplasts to nuclei, avoiding the cytosol, enables photosynthetic control over gene expression. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000404332800001 |
WOS关键词 | WATER-WATER CYCLE ; OXIDATIVE STRESS ; TRANSCRIPTION FACTORS ; TRANSIENT EXPRESSION ; ASCORBATE PEROXIDASE ; GENE-EXPRESSION ; TOBACCO PLANTS ; PROTEIN ; ARABIDOPSIS ; DISSIPATION |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/203815 |
专题 | 资源环境科学 |
作者单位 | 1.Univ Essex, Sch Biol Sci, Wivenhoe Pk, Colchester CO4 3SQ, Essex, England; 2.Univ Exeter, Coll Life & Environm Sci, Biosci, Geoffrey Pope Bldg,Stocker Rd, Exeter EX4 4QD, Devon, England; 3.Univ Exeter, Environm & Sustainabil Inst, Penryn TR10 9EZ, Cornwall, England |
推荐引用方式 GB/T 7714 | Exposito-Rodriguez, Marino,Laissue, Pierre Philippe,Yvon-Durocher, Gabriel,et al. Photosynthesis-dependent H2O2 transfer from chloroplasts to nuclei provides a high-light signalling mechanism[J]. NATURE COMMUNICATIONS,2017,8. |
APA | Exposito-Rodriguez, Marino,Laissue, Pierre Philippe,Yvon-Durocher, Gabriel,Smirnoff, Nicholas,&Mullineaux, Philip M..(2017).Photosynthesis-dependent H2O2 transfer from chloroplasts to nuclei provides a high-light signalling mechanism.NATURE COMMUNICATIONS,8. |
MLA | Exposito-Rodriguez, Marino,et al."Photosynthesis-dependent H2O2 transfer from chloroplasts to nuclei provides a high-light signalling mechanism".NATURE COMMUNICATIONS 8(2017). |
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