Sugar is an endogenous cue for juvenile-to-adult phase transition in plants
Yu, Sha1,2; Cao, Li2,3,4; Zhou, Chuan-Miao1; Zhang, Tian-Qi1,2; Lian, Heng1; Sun, Yue5; Wu, Jianqiang6; Huang, Jirong1; Wang, Guodong3,4; Wang, Jia-Wei1
2013-03-26
发表期刊ELIFE
ISSN2050-084X
卷号2期号:1页码:00269
摘要The transition from the juvenile to adult phase in plants is controlled by diverse exogenous and endogenous cues such as age, day length, light, nutrients, and temperature. Previous studies have shown that the gradual decline in microRNA156 (miR156) with age promotes the expression of adult traits. However, how age temporally regulates the abundance of miR156 is poorly understood. We show here that the expression of miR156 responds to sugar. Sugar represses miR156 expression at both the transcriptional level and post-transcriptional level through the degradation of miR156 primary transcripts. Defoliation and photosynthetic mutant assays further demonstrate that sugar from the pre-existing leaves acts as a mobile signal to repress miR156, and subsequently triggers the juvenile-to-adult phase transition in young leaf primordia. We propose that the gradual increase in sugar after seed germination serves as an endogenous cue for developmental timing in plants.
关键词Arabidopsis-thaliana Signal-transduction Transcription Micrornas Serrate Expression Sucrose Complex Mir156 Gene
资助信息National Natural Science Foundation of China [31222029, 91217306]; State Key Basic Research Program of China [2013CB127000]; Recruitment Program of Global Expects (China); Shanghai Pujiang Program [12PJ1409900]; National Key Laboratory of Plant Molecular Genetics (Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences); Chinese Academy of Sciences [KSCX2-YW-N-069]
DOI10.7554/eLife.00269
收录类别SCI
语种英语
WOS研究方向Life Sciences & Biomedicine - Other Topics
WOS类目Biology
WOS记录号WOS:000328613200002
引用统计
被引频次:98[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/17509
专题中国科学院东亚植物多样性与生物地理学重点实验室
作者单位1.Shanghai Inst Biol Sci, Inst Plant Physiol & Ecol, Natl Key Lab Plant Mol Genet, Shanghai, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
3.Chinese Acad Sci, State Key Lab Plant Genom, Beijing, Peoples R China
4.Chinese Acad Sci, Natl Ctr Plant Gene Res, Inst Genet & Dev Biol, Beijing, Peoples R China
5.E China Normal Univ, Sch Life Sci, Shanghai 200062, Peoples R China
6.Kunming Inst Bot, Key Lab Econ Plants & Biotechnol, Kunming, Peoples R China
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Yu, Sha,Cao, Li,Zhou, Chuan-Miao,et al. Sugar is an endogenous cue for juvenile-to-adult phase transition in plants[J]. ELIFE,2013,2(1):00269.
APA Yu, Sha.,Cao, Li.,Zhou, Chuan-Miao.,Zhang, Tian-Qi.,Lian, Heng.,...&Wang, Jia-Wei.(2013).Sugar is an endogenous cue for juvenile-to-adult phase transition in plants.ELIFE,2(1),00269.
MLA Yu, Sha,et al."Sugar is an endogenous cue for juvenile-to-adult phase transition in plants".ELIFE 2.1(2013):00269.
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