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
Corresponding AuthorWang,JW (reprint author),Shanghai Inst Biol Sci,Inst Plant Physiol & Ecol,Natl Key Lab Plant Mol Genet,Shanghai,Peoples R China.
Source PublicationELIFE
AbstractThe 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.
KeywordArabidopsis-thaliana Signal-transduction Transcription Micrornas Serrate Expression Sucrose Complex Mir156 Gene
Indexed BySCI
WOS IDWOS:000328613200002
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Cited Times:177[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.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
Recommended Citation
GB/T 7714
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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