Regulation of flowering time by the miR156-mediated age pathway

Precise flowering time is critical to reproductive success. In response to diverse exogenous and endogenous cues including age, hormones, photoperiod, and temperature, the floral transition is controlled by a complex regulatory network, which involves extensive crosstalks, feedback, or feedforward l...

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Vydáno v:Journal of experimental botany Ročník 65; číslo 17; s. 4723
Hlavní autor: Wang, Jia-Wei
Médium: Journal Article
Jazyk:angličtina
Vydáno: England 01.09.2014
Témata:
Arabidopsis - genetics
Arabidopsis - growth & development
Arabidopsis - metabolism
Flowers - genetics
Flowers - growth & development
Flowers - metabolism
Gene Expression Regulation, Developmental
Gene Expression Regulation, Plant
MicroRNAs - genetics
MicroRNAs - metabolism
flowering time
microRNA
Age
ISSN:1460-2431, 1460-2431
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Shrnutí:Precise flowering time is critical to reproductive success. In response to diverse exogenous and endogenous cues including age, hormones, photoperiod, and temperature, the floral transition is controlled by a complex regulatory network, which involves extensive crosstalks, feedback, or feedforward loops between the components within flowering time pathways. The newly identified age pathway, which is controlled by microRNA156 (miR156) and its target SQUAMOSA PROMOTER BINDING-LIKE (SPL) transcription factors, ensures plants flower under non-inductive conditions. In this review, I summarize the recent advance in understanding of the age pathway, focusing on the regulatory basis of the developmental decline in miR156 level by age and the molecular mechanism by which the age pathway is integrated into other flowering time pathways.
Bibliografie:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Correspondence-1
ObjectType-Review-3
content type line 23
ISSN:1460-2431
1460-2431
DOI:10.1093/jxb/eru246