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231224s2014 xx |||||o 00| ||eng c |
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7 |
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|a 10.1093/jxb/ert353
|2 doi
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|a pubmed24n0778.xml
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|a (DE-627)NLM233644571
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|a (NLM)24336445
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Xu, Miao Yun
|e verfasserin
|4 aut
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| 245 |
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|a Stress-induced early flowering is mediated by miR169 in Arabidopsis thaliana
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 26.09.2014
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|a Date Revised 08.04.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Plants interact with their environment and they often flower earlier under stress conditions, but how such stress-induced flowering is regulated remains poorly understood. Here evidence is presented that the miR169 family plays a key role in stress-induced flowering in plants. The microRNA (miRNA) miR169 family members are up-regulated in Arabidopsis, maize, and soybean under abiotic stresses. Overexpression of miR169d in Arabidopsis results in early flowering, and overexpression of the miR169d target gene, AtNF-YA2, especially a miR169d-resistant version of AtNF-YA2, results in late flowering. The results suggest that the miR169 family regulates stress-induced flowering by repressing the AtNF-YA transcription factor, which in turn reduces the expression of FLOWERING LOCUS C (FLC), allowing for the expression of FLC target genes such as FLOWERING LOCUS T (FT) and LEAFY (LFY) to promote flowering. It was shown that the expression of genes or miRNAs involved in the other flowering pathways, namely the photoperiod (CO), ambient temperature (SVP), ageing (miR156), and gibberelin (SOC1) pathways, was not affected in miR169d-overexpressing plants, suggesting that stress-induced early flowering is a novel signalling pathway mediated by miR169
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a FLC
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|a NF-YA family.
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|a flowering
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|a miR169
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|a microRNA
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|a stress
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a CCAAT-Binding Factor
|2 NLM
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| 650 |
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|a FLF protein, Arabidopsis
|2 NLM
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| 650 |
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|a MADS Domain Proteins
|2 NLM
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| 650 |
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|a MIRN169 microRNA, Arabidopsis
|2 NLM
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| 650 |
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|a MicroRNAs
|2 NLM
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| 650 |
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|a NF-YA2 protein, Arabidopsis
|2 NLM
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| 650 |
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|a RNA, Plant
|2 NLM
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| 650 |
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|a Transcription Factors
|2 NLM
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| 700 |
1 |
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|a Zhang, Lan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Wei Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Xiao Long
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Ming-Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Yun Liu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chun Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Lei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 65(2014), 1 vom: 13. Jan., Seite 89-101
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
1 |
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|g volume:65
|g year:2014
|g number:1
|g day:13
|g month:01
|g pages:89-101
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/ert353
|3 Volltext
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|a AR
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|d 65
|j 2014
|e 1
|b 13
|c 01
|h 89-101
|