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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2015.06.001
|2 doi
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|a pubmed25n0838.xml
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|a (DE-627)NLM251696626
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|a (NLM)26259175
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|a (PII)S0168-9452(15)00167-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Liu, Zhongjuan
|e verfasserin
|4 aut
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| 245 |
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|a Phytochrome-interacting factors PIF4 and PIF5 negatively regulate anthocyanin biosynthesis under red light in Arabidopsis seedlings
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|c 2015
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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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|a Date Completed 12.05.2016
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|a Date Revised 17.03.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2015 Elsevier Ireland Ltd. All rights reserved.
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|a Light is an important environmental factor inducing anthocyanin accumulation in plants. Phytochrome-interacting factors (PIFs) have been shown to be a family of bHLH transcription factors involved in light signaling in Arabidopsis. Red light effectively increased anthocyanin accumulation in wild-type Col-0, whereas the effects were enhanced in pif4 and pif5 mutants but impaired in overexpression lines PIF4OX and PIF5OX, indicating that PIF4 and PIF5 are both negative regulators for red light-induced anthocyanin accumulation. Consistently, transcript levels of several genes involved in anthocyanin biosynthesis and regulatory pathway, including CHS, F3'H, DFR, LDOX, PAP1 and TT8, were significantly enhanced in mutants pif4 and pif5 but decreased in PIF4OX and PIF5OX compared to in Col-0, indicating that PIF4 and PIF5 are transcriptional repressor of these gene. Transient expression assays revealed that PIF4 and PIF5 could repress red light-induced promoter activities of F3'H and DFR in Arabidopsis protoplasts. Furthermore, chromatin immunoprecipitation-quantitative PCR (ChIP-qPCR) test and electrophoretic mobility shift assay (EMSA) showed that PIF5 could directly bind to G-box motifs present in the promoter of DFR. Taken together, these results suggest that PIF4 and PIF5 negatively regulate red light-induced anthocyanin accumulation through transcriptional repression of the anthocyanin biosynthetic genes in Arabidopsis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Anthocyanin
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|a Arabidopsis
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|a PIFs
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|a Red light
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|a Anthocyanins
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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|a Basic Helix-Loop-Helix Transcription Factors
|2 NLM
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|a PIF4 protein, Arabidopsis
|2 NLM
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| 650 |
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|a PIF5 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Pancreatitis-Associated Proteins
|2 NLM
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|a REG3A protein, human
|2 NLM
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|a RNA, Messenger
|2 NLM
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| 700 |
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|a Zhang, Yongqiang
|e verfasserin
|4 aut
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|a Wang, Jianfeng
|e verfasserin
|4 aut
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| 700 |
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|a Li, Ping
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Chengzhou
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Yadi
|e verfasserin
|4 aut
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| 700 |
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|a Bi, Yurong
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 238(2015) vom: 26. Sept., Seite 64-72
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
1 |
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|g volume:238
|g year:2015
|g day:26
|g month:09
|g pages:64-72
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| 856 |
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|u http://dx.doi.org/10.1016/j.plantsci.2015.06.001
|3 Volltext
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