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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2016.01.018
|2 doi
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|a pubmed24n0856.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Shi, Haitao
|e verfasserin
|4 aut
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| 245 |
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|a Melatonin-induced CBF/DREB1s are essential for diurnal change of disease resistance and CCA1 expression in Arabidopsis
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|c 2016
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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
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|2 rdacarrier
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|a Date Completed 10.11.2016
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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 Copyright © 2016 Elsevier Masson SAS. All rights reserved.
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|a Melatonin (N-acetyl-5-methoxytryptamine) is an important regulator of circadian rhythms and immunity in animals. However, the diurnal changes of endogenous melatonin and melatonin-mediated diurnal change of downstream responses remain unclear in Arabidopsis. Using the publicly available microarray data, we found that the transcript levels of two melatonin synthesis genes (serotonin N-acetyltransferase (SNAT) and caffeate O-methyltransferase (COMT)) and endogenous melatonin level were regulated by diurnal cycles, with different magnitudes of change. Moreover, the transcripts of C-repeat-binding factors (CBFs)/Drought response element Binding 1 factors (DREB1s) were co-regulated by exogenous melatonin and diurnal changes, indicating the possible correlation among clock, endogenous melatonin level and AtCBFs expressions. Interestingly, diurnal change of plant immunity against Pst DC3000 and CIRCADIANCLOCK ASSOCIATED 1 (CCA1) expression were largely lost in AtCBFs knockdown line-amiR-1. Taken together, this study identifies the molecular pathway underlying the diurnal changes of immunity in Arabidopsis. Notably, the diurnal changes of endogenous melatonin may regulate corresponding changes of AtCBF/DREB1s expression and their underlying diurnal cycle of plant immunity and AtCCA1
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arabidopsis
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|a CBF/DREB1s
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|a CCA1
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|a Diurnal change
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|a Melatonin
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|a Plant immunity
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|a Arabidopsis Proteins
|2 NLM
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|a CCA1 protein, Arabidopsis
|2 NLM
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|a DREB1A protein, Arabidopsis
|2 NLM
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| 650 |
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|a Transcription Factors
|2 NLM
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| 650 |
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|a Melatonin
|2 NLM
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| 650 |
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|a JL5DK93RCL
|2 NLM
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| 700 |
1 |
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|a Wei, Yunxie
|e verfasserin
|4 aut
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| 700 |
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|a He, Chaozu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 100(2016) vom: 01. März, Seite 150-155
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|x 1873-2690
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|u http://dx.doi.org/10.1016/j.plaphy.2016.01.018
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