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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2015.03.005
|2 doi
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|a pubmed24n0825.xml
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|a (DE-627)NLM247605816
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|a (NLM)25827494
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|a (PII)S0981-9428(15)00067-4
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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 |
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|a Hu, Zenghui
|e verfasserin
|4 aut
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| 245 |
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|a Ca²⁺ signal contributing to the synthesis and emission of monoterpenes regulated by light intensity in Lilium 'siberia'
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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 04.02.2016
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2015 Elsevier Masson SAS. All rights reserved.
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|a The floral scent is an important part of plant volatile compounds, and is influenced by environmental factors. The emission of monoterpenes of Lilium 'siberia' is regulated by light intensity, but the mechanism is large unknown. In this study, the expression of Li-mTPS, a monoterpene synthase gene in the tepals of Lilium 'siberia', and net Ca(2+) flux were investigated after exposure to different levels of light intensity (0, 100, 300, 600, 1000, and 1500 μmol m(-2) s(-1)). Moreover the effect of LaCl3 and ethylene glycol-bis-(2-aminoethylether)-N,N,N',N'-tetraacetic acid (EGTA) on the Li-mTPS expression, monoterpene emission, and net Ca(2+) flux were examined at 600 μmol m(-2) s(-1). The results showed that along with the enhancement of light intensity, the expression level of Li-mTPS increased gradually, and the net Ca(2+) influx was also enhanced showing a similar pattern. It was found that LaCl3 and EGTA effectively inhibited the increase in expression of Li-mTPS and the net Ca(2+) influx induced by light treatment. Moreover, the release amounts of monoterpenes decreased significantly after treatment with LaCl3 and EGTA. So it can be concluded that Ca(2+) signal contributed to the biosynthesis and emission of monoterpenes regulated by light intensity in Lilium 'siberia' tepals. The increased light intensity firstly triggered the Ca(2+) influx to cytoplasm, and then the gene expression of monoterpene synthases downstream was activated to regulate the biosynthesis and emission of monoterpenes. But in the signaling pathway other mechanisms were thought to be involved in the emission of monoterpenes regulated by light intensity, which need to be investigated in future research
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Ca(2+) influx
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|a Expression of Li-mTPS
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|a Light intensity
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|a Lilium ‘siberia’
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|a Monoterpenes
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|a Monoterpenes
|2 NLM
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|a lanthanum chloride
|2 NLM
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|a 04M8624OXV
|2 NLM
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|a Egtazic Acid
|2 NLM
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|a 526U7A2651
|2 NLM
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|a Lanthanum
|2 NLM
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| 650 |
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|a 6I3K30563S
|2 NLM
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| 700 |
1 |
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|a Li, Tianjiao
|e verfasserin
|4 aut
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|a Zheng, Jian
|e verfasserin
|4 aut
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|a Yang, Kai
|e verfasserin
|4 aut
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|a He, Xiangfeng
|e verfasserin
|4 aut
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|a Leng, Pingsheng
|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 91(2015) vom: 07. Juni, Seite 1-9
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:91
|g year:2015
|g day:07
|g month:06
|g pages:1-9
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|u http://dx.doi.org/10.1016/j.plaphy.2015.03.005
|3 Volltext
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