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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2019.04.021
|2 doi
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|a pubmed24n0988.xml
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|a (PII)S0981-9428(19)30155-X
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|a DE-627
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|e rakwb
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|a eng
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|a Ahmadi, Tayebeh
|e verfasserin
|4 aut
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|a Improvement in drought tolerance of lemon balm, Melissa officinalis L. under the pre-treatment of LED lighting
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|c 2019
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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 17.06.2019
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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 © 2019 Elsevier Masson SAS. All rights reserved.
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|a Stress priming (pre-exposure of plants to various types of moderate stresses) could affect plant responses to subsequent severe stresses. Drought stress is one of the major threats to plants which reduces the global agricultural productions. Here we demonstrated that light emitting diodes (LEDs)-driven tolerant to drought stress in lemon balm plantlets was highly correlated with priming with these lighting sources. Plantlets of the two genotypes of M. officinalis L. were first grown in 4 incubators with different LED lamps, including white LEDs (380-760 nm), blue LEDs (460 nm), red LEDs (650 nm) and red + blue LEDs (70%:30%), in a greenhouse for 4 weeks. The potted plants were then subjected to drought stress. Under drought stress, LED-primed plants maintained significantly higher fresh and dry weight, relative water content (RWC), concentration of soluble sugars, antioxidant activity and higher content of proline, H2O2, abscisic acid (ABA) and rosmarinic acid than non-primed plants. The results of Real-Time RT-PCR confirmed that LED pretreatment up-regulated the expression levels of respiratory burst oxidase homologues (RBOHs) or NADPH oxidase, 9-cis epoxy carotenoid dioxygenase (NCED), and rosmarinic acid synthase (RAS), while down-regulated that of ABA 8'-hydroxylase (ABA8Ox). These findings suggest, for the first time, that pre-treatment of plants with red + blue LEDs could improve their growth and quality under drought stress
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|a Journal Article
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|a Abscisic acid
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|a Drought stress
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|a Light emitting diodes (LED)
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|a Melissa officinalis
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|a Priming
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|a Rosmarinic acid
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|a BBX060AN9V
|2 NLM
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|a Shabani, Leila
|e verfasserin
|4 aut
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|a Sabzalian, Mohammad R
|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 139(2019) vom: 15. Juni, Seite 548-557
|w (DE-627)NLM098178261
|x 1873-2690
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|g volume:139
|g year:2019
|g day:15
|g month:06
|g pages:548-557
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|u http://dx.doi.org/10.1016/j.plaphy.2019.04.021
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