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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2016.06.028
|2 doi
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|a pubmed24n0873.xml
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|a (DE-627)NLM262006480
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|a (NLM)27372730
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|a (PII)S0981-9428(16)30258-3
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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 Wang, Yajun
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Comparative proteomic analysis of the response to silver ions and yeast extract in Salvia miltiorrhiza hairy root cultures
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|c 2016
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| 336 |
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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 27.03.2017
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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 © 2016 Elsevier Masson SAS. All rights reserved.
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|a Biotic and abiotic stresses can inhibit plant growth, resulting in losses of crop productivity. However, moderate adverse stress can promote the accumulation of valuable natural products in medicinal plants. Elucidating the underlying molecular mechanisms thus might help optimize the variety of available plant medicinal materials and improve their quality. In this study, Salvia miltiorrhiza hairy root cultures were employed as an in vitro model of the Chinese herb Danshen. A comparative proteomic analysis using 2-dimensional gel electrophoresis and MALDI-TOF-MS was performed. By comparing the gel images of groups exposed to the stress of yeast extract (YE) combined with Ag(+) and controls, 64 proteins were identified that showed significant changes in protein abundance for at least one time point after treatment. According to analysis based on the KEGG and related physiological experimental verification, it was found that YE and Ag(+) stress induced a burst of reactive oxygen species and activated the Ca(2+)/calmodulin signaling pathway. Expression of immune-suppressive proteins increased. Epidermal cells underwent programmed cell death. Energy metabolism was enhanced and carbon metabolism shifted to favor the production of secondary metabolites such as lignin, tanshinone and salvianolic acids. The tanshinone and salvianolic acids were deposited on the collapsed epidermal cells forming a physicochemical barrier. The defense proteins and these natural products together enhanced the stress resistance of the plants. Since higher levels of natural products represent good quality in medicinal materials, this study sheds new light on quality formation mechanisms of medicinal plants and will hopefully encourage further research on how the planting environment affects the efficacy of herbal medicines
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|a Comparative Study
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|a Journal Article
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|a Cell defense systems
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| 650 |
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|a Proteomics
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|a Salvia miltiorrhiza
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|a Secondary metabolism
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|a Stress response
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|a Tanshinone
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|a Antioxidants
|2 NLM
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| 650 |
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|a Ions
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Proteome
|2 NLM
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| 650 |
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|a Silver
|2 NLM
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| 650 |
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|a 3M4G523W1G
|2 NLM
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| 650 |
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|a Calcium
|2 NLM
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| 650 |
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7 |
|a SY7Q814VUP
|2 NLM
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| 700 |
1 |
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|a Shen, Ye
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Zhuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Le
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ning, Deli
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Chao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Rong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Luqi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 107(2016) vom: 05. Okt., Seite 364-373
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:107
|g year:2016
|g day:05
|g month:10
|g pages:364-373
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2016.06.028
|3 Volltext
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|d 107
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|h 364-373
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