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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2017.09.012
|2 doi
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|a pubmed25n0920.xml
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|a (DE-627)NLM276161920
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|a (NLM)28945999
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|a (PII)S0981-9428(17)30303-0
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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 Liang, Bowen
|e verfasserin
|4 aut
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| 245 |
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|a Dopamine alleviates nutrient deficiency-induced stress in Malus hupehensis
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|c 2017
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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 26.12.2017
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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 © 2017 Elsevier Masson SAS. All rights reserved.
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|a Dopamine mediates many physiological processes in plants. We investigated its role in regulating growth, root system architecture, nutrient uptake, and responses to nutrient deficiencies in Malus hupehensis Rehd. Under a nutrient deficiency, plants showed significant reductions in growth, chlorophyll concentrations, and net photosynthesis, along with disruptions in nutrient uptake, transport, and distribution. However, pretreatment with 100 μM dopamine markedly alleviated such inhibitions. Supplementation with that compound enabled plants to maintain their photosynthetic capacity and development of the root system while promoting the uptake of N, P, K, Ca, Mg, Fe, Mn, Cu, Zn, and B, altering the way in which those nutrients were partitioned throughout the plant. The addition of dopamine up-regulated genes for antioxidant enzymes involved in the ascorbate-glutathione cycle (MdcAPX, MdcGR, MdMDHAR, MdDHAR-1, and MdDHAR-2) but down-regulated genes for senescence (SAG12, PAO, and MdHXK). These results indicate that exogenous dopamine has an important antioxidant and anti-senescence effect that might be helpful for improving nutrient uptake. Our findings demonstrate that dopamine offers new opportunities for its use in agriculture, especially when addressing the problem of nutrient deficiencies
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|a Journal Article
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|a Dopamine
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|a Ionome
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|a Malus hupehensis
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|a Nutrient deficiency
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|a Root system architecture
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|a Antioxidants
|2 NLM
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|a Minerals
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Oxidoreductases
|2 NLM
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|a EC 1.-
|2 NLM
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| 650 |
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|a Dopamine
|2 NLM
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| 650 |
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|a VTD58H1Z2X
|2 NLM
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| 700 |
1 |
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|a Li, Cuiying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Changqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Zhiwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Dong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Qi
|e verfasserin
|4 aut
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| 700 |
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|a Li, Chao
|e verfasserin
|4 aut
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| 700 |
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|a Ma, Fengwang
|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 119(2017) vom: 15. Okt., Seite 346-359
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:119
|g year:2017
|g day:15
|g month:10
|g pages:346-359
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|u http://dx.doi.org/10.1016/j.plaphy.2017.09.012
|3 Volltext
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