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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.05.029
|2 doi
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|a pubmed24n0950.xml
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|a (PII)S0981-9428(18)30246-8
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|a eng
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| 100 |
1 |
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|a Li, Feihong
|e verfasserin
|4 aut
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|a The effect of graphene oxide on adventitious root formation and growth in apple
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 12.02.2019
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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 © 2018 Elsevier Masson SAS. All rights reserved.
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|a Graphene, a new type of nanomaterial, has unique physical properties and important potential biological applications. However, few studies have been conducted on the environmental impact of graphene. Therefore, to explore the effect of graphene on plants, three-week-old, tissue-cultured 'Gala' apple plants (Malus domestica) were treated with different concentrations (0, 0.1, 1, 10 mg/L) of graphene oxide (GO) and examined after 40 days. Results indicated that adventitious root length, moisture content and the number of lateral roots were all inhibited by 0.1-10 mg/L GO. At 0.1 and 1 mg/L GO, however, the number of adventitious roots and the rooting rate exhibited a significant increase, relative to the control (no GO). Treatment with GO increased the activities of oxidative stress enzymes including catalase (CAT), peroxidase (POD), and superoxide dismutase (SOD) in the apple plants, relative to controls. Malondialdehyde (MDA) levels were also significantly decreased at 10 mg/L GO. Treatment of apple plantlets with 0.1 mg/L GO increased the transcript abundance of auxin efflux carrier (PIN7, ABCB1) genes and auxin influx carrier (LAX2, LAX3) genes but inhibited the transcript levels of the ARR3 gene, which involved in cytokinin biosynthesis. Additionally, the transcript levels of ARRO1, ARF19, and TTG1, which play roles in the formation of adventitious roots, lateral roots, and root hairs, respectively, were all decreased in response to treatment with 1 and 10 mg/L GO. Collectively, the results indicate that treatment of 'Gala' apple plants with 0.1 mg/L GO had a positive effect on root formation but a negative effect on root growth. This response may be related to the negative impact of GO on cellular structure and function
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|a Journal Article
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|a Adventitious root
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|a Gala
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|a Gene expression
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|a Graphene oxide
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|a Growth
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|a graphene oxide
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|a Malondialdehyde
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|a 4Y8F71G49Q
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|a Graphite
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|2 NLM
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|a Catalase
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|2 NLM
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|a Peroxidase
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|a EC 1.11.1.7
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|a Superoxide Dismutase
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|a EC 1.15.1.1
|2 NLM
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|a Sun, Chao
|e verfasserin
|4 aut
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|a Li, Xuehan
|e verfasserin
|4 aut
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|a Yu, Xinyi
|e verfasserin
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|a Luo, Chao
|e verfasserin
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|a Shen, Yanying
|e verfasserin
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|a Qu, Shenchun
|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 129(2018) vom: 15. Aug., Seite 122-129
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:129
|g year:2018
|g day:15
|g month:08
|g pages:122-129
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|u http://dx.doi.org/10.1016/j.plaphy.2018.05.029
|3 Volltext
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