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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108096
|2 doi
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|a pubmed24n1211.xml
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|a (DE-627)NLM363572546
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|a (NLM)37864929
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|a (PII)S0981-9428(23)00607-1
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|a DE-627
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|a eng
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|a Wang, Dan
|e verfasserin
|4 aut
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|a Phytotoxicity of nitrobenzene bioaccumulation in rice seedlings
|b Nitrobenzene inhibits growth, induces oxidative stress, and reduces photosynthetic pigment synthesis
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|c 2023
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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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|2 rdacarrier
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|a Date Completed 14.11.2023
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|a Date Revised 14.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a Nitrobenzene (NB) has been used in numerous industrial and agricultural fields as an organic compound intermediate. NB has mutagenicity and acute toxicity, and is typically a toxic pollutant in industrial wastewater worldwide. To evaluate its phytotoxicity, we treated rice (Oryza sativa) with different concentrations of NB (0, 5, 25, 50, 75, and 100 mg L-1). NB inhibited growth indices of rice (shoot and root length, fresh shoot and root weight, and dry shoot and root weight) as NB treatment concentrations increased. High concentrations (>25 mg L-1) of NB significantly inhibited rice root and shoot growth; root growth was more susceptible to NB. NB treatment could damage the structure and reduce the activity of rice seedling roots. The result of high performance liquid chromatography (HPLC) indicated that the bioaccumulation of NB in rice seedlings had a dose-dependent effect on the growth inhibition. NB reduced the photosynthetic pigment content and the expression levels of chlorophyll synthesis genes. NB treatment increased active oxygen radicals, electrical conductivity, malondialdehyde (MDA), proline, and soluble sugar contents. The expressions of antioxidant enzyme genes were induced by NB stress, and exhibited a phenomenon of initial increase followed by decrease. When the NB concentration was higher than 50 mg L-1, the gene expression levels decreased rapidly. This study provides insight into the association between exposure to NB and its phytotoxic effects on rice seedlings, and assesses the potential risk of NB bioaccumulation for crops that require a large amount of irrigation water
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|a Journal Article
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|a Gene expression
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|a Nitrobenzene
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|a Oxidative stress
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|a Photosynthetic pigment
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|a Rice
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|a Antioxidants
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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|a Nitrobenzenes
|2 NLM
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| 700 |
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|a Zhang, Wenrui
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Runqiang
|e verfasserin
|4 aut
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| 700 |
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|a Tao, Nan
|e verfasserin
|4 aut
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| 700 |
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|a Si, Liang
|e verfasserin
|4 aut
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| 700 |
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|a Guo, Changhong
|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 204(2023) vom: 19. Nov., Seite 108096
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:204
|g year:2023
|g day:19
|g month:11
|g pages:108096
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108096
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