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240218s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108427
|2 doi
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|a pubmed24n1334.xml
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|a (DE-627)NLM368574563
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|a (NLM)38367389
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|a (PII)S0981-9428(24)00095-0
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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 |
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|a Li, Qi
|e verfasserin
|4 aut
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|a Effect of luminescent materials on the biochemistry, ultrastructure, and rhizobial microbiota of Spirodela polyrhiza
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|c 2024
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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 18.03.2024
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|a Date Revised 18.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a Fluorescent materials and technologies have become widely used in scientific research, and due to the ability to convert light wavelengths, their application to photosynthetic organisms can affect their development by altering light quality. However, the impacts of fluorescent materials on aquatic plants and their environmental risks remain unclear. To assess the effects of luminescent materials on floating aquatic macrophytes and their rhizosphere microorganisms, 4-(di-p-tolylamino)benzaldehyde-A (DTB-A) and 4-(di-p-tolylamino)benzaldehyde-M (DTB-M) (emitting blue-green and orange-red light, respectively) were added individually and jointly to Spirodela polyrhiza cultures and set at different concentrations (1, 10, and 100 μM). Both DTB-A and DTB-M exhibited phytotoxicity, which increased with concentration under separate treatment. Moreover, the combined group exhibited obvious stress relief at 10 μM compared to the individually treated group. Fluorescence imaging showed that DTB-A and DTB-M were able to enter the cell matrix and organelles of plant leaves and roots. Peroxidation induced cellular damage, contributing to a decrease in superoxide dismutase (SOD) and peroxidase (POD) activities and malondialdehyde (MDA) accumulation. Decomposition of organelle structures, starch accumulation in chloroplasts, and plasmolysis were observed under the ultrastructure, disrupting photosynthetic pigment content and photosynthesis. DTB-A and DTB-M exposure resulted in growth inhibition, dry weight loss, and leaf yellowing in S. polyrhiza. A total of 3519 Operational Taxonomic Units (OTUs) were identified in the rhizosphere microbiome. The microbial communities were dominated by Alphaproteobacteria, Oxyphotobacteria, and Gammaproteobacteria, with the abundance and diversity varied significantly among treatment groups according to Shannon, Simpson, and Chao1 indices. This study revealed the stress defense response of S. polyrhiza to DTB-A and DTB-M exposures, which provides a broader perspective for the bioremediation of pollutants using aquatic plants and supports the further development of fluorescent materials for applications
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|a Journal Article
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|a Duckweed
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|a Fluorescence imaging
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|a Luminescence
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|a Rhizosphere microorganisms
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|a Toxicity assay
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|a Benzaldehydes
|2 NLM
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|a Antioxidants
|2 NLM
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| 700 |
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|a Lan, Yiyang
|e verfasserin
|4 aut
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|a Yang, Yixia
|e verfasserin
|4 aut
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|a Kang, Shiyun
|e verfasserin
|4 aut
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1 |
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|a Wang, Xin
|e verfasserin
|4 aut
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1 |
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|a Jiang, Jiarui
|e verfasserin
|4 aut
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|a Liu, Shengyue
|e verfasserin
|4 aut
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|a Wang, Qianchao
|e verfasserin
|4 aut
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|a Zhang, Weizhen
|e verfasserin
|4 aut
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|a Zhang, Liping
|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 207(2024) vom: 01. Feb., Seite 108427
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:207
|g year:2024
|g day:01
|g month:02
|g pages:108427
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108427
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