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241012s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.109177
|2 doi
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|a pubmed24n1593.xml
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|a (DE-627)NLM378789392
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|a (NLM)39393279
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|a (PII)S0981-9428(24)00845-3
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|a DE-627
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|a eng
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|a Zhang, Xinying
|e verfasserin
|4 aut
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|a The effect of biochar amendment on Cd accumulation in Bidens pilosa L
|b Changing Cd subcellular distribution, cell wall polysaccharide Cd-binding capacity and composition
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|c 2024
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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 07.11.2024
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|a Date Revised 07.11.2024
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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 Biochar can reduce Cd uptake by plants, thereby reducing its biotoxicity, but the mechanisms involved at the subcellular level have not been thoroughly elucidated. In this work, we explored the effect of maize straw biochar on Cd accumulation by Bidens pilosa L. and its mechanism at subcellular levels. After 90 days of potting experiment, the subcellular fractions were extracted by differential centrifugation, and the polysaccharide fractions of root cell walls were extracted by leaching centrifugation, and then the Cd content of each fraction was determined. Results showed that Cd was preferentially distributed in cell walls of three organs. Additionally, biochar addition resulted in a greater distribution of Cd from cell wall to soluble fractions and organelles in stems. These results suggested that cell wall immobilization and intracellular compartmentalization were critical detoxification mechanisms tackling Cd stress with biochar addition of Bidens pilosa L. Pectin was the main sink where Cd was stored. And galacturonic acid content in pectin occupied the highest ratio among the three polysaccharide fractions. After biochar addition, in hemicellulose the change of Cd content was consistent with the change of galacturonic acid content. These results suggested that the galacturonic acid in hemicellulose played an important role in Cd binding. Biochar addition reduced the bioavailability of soil Cd and improved the growth environment, thus inducing Bidens pilosa L. to change the composition of root cell wall in response to Cd stress
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|a Journal Article
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|a Bidens pilosa L.
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|a Biochar
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|a Cadmium
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|a Cell wall
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|a Phytoremediation
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|a Subcellular distribution
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|a Charcoal
|2 NLM
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|a 16291-96-6
|2 NLM
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|a Cadmium
|2 NLM
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| 650 |
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|a 00BH33GNGH
|2 NLM
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|a biochar
|2 NLM
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| 650 |
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|a Polysaccharides
|2 NLM
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| 650 |
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|a Soil Pollutants
|2 NLM
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| 700 |
1 |
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|a Lu, Jingxian
|e verfasserin
|4 aut
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1 |
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|a Gu, Panxue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xiaoyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Beibei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yan
|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 216(2024) vom: 25. Nov., Seite 109177
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:216
|g year:2024
|g day:25
|g month:11
|g pages:109177
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|u http://dx.doi.org/10.1016/j.plaphy.2024.109177
|3 Volltext
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