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|a 10.1093/jxb/erae074
|2 doi
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|a pubmed24n1483.xml
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|a eng
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|a Fang, Xian Zhi
|e verfasserin
|4 aut
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| 245 |
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|a Excessive iron deposition in root apoplast is involved in growth arrest of roots in response to low pH
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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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|a Date Completed 20.05.2024
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|a Date Revised 27.07.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.
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|a The rhizotoxicity of protons (H+) in acidic soils is a fundamental constraint that results in serious yield losses. However, the mechanisms underlying H+-mediated inhibition of root growth are poorly understood. In this study, we revealed that H+-induced root growth inhibition in Arabidopsis depends considerably on excessive iron deposition in the root apoplast. Reducing such aberrant iron deposition by decreasing the iron supply or disrupting the ferroxidases LOW PHOSPHATE ROOT 1 (LPR) and LPR2 attenuates the inhibitory effect of H+ on primary root growth efficiently. Further analysis showed that excessive iron deposition triggers a burst of highly reactive oxygen species, consequently impairing normal root development. Our study uncovered a valuable strategy for improving the ability of plants to tolerate H+ toxicity by manipulating iron availability
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|a Journal Article
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|a Apoplastic iron
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| 650 |
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|a H+ stress
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| 650 |
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|a LPR1
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|a LPR2
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|a ferroxidases
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| 650 |
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4 |
|a root growth
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1 |
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|a Xu, Xiao Lan
|e verfasserin
|4 aut
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1 |
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|a Ye, Zheng Qian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Dan
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Ke Li
|e verfasserin
|4 aut
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| 700 |
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|a Li, Dong Ming
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Xing Xing
|e verfasserin
|4 aut
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| 700 |
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|a Jin, Chong Wei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 75(2024), 10 vom: 20. Mai, Seite 3188-3200
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:75
|g year:2024
|g number:10
|g day:20
|g month:05
|g pages:3188-3200
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|u http://dx.doi.org/10.1093/jxb/erae074
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