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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108220
|2 doi
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|a pubmed24n1293.xml
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|a (DE-627)NLM365305782
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|a (NLM)38039583
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|a (PII)S0981-9428(23)00731-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Jia, Hui
|e verfasserin
|4 aut
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| 245 |
1 |
4 |
|a The impacts of exogenous phosphorus on Cd absorption in perennial ryegrass root cell
|b Kinetic and mechanism study
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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 14.02.2024
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|a Date Revised 14.02.2024
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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 Phosphorus (P) is critical to plants in metal-contaminated soils because it participates in various biochemical reactions during plant growth. However, the mechanisms of P in mitigating the toxicity of heavy metals to ryegrass root is still veiled. In this study, the physiological and biochemical dynamics of the ryegrass root under various cadmium (Cd) and P conditions were investigated in a hydroponic system. Cd stress decreased the length of the ryegrass root, but P application enhanced the root elongation to reduce the Cd concentration in the root. Both Cd and P dosages were positively correlated with hemicellulose 1 content, pectin content, and PME activity, while having a negative effect on cellulose content. Moreover, the addition of 80 mg L-1 P increased the contents of pectin and hemicellulose 1 by 2.5 and 5.8% even with 4 mg L-1 Cd. In addition, P supply increased pectin methylesterbase activity under Cd stress, which further changed the extra-cytoplasmic structures and cell wall composition. Thus, exogenous P promoted the immobilization of Cd onto the cell wall and protected protoplast primarily through indirectly regulating the binding capacity of the root cell wall for Cd
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|a Journal Article
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|a Cadmium contamination
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| 650 |
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4 |
|a Phosphorous
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4 |
|a Plant root growth
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| 650 |
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4 |
|a Polysaccharide
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| 650 |
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4 |
|a Root cell wall
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| 650 |
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|a Cadmium
|2 NLM
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| 650 |
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7 |
|a 00BH33GNGH
|2 NLM
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| 650 |
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|a Pectins
|2 NLM
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| 650 |
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|a 89NA02M4RX
|2 NLM
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| 650 |
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7 |
|a Soil Pollutants
|2 NLM
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| 700 |
1 |
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|a Lei, Yuze
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pan, Shizhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Zhengtao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Lingyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hou, Deyi
|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 206(2024) vom: 01. Jan., Seite 108220
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:206
|g year:2024
|g day:01
|g month:01
|g pages:108220
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108220
|3 Volltext
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