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20240412233100.0 |
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240323s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108531
|2 doi
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|a pubmed24n1373.xml
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|a (DE-627)NLM37003094X
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|a (NLM)38513516
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|a (PII)S0981-9428(24)00199-2
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhang, Leilei
|e verfasserin
|4 aut
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| 245 |
1 |
4 |
|a The dosage- and size-dependent effects of micro- and nanoplastics in lettuce roots and leaves at the growth, photosynthetic, and metabolomics levels
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 01.04.2024
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|a Date Revised 12.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved.
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|a The occurrence of microplastics (MPs) and nanoplastics (NPs) in soils potentially induce morphological, physiological, and biochemical alterations in plants. The present study investigated the effects of MPs/NPs on lettuce (Lactuca sativa L. var. capitata) plants by focusing on (i) four different particle sizes of polyethylene micro- and nanoplastics, at (ii) four concentrations. Photosynthetic activity, morphological changes in plants, and metabolomic shifts in roots and leaves were investigated. Our findings revealed that particle size plays a pivotal role in influencing various growth traits of lettuce (biomass, color segmentation, greening index, leaf area, and photosynthetic activity), physiological parameters (including maximum quantum yield - Fv/Fmmax, or quantum yield in the steady-state Fv/FmLss, NPQLss, RfdLss, FtLss, FqLss), and metabolomic signatures. Smaller plastic sizes demonstrated a dose-dependent impact on aboveground plant structures, resulting in an overall elicitation of biosynthetic processes. Conversely, larger plastic size had a major impact on root metabolomics, leading to a negative modulation of biosynthetic processes. Specifically, the biosynthesis of secondary metabolites, phytohormone crosstalk, and the metabolism of lipids and fatty acids were among the most affected processes. In addition, nitrogen-containing compounds accumulated following plastic treatments. Our results highlighted a tight correlation between the qPCR analysis of genes associated with the soil nitrogen cycle (such as NifH, NirK, and NosZ), available nitrogen pools in soil (including NO3- and NH4), N-containing metabolites and morpho-physiological parameters of lettuce plants subjected to MPs/NPs. These findings underscore the intricate relationship between specific plastic contaminations, nitrogen dynamics, and plant performance
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|a Journal Article
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|a Environmental contaminants
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|a Nitrogen cycle
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|a Phytohormones
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| 650 |
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|a Plant phenotyping
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| 650 |
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4 |
|a Plant stress
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| 650 |
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4 |
|a Secondary metabolism
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| 650 |
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|a Microplastics
|2 NLM
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| 650 |
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 650 |
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7 |
|a Soil
|2 NLM
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| 700 |
1 |
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|a Vaccari, Filippo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ardenti, Federico
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fiorini, Andrea
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tabaglio, Vincenzo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Puglisi, Edoardo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Trevisan, Marco
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lucini, Luigi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 208(2024) vom: 15. März, Seite 108531
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:208
|g year:2024
|g day:15
|g month:03
|g pages:108531
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108531
|3 Volltext
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|d 208
|j 2024
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|h 108531
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